./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/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_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/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 64bit --witnessprinter.graph.data.programhash b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:21:35,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:21:35,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:21:36,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:21:36,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:21:36,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:21:36,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:21:36,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:21:36,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:21:36,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:21:36,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:21:36,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:21:36,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:21:36,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:21:36,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:21:36,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:21:36,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:21:36,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:21:36,023 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:21:36,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:21:36,023 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:21:36,023 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:21:36,023 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:21:36,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:21:36,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:21:36,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:21:36,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:21:36,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:21:36,024 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:21:36,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:21:36,024 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_76a4c01a-1708-4f8d-a941-4237113b2cdb/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b [2024-12-05 23:21:36,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:21:36,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:21:36,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:21:36,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:21:36,270 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:21:36,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2024-12-05 23:21:38,936 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data/02daf0dcf/516325eaaf6a4b6d9047fc05354294f5/FLAG58f6586e4 [2024-12-05 23:21:39,167 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:21:39,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2024-12-05 23:21:39,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data/02daf0dcf/516325eaaf6a4b6d9047fc05354294f5/FLAG58f6586e4 [2024-12-05 23:21:39,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data/02daf0dcf/516325eaaf6a4b6d9047fc05354294f5 [2024-12-05 23:21:39,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:21:39,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:21:39,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:21:39,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:21:39,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:21:39,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:39,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59644423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39, skipping insertion in model container [2024-12-05 23:21:39,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:39,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:21:39,365 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_76a4c01a-1708-4f8d-a941-4237113b2cdb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-12-05 23:21:39,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:21:39,613 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:21:39,619 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_76a4c01a-1708-4f8d-a941-4237113b2cdb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-12-05 23:21:39,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:21:39,753 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:21:39,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39 WrapperNode [2024-12-05 23:21:39,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:21:39,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:21:39,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:21:39,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:21:39,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:39,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,116 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4340 [2024-12-05 23:21:40,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:21:40,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:21:40,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:21:40,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:21:40,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,350 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:21:40,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:21:40,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:21:40,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:21:40,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:39" (1/1) ... [2024-12-05 23:21:40,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:21:40,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:21:40,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:21:40,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:21:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:21:40,835 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:21:40,837 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:21:45,343 INFO L? ?]: Removed 2368 outVars from TransFormulas that were not future-live. [2024-12-05 23:21:45,343 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:21:49,746 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:21:49,746 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:21:49,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:21:49 BoogieIcfgContainer [2024-12-05 23:21:49,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:21:49,747 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:21:49,747 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:21:49,754 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:21:49,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:21:49" (1/1) ... [2024-12-05 23:21:49,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:21:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:21:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:21:49,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:21:49,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:49,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:21:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:22:01,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:22:11,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:22:15,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:22:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:22:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:22:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:22:15,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:22:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:22:41,232 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:23:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:23:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:23:14,008 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) [2024-12-05 23:23:14,012 INFO L158 Benchmark]: Toolchain (without parser) took 94814.01ms. Allocated memory was 142.6MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 114.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-05 23:23:14,013 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:23:14,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.91ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 56.1MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 23:23:14,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 361.71ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 56.1MB in the beginning and 56.4MB in the end (delta: -277.2kB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-12-05 23:23:14,014 INFO L158 Benchmark]: Boogie Preprocessor took 375.12ms. Allocated memory was 159.4MB in the beginning and 411.0MB in the end (delta: 251.7MB). Free memory was 56.4MB in the beginning and 292.7MB in the end (delta: -236.3MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-12-05 23:23:14,015 INFO L158 Benchmark]: RCFGBuilder took 9253.98ms. Allocated memory was 411.0MB in the beginning and 1.4GB in the end (delta: 939.5MB). Free memory was 292.7MB in the beginning and 789.3MB in the end (delta: -496.6MB). Peak memory consumption was 593.3MB. Max. memory is 16.1GB. [2024-12-05 23:23:14,015 INFO L158 Benchmark]: CodeCheck took 84264.58ms. Allocated memory was 1.4GB in the beginning and 2.6GB in the end (delta: 1.3GB). Free memory was 789.3MB in the beginning and 1.2GB in the end (delta: -407.4MB). Peak memory consumption was 848.6MB. Max. memory is 16.1GB. [2024-12-05 23:23:14,017 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 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.91ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 56.1MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 361.71ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 56.1MB in the beginning and 56.4MB in the end (delta: -277.2kB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 375.12ms. Allocated memory was 159.4MB in the beginning and 411.0MB in the end (delta: 251.7MB). Free memory was 56.4MB in the beginning and 292.7MB in the end (delta: -236.3MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * RCFGBuilder took 9253.98ms. Allocated memory was 411.0MB in the beginning and 1.4GB in the end (delta: 939.5MB). Free memory was 292.7MB in the beginning and 789.3MB in the end (delta: -496.6MB). Peak memory consumption was 593.3MB. Max. memory is 16.1GB. * CodeCheck took 84264.58ms. Allocated memory was 1.4GB in the beginning and 2.6GB in the end (delta: 1.3GB). Free memory was 789.3MB in the beginning and 1.2GB in the end (delta: -407.4MB). Peak memory consumption was 848.