./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_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_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b --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 ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:33:35,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:33:35,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:33:35,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:33:35,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:33:35,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:33:35,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:33:35,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:33:35,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:33:35,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:33:35,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:33:35,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:33:35,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:33:35,588 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:33:35,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:33:35,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:33:35,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:33:35,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:33:35,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:33:35,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:33:35,589 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:33:35,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:33:35,589 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_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b 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 -> ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 [2024-12-06 05:33:35,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:33:35,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:33:35,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:33:35,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:33:35,842 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:33:35,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2024-12-06 05:33:38,441 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data/e7f2f7d46/f3513f2ffe22440dbfa0c4e417035a31/FLAGe56850a76 [2024-12-06 05:33:38,741 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:33:38,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2024-12-06 05:33:38,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data/e7f2f7d46/f3513f2ffe22440dbfa0c4e417035a31/FLAGe56850a76 [2024-12-06 05:33:39,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data/e7f2f7d46/f3513f2ffe22440dbfa0c4e417035a31 [2024-12-06 05:33:39,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:33:39,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:33:39,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:33:39,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:33:39,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:33:39,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ad17c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39, skipping insertion in model container [2024-12-06 05:33:39,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:33:39,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:33:39,725 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:33:39,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:33:39,903 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:33:39,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39 WrapperNode [2024-12-06 05:33:39,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:33:39,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:33:39,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:33:39,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:33:39,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,945 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2024-12-06 05:33:39,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:33:39,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:33:39,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:33:39,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:33:39,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,958 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:33:39,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:33:39,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:33:39,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:33:39,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:39" (1/1) ... [2024-12-06 05:33:39,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:33:39,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:33:39,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:33:39,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:33:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-06 05:33:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-06 05:33:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-12-06 05:33:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-12-06 05:33:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:33:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:33:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:33:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:33:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:33:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:33:40,114 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:33:40,116 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:33:40,234 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 05:33:40,234 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:33:40,264 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:33:40,264 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:33:40,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:40 BoogieIcfgContainer [2024-12-06 05:33:40,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:33:40,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:33:40,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:33:40,275 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:33:40,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:40" (1/1) ... [2024-12-06 05:33:40,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:33:40,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-12-06 05:33:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-12-06 05:33:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:33:40,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:40,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:33:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-12-06 05:33:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-12-06 05:33:40,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:33:40,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:40,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:33:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2024-12-06 05:33:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-12-06 05:33:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:33:40,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:40,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:33:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:40,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 54 transitions. [2024-12-06 05:33:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2024-12-06 05:33:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:33:40,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:40,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:33:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2024-12-06 05:33:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2024-12-06 05:33:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:33:41,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:41,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:33:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2024-12-06 05:33:41,125 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2024-12-06 05:33:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:33:41,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:41,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:33:41,148 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:33:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:33:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:33:41,217 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:33:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:33:41,248 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-06 05:33:41,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:33:41 ImpRootNode [2024-12-06 05:33:41,275 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:33:41,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:33:41,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:33:41,275 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:33:41,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:40" (3/4) ... [2024-12-06 05:33:41,278 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:33:41,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:33:41,280 INFO L158 Benchmark]: Toolchain (without parser) took 2257.97ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 64.5MB in the end (delta: 50.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-12-06 05:33:41,280 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:41,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 880.92ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 55.0MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 05:33:41,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.38ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.4MB in the end (delta: -58.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-12-06 05:33:41,281 INFO L158 Benchmark]: Boogie Preprocessor took 16.62ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:41,282 INFO L158 Benchmark]: RCFGBuilder took 301.07ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 96.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:33:41,282 INFO L158 Benchmark]: CodeCheck took 1009.51ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 64.5MB in the end (delta: 32.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-12-06 05:33:41,283 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:41,285 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 4 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 214 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 128 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 596 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 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: 1573]: 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); [L1595] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={4:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1595] 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] [L1596] CALL CWE190_Integer_Overflow__int_fgets_postinc_12_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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() 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] [L1552] COND TRUE globalReturnsTrueOrFalse() [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) [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() 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] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 880.92ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 55.0MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.38ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.4MB in the end (delta: -58.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.62ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.07ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 96.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1009.51ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 64.5MB in the end (delta: 32.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:33:41,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/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_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b --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 ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:33:43,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:33:43,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:33:43,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:33:43,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:33:43,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:33:43,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:33:43,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:33:43,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:33:43,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:33:43,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:33:43,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:33:43,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:33:43,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:33:43,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:33:43,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:33:43,298 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:33:43,298 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:33:43,298 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:33:43,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:33:43,299 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:33:43,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:33:43,299 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:33:43,299 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:33:43,299 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:33:43,299 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:33:43,299 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:33:43,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:33:43,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:33:43,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:33:43,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:33:43,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:33:43,300 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:33:43,300 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:33:43,300 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:33:43,300 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_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b 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 -> ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 [2024-12-06 05:33:43,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:33:43,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:33:43,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:33:43,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:33:43,530 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:33:43,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2024-12-06 05:33:46,148 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data/7e2f3c387/0d60c7ccbfcd40acaae2ea0cbcf1b365/FLAG22fed62ba [2024-12-06 05:33:46,488 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:33:46,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2024-12-06 05:33:46,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data/7e2f3c387/0d60c7ccbfcd40acaae2ea0cbcf1b365/FLAG22fed62ba [2024-12-06 05:33:46,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/data/7e2f3c387/0d60c7ccbfcd40acaae2ea0cbcf1b365 [2024-12-06 05:33:46,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:33:46,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:33:46,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:33:46,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:33:46,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:33:46,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:33:46" (1/1) ... [2024-12-06 05:33:46,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6114a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:46, skipping insertion in model container [2024-12-06 05:33:46,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:33:46" (1/1) ... [2024-12-06 05:33:46,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:33:47,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:33:47,357 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:33:47,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:33:47,552 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:33:47,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47 WrapperNode [2024-12-06 05:33:47,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:33:47,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:33:47,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:33:47,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:33:47,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,593 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-12-06 05:33:47,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:33:47,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:33:47,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:33:47,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:33:47,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,610 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:33:47,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:33:47,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:33:47,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:33:47,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:33:47,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:33:47,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:33:47,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:33:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-06 05:33:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-06 05:33:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-12-06 05:33:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-12-06 05:33:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:33:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:33:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:33:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:33:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:33:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:33:47,774 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:33:47,776 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:33:47,911 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 05:33:47,911 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:33:47,941 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:33:47,941 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:33:47,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:47 BoogieIcfgContainer [2024-12-06 05:33:47,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:33:47,942 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:33:47,942 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:33:47,949 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:33:47,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:47" (1/1) ... [2024-12-06 05:33:47,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:33:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-12-06 05:33:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-12-06 05:33:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:33:47,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:47,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:33:47,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:33:47,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:33:47,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:33:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:48,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:33:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:48,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:33:48,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:33:48,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:33:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2024-12-06 05:33:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2024-12-06 05:33:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:33:48,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:48,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:33:48,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:33:48,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:33:48,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:33:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:48,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:33:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:48,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:33:48,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:33:48,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 05:33:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:48,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2024-12-06 05:33:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-12-06 05:33:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:33:48,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:48,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:33:48,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:33:48,423 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:33:48,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:33:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:48,506 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:33:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:48,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:33:48,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:48,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:33:48,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:33:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-12-06 05:33:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-12-06 05:33:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:33:48,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:48,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:33:48,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:33:48,542 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:33:48,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:33:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:48,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:33:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:48,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:33:48,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:33:48,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:33:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2024-12-06 05:33:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-12-06 05:33:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:33:48,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:48,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:33:48,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:33:48,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:33:48,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:33:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:33:48,869 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:33:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:33:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:33:49,001 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:33:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:33:49,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:33:49,036 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 05:33:49,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:33:49 ImpRootNode [2024-12-06 05:33:49,062 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:33:49,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:33:49,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:33:49,063 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:33:49,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:47" (3/4) ... [2024-12-06 05:33:49,065 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:33:49,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:33:49,067 INFO L158 Benchmark]: Toolchain (without parser) took 2334.33ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 66.4MB in the beginning and 110.4MB in the end (delta: -44.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-12-06 05:33:49,067 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:49,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.29ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.6MB in the end (delta: 3.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 05:33:49,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.73ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:49,068 INFO L158 Benchmark]: Boogie Preprocessor took 24.71ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:49,069 INFO L158 Benchmark]: RCFGBuilder took 322.04ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 40.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:33:49,069 INFO L158 Benchmark]: CodeCheck took 1119.74ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 40.8MB in the beginning and 110.5MB in the end (delta: -69.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:49,069 INFO L158 Benchmark]: Witness Printer took 3.68ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 110.4MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:49,071 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 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 100 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 452 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 6 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, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 208 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 1573]: 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); [L1595] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={4:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1595] 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] [L1596] CALL CWE190_Integer_Overflow__int_fgets_postinc_12_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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() 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] [L1552] COND TRUE globalReturnsTrueOrFalse() [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) [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() 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] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.29ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.6MB in the end (delta: 3.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.73ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.71ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.04ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 40.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1119.74ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 40.8MB in the beginning and 110.5MB in the end (delta: -69.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.68ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 110.4MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:33:49,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c3aa8-1707-40d1-9c7d-94a18f0da39f/bin/ukojak-verify-CZk0znPC7b/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