./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f80352e01b73b6fb2bc3eb6dbc59d548e55d04f393bb7e93c0cfa1ecbdc251ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:05:33,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:05:33,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:05:33,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:05:33,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:05:33,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:05:33,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:05:33,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:05:33,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:05:33,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:05:33,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:05:33,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:05:33,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:05:33,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:05:33,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:05:33,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:05:33,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:05:33,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:05:33,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:05:33,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:05:33,608 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:05:33,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:05:33,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:05:33,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:05:33,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:33,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:05:33,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:05:33,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:05:33,609 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:05:33,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:05:33,609 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_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f80352e01b73b6fb2bc3eb6dbc59d548e55d04f393bb7e93c0cfa1ecbdc251ad [2024-11-13 22:05:33,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:33,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:33,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:33,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:33,925 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:33,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:05:35,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:36,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:36,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c [2024-11-13 22:05:36,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/data/5422c6b91/ba54204ec2014f12947428b5766928b8/FLAG47ef2eb7d [2024-11-13 22:05:36,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/data/5422c6b91/ba54204ec2014f12947428b5766928b8 [2024-11-13 22:05:36,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:36,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:36,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:36,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:36,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:36,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:36" (1/1) ... [2024-11-13 22:05:36,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c58ef4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:36, skipping insertion in model container [2024-11-13 22:05:36,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:36" (1/1) ... [2024-11-13 22:05:36,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:36,691 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_b928871b-d56b-43a9-aaf4-1200b0c9018a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c[1174,1187] [2024-11-13 22:05:37,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:37,324 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:37,337 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_b928871b-d56b-43a9-aaf4-1200b0c9018a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c[1174,1187] [2024-11-13 22:05:37,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:37,637 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:37,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37 WrapperNode [2024-11-13 22:05:37,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:37,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:37,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:37,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:37,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:37,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:38,828 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8783 [2024-11-13 22:05:38,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:38,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:38,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:38,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:38,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:38,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:39,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:39,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:39,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:39,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:39,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:40,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:40,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:40,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:40,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:40,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:40,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:37" (1/1) ... [2024-11-13 22:05:40,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:40,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:40,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:40,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:05:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:05:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:40,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:40,998 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:54,515 INFO L? ?]: Removed 4900 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:54,515 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:06:09,639 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:06:09,640 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:06:09,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:09 BoogieIcfgContainer [2024-11-13 22:06:09,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:06:09,642 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:06:09,642 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:06:09,657 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:06:09,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:09" (1/1) ... [2024-11-13 22:06:09,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:06:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:06:09,791 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:06:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:06:09,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:09,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:37,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:47,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:48,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:00,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:07:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:07:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:07:00,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:00,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:18,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:15:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:15:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:15:31,404 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:15:31,411 INFO L158 Benchmark]: Toolchain (without parser) took 595083.72ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 88.8MB in the beginning and 567.1MB in the end (delta: -478.3MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 22:15:31,411 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:15:31,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.40ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 49.1MB in the end (delta: 39.6MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2024-11-13 22:15:31,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 1191.00ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 49.1MB in the beginning and 80.5MB in the end (delta: -31.4MB). Peak memory consumption was 182.4MB. Max. memory is 16.1GB. [2024-11-13 22:15:31,414 INFO L158 Benchmark]: Boogie Preprocessor took 1421.58ms. Allocated memory was 251.7MB in the beginning and 620.8MB in the end (delta: 369.1MB). Free memory was 80.5MB in the beginning and 397.5MB in the end (delta: -317.1MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2024-11-13 22:15:31,415 INFO L158 Benchmark]: RCFGBuilder took 29387.43ms. Allocated memory was 620.8MB in the beginning and 1.3GB in the end (delta: 671.1MB). Free memory was 397.5MB in the beginning and 384.9MB in the end (delta: 12.6MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-13 22:15:31,415 INFO L158 Benchmark]: CodeCheck took 561766.77ms. Allocated memory was 1.3GB in the beginning and 1.7GB in the end (delta: 419.4MB). Free memory was 384.1MB in the beginning and 567.1MB in the end (delta: -183.0MB). Peak memory consumption was 240.5MB. Max. memory is 16.1GB. [2024-11-13 22:15:31,420 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.40ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 49.1MB in the end (delta: 39.6MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1191.00ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 49.1MB in the beginning and 80.5MB in the end (delta: -31.4MB). Peak memory consumption was 182.