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:23:14,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/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_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/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_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/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 64bit --witnessprinter.graph.data.programhash b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:23:16,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:23:16,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:23:16,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:23:16,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:23:16,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:23:16,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:23:16,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:23:16,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:23:16,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:23:16,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:23:16,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:23:16,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:23:16,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:23:16,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:23:16,135 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:23:16,135 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:23:16,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:23:16,136 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:23:16,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:23:16,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:23:16,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:23:16,136 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:23:16,136 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:16,136 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:23:16,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:23:16,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:23:16,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:23:16,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:23:16,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:23:16,137 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:23:16,137 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:16,137 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:23:16,137 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_76a4c01a-1708-4f8d-a941-4237113b2cdb/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b [2024-12-05 23:23:16,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:23:16,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:23:16,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:23:16,367 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:23:16,367 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:23:16,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2024-12-05 23:23:19,070 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data/15b1010ab/f4a50e88856348ab9a01e559adfb71a3/FLAGad7ac996d [2024-12-05 23:23:19,301 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:23:19,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2024-12-05 23:23:19,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data/15b1010ab/f4a50e88856348ab9a01e559adfb71a3/FLAGad7ac996d [2024-12-05 23:23:19,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/data/15b1010ab/f4a50e88856348ab9a01e559adfb71a3 [2024-12-05 23:23:19,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:23:19,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:23:19,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:23:19,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:23:19,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:23:19,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:23:19" (1/1) ... [2024-12-05 23:23:19,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2820ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:19, skipping insertion in model container [2024-12-05 23:23:19,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:23:19" (1/1) ... [2024-12-05 23:23:19,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:23:19,794 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_76a4c01a-1708-4f8d-a941-4237113b2cdb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-12-05 23:23:19,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:23:19,998 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:23:20,006 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_76a4c01a-1708-4f8d-a941-4237113b2cdb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-12-05 23:23:20,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:23:20,100 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:23:20,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20 WrapperNode [2024-12-05 23:23:20,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:23:20,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:23:20,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:23:20,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:23:20,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,192 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1420 [2024-12-05 23:23:20,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:23:20,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:23:20,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:23:20,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:23:20,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,234 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:23:20,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:23:20,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:23:20,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:23:20,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:20" (1/1) ... [2024-12-05 23:23:20,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:23:20,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:23:20,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:23:20,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:23:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:23:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:23:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:23:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:23:20,587 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:23:20,588 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:23:22,100 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-12-05 23:23:22,100 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:23:22,156 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:23:22,156 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:23:22,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:22 BoogieIcfgContainer [2024-12-05 23:23:22,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:23:22,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:23:22,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:23:22,167 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:23:22,167 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:22" (1/1) ... [2024-12-05 23:23:22,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:23:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:23:22,215 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:23:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:23:22,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:22,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:22,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:23:22,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:23:22,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:23:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:22,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:23:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:22,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:23:22,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:23:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:23:22,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:23:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:23:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:23:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:23:23,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:23,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:23,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:23:23,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:23:23,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4c01a-1708-4f8d-a941-4237113b2cdb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:23:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:23,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:23:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:24,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 23:23:24,169 INFO L279 TraceCheckSpWp]: Computing forward predicates...