./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk --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 cf4a075a6c732c9d5671312c13d0b2dc4348f970607068cc69b1faf8eb643f8e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:45:56,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:45:56,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:45:56,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:45:56,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:45:56,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:45:56,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:45:56,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:45:56,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:45:56,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:45:56,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:45:56,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:45:56,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:45:56,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:45:56,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:45:56,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:45:56,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:45:56,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:45:56,401 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:45:56,401 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:45:56,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:45:56,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:45:56,406 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:45:56,406 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:45:56,406 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:45:56,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:45:56,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:45:56,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:45:56,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:45:56,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:45:56,408 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:45:56,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:45:56,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf4a075a6c732c9d5671312c13d0b2dc4348f970607068cc69b1faf8eb643f8e [2024-11-08 19:45:56,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:45:56,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:45:56,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:45:56,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:45:56,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:45:56,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i Unable to find full path for "g++" [2024-11-08 19:45:58,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:45:59,124 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:45:59,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i [2024-11-08 19:45:59,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/data/7edab6db6/c484ec35f47b4d2cba7773c264281ece/FLAGb623dad8b [2024-11-08 19:45:59,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/data/7edab6db6/c484ec35f47b4d2cba7773c264281ece [2024-11-08 19:45:59,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:45:59,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:45:59,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:45:59,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:45:59,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:45:59,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:59" (1/1) ... [2024-11-08 19:45:59,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f33e1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:59, skipping insertion in model container [2024-11-08 19:45:59,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:59" (1/1) ... [2024-11-08 19:45:59,360 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:46:01,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:01,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:46:01,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:01,938 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:46:01,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01 WrapperNode [2024-11-08 19:46:01,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:01,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:01,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:46:01,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:46:01,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:01,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,026 INFO L138 Inliner]: procedures = 936, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-11-08 19:46:02,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:02,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:46:02,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:46:02,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:46:02,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:46:02,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:46:02,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:46:02,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:46:02,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:01" (1/1) ... [2024-11-08 19:46:02,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:02,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:46:02,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:46:02,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:46:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:46:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:46:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:46:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:46:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:46:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:46:02,290 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:46:02,292 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:46:02,462 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 19:46:02,462 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:46:02,510 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:46:02,510 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:46:02,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:02 BoogieIcfgContainer [2024-11-08 19:46:02,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:46:02,514 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:46:02,514 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:46:02,526 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:46:02,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2024-11-08 19:46:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-08 19:46:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:46:02,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:02,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:46:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2024-11-08 19:46:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2024-11-08 19:46:03,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:46:03,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:03,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:46:03,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2024-11-08 19:46:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2024-11-08 19:46:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:46:03,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:03,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:46:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:03,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2024-11-08 19:46:03,496 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-11-08 19:46:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:46:03,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:03,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:46:03,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 33 transitions. [2024-11-08 19:46:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2024-11-08 19:46:03,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:46:03,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:03,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:46:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 32 transitions. [2024-11-08 19:46:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-11-08 19:46:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:46:03,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:03,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:46:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:46:03,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:46:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:46:03,919 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 19:46:03,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:46:03 ImpRootNode [2024-11-08 19:46:03,960 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:46:03,961 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:46:03,961 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:46:03,961 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:46:03,962 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:02" (3/4) ... [2024-11-08 19:46:03,965 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:46:03,966 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:46:03,967 INFO L158 Benchmark]: Toolchain (without parser) took 4688.56ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 117.0MB in the beginning and 60.0MB in the end (delta: 57.0MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2024-11-08 19:46:03,968 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:46:03,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2660.48ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 62.0MB in the end (delta: 54.6MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2024-11-08 19:46:03,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.65ms. Allocated memory is still 151.0MB. Free memory was 61.1MB in the beginning and 57.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:46:03,971 INFO L158 Benchmark]: Boogie Preprocessor took 27.43ms. Allocated memory is still 151.0MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:46:03,972 INFO L158 Benchmark]: RCFGBuilder took 457.64ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 56.0MB in the beginning and 148.1MB in the end (delta: -92.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:46:03,973 INFO L158 Benchmark]: CodeCheck took 1446.21ms. Allocated memory is still 201.3MB. Free memory was 148.1MB in the beginning and 61.1MB in the end (delta: 87.0MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2024-11-08 19:46:03,975 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 201.3MB. Free memory was 61.1MB in the beginning and 60.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:46:03,979 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, 30 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 74 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 476 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 7/8 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 - UnprovableResult [Line: 1854]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1843, overapproximation of large string literal at line 1862, overapproximation of fgets at line 1841. 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); [L1862] 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) [L1862] 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] [L1863] CALL CWE190_Integer_Overflow__int_fgets_square_17_bad() [L1834] int i,j; [L1835] int data; [L1836] data = 0 [L1837] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1837] COND FALSE !(i < 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1837] COND TRUE i < 1 [L1840] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1841] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1843] data = atoi(inputBuffer) [L1837] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1837] COND TRUE i < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1851] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1851] COND FALSE !(j < 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1851] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1854] 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, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2660.48ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 62.0MB in the end (delta: 54.6MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.65ms. Allocated memory is still 151.0MB. Free memory was 61.1MB in the beginning and 57.