./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.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_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/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_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/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_956e7300-470c-4eec-a3af-8159f4548854/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 49bdae3a1421cfc965f164a218ed986b2b6f9d01744522b1ba1eb712ae58ab3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:19:16,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:19:16,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:19:16,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:19:16,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:19:16,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:19:16,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:19:16,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:19:16,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:19:16,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:19:16,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:19:16,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:19:16,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:19:16,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:19:16,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:19:16,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:19:16,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:19:16,966 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:19:16,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:19:16,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:19:16,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:19:16,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:19:16,966 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:19:16,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:19:16,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:16,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:19:16,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:19:16,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:19:16,967 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:19:16,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:19:16,967 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_956e7300-470c-4eec-a3af-8159f4548854/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 -> 49bdae3a1421cfc965f164a218ed986b2b6f9d01744522b1ba1eb712ae58ab3a [2024-11-13 22:19:17,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:19:17,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:19:17,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:19:17,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:19:17,310 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:19:17,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:19:19,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:19:19,648 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:19:19,649 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c [2024-11-13 22:19:19,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/data/1fa18c104/49dae301c9e142999419d4321fa531c8/FLAGaa2b934ee [2024-11-13 22:19:19,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/data/1fa18c104/49dae301c9e142999419d4321fa531c8 [2024-11-13 22:19:19,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:19:19,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:19:19,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:19,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:19:19,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:19:19,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:19" (1/1) ... [2024-11-13 22:19:19,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e516f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:19, skipping insertion in model container [2024-11-13 22:19:19,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:19" (1/1) ... [2024-11-13 22:19:19,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:19:20,004 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_956e7300-470c-4eec-a3af-8159f4548854/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1174,1187] [2024-11-13 22:19:20,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:20,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:19:20,710 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_956e7300-470c-4eec-a3af-8159f4548854/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1174,1187] [2024-11-13 22:19:21,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:21,095 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:19:21,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21 WrapperNode [2024-11-13 22:19:21,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:21,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:21,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:19:21,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:19:21,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:21,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:22,493 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8783 [2024-11-13 22:19:22,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:22,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:19:22,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:19:22,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:19:22,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:22,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:22,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:22,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:23,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:23,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:23,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:23,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:23,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:19:23,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:19:23,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:19:23,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:19:23,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:21" (1/1) ... [2024-11-13 22:19:23,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:23,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:19:23,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:19:23,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:19:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:19:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:19:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:19:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:19:24,639 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:19:24,641 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:19:38,893 INFO L? ?]: Removed 4900 outVars from TransFormulas that were not future-live. [2024-11-13 22:19:38,893 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:19:55,892 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:19:55,893 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:19:55,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:55 BoogieIcfgContainer [2024-11-13 22:19:55,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:19:55,895 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:19:55,895 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:19:55,908 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:19:55,908 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:19:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:19:55,989 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:19:55,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:19:55,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:55,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:14,900 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 22:20:25,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:35,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:37,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:42,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:53,572 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 22:20:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:20:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:20:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:20:53,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:53,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:24:50,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:28:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:28:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:28:12,655 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 22:28:12,659 INFO L158 Benchmark]: Toolchain (without parser) took 532956.17ms. Allocated memory was 142.6MB in the beginning and 5.8GB in the end (delta: 5.7GB). Free memory was 115.1MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 22:28:12,660 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:28:12,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1392.69ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 75.5MB in the end (delta: 39.3MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. [2024-11-13 22:28:12,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 1395.52ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 75.5MB in the beginning and 159.7MB in the end (delta: -84.2MB). Peak memory consumption was 170.3MB. Max. memory is 16.1GB. [2024-11-13 22:28:12,663 INFO L158 Benchmark]: Boogie Preprocessor took 1190.06ms. Allocated memory is still 360.7MB. Free memory was 159.7MB in the beginning and 133.2MB in the end (delta: 26.5MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. [2024-11-13 22:28:12,664 INFO L158 Benchmark]: RCFGBuilder took 32202.88ms. Allocated memory was 360.7MB in the beginning and 3.3GB in the end (delta: 2.9GB). Free memory was 132.7MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 22:28:12,665 INFO L158 Benchmark]: CodeCheck took 496763.85ms. Allocated memory was 3.3GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.2GB in the beginning and 4.8GB in the end (delta: -2.5GB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-11-13 22:28:12,668 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 1.10ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1392.69ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 75.5MB in the end (delta: 39.3MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1395.52ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 75.5MB in the beginning and 159.7MB in the end (delta: -84.2MB). Peak memory consumption was 170.