./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-loops/diamond_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/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_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-loops/diamond_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cfc9b98f01b5740214418c1e274ef62d42bd44052b6c9ba666982a6bcd7671c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:49:33,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:49:33,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:49:33,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:49:33,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:49:33,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:49:33,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:49:33,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:49:33,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:49:33,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:49:33,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:49:33,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:49:33,576 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:49:33,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:49:33,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:49:33,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:49:33,576 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:49:33,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:49:33,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:49:33,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:49:33,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:49:33,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:49:33,576 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:49:33,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:49:33,577 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_e8425cc7-61b7-4f7a-954d-94ad6783603e/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 ! call(reach_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc9b98f01b5740214418c1e274ef62d42bd44052b6c9ba666982a6bcd7671c6 [2024-12-06 02:49:33,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:49:33,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:49:33,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:49:33,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:49:33,817 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:49:33,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector-loops/diamond_2-1.c [2024-12-06 02:49:36,437 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/data/2461508d6/a5091995e6514af798085cdb263ec321/FLAG1af55f594 [2024-12-06 02:49:36,664 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:49:36,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/sv-benchmarks/c/bitvector-loops/diamond_2-1.c [2024-12-06 02:49:36,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/data/2461508d6/a5091995e6514af798085cdb263ec321/FLAG1af55f594 [2024-12-06 02:49:37,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/data/2461508d6/a5091995e6514af798085cdb263ec321 [2024-12-06 02:49:37,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:49:37,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:49:37,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:49:37,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:49:37,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:49:37,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2541aa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37, skipping insertion in model container [2024-12-06 02:49:37,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:49:37,139 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/sv-benchmarks/c/bitvector-loops/diamond_2-1.c[373,386] [2024-12-06 02:49:37,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:49:37,163 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:49:37,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/sv-benchmarks/c/bitvector-loops/diamond_2-1.c[373,386] [2024-12-06 02:49:37,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:49:37,191 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:49:37,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37 WrapperNode [2024-12-06 02:49:37,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:49:37,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:49:37,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:49:37,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:49:37,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,213 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-12-06 02:49:37,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:49:37,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:49:37,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:49:37,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:49:37,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,223 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:49:37,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:49:37,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:49:37,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:49:37,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:49:37,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:49:37,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:49:37,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:49:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:49:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:49:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:49:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:49:37,323 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:49:37,325 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:49:37,469 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 02:49:37,469 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:49:37,571 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:49:37,571 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:49:37,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:49:37 BoogieIcfgContainer [2024-12-06 02:49:37,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:49:37,573 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:49:37,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:49:37,582 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:49:37,582 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:49:37" (1/1) ... [2024-12-06 02:49:37,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:49:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:49:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:49:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:49:37,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:49:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:37,802 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 02:49:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:49:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:49:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:49:37,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:49:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:49:37,871 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:49:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:49:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:49:37,931 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:49:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:49:37,950 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:49:37,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:49:37 ImpRootNode [2024-12-06 02:49:37,969 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:49:37,970 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:49:37,970 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:49:37,970 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:49:37,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:49:37" (3/4) ... [2024-12-06 02:49:37,972 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:49:38,003 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 15. [2024-12-06 02:49:38,052 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:49:38,052 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:49:38,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:49:38,053 INFO L158 Benchmark]: Toolchain (without parser) took 1027.09ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 58.7MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 02:49:38,053 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:49:38,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.16ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.9MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:49:38,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.10ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:49:38,054 INFO L158 Benchmark]: Boogie Preprocessor took 16.28ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.0MB in the end (delta: 750.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:49:38,055 INFO L158 Benchmark]: RCFGBuilder took 340.90ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 84.9MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:49:38,055 INFO L158 Benchmark]: CodeCheck took 396.91ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 63.1MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:49:38,055 INFO L158 Benchmark]: Witness Printer took 82.10ms. Allocated memory is still 142.6MB. Free memory was 63.1MB in the beginning and 58.7MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:49:38,057 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 23 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 - CounterExampleResult [Line: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] unsigned int x = 0; [L15] unsigned int y = __VERIFIER_nondet_uint(); [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L19] x += 2 [L21] COND FALSE !(y % 2 == 0) [L22] x -= 2 [L24] COND FALSE !(y % 2 == 0) [L25] x += 2 [L27] COND FALSE !(y % 2 == 0) [L28] x -= 2 [L30] COND FALSE !(y % 2 == 0) [L31] x += 2 [L33] COND FALSE !(y % 2 == 0) [L34] x -= 4 [L36] COND FALSE !(y % 2 == 0) [L37] x += 4 [L39] COND FALSE !(y % 2 == 0) [L40] x += 2 [L42] COND FALSE !(y % 2 == 0) [L43] x -= 4 [L45] COND FALSE !(y % 2 == 0) [L46] x -= 4 VAL [x=-4, y=1] [L17] COND FALSE !(x < 99) [L49] CALL __VERIFIER_assert((x % 2) == (y % 2)) [L7] COND TRUE !(cond) [L8] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.16ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.9MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.10ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.28ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.0MB in the end (delta: 750.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.90ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 84.9MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 396.91ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 63.1MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 82.10ms. Allocated memory is still 142.6MB. Free memory was 63.1MB in the beginning and 58.7MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:49:38,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8425cc7-61b7-4f7a-954d-94ad6783603e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE