./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk --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 64bit --witnessprinter.graph.data.programhash 52aaa0332eefa406b14bf0040bc722ffbb83771cf03ec10c7d17ac8a4e45d63a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:55:28,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:55:28,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:55:28,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:55:28,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:55:28,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:55:28,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:55:28,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:55:28,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:55:28,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:55:28,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:55:28,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:55:28,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:55:28,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:55:28,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:55:28,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:55:28,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:55:28,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:55:28,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:55:28,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:55:28,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:55:28,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:55:28,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:55:28,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:55:28,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:55:28,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:55:28,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:55:28,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:55:28,481 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:55:28,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:55:28,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52aaa0332eefa406b14bf0040bc722ffbb83771cf03ec10c7d17ac8a4e45d63a [2024-11-08 23:55:28,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:55:28,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:55:28,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:55:28,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:55:28,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:55:28,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c Unable to find full path for "g++" [2024-11-08 23:55:30,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:55:31,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:55:31,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c [2024-11-08 23:55:31,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/data/7d3744cba/ba949509095644538a45cae732ebc1d5/FLAG8a12a7586 [2024-11-08 23:55:31,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/data/7d3744cba/ba949509095644538a45cae732ebc1d5 [2024-11-08 23:55:31,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:55:31,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:55:31,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:55:31,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:55:31,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:55:31,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:55:31" (1/1) ... [2024-11-08 23:55:31,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e29c0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:31, skipping insertion in model container [2024-11-08 23:55:31,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:55:31" (1/1) ... [2024-11-08 23:55:31,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:55:31,659 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_fc39161f-d040-4b65-9d39-e0c237189655/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c[1335,1348] [2024-11-08 23:55:31,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:55:31,916 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:55:31,932 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_fc39161f-d040-4b65-9d39-e0c237189655/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c[1335,1348] [2024-11-08 23:55:32,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:55:32,118 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:55:32,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32 WrapperNode [2024-11-08 23:55:32,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:55:32,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:55:32,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:55:32,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:55:32,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,401 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1978 [2024-11-08 23:55:32,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:55:32,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:55:32,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:55:32,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:55:32,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:55:32,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:55:32,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:55:32,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:55:32,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:32" (1/1) ... [2024-11-08 23:55:32,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:55:32,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:55:32,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:55:32,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:55:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:55:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:55:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:55:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:55:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:55:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:55:32,993 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:55:32,996 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:55:35,585 INFO L? ?]: Removed 1091 outVars from TransFormulas that were not future-live. [2024-11-08 23:55:35,585 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:55:38,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:55:38,380 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:55:38,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:55:38 BoogieIcfgContainer [2024-11-08 23:55:38,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:55:38,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:55:38,382 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:55:38,392 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:55:38,392 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:55:38" (1/1) ... [2024-11-08 23:55:38,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:55:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:55:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:55:38,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:55:38,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:38,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:55:47,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:47,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-08 23:55:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-08 23:55:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:47,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:47,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:55:52,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:55:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:56:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:56:08,793 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:56:08,797 INFO L158 Benchmark]: Toolchain (without parser) took 37408.52ms. Allocated memory was 163.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 127.9MB in the beginning and 966.2MB in the end (delta: -838.4MB). Peak memory consumption was 343.8MB. Max. memory is 16.1GB. [2024-11-08 23:56:08,797 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:56:08,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.13ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 87.8MB in the end (delta: 40.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 23:56:08,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 281.00ms. Allocated memory is still 163.6MB. Free memory was 87.8MB in the beginning and 95.1MB in the end (delta: -7.3MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-08 23:56:08,800 INFO L158 Benchmark]: Boogie Preprocessor took 189.13ms. Allocated memory is still 163.6MB. Free memory was 95.1MB in the beginning and 79.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:56:08,800 INFO L158 Benchmark]: RCFGBuilder took 5787.96ms. Allocated memory was 163.6MB in the beginning and 310.4MB in the end (delta: 146.8MB). Free memory was 79.7MB in the beginning and 91.5MB in the end (delta: -11.9MB). Peak memory consumption was 171.0MB. Max. memory is 16.1GB. [2024-11-08 23:56:08,801 INFO L158 Benchmark]: CodeCheck took 30414.62ms. Allocated memory was 310.4MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 91.5MB in the beginning and 966.2MB in the end (delta: -874.7MB). Peak memory consumption was 158.1MB. Max. memory is 16.1GB. [2024-11-08 23:56:08,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.13ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 87.8MB in the end (delta: 40.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 281.00ms. Allocated memory is still 163.6MB. Free memory was 87.8MB in the beginning and 95.1MB in the end (delta: -7.3MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 189.13ms. Allocated memory is still 163.6MB. Free memory was 95.1MB in the beginning and 79.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5787.96ms. Allocated memory was 163.6MB in the beginning and 310.4MB in the end (delta: 146.8MB). Free memory was 79.7MB in the beginning and 91.5MB in the end (delta: -11.9MB). Peak memory consumption was 171.0MB. Max. memory is 16.1GB. * CodeCheck took 30414.62ms. Allocated memory was 310.4MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 91.5MB in the beginning and 966.2MB in the end (delta: -874.7MB). Peak memory consumption was 158.