./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/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 68a55bedb3ce5d88048ce2811ac881e3c64e8eae8c5ff4c79791115c2e75ebd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:36:17,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:36:17,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:36:17,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:36:17,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:36:17,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:36:17,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:36:17,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:36:17,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:36:17,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:36:17,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:36:17,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:36:17,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:36:17,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:36:17,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:36:17,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:36:17,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:36:17,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:36:17,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:36:17,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:36:17,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:36:17,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:36:17,251 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:36:17,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:36:17,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:17,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:36:17,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:36:17,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:36:17,253 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:36:17,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:36:17,253 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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/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 -> 68a55bedb3ce5d88048ce2811ac881e3c64e8eae8c5ff4c79791115c2e75ebd9 [2024-11-13 16:36:17,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:36:17,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:36:17,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:36:17,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:36:17,646 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:36:17,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:36:19,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:36:20,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:36:20,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c [2024-11-13 16:36:20,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/data/b1de21757/cbf5e1e163904e97a51947d7923376b3/FLAG27608accd [2024-11-13 16:36:20,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/data/b1de21757/cbf5e1e163904e97a51947d7923376b3 [2024-11-13 16:36:20,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:36:20,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:36:20,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:20,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:36:20,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:36:20,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:20" (1/1) ... [2024-11-13 16:36:20,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0d8579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:20, skipping insertion in model container [2024-11-13 16:36:20,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:20" (1/1) ... [2024-11-13 16:36:20,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:36:20,553 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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c[1174,1187] [2024-11-13 16:36:21,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:21,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:36:21,082 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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c[1174,1187] [2024-11-13 16:36:21,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:21,391 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:36:21,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21 WrapperNode [2024-11-13 16:36:21,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:21,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:21,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:36:21,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:36:21,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:21,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:22,149 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6536 [2024-11-13 16:36:22,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:22,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:36:22,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:36:22,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:36:22,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:22,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:22,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:22,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:22,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:22,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:22,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:23,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:23,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:36:23,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:36:23,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:36:23,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:36:23,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:21" (1/1) ... [2024-11-13 16:36:23,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:23,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:36:23,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:36:23,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:36:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:36:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:36:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:36:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:36:23,947 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:36:23,949 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:36:34,457 INFO L? ?]: Removed 3609 outVars from TransFormulas that were not future-live. [2024-11-13 16:36:34,457 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:36:45,751 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:36:45,751 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:36:45,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:45 BoogieIcfgContainer [2024-11-13 16:36:45,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:36:45,753 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:36:45,753 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:36:45,764 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:36:45,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:45" (1/1) ... [2024-11-13 16:36:45,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:36:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:36:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:36:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:36:45,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:50,847 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 16:37:01,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:37:11,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:37:12,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:37:15,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:37:17,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:37:27,822 WARN L539 Checker$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 16:37:27,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 16:37:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 16:37:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:37:27,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:27,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:12,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:41:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:41:19,542 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 16:41:19,554 INFO L158 Benchmark]: Toolchain (without parser) took 299325.05ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 116.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 707.8MB. Max. memory is 16.1GB. [2024-11-13 16:41:19,555 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:19,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1162.76ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 116.1MB in the beginning and 372.8MB in the end (delta: -256.6MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2024-11-13 16:41:19,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 756.37ms. Allocated memory is still 427.8MB. Free memory was 372.8MB in the beginning and 222.1MB in the end (delta: 150.7MB). Peak memory consumption was 151.0MB. Max. memory is 16.1GB. [2024-11-13 16:41:19,562 INFO L158 Benchmark]: Boogie Preprocessor took 1062.45ms. Allocated memory is still 427.8MB. Free memory was 222.1MB in the beginning and 251.7MB in the end (delta: -29.7MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. [2024-11-13 16:41:19,563 INFO L158 Benchmark]: RCFGBuilder took 22536.83ms. Allocated memory was 427.8MB in the beginning and 3.5GB in the end (delta: 3.1GB). Free memory was 251.7MB in the beginning and 2.5GB in the end (delta: -2.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 16:41:19,563 INFO L158 Benchmark]: CodeCheck took 273800.72ms. Allocated memory was 3.5GB in the beginning and 1.7GB in the end (delta: -1.9GB). Free memory was 2.5GB in the beginning and 1.2GB in the end (delta: 1.3GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:19,573 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 0.47ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1162.76ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 116.1MB in the beginning and 372.8MB in the end (delta: -256.6MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 756.37ms. Allocated memory is still 427.8MB. Free memory was 372.8MB in the beginning and 222.1MB in the end (delta: 150.7MB). Peak memory consumption was 151.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1062.45ms. Allocated memory is still 427.8MB. Free memory was 222.1MB in the beginning and 251.7MB in the end (delta: -29.7MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. * RCFGBuilder took 22536.83ms. Allocated memory was 427.8MB in the beginning and 3.5GB in the end (delta: 3.1GB). Free memory was 251.7MB in the beginning and 2.5GB in the end (delta: -2.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 273800.72ms. Allocated memory was 3.5GB in the beginning and 1.7GB in the end (delta: -1.9GB). Free memory was 2.5GB in the beginning and 1.2GB in the end (delta: 1.3GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:41:19,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/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 68a55bedb3ce5d88048ce2811ac881e3c64e8eae8c5ff4c79791115c2e75ebd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:41:22,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:41:22,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:41:22,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:41:22,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:41:22,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:41:22,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:41:22,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:41:22,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:41:22,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:41:22,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:41:22,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:41:22,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:41:22,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:41:22,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:41:22,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:41:22,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:41:22,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:41:22,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:41:22,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:41:22,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:41:22,724 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:41:22,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:41:22,724 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:22,724 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:41:22,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:41:22,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:22,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:41:22,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:41:22,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:41:22,725 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:41:22,725 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:22,725 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:41:22,725 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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/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 -> 68a55bedb3ce5d88048ce2811ac881e3c64e8eae8c5ff4c79791115c2e75ebd9 [2024-11-13 16:41:23,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:41:23,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:41:23,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:41:23,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:41:23,150 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:41:23,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:41:25,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:41:25,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:41:25,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c [2024-11-13 16:41:25,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/data/b4dbbd3d5/034bfc3a877948e0a2bf0bc31cdc2ad5/FLAG22b3c7a72 [2024-11-13 16:41:26,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/data/b4dbbd3d5/034bfc3a877948e0a2bf0bc31cdc2ad5 [2024-11-13 16:41:26,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:41:26,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:41:26,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:26,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:41:26,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:41:26,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:26" (1/1) ... [2024-11-13 16:41:26,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7ae15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:26, skipping insertion in model container [2024-11-13 16:41:26,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:26" (1/1) ... [2024-11-13 16:41:26,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:41:26,500 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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c[1174,1187] [2024-11-13 16:41:26,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:27,003 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:41:27,016 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_66835d7c-ddf7-4f01-a57f-fec3101ee1af/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c[1174,1187] [2024-11-13 16:41:27,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:27,334 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:41:27,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27 WrapperNode [2024-11-13 16:41:27,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:27,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:27,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:41:27,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:41:27,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,527 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2176 [2024-11-13 16:41:27,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:27,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:41:27,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:41:27,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:41:27,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:41:27,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:41:27,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:41:27,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:41:27,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:27" (1/1) ... [2024-11-13 16:41:27,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:27,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:41:27,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:41:27,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:41:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:41:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:41:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:41:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:41:28,400 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:41:28,402 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:41:32,326 INFO L? ?]: Removed 210 outVars from TransFormulas that were not future-live. [2024-11-13 16:41:32,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:41:32,425 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:41:32,426 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:41:32,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:32 BoogieIcfgContainer [2024-11-13 16:41:32,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:41:32,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:41:32,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:41:32,439 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:41:32,439 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:32" (1/1) ... [2024-11-13 16:41:32,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:41:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:41:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:41:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:41:32,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:32,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:32,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:32,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:32,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:41:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:33,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:41:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:33,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:41:33,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:41:33,871 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 16:41:33,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:41:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:41:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:41:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:41:34,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:34,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:34,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:34,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:34,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66835d7c-ddf7-4f01-a57f-fec3101ee1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:41:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:36,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:41:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:36,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-13 16:41:36,739 INFO L278 TraceCheckSpWp]: Computing forward predicates...