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1421.58ms. Allocated memory was 251.7MB in the beginning and 620.8MB in the end (delta: 369.1MB). Free memory was 80.5MB in the beginning and 397.5MB in the end (delta: -317.1MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * RCFGBuilder took 29387.43ms. Allocated memory was 620.8MB in the beginning and 1.3GB in the end (delta: 671.1MB). Free memory was 397.5MB in the beginning and 384.9MB in the end (delta: 12.6MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 561766.77ms. Allocated memory was 1.3GB in the beginning and 1.7GB in the end (delta: 419.4MB). Free memory was 384.1MB in the beginning and 567.1MB in the end (delta: -183.0MB). Peak memory consumption was 240.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:15:31,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f80352e01b73b6fb2bc3eb6dbc59d548e55d04f393bb7e93c0cfa1ecbdc251ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:15:34,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:15:34,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:15:34,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:15:34,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:15:34,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:15:34,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:15:34,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:15:34,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:15:34,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:15:34,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:15:34,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:15:34,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:15:34,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:15:34,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:15:34,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:15:34,845 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:15:34,845 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:15:34,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:15:34,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:15:34,845 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:15:34,847 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:15:34,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:15:34,847 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:34,848 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:15:34,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:15:34,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:15:34,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:15:34,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:15:34,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:15:34,848 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:15:34,848 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:34,849 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:15:34,849 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_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f80352e01b73b6fb2bc3eb6dbc59d548e55d04f393bb7e93c0cfa1ecbdc251ad [2024-11-13 22:15:35,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:15:35,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:15:35,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:15:35,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:15:35,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:15:35,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:15:37,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:15:37,937 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:15:37,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c [2024-11-13 22:15:37,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/data/f9e647634/672368ff013d4f09b2892474398f417f/FLAGb83c552f2 [2024-11-13 22:15:38,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/data/f9e647634/672368ff013d4f09b2892474398f417f [2024-11-13 22:15:38,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:15:38,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:15:38,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:15:38,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:15:38,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:15:38,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:15:38" (1/1) ... [2024-11-13 22:15:38,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53abbfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:38, skipping insertion in model container [2024-11-13 22:15:38,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:15:38" (1/1) ... [2024-11-13 22:15:38,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:15:38,390 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_b928871b-d56b-43a9-aaf4-1200b0c9018a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c[1174,1187] [2024-11-13 22:15:39,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:15:39,021 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:15:39,038 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_b928871b-d56b-43a9-aaf4-1200b0c9018a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c[1174,1187] [2024-11-13 22:15:39,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:15:39,321 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:15:39,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39 WrapperNode [2024-11-13 22:15:39,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:15:39,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:15:39,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:15:39,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:15:39,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,642 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2983 [2024-11-13 22:15:39,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:15:39,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:15:39,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:15:39,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:15:39,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:15:39,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:15:39,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:15:39,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:15:39,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:39" (1/1) ... [2024-11-13 22:15:39,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:15:39,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:15:39,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:15:39,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:15:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:15:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:15:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:15:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:15:40,845 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:15:40,847 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:15:47,691 INFO L? ?]: Removed 275 outVars from TransFormulas that were not future-live. [2024-11-13 22:15:47,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:15:47,810 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:15:47,810 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:15:47,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:15:47 BoogieIcfgContainer [2024-11-13 22:15:47,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:15:47,812 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:15:47,812 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:15:47,824 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:15:47,824 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:15:47" (1/1) ... [2024-11-13 22:15:47,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:15:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:15:47,891 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:15:47,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:15:47,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:47,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:47,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:47,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:47,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:15:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:49,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:49,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:15:49,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:49,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:15:50,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:50,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:15:50,328 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:15:50,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:15:50,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:50,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:50,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:50,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:50,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b928871b-d56b-43a9-aaf4-1200b0c9018a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:15:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:52,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:53,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-13 22:15:53,222 INFO L278 TraceCheckSpWp]: Computing forward predicates...