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1190.06ms. Allocated memory is still 360.7MB. Free memory was 159.7MB in the beginning and 133.2MB in the end (delta: 26.5MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. * RCFGBuilder took 32202.88ms. Allocated memory was 360.7MB in the beginning and 3.3GB in the end (delta: 2.9GB). Free memory was 132.7MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 496763.85ms. Allocated memory was 3.3GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.2GB in the beginning and 4.8GB in the end (delta: -2.5GB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:28:12,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/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_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/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_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/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_956e7300-470c-4eec-a3af-8159f4548854/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 49bdae3a1421cfc965f164a218ed986b2b6f9d01744522b1ba1eb712ae58ab3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:28:15,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:28:15,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:28:15,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:28:15,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:28:15,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:28:15,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:28:15,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:28:15,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:28:15,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:28:15,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:28:15,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:28:15,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:28:15,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:28:15,735 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:28:15,735 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:28:15,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:28:15,736 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:28:15,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:28:15,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:28:15,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:28:15,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:28:15,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:28:15,737 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:15,737 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:28:15,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:28:15,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:28:15,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:28:15,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:28:15,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:28:15,738 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:28:15,738 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:15,738 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:28:15,738 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_956e7300-470c-4eec-a3af-8159f4548854/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 -> 49bdae3a1421cfc965f164a218ed986b2b6f9d01744522b1ba1eb712ae58ab3a [2024-11-13 22:28:16,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:28:16,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:28:16,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:28:16,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:28:16,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:28:16,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:28:17,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:28:18,460 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:28:18,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c [2024-11-13 22:28:18,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/data/1aad2b81e/34bab34db1b848c8b3113becc5e3323c/FLAG52153784f [2024-11-13 22:28:18,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/data/1aad2b81e/34bab34db1b848c8b3113becc5e3323c [2024-11-13 22:28:18,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:28:18,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:28:18,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:28:18,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:28:18,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:28:18,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:28:18" (1/1) ... [2024-11-13 22:28:18,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786144e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:18, skipping insertion in model container [2024-11-13 22:28:18,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:28:18" (1/1) ... [2024-11-13 22:28:18,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:28:18,911 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_956e7300-470c-4eec-a3af-8159f4548854/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1174,1187] [2024-11-13 22:28:19,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:28:19,488 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:28:19,503 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_956e7300-470c-4eec-a3af-8159f4548854/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1174,1187] [2024-11-13 22:28:19,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:28:19,797 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:28:19,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19 WrapperNode [2024-11-13 22:28:19,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:28:19,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:28:19,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:28:19,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:28:19,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:19,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,007 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2983 [2024-11-13 22:28:20,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:28:20,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:28:20,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:28:20,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:28:20,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:28:20,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:28:20,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:28:20,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:28:20,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:28:19" (1/1) ... [2024-11-13 22:28:20,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:28:20,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:28:20,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:28:20,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:28:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:28:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:28:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:28:20,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:28:20,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:28:20,912 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:28:26,623 INFO L? ?]: Removed 275 outVars from TransFormulas that were not future-live. [2024-11-13 22:28:26,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:28:26,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:28:26,727 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:28:26,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:28:26 BoogieIcfgContainer [2024-11-13 22:28:26,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:28:26,729 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:28:26,729 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:28:26,739 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:28:26,739 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:28:26" (1/1) ... [2024-11-13 22:28:26,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:28:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:28:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:28:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:28:26,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:26,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:26,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:26,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:26,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:28:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:27,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:28,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:28:28,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:28,310 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 22:28:28,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:28:28,777 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:28:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:28:28,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:28,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:28,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:28,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:28,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956e7300-470c-4eec-a3af-8159f4548854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:28:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:30,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:31,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-13 22:28:31,297 INFO L278 TraceCheckSpWp]: Computing forward predicates...