./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_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_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/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_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/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_05630e73-c193-4305-98b7-fba645a8430c/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 9714151ba458e9137d8fc02a6bfb7ca4fc5e33e4031f29c46780e222f60d6f78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:10:05,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:10:05,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:10:05,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:10:05,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:10:05,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:10:05,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:10:05,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:10:05,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:10:05,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:10:05,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:10:05,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:10:05,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:10:05,720 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:10:05,720 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:10:05,720 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:10:05,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:10:05,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:10:05,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:10:05,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:10:05,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:10:05,721 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:10:05,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:10:05,722 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_05630e73-c193-4305-98b7-fba645a8430c/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 -> 9714151ba458e9137d8fc02a6bfb7ca4fc5e33e4031f29c46780e222f60d6f78 [2024-11-25 05:10:06,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:10:06,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:10:06,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:10:06,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:10:06,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:10:06,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_bad.i [2024-11-25 05:10:09,172 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data/c6b37c92c/e68859bb32d540049c2bc68a5987ee40/FLAGd8e48deef [2024-11-25 05:10:09,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:10:09,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_bad.i [2024-11-25 05:10:09,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data/c6b37c92c/e68859bb32d540049c2bc68a5987ee40/FLAGd8e48deef [2024-11-25 05:10:09,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data/c6b37c92c/e68859bb32d540049c2bc68a5987ee40 [2024-11-25 05:10:09,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:10:09,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:10:09,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:10:09,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:10:09,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:10:09,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:09" (1/1) ... [2024-11-25 05:10:09,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9f3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:09, skipping insertion in model container [2024-11-25 05:10:09,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:09" (1/1) ... [2024-11-25 05:10:09,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:10:10,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:10:10,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:10:10,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:10:11,016 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:10:11,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11 WrapperNode [2024-11-25 05:10:11,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:10:11,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:10:11,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:10:11,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:10:11,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,061 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-25 05:10:11,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:10:11,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:10:11,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:10:11,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:10:11,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,077 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:10:11,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:10:11,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:10:11,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:10:11,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:10:11,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:10:11,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:10:11,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:10:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:10:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:10:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:10:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:10:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:10:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:10:11,311 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:10:11,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:10:11,448 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 05:10:11,448 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:10:11,490 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:10:11,490 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:10:11,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:11 BoogieIcfgContainer [2024-11-25 05:10:11,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:10:11,491 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:10:11,491 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:10:11,503 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:10:11,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:11" (1/1) ... [2024-11-25 05:10:11,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:10:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:11,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-25 05:10:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-25 05:10:11,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:10:11,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:11,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:11,804 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 05:10:11,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:11,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-25 05:10:11,861 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-25 05:10:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:10:11,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:11,978 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 05:10:12,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:12,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2024-11-25 05:10:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-11-25 05:10:12,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:10:12,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:12,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:12,118 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 05:10:12,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-11-25 05:10:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-25 05:10:12,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:10:12,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:12,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:10:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2024-11-25 05:10:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2024-11-25 05:10:12,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:10:12,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:12,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:10:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:12,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-11-25 05:10:12,632 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-25 05:10:12,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:10:12,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:12,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:12,656 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:10:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:12,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:10:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:12,779 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-25 05:10:12,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:10:12 ImpRootNode [2024-11-25 05:10:12,818 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:10:12,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:10:12,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:10:12,819 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:10:12,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:11" (3/4) ... [2024-11-25 05:10:12,822 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:10:12,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:10:12,827 INFO L158 Benchmark]: Toolchain (without parser) took 3112.20ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 90.7MB in the end (delta: 24.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-11-25 05:10:12,827 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:12,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1304.29ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 107.4MB in the end (delta: 7.7MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 05:10:12,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.15ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 105.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:12,828 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.0MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:10:12,828 INFO L158 Benchmark]: RCFGBuilder took 404.48ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 88.4MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:10:12,828 INFO L158 Benchmark]: CodeCheck took 1327.31ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 91.6MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:12,829 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 90.7MB in the end (delta: 908.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:12,833 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, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 101 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 77 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 392 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3/3 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 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); [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_add_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 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, i=0] [L1553] COND TRUE i < 1 [L1556] 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, i=0] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1567] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1567] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1570] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * 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 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1304.29ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 107.4MB in the end (delta: 7.7MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.15ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 105.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.0MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 404.48ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 88.4MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1327.31ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 91.6MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 90.7MB in the end (delta: 908.8kB). 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 05:10:12,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/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_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/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_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/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_05630e73-c193-4305-98b7-fba645a8430c/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 9714151ba458e9137d8fc02a6bfb7ca4fc5e33e4031f29c46780e222f60d6f78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:10:15,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:10:15,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 05:10:15,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:10:15,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:10:15,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:10:15,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:10:15,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:10:15,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:10:15,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:10:15,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:10:15,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:10:15,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:10:15,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:10:15,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:10:15,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:10:15,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:10:15,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:10:15,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:10:15,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:10:15,738 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:10:15,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:10:15,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:10:15,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:10:15,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:10:15,739 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:15,739 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:10:15,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:10:15,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:10:15,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:10:15,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:10:15,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:10:15,746 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:10:15,746 