./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm --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 561ed348ed5c74b26576173ca319ce5321fce29a03271c829397daa1c1ebc56c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:36,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:36,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:35:36,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:35:36,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:35:36,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:36,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:36,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:36,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:36,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:36,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:36,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:36,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:35:36,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:35:36,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:35:36,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:36,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:36,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:36,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:36,463 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:36,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:35:36,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:36,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:36,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:36,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:36,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:36,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:36,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:36,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:36,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:36,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:36,465 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:35:36,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:35:36,465 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_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm 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 -> 561ed348ed5c74b26576173ca319ce5321fce29a03271c829397daa1c1ebc56c [2024-11-13 20:35:36,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:36,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:36,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:36,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:36,869 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:36,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c Unable to find full path for "g++" [2024-11-13 20:35:39,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:39,328 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:39,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c [2024-11-13 20:35:39,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/data/9040d0922/1f7d9866745043cfa50360f4cb90e74a/FLAG2d14880a6 [2024-11-13 20:35:39,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/data/9040d0922/1f7d9866745043cfa50360f4cb90e74a [2024-11-13 20:35:39,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:39,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:39,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:39,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:39,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:39,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af44c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39, skipping insertion in model container [2024-11-13 20:35:39,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:39,605 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_09ddb7bf-af1e-44ed-907a-ec091ec30de9/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c[554,567] [2024-11-13 20:35:39,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:39,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:39,673 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_09ddb7bf-af1e-44ed-907a-ec091ec30de9/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c[554,567] [2024-11-13 20:35:39,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:39,725 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:39,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39 WrapperNode [2024-11-13 20:35:39,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:39,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:39,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:39,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:39,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,804 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-11-13 20:35:39,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:39,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:39,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:39,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:39,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:39,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:39,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:39,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:39,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:39,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:39,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:39,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:35:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:35:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:35:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:35:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:35:40,043 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:40,046 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:40,289 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:40,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:40,327 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:40,327 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:35:40,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:40 BoogieIcfgContainer [2024-11-13 20:35:40,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:40,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:40,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:40,343 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:40,343 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:40,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 20:35:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 20:35:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:35:40,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:40,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:35:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:40,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:35:40,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:35:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:35:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-13 20:35:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-13 20:35:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:35:41,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:41,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:35:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:41,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:41,210 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:35:41,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:35:41 ImpRootNode [2024-11-13 20:35:41,247 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:35:41,248 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:35:41,248 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:35:41,248 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:35:41,249 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:40" (3/4) ... [2024-11-13 20:35:41,250 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:35:41,302 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:35:41,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:35:41,303 INFO L158 Benchmark]: Toolchain (without parser) took 1928.63ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 143.9MB in the beginning and 65.2MB in the end (delta: 78.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 20:35:41,304 INFO L158 Benchmark]: CDTParser took 3.19ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:41,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.13ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 143.9MB in the beginning and 107.5MB in the end (delta: 36.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:41,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.78ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 935.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:41,305 INFO L158 Benchmark]: Boogie Preprocessor took 33.49ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 948.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:41,305 INFO L158 Benchmark]: RCFGBuilder took 484.76ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 94.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:35:41,305 INFO L158 Benchmark]: CodeCheck took 918.10ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 67.4MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:35:41,306 INFO L158 Benchmark]: Witness Printer took 54.80ms. Allocated memory is still 142.6MB. Free memory was 67.4MB in the beginning and 65.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:41,308 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 13 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 2 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int z, k; [L24] unsigned long long x, y, c; [L25] z = __VERIFIER_nondet_uint() [L26] CALL assume_abort_if_not(z>=0 && z<=100) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L26] RET assume_abort_if_not(z>=0 && z<=100) VAL [z=0] [L27] k = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(k>=0 && k<=100) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L28] RET assume_abort_if_not(k>=0 && k<=100) VAL [k=0, z=0] [L30] x = 1 [L31] y = z [L32] c = 1 VAL [c=1, k=0, x=1, y=0, z=0] [L34] COND TRUE 1 VAL [c=1, k=0, x=1, y=0, z=0] [L35] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, k=0, x=1, y=0, z=0] [L37] COND TRUE !(c < k) VAL [x=1, y=0, z=0] [L46] x = x * (z - 1) VAL [x=4294967295, y=0] [L48] CALL __VERIFIER_assert(1 + x - y == 0) VAL [\old(cond)=0] [L16] COND TRUE !(cond) VAL [\old(cond)=0] [L18] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.19ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.13ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 143.9MB in the beginning and 107.5MB in the end (delta: 36.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.78ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 935.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.49ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 948.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.76ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 94.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 918.10ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 67.4MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 54.80ms. Allocated memory is still 142.6MB. Free memory was 67.4MB in the beginning and 65.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 20:35:41,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ddb7bf-af1e-44ed-907a-ec091ec30de9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE