./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_16_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_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/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_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/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_792c71b8-4ffe-4c18-85ba-87b21877f564/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 9f6a9e6642bce13b9b7eb892092d4d72a3baa12da72e5b9945db79ca3370801d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:26:06,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:26:06,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:26:06,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:26:06,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:26:06,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:26:06,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:26:06,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:26:06,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:26:06,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:26:06,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:26:06,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:26:06,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:26:06,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:26:06,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:26:06,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:26:06,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:26:06,342 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:26:06,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:26:06,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:26:06,342 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:26:06,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:26:06,342 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:26:06,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:26:06,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:26:06,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:26:06,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:06,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:26:06,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:26:06,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:26:06,343 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:26:06,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:26:06,343 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_792c71b8-4ffe-4c18-85ba-87b21877f564/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 -> 9f6a9e6642bce13b9b7eb892092d4d72a3baa12da72e5b9945db79ca3370801d [2024-12-06 05:26:06,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:26:06,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:26:06,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:26:06,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:26:06,595 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:26:06,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_16_bad.i [2024-12-06 05:26:09,194 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data/2e53dd9fb/10b5082bf40643c198fa1f43644e9090/FLAGc5c88e562 [2024-12-06 05:26:09,515 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:26:09,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_16_bad.i [2024-12-06 05:26:09,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data/2e53dd9fb/10b5082bf40643c198fa1f43644e9090/FLAGc5c88e562 [2024-12-06 05:26:09,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data/2e53dd9fb/10b5082bf40643c198fa1f43644e9090 [2024-12-06 05:26:09,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:26:09,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:26:09,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:09,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:26:09,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:26:09,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:09" (1/1) ... [2024-12-06 05:26:09,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19db322a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:09, skipping insertion in model container [2024-12-06 05:26:09,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:09" (1/1) ... [2024-12-06 05:26:09,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:26:10,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:10,961 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:26:11,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:11,248 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:26:11,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11 WrapperNode [2024-12-06 05:26:11,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:11,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:11,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:26:11,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:26:11,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,299 INFO L138 Inliner]: procedures = 936, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-12-06 05:26:11,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:11,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:26:11,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:26:11,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:26:11,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,315 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:26:11,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:26:11,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:26:11,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:26:11,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:11,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:26:11,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:26:11,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:26:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:26:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:26:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:26:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:26:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:26:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:26:11,480 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:26:11,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:26:11,564 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 05:26:11,564 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:26:11,589 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:26:11,589 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:26:11,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:26:11 BoogieIcfgContainer [2024-12-06 05:26:11,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:26:11,590 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:26:11,590 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:26:11,597 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:26:11,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:26:11" (1/1) ... [2024-12-06 05:26:11,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:26:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 05:26:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 05:26:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:26:11,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:11,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:26:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:11,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 05:26:11,794 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 05:26:11,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:26:11,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:11,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:26:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:26:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:26:11,884 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:26:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:26:11,917 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:26:11,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:26:11 ImpRootNode [2024-12-06 05:26:11,938 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:26:11,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:26:11,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:26:11,939 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:26:11,939 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:26:11" (3/4) ... [2024-12-06 05:26:11,941 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:26:11,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:26:11,942 INFO L158 Benchmark]: Toolchain (without parser) took 2157.24ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 57.1MB in the end (delta: 55.7MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-12-06 05:26:11,943 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:11,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.64ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 98.2MB in the end (delta: 14.6MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2024-12-06 05:26:11,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.43ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 94.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:11,944 INFO L158 Benchmark]: Boogie Preprocessor took 21.96ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:11,944 INFO L158 Benchmark]: RCFGBuilder took 266.72ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 78.8MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:26:11,945 INFO L158 Benchmark]: CodeCheck took 347.56ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 58.0MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:26:11,945 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 57.1MB in the end (delta: 856.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:11,947 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 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 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); [L1863] 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) [L1863] 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] [L1864] CALL CWE190_Integer_Overflow__int_fgets_square_16_bad() [L1834] int data; [L1835] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1840] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1842] data = atoi(inputBuffer) [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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.64ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 98.2MB in the end (delta: 14.6MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.43ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 94.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.96ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 266.72ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 78.8MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 347.56ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 58.0MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 57.1MB in the end (delta: 856.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:26:11,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/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_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/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_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/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_792c71b8-4ffe-4c18-85ba-87b21877f564/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 9f6a9e6642bce13b9b7eb892092d4d72a3baa12da72e5b9945db79ca3370801d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:26:13,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:26:13,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:26:13,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:26:13,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:26:13,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:26:13,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:26:13,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:26:13,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:26:13,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:26:13,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:26:13,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:26:13,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:26:13,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:26:13,980 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:26:13,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:26:13,980 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:26:13,980 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:26:13,981 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:26:13,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:26:13,981 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:26:13,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:26:13,981 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:26:13,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:26:13,981 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:26:13,981 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:13,981 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:26:13,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:26:13,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:13,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:26:13,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:26:13,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:26:13,982 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:26:13,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:13,982 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:26:13,982 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_792c71b8-4ffe-4c18-85ba-87b21877f564/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 -> 9f6a9e6642bce13b9b7eb892092d4d72a3baa12da72e5b9945db79ca3370801d [2024-12-06 05:26:14,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:26:14,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:26:14,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:26:14,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:26:14,233 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:26:14,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_16_bad.i [2024-12-06 05:26:16,861 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data/141d78132/31916c6116a34b27931302b14fcf0d82/FLAG1594fb831 [2024-12-06 05:26:17,188 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:26:17,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_16_bad.i [2024-12-06 05:26:17,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data/141d78132/31916c6116a34b27931302b14fcf0d82/FLAG1594fb831 [2024-12-06 05:26:17,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/data/141d78132/31916c6116a34b27931302b14fcf0d82 [2024-12-06 05:26:17,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:26:17,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:26:17,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:17,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:26:17,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:26:17,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:17" (1/1) ... [2024-12-06 05:26:17,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b25122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:17, skipping insertion in model container [2024-12-06 05:26:17,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:17" (1/1) ... [2024-12-06 05:26:17,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:26:18,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:18,674 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:26:18,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:19,115 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:26:19,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19 WrapperNode [2024-12-06 05:26:19,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:19,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:19,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:26:19,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:26:19,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,169 INFO L138 Inliner]: procedures = 941, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-12-06 05:26:19,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:19,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:26:19,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:26:19,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:26:19,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,189 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:26:19,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:26:19,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:26:19,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:26:19,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:19" (1/1) ... [2024-12-06 05:26:19,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:19,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:26:19,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:26:19,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:26:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:26:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:26:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:26:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:26:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:26:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:26:19,393 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:26:19,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:26:20,685 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 05:26:20,685 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:26:20,723 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:26:20,723 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:26:20,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:26:20 BoogieIcfgContainer [2024-12-06 05:26:20,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:26:20,724 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:26:20,724 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:26:20,734 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:26:20,734 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:26:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:20,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 05:26:20,779 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 05:26:20,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:26:20,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:20,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:20,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:26:20,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:26:20,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:26:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:20,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:26:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:20,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:26:20,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:20,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:26:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-12-06 05:26:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-06 05:26:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:26:20,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:20,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:20,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:26:20,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:26:20,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c71b8-4ffe-4c18-85ba-87b21877f564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process