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.43ms. Allocated memory is still 151.0MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.64ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 56.0MB in the beginning and 148.1MB in the end (delta: -92.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CodeCheck took 1446.21ms. Allocated memory is still 201.3MB. Free memory was 148.1MB in the beginning and 61.1MB in the end (delta: 87.0MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 201.3MB. Free memory was 61.1MB in the beginning and 60.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:46:04,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk --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 cf4a075a6c732c9d5671312c13d0b2dc4348f970607068cc69b1faf8eb643f8e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:46:06,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:46:06,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:46:06,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:46:06,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:46:06,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:46:06,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:46:06,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:46:06,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:46:06,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:46:06,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:46:06,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:46:06,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:46:06,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:46:06,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:46:06,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:46:06,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:46:06,622 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:46:06,622 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:46:06,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:46:06,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:46:06,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:46:06,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:46:06,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:46:06,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:46:06,628 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:06,629 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:46:06,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:46:06,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:06,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:46:06,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:46:06,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:46:06,631 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:46:06,631 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:06,632 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:46:06,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf4a075a6c732c9d5671312c13d0b2dc4348f970607068cc69b1faf8eb643f8e [2024-11-08 19:46:07,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:46:07,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:46:07,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:46:07,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:46:07,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:46:07,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i Unable to find full path for "g++" [2024-11-08 19:46:09,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:46:09,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:46:09,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i [2024-11-08 19:46:09,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/data/3cefc7334/fc2ea7625cd441ad9d960c82cbc9696d/FLAG431b305ca [2024-11-08 19:46:09,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/data/3cefc7334/fc2ea7625cd441ad9d960c82cbc9696d [2024-11-08 19:46:09,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:46:09,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:46:09,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:09,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:46:09,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:46:09,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:09" (1/1) ... [2024-11-08 19:46:09,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3dabd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:09, skipping insertion in model container [2024-11-08 19:46:09,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:09" (1/1) ... [2024-11-08 19:46:09,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:46:11,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:11,817 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:46:11,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:12,373 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:46:12,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12 WrapperNode [2024-11-08 19:46:12,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:12,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:12,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:46:12,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:46:12,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,448 INFO L138 Inliner]: procedures = 941, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-08 19:46:12,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:12,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:46:12,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:46:12,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:46:12,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:46:12,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:46:12,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:46:12,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:46:12,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:12" (1/1) ... [2024-11-08 19:46:12,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:12,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:46:12,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:46:12,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:46:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:46:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:46:12,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:46:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:46:12,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:46:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:46:12,794 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:46:12,797 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:46:15,150 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 19:46:15,150 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:46:15,194 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:46:15,194 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:46:15,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:15 BoogieIcfgContainer [2024-11-08 19:46:15,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:46:15,195 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:46:15,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:46:15,221 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:46:15,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:15" (1/1) ... [2024-11-08 19:46:15,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2024-11-08 19:46:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-08 19:46:15,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:46:15,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:15,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:15,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:15,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:15,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:46:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:15,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:46:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:15,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:46:15,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:46:15,583 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 19:46:15,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:46:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2024-11-08 19:46:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-08 19:46:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:46:15,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:15,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:15,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:15,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:15,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:46:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:15,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:46:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:15,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:46:15,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:15,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:46:15,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 19:46:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-11-08 19:46:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-08 19:46:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:46:15,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:15,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:15,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:15,940 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:15,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 19:46:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:16,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:46:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:16,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:46:16,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:46:16,121 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 19:46:16,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 19:46:16,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:16,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2024-11-08 19:46:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-08 19:46:16,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:46:16,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:16,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:16,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:16,166 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:16,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 19:46:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:16,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:46:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:16,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:46:16,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:46:16,412 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 19:46:16,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 19:46:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:16,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2024-11-08 19:46:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2024-11-08 19:46:16,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:46:16,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:16,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:16,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:16,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:16,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 19:46:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:16,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:46:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:16,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:46:16,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:46:16,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 19:46:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2024-11-08 19:46:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2024-11-08 19:46:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:46:16,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:16,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:16,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:16,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:16,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d819cc0-52a1-4ae4-8c65-300e425a0d99/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process