./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/lcm1.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_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/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_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/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_71c263c6-abf6-4f2d-9066-e260f29bb273/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 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:14:49,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:14:49,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:14:49,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:14:49,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:14:49,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:14:49,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:14:49,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:14:49,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:14:49,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:14:49,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:14:49,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:14:49,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:14:49,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:14:49,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:14:49,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:14:49,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:14:49,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:14:49,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:14:49,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:14:49,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:14:49,820 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:14:49,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:14:49,820 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:14:49,820 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:14:49,820 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:14:49,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:14:49,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:14:49,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:14:49,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:14:49,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:14:49,821 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:14:49,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:14:49,821 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_71c263c6-abf6-4f2d-9066-e260f29bb273/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 -> 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd [2024-12-06 04:14:50,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:14:50,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:14:50,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:14:50,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:14:50,071 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:14:50,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/lcm1.c [2024-12-06 04:14:52,680 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data/45061318c/0d635608b6214911a030bef6c27821c9/FLAG8d6096459 [2024-12-06 04:14:52,888 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:14:52,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/sv-benchmarks/c/nla-digbench/lcm1.c [2024-12-06 04:14:52,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data/45061318c/0d635608b6214911a030bef6c27821c9/FLAG8d6096459 [2024-12-06 04:14:53,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data/45061318c/0d635608b6214911a030bef6c27821c9 [2024-12-06 04:14:53,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:14:53,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:14:53,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:14:53,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:14:53,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:14:53,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4985f1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53, skipping insertion in model container [2024-12-06 04:14:53,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:14:53,381 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_71c263c6-abf6-4f2d-9066-e260f29bb273/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2024-12-06 04:14:53,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:14:53,405 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:14:53,413 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_71c263c6-abf6-4f2d-9066-e260f29bb273/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2024-12-06 04:14:53,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:14:53,430 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:14:53,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53 WrapperNode [2024-12-06 04:14:53,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:14:53,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:14:53,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:14:53,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:14:53,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,453 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2024-12-06 04:14:53,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:14:53,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:14:53,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:14:53,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:14:53,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,464 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:14:53,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:14:53,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:14:53,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:14:53,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:14:53,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:14:53,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:14:53,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:14:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:14:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:14:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:14:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:14:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:14:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:14:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:14:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:14:53,576 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:14:53,578 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:14:53,725 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 04:14:53,725 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:14:53,753 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:14:53,753 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 04:14:53,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:14:53 BoogieIcfgContainer [2024-12-06 04:14:53,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:14:53,754 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:14:53,755 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:14:53,763 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:14:53,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:14:53" (1/1) ... [2024-12-06 04:14:53,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:14:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2024-12-06 04:14:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:14:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:14:53,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:53,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:14:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:54,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:14:54,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:14:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 04:14:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2024-12-06 04:14:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-12-06 04:14:54,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:14:54,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:54,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:15:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:15:04,320 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:15:04,324 INFO L158 Benchmark]: Toolchain (without parser) took 11060.86ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 64.2MB in the end (delta: 53.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 04:15:04,324 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:15:04,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.09ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:15:04,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.04ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:15:04,326 INFO L158 Benchmark]: Boogie Preprocessor took 16.94ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 812.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:15:04,326 INFO L158 Benchmark]: RCFGBuilder took 282.11ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 91.2MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:15:04,326 INFO L158 Benchmark]: CodeCheck took 10568.73ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 64.2MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:15:04,329 INFO L338 ainManager$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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.09ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.04ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.94ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 812.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 282.11ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 91.2MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10568.73ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 64.2MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:15:04,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/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_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/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 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:15:06,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:15:06,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:15:06,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:15:06,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:15:06,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:15:06,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:15:06,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:15:06,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:15:06,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:15:06,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:15:06,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:15:06,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:15:06,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:15:06,365 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:15:06,365 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:15:06,365 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:15:06,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:15:06,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:06,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:15:06,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:15:06,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:15:06,365 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:15:06,365 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:15:06,366 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:15:06,366 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_71c263c6-abf6-4f2d-9066-e260f29bb273/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 -> 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd [2024-12-06 04:15:06,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:15:06,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:15:06,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:15:06,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:15:06,619 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:15:06,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/lcm1.c [2024-12-06 04:15:09,363 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data/37ae99217/b1c768e499ea419b9434ed4a9125e28b/FLAGd03835975 [2024-12-06 04:15:09,513 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:15:09,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/sv-benchmarks/c/nla-digbench/lcm1.c [2024-12-06 04:15:09,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data/37ae99217/b1c768e499ea419b9434ed4a9125e28b/FLAGd03835975 [2024-12-06 04:15:09,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/data/37ae99217/b1c768e499ea419b9434ed4a9125e28b [2024-12-06 04:15:09,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:15:09,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:15:09,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:09,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:15:09,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:15:09,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52203758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09, skipping insertion in model container [2024-12-06 04:15:09,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:15:09,693 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_71c263c6-abf6-4f2d-9066-e260f29bb273/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2024-12-06 04:15:09,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:09,723 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:15:09,734 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_71c263c6-abf6-4f2d-9066-e260f29bb273/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2024-12-06 04:15:09,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:09,754 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:15:09,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09 WrapperNode [2024-12-06 04:15:09,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:09,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:09,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:15:09,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:15:09,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,787 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2024-12-06 04:15:09,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:09,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:15:09,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:15:09,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:15:09,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,802 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:15:09,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:15:09,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:15:09,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:15:09,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:09" (1/1) ... [2024-12-06 04:15:09,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:09,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:15:09,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:15:09,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:15:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:15:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:15:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:15:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:15:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:15:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:15:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:15:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:15:09,928 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:15:09,929 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:15:10,063 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 04:15:10,063 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:15:10,095 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:15:10,095 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 04:15:10,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:10 BoogieIcfgContainer [2024-12-06 04:15:10,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:15:10,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:15:10,096 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:15:10,106 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:15:10,106 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:10" (1/1) ... [2024-12-06 04:15:10,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:15:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:10,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2024-12-06 04:15:10,161 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:15:10,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:15:10,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:10,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:15:10,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:15:10,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:15:10,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:15:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:10,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:15:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:15:20,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:15:20,527 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:15:20,530 INFO L158 Benchmark]: Toolchain (without parser) took 10995.18ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 62.6MB in the end (delta: 7.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-12-06 04:15:20,531 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:15:20,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.94ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:15:20,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.04ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:15:20,532 INFO L158 Benchmark]: Boogie Preprocessor took 22.85ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.6MB in the end (delta: 986.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:15:20,532 INFO L158 Benchmark]: RCFGBuilder took 284.54ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 42.4MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:15:20,532 INFO L158 Benchmark]: CodeCheck took 10432.97ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 62.6MB in the end (delta: -20.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:15:20,535 INFO L338 ainManager$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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.94ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.04ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.85ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.6MB in the end (delta: 986.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 284.54ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 42.4MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10432.97ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 62.6MB in the end (delta: -20.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:15:20,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c263c6-abf6-4f2d-9066-e260f29bb273/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 Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown