./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/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_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/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_362b401a-4ff4-49e3-8daf-78ad4ee10fea/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 06592c51df9ad6320061ea18b4dabc8bbef9afafc67b1591cc16d5a9b42087a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:31:08,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:31:09,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:31:09,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:31:09,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:31:09,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:31:09,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:31:09,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:31:09,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:31:09,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:31:09,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:31:09,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:31:09,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:31:09,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:31:09,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:31:09,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:31:09,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:31:09,203 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:31:09,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:31:09,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:31:09,204 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:31:09,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:31:09,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:31:09,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:31:09,205 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:31:09,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:31:09,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:09,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:31:09,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:31:09,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:31:09,206 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:31:09,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:31:09,207 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_362b401a-4ff4-49e3-8daf-78ad4ee10fea/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 -> 06592c51df9ad6320061ea18b4dabc8bbef9afafc67b1591cc16d5a9b42087a0 [2024-11-25 04:31:09,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:31:09,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:31:09,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:31:09,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:31:09,746 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:31:09,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_03_bad.i [2024-11-25 04:31:14,639 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data/ad6d9ea8b/720ead68e72c4337b9ba9ab36e4c3d99/FLAG9a28e97f0 [2024-11-25 04:31:15,215 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:31:15,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_03_bad.i [2024-11-25 04:31:15,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data/ad6d9ea8b/720ead68e72c4337b9ba9ab36e4c3d99/FLAG9a28e97f0 [2024-11-25 04:31:15,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data/ad6d9ea8b/720ead68e72c4337b9ba9ab36e4c3d99 [2024-11-25 04:31:15,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:31:15,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:31:15,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:15,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:31:15,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:31:15,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:15" (1/1) ... [2024-11-25 04:31:15,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a32f885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:15, skipping insertion in model container [2024-11-25 04:31:15,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:15" (1/1) ... [2024-11-25 04:31:15,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:31:17,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:17,927 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:31:18,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:18,476 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:31:18,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18 WrapperNode [2024-11-25 04:31:18,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:18,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:18,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:31:18,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:31:18,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,553 INFO L138 Inliner]: procedures = 936, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-25 04:31:18,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:18,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:31:18,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:31:18,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:31:18,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,572 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:31:18,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:31:18,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:31:18,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:31:18,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:18" (1/1) ... [2024-11-25 04:31:18,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:18,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:31:18,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:31:18,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:31:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:31:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:31:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:31:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:31:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:31:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:31:18,839 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:31:18,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:31:18,974 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 04:31:18,974 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:31:19,006 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:31:19,007 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:31:19,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:19 BoogieIcfgContainer [2024-11-25 04:31:19,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:31:19,008 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:31:19,008 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:31:19,018 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:31:19,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:19" (1/1) ... [2024-11-25 04:31:19,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:31:19,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 04:31:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 04:31:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:31:19,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:19,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:19,257 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 04:31:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:19,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-25 04:31:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-25 04:31:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:31:19,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:19,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:31:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:19,402 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:31:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:19,471 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:31:19,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:31:19 ImpRootNode [2024-11-25 04:31:19,498 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:31:19,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:31:19,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:31:19,499 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:31:19,499 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:19" (3/4) ... [2024-11-25 04:31:19,502 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:31:19,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:31:19,504 INFO L158 Benchmark]: Toolchain (without parser) took 3755.71ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 79.3MB in the end (delta: 9.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-25 04:31:19,504 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:19,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2728.11ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 74.6MB in the end (delta: 13.7MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-25 04:31:19,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.70ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 70.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:19,505 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.9MB in the end (delta: 771.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:19,505 INFO L158 Benchmark]: RCFGBuilder took 425.04ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 55.4MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:31:19,506 INFO L158 Benchmark]: CodeCheck took 490.02ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 79.4MB in the end (delta: -23.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-25 04:31:19,506 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:19,509 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1853]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1842, overapproximation of fgets at line 1840. 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); [L1861] 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) [L1861] 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] [L1862] CALL CWE190_Integer_Overflow__int_fgets_square_03_bad() [L1834] int data; [L1835] 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] [L1839] 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] [L1840] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1842] data = atoi(inputBuffer) [L1853] data * 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 0.55ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2728.11ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 74.6MB in the end (delta: 13.7MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.70ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 70.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.9MB in the end (delta: 771.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.04ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 55.4MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 490.02ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 79.4MB in the end (delta: -23.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 11.8kB). 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 04:31:19,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/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_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/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_362b401a-4ff4-49e3-8daf-78ad4ee10fea/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 06592c51df9ad6320061ea18b4dabc8bbef9afafc67b1591cc16d5a9b42087a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:31:22,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:31:22,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:31:22,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:31:22,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:31:22,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:31:22,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:31:22,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:31:22,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:31:22,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:31:22,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:31:22,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:31:22,181 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:31:22,181 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:31:22,181 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:31:22,181 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:22,181 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:31:22,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:31:22,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:22,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:31:22,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:31:22,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:31:22,184 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:31:22,184 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:22,184 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:31:22,184 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_362b401a-4ff4-49e3-8daf-78ad4ee10fea/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 -> 06592c51df9ad6320061ea18b4dabc8bbef9afafc67b1591cc16d5a9b42087a0 [2024-11-25 04:31:22,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:31:22,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:31:22,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:31:22,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:31:22,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:31:22,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_03_bad.i [2024-11-25 04:31:25,368 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data/d01e89d8d/1f4302310bb74f748a06e6188246e7af/FLAG65768cae2 [2024-11-25 04:31:25,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:31:25,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_03_bad.i [2024-11-25 04:31:25,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data/d01e89d8d/1f4302310bb74f748a06e6188246e7af/FLAG65768cae2 [2024-11-25 04:31:25,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/data/d01e89d8d/1f4302310bb74f748a06e6188246e7af [2024-11-25 04:31:25,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:31:25,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:31:25,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:25,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:31:25,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:31:25,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:25" (1/1) ... [2024-11-25 04:31:25,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d49e9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:25, skipping insertion in model container [2024-11-25 04:31:25,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:25" (1/1) ... [2024-11-25 04:31:25,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:31:27,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:27,566 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:31:27,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:28,178 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:31:28,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28 WrapperNode [2024-11-25 04:31:28,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:28,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:28,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:31:28,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:31:28,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,243 INFO L138 Inliner]: procedures = 941, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-25 04:31:28,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:28,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:31:28,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:31:28,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:31:28,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:31:28,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:31:28,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:31:28,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:31:28,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:28" (1/1) ... [2024-11-25 04:31:28,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:28,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:31:28,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:31:28,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:31:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:31:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:31:28,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:31:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:31:28,341 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:31:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:31:28,488 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:31:28,490 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:31:31,119 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 04:31:31,119 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:31:31,207 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:31:31,208 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:31:31,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:31 BoogieIcfgContainer [2024-11-25 04:31:31,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:31:31,210 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:31:31,210 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:31:31,224 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:31:31,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:31" (1/1) ... [2024-11-25 04:31:31,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:31:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 04:31:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 04:31:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:31:31,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:31,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:31,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:31,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:31,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:31:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:31,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:31,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:31:31,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:31,611 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 04:31:31,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:31:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-25 04:31:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-25 04:31:31,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:31:31,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:31,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:31,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:31,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:31,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362b401a-4ff4-49e3-8daf-78ad4ee10fea/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process