./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_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_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a07bf6d7f2a61ff3768d52fdb1c31cd2cde36de26e0b1203b3a8724a82d75d06 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:22:57,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:22:57,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:22:57,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:22:57,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:22:57,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:22:57,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:22:57,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:22:57,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:22:57,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:22:57,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:22:57,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:22:57,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:22:57,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:22:57,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:22:57,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:22:57,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:22:57,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:22:57,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:22:57,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:22:57,564 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:22:57,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:22:57,564 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:22:57,564 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:22:57,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:22:57,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:22:57,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:22:57,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:22:57,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:22:57,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:22:57,565 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:22:57,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:22:57,565 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_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a07bf6d7f2a61ff3768d52fdb1c31cd2cde36de26e0b1203b3a8724a82d75d06 [2024-12-05 22:22:57,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:22:57,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:22:57,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:22:57,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:22:57,765 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:22:57,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_bad.i [2024-12-05 22:23:00,394 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data/2802dbc09/846a1463f0d848f3b408ab3b653f1665/FLAGced890bdf [2024-12-05 22:23:00,751 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:23:00,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_bad.i [2024-12-05 22:23:00,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data/2802dbc09/846a1463f0d848f3b408ab3b653f1665/FLAGced890bdf [2024-12-05 22:23:00,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data/2802dbc09/846a1463f0d848f3b408ab3b653f1665 [2024-12-05 22:23:00,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:23:00,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:23:00,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:00,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:23:00,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:23:00,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:00" (1/1) ... [2024-12-05 22:23:00,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f16f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:00, skipping insertion in model container [2024-12-05 22:23:00,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:00" (1/1) ... [2024-12-05 22:23:00,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:23:01,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:01,983 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:23:02,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:02,314 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:23:02,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02 WrapperNode [2024-12-05 22:23:02,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:02,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:02,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:23:02,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:23:02,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,356 INFO L138 Inliner]: procedures = 936, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-12-05 22:23:02,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:02,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:23:02,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:23:02,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:23:02,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,368 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:23:02,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:23:02,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:23:02,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:23:02,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:02,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:23:02,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:23:02,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:23:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:23:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:23:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:23:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:23:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:23:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:23:02,536 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:23:02,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:23:02,629 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-05 22:23:02,629 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:23:02,658 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:23:02,658 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:23:02,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:02 BoogieIcfgContainer [2024-12-05 22:23:02,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:23:02,659 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:23:02,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:23:02,668 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:23:02,668 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:02" (1/1) ... [2024-12-05 22:23:02,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:23:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 22:23:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 22:23:02,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:23:02,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:23:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-05 22:23:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-05 22:23:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:23:02,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:02,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:23:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 20 transitions. [2024-12-05 22:23:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-05 22:23:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:23:02,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:02,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:23:03,060 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:23:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:23:03,094 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-05 22:23:03,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:23:03 ImpRootNode [2024-12-05 22:23:03,115 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:23:03,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:23:03,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:23:03,115 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:23:03,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:02" (3/4) ... [2024-12-05 22:23:03,117 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:23:03,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:23:03,119 INFO L158 Benchmark]: Toolchain (without parser) took 2334.49ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 54.9MB in the end (delta: 33.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-05 22:23:03,119 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:03,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1529.11ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 53.7MB in the end (delta: 34.4MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2024-12-05 22:23:03,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.37ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 50.0MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:23:03,120 INFO L158 Benchmark]: Boogie Preprocessor took 17.27ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 48.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:03,121 INFO L158 Benchmark]: RCFGBuilder took 283.89ms. Allocated memory is still 117.4MB. Free memory was 48.7MB in the beginning and 34.7MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:23:03,122 INFO L158 Benchmark]: CodeCheck took 455.79ms. Allocated memory is still 117.4MB. Free memory was 34.7MB in the beginning and 55.7MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:03,122 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 117.4MB. Free memory was 55.7MB in the beginning and 54.9MB in the end (delta: 783.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:03,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 33 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 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_14_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] [L1836] COND TRUE globalFive==5 [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) [L1850] COND TRUE globalFive==5 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] [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 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1529.11ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 53.7MB in the end (delta: 34.4MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.37ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 50.0MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.27ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 48.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.89ms. Allocated memory is still 117.4MB. Free memory was 48.7MB in the beginning and 34.7MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 455.79ms. Allocated memory is still 117.4MB. Free memory was 34.7MB in the beginning and 55.7MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 117.4MB. Free memory was 55.7MB in the beginning and 54.9MB in the end (delta: 783.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:23:03,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a07bf6d7f2a61ff3768d52fdb1c31cd2cde36de26e0b1203b3a8724a82d75d06 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:23:05,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:23:05,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:23:05,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:23:05,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:23:05,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:23:05,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:23:05,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:23:05,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:23:05,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:23:05,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:23:05,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:23:05,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:23:05,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:23:05,203 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:23:05,203 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:23:05,203 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:23:05,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:23:05,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:23:05,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:23:05,203 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:23:05,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:23:05,204 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:23:05,204 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:23:05,204 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:23:05,204 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:05,204 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:23:05,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:23:05,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:05,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:23:05,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:23:05,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:23:05,204 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:23:05,204 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:05,205 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:23:05,205 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_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a07bf6d7f2a61ff3768d52fdb1c31cd2cde36de26e0b1203b3a8724a82d75d06 [2024-12-05 22:23:05,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:23:05,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:23:05,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:23:05,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:23:05,429 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:23:05,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_bad.i [2024-12-05 22:23:08,081 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data/e3467fef2/9ff556d2c88b4f51a81764af91e689c8/FLAG48d3613dc [2024-12-05 22:23:08,385 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:23:08,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_bad.i [2024-12-05 22:23:08,406 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data/e3467fef2/9ff556d2c88b4f51a81764af91e689c8/FLAG48d3613dc [2024-12-05 22:23:08,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/data/e3467fef2/9ff556d2c88b4f51a81764af91e689c8 [2024-12-05 22:23:08,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:23:08,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:23:08,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:08,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:23:08,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:23:08,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:08" (1/1) ... [2024-12-05 22:23:08,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b75fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:08, skipping insertion in model container [2024-12-05 22:23:08,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:08" (1/1) ... [2024-12-05 22:23:08,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:23:09,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:09,651 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:23:09,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:09,973 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:23:09,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09 WrapperNode [2024-12-05 22:23:09,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:09,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:09,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:23:09,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:23:09,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,022 INFO L138 Inliner]: procedures = 941, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-12-05 22:23:10,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:10,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:23:10,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:23:10,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:23:10,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,041 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:23:10,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:23:10,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:23:10,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:23:10,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:09" (1/1) ... [2024-12-05 22:23:10,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:10,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:23:10,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:23:10,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:23:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:23:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:23:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:23:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:23:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:23:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:23:10,216 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:23:10,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:23:12,386 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-05 22:23:12,386 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:23:12,424 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:23:12,424 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:23:12,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:12 BoogieIcfgContainer [2024-12-05 22:23:12,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:23:12,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:23:12,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:23:12,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:23:12,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:12" (1/1) ... [2024-12-05 22:23:12,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:23:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 22:23:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 22:23:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:23:12,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:12,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:12,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:12,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:12,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:23:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:12,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:12,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:23:12,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:23:12,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:23:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2024-12-05 22:23:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-05 22:23:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:23:12,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:12,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:12,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:12,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:12,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0946c8c6-7c1f-4db4-ad47-7271014f301e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process