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:15,746 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:10:15,746 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_05630e73-c193-4305-98b7-fba645a8430c/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 -> 9714151ba458e9137d8fc02a6bfb7ca4fc5e33e4031f29c46780e222f60d6f78 [2024-11-25 05:10:16,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:10:16,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:10:16,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:10:16,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:10:16,113 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:10:16,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_bad.i [2024-11-25 05:10:19,129 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data/8043a034a/239d401a73724007bd89a51175f91a8f/FLAG5dcbef88b [2024-11-25 05:10:19,629 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:10:19,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_bad.i [2024-11-25 05:10:19,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data/8043a034a/239d401a73724007bd89a51175f91a8f/FLAG5dcbef88b [2024-11-25 05:10:19,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/data/8043a034a/239d401a73724007bd89a51175f91a8f [2024-11-25 05:10:19,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:10:19,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:10:19,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:10:19,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:10:19,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:10:19,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:19" (1/1) ... [2024-11-25 05:10:19,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9808fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:19, skipping insertion in model container [2024-11-25 05:10:19,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:19" (1/1) ... [2024-11-25 05:10:19,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:10:20,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:10:20,790 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:10:20,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:10:21,084 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:10:21,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21 WrapperNode [2024-11-25 05:10:21,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:10:21,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:10:21,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:10:21,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:10:21,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,160 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-11-25 05:10:21,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:10:21,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:10:21,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:10:21,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:10:21,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,185 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:10:21,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:10:21,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:10:21,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:10:21,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:10:21,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:10:21,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:10:21,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:10:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:10:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:10:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:10:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:10:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:10:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:10:21,424 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:10:21,425 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:10:21,652 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-25 05:10:21,652 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:10:21,719 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:10:21,720 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:10:21,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:21 BoogieIcfgContainer [2024-11-25 05:10:21,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:10:21,722 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:10:21,722 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:10:21,733 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:10:21,734 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:21" (1/1) ... [2024-11-25 05:10:21,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:10:21,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-25 05:10:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-25 05:10:21,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:10:21,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:21,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:21,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:21,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:21,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:10:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:21,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:22,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 05:10:22,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:10:22,055 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 05:10:22,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:10:22,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-25 05:10:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-25 05:10:22,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:10:22,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:22,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:22,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:22,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:22,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:10:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:22,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:22,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:10:22,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:10:22,309 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 05:10:22,311 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:10:22,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 05:10:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-25 05:10:22,373 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-25 05:10:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:10:22,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:22,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:22,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:22,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:22,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:10:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:22,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:22,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 05:10:22,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:10:22,533 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 05:10:22,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:10:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-25 05:10:22,551 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-25 05:10:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:10:22,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:22,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:22,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:22,554 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:22,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:10:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:22,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:22,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 05:10:22,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:10:22,708 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 05:10:22,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 05:10:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-25 05:10:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-25 05:10:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:10:22,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:22,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:22,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:22,727 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:22,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:10:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:22,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:22,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:10:22,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:10:22,933 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 05:10:22,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 05:10:23,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-25 05:10:23,095 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-25 05:10:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:10:23,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:23,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:23,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:23,099 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:23,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:10:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:23,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:23,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:10:23,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:10:23,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:10:23,272 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:10:23,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 05:10:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-25 05:10:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-25 05:10:23,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:10:23,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:23,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:23,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:23,308 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:23,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 05:10:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:23,457 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:10:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:23,605 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:10:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:23,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 05:10:23,651 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-11-25 05:10:23,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:10:23 ImpRootNode [2024-11-25 05:10:23,700 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:10:23,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:10:23,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:10:23,701 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:10:23,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:21" (3/4) ... [2024-11-25 05:10:23,705 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:10:23,707 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:10:23,708 INFO L158 Benchmark]: Toolchain (without parser) took 4003.94ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 89.3MB in the beginning and 158.2MB in the end (delta: -69.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 05:10:23,710 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 84.3MB in the end (delta: 928B). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:23,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1378.46ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 67.0MB in the end (delta: 22.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 05:10:23,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.11ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 64.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:23,711 INFO L158 Benchmark]: Boogie Preprocessor took 35.05ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 62.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:23,712 INFO L158 Benchmark]: RCFGBuilder took 524.67ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 44.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:10:23,712 INFO L158 Benchmark]: CodeCheck took 1977.87ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 44.9MB in the beginning and 158.3MB in the end (delta: -113.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-25 05:10:23,714 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 243.3MB. Free memory was 158.3MB in the beginning and 158.2MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:23,717 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, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 247 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 145 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160 IncrementalHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 105 mSDtfsCounter, 160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 0 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 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 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); [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_add_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 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, i=0] [L1553] COND TRUE i < 1 [L1556] 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, i=0] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1567] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1567] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1570] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 84.3MB in the end (delta: 928B). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1378.46ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 67.0MB in the end (delta: 22.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.11ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 64.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.05ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 62.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 524.67ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 44.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1977.87ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 44.9MB in the beginning and 158.3MB in the end (delta: -113.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 243.3MB. Free memory was 158.3MB in the beginning and 158.2MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:10:23,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05630e73-c193-4305-98b7-fba645a8430c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample