./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/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 34d28cdfa9c3493fa2c2c97ce825bfba88118df6a3a4bf56f032f12a5062039a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:32:46,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:32:46,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:32:46,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:32:46,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:32:46,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:32:46,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:32:46,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:32:46,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:32:46,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:32:46,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:32:46,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:32:46,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:32:46,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:32:46,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:32:46,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:32:46,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:32:46,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:32:46,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:32:46,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:32:46,650 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:32:46,650 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:32:46,650 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:32:46,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:32:46,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:46,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:32:46,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:32:46,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:32:46,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:32:46,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:32:46,652 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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/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 -> 34d28cdfa9c3493fa2c2c97ce825bfba88118df6a3a4bf56f032f12a5062039a [2024-11-13 21:32:46,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:32:46,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:32:46,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:32:46,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:32:46,980 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:32:46,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:32:48,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:32:49,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:32:49,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-11-13 21:32:49,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/data/8bf985865/b04525f973db45d8917199d6cccdb411/FLAG3fe5f1824 [2024-11-13 21:32:49,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/data/8bf985865/b04525f973db45d8917199d6cccdb411 [2024-11-13 21:32:49,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:32:49,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:32:49,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:49,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:32:49,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:32:49,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:49" (1/1) ... [2024-11-13 21:32:49,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea110a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:49, skipping insertion in model container [2024-11-13 21:32:49,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:49" (1/1) ... [2024-11-13 21:32:49,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:32:49,633 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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-11-13 21:32:50,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:50,107 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:32:50,116 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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-11-13 21:32:50,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:50,351 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:32:50,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50 WrapperNode [2024-11-13 21:32:50,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:50,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:50,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:32:50,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:32:50,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:50,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:50,958 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5276 [2024-11-13 21:32:50,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:50,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:32:50,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:32:50,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:32:50,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:50,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:51,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:51,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:51,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:51,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:51,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:51,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:51,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:32:51,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:32:51,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:32:51,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:32:51,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:50" (1/1) ... [2024-11-13 21:32:51,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:51,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:32:51,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:32:51,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:32:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:32:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:32:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:32:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:32:52,206 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:32:52,208 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:32:59,422 INFO L? ?]: Removed 3043 outVars from TransFormulas that were not future-live. [2024-11-13 21:32:59,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:33:07,128 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:33:07,128 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:33:07,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:07 BoogieIcfgContainer [2024-11-13 21:33:07,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:33:07,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:33:07,130 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:33:07,143 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:33:07,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:07" (1/1) ... [2024-11-13 21:33:07,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:33:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:33:07,218 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:33:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:33:07,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:07,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:11,951 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 21:33:22,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:32,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:34,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:36,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:46,708 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 21:33:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:33:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:33:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:33:46,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:46,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:34:53,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:35:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:36:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:36:05,523 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 21:36:05,527 INFO L158 Benchmark]: Toolchain (without parser) took 196179.27ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 115.8MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 683.3MB. Max. memory is 16.1GB. [2024-11-13 21:36:05,528 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:36:05,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1002.45ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 82.1MB in the end (delta: 33.7MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2024-11-13 21:36:05,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 606.98ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 82.1MB in the beginning and 280.6MB in the end (delta: -198.5MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2024-11-13 21:36:05,534 INFO L158 Benchmark]: Boogie Preprocessor took 701.34ms. Allocated memory is still 427.8MB. Free memory was 280.6MB in the beginning and 295.0MB in the end (delta: -14.4MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2024-11-13 21:36:05,535 INFO L158 Benchmark]: RCFGBuilder took 15466.34ms. Allocated memory was 427.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 295.0MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 946.0MB. Max. memory is 16.1GB. [2024-11-13 21:36:05,535 INFO L158 Benchmark]: CodeCheck took 178396.84ms. Allocated memory is still 2.2GB. Free memory was 1.9GB in the beginning and 1.5GB in the end (delta: 349.1MB). Peak memory consumption was 353.2MB. Max. memory is 16.1GB. [2024-11-13 21:36:05,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1002.45ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 82.1MB in the end (delta: 33.7MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 606.98ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 82.1MB in the beginning and 280.6MB in the end (delta: -198.5MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 701.34ms. Allocated memory is still 427.8MB. Free memory was 280.6MB in the beginning and 295.0MB in the end (delta: -14.4MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. * RCFGBuilder took 15466.34ms. Allocated memory was 427.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 295.0MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 946.0MB. Max. memory is 16.1GB. * CodeCheck took 178396.84ms. Allocated memory is still 2.2GB. Free memory was 1.9GB in the beginning and 1.5GB in the end (delta: 349.1MB). Peak memory consumption was 353.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:36:05,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/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 34d28cdfa9c3493fa2c2c97ce825bfba88118df6a3a4bf56f032f12a5062039a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:36:08,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:36:08,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:36:08,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:36:08,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:36:08,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:36:08,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:36:08,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:36:08,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:36:08,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:36:08,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:36:08,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:36:08,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:36:08,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:36:08,471 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:36:08,471 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:36:08,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:36:08,471 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:36:08,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:36:08,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:36:08,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:36:08,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:36:08,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:36:08,472 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:36:08,473 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:36:08,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:36:08,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:36:08,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:36:08,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:36:08,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:36:08,474 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:36:08,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:36:08,474 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:36:08,474 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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/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 -> 34d28cdfa9c3493fa2c2c97ce825bfba88118df6a3a4bf56f032f12a5062039a [2024-11-13 21:36:08,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:36:08,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:36:08,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:36:08,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:36:08,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:36:08,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:36:10,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:36:11,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:36:11,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-11-13 21:36:11,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/data/6a88ea681/36d2f131817e4775b75c6da76e626c67/FLAGcf92bbe5a [2024-11-13 21:36:11,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/data/6a88ea681/36d2f131817e4775b75c6da76e626c67 [2024-11-13 21:36:11,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:36:11,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:36:11,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:36:11,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:36:11,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:36:11,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:36:11" (1/1) ... [2024-11-13 21:36:11,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bdf976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:11, skipping insertion in model container [2024-11-13 21:36:11,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:36:11" (1/1) ... [2024-11-13 21:36:11,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:36:11,815 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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-11-13 21:36:12,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:36:12,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:36:12,240 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_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-11-13 21:36:12,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:36:12,482 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:36:12,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12 WrapperNode [2024-11-13 21:36:12,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:36:12,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:36:12,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:36:12,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:36:12,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,683 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2028 [2024-11-13 21:36:12,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:36:12,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:36:12,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:36:12,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:36:12,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:36:12,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:36:12,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:36:12,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:36:12,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:12" (1/1) ... [2024-11-13 21:36:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:36:12,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:36:12,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:36:12,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:36:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:36:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:36:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:36:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:36:13,407 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:36:13,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:36:16,549 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2024-11-13 21:36:16,550 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:36:16,639 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:36:16,640 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:36:16,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:36:16 BoogieIcfgContainer [2024-11-13 21:36:16,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:36:16,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:36:16,641 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:36:16,651 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:36:16,651 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:36:16" (1/1) ... [2024-11-13 21:36:16,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:36:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:36:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:36:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:36:16,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:16,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:36:16,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:36:16,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:36:16,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:36:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:17,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:36:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:17,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:36:17,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:36:17,975 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 21:36:17,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:36:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:36:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:36:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:36:18,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:18,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:36:18,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:36:18,286 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:36:18,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ef0a-3323-4c6d-84d7-563f10978bc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:36:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:19,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:36:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:20,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-13 21:36:20,374 INFO L278 TraceCheckSpWp]: Computing forward predicates...