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:56:08,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk --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 64bit --witnessprinter.graph.data.programhash 52aaa0332eefa406b14bf0040bc722ffbb83771cf03ec10c7d17ac8a4e45d63a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:56:11,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:56:11,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:56:11,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:56:11,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:56:11,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:56:11,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:56:11,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:56:11,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:56:11,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:56:11,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:56:11,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:56:11,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:56:11,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:56:11,358 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:56:11,358 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:56:11,359 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:56:11,359 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:56:11,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:56:11,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:56:11,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:56:11,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:56:11,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:56:11,360 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:11,361 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:56:11,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:56:11,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:56:11,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:56:11,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:56:11,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:56:11,362 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:56:11,362 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:11,363 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:56:11,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52aaa0332eefa406b14bf0040bc722ffbb83771cf03ec10c7d17ac8a4e45d63a [2024-11-08 23:56:11,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:56:11,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:56:11,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:56:11,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:56:11,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:56:11,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c Unable to find full path for "g++" [2024-11-08 23:56:13,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:56:14,154 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:56:14,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c [2024-11-08 23:56:14,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/data/f69dba77a/3bd88d51531443f1aa15a12117394386/FLAG1e2f5a5ef [2024-11-08 23:56:14,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/data/f69dba77a/3bd88d51531443f1aa15a12117394386 [2024-11-08 23:56:14,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:56:14,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:56:14,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:56:14,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:56:14,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:56:14,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:14,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f03ca8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14, skipping insertion in model container [2024-11-08 23:56:14,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:14,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:56:14,540 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_fc39161f-d040-4b65-9d39-e0c237189655/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c[1335,1348] [2024-11-08 23:56:14,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:56:14,827 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:56:14,848 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_fc39161f-d040-4b65-9d39-e0c237189655/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c[1335,1348] [2024-11-08 23:56:14,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:56:14,993 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:56:14,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14 WrapperNode [2024-11-08 23:56:14,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:56:14,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:56:14,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:56:14,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:56:15,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,130 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 914 [2024-11-08 23:56:15,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:56:15,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:56:15,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:56:15,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:56:15,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:56:15,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:56:15,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:56:15,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:56:15,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:14" (1/1) ... [2024-11-08 23:56:15,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:56:15,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:56:15,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:56:15,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:56:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:56:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:56:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:56:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:56:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:56:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:56:15,655 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:56:15,658 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:56:16,622 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-11-08 23:56:16,623 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:56:16,701 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:56:16,702 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:56:16,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:56:16 BoogieIcfgContainer [2024-11-08 23:56:16,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:56:16,703 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:56:16,703 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:56:16,713 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:56:16,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:56:16" (1/1) ... [2024-11-08 23:56:16,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:56:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:56:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:56:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:56:16,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:16,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:16,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:16,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:16,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:56:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:17,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:17,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:56:17,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:56:18,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:56:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-08 23:56:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-08 23:56:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:18,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:18,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:18,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:18,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:18,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:56:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:19,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:20,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 23:56:20,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 23:56:21,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:56:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2024-11-08 23:56:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-08 23:56:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 23:56:23,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:23,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:23,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:23,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:23,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:56:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:25,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:26,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-08 23:56:26,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 23:56:31,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:56:42,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:56:44,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2024-11-08 23:56:44,259 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-11-08 23:56:44,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 23:56:44,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:44,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:44,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:44,266 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:44,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:56:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:47,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:50,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 216 conjuncts are in the unsatisfiable core [2024-11-08 23:56:50,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:50,784 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-09 00:02:50,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-11-09 00:02:50,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39161f-d040-4b65-9d39-e0c237189655/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:02:50,809 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:02:50,813 INFO L158 Benchmark]: Toolchain (without parser) took 396615.66ms. Allocated memory was 75.5MB in the beginning and 717.2MB in the end (delta: 641.7MB). Free memory was 52.4MB in the beginning and 586.0MB in the end (delta: -533.6MB). Peak memory consumption was 468.0MB. Max. memory is 16.1GB. [2024-11-09 00:02:50,813 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:50,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.05ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 37.0MB in the end (delta: 15.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-11-09 00:02:50,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.33ms. Allocated memory is still 75.5MB. Free memory was 37.0MB in the beginning and 29.8MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:02:50,816 INFO L158 Benchmark]: Boogie Preprocessor took 121.39ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 29.8MB in the beginning and 74.1MB in the end (delta: -44.3MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-09 00:02:50,817 INFO L158 Benchmark]: RCFGBuilder took 1448.72ms. Allocated memory is still 104.9MB. Free memory was 74.1MB in the beginning and 44.0MB in the end (delta: 30.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-11-09 00:02:50,817 INFO L158 Benchmark]: CodeCheck took 394108.95ms. Allocated memory was 104.9MB in the beginning and 717.2MB in the end (delta: 612.4MB). Free memory was 44.0MB in the beginning and 586.0MB in the end (delta: -542.1MB). Peak memory consumption was 429.9MB. Max. memory is 16.1GB. [2024-11-09 00:02:50,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.05ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 37.0MB in the end (delta: 15.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.33ms. Allocated memory is still 75.5MB. Free memory was 37.0MB in the beginning and 29.8MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.39ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 29.8MB in the beginning and 74.1MB in the end (delta: -44.3MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1448.72ms. Allocated memory is still 104.9MB. Free memory was 74.1MB in the beginning and 44.0MB in the end (delta: 30.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * CodeCheck took 394108.95ms. Allocated memory was 104.9MB in the beginning and 717.2MB in the end (delta: 612.4MB). Free memory was 44.0MB in the beginning and 586.0MB in the end (delta: -542.1MB). Peak memory consumption was 429.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants