./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3 --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 cd3452a3a8c4399ef5897b3dce2de1e5d5910f13bdc194cf79184b2c11e98ffc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:23:57,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:23:57,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:23:57,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:23:57,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:23:57,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:23:57,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:23:57,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:23:57,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:23:57,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:23:57,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:23:57,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:23:57,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:23:57,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:23:57,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:23:57,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:23:57,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:23:57,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:23:57,261 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:23:57,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:23:57,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:23:57,261 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:23:57,261 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:23:57,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:23:57,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:23:57,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:23:57,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:23:57,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:23:57,262 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:23:57,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:23:57,263 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_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3 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 -> cd3452a3a8c4399ef5897b3dce2de1e5d5910f13bdc194cf79184b2c11e98ffc [2024-11-25 04:23:57,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:23:57,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:23:57,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:23:57,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:23:57,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:23:57,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c [2024-11-25 04:24:00,675 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data/d2241e863/cfcf1211817a4a28b7ad4f5ce91708a0/FLAG8e44ff15f [2024-11-25 04:24:01,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:24:01,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c [2024-11-25 04:24:01,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data/d2241e863/cfcf1211817a4a28b7ad4f5ce91708a0/FLAG8e44ff15f [2024-11-25 04:24:01,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data/d2241e863/cfcf1211817a4a28b7ad4f5ce91708a0 [2024-11-25 04:24:01,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:24:01,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:24:01,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:24:01,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:24:01,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:24:01,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:24:01" (1/1) ... [2024-11-25 04:24:01,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fe699e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:01, skipping insertion in model container [2024-11-25 04:24:01,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:24:01" (1/1) ... [2024-11-25 04:24:01,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:24:01,633 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_deccc1de-03b2-4f72-99b3-9970661f8973/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c[1185,1198] [2024-11-25 04:24:02,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:24:02,218 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:24:02,227 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_deccc1de-03b2-4f72-99b3-9970661f8973/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c[1185,1198] [2024-11-25 04:24:02,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:24:02,501 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:24:02,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02 WrapperNode [2024-11-25 04:24:02,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:24:02,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:24:02,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:24:02,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:24:02,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:02,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:03,447 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7090 [2024-11-25 04:24:03,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:24:03,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:24:03,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:24:03,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:24:03,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:03,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:03,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:03,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:04,105 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:04,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:04,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:04,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:04,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:04,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:24:04,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:24:04,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:24:04,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:24:04,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:02" (1/1) ... [2024-11-25 04:24:04,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:24:04,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:24:04,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:24:04,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:24:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:24:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:24:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:24:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:24:05,211 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:24:05,213 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:24:15,231 INFO L? ?]: Removed 4109 outVars from TransFormulas that were not future-live. [2024-11-25 04:24:15,231 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:24:27,348 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:24:27,348 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:24:27,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:24:27 BoogieIcfgContainer [2024-11-25 04:24:27,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:24:27,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:24:27,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:24:27,360 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:24:27,360 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:24:27" (1/1) ... [2024-11-25 04:24:27,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:24:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:24:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:24:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:24:27,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:27,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:24:43,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:24:53,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:24:56,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:24:58,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:00,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:10,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:10,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:25:10,672 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:25:10,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:25:10,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:10,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:27:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:27:28,201 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:29:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:29:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:29:59,552 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) [2024-11-25 04:29:59,564 INFO L158 Benchmark]: Toolchain (without parser) took 358299.46ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 88.0MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 605.1MB. Max. memory is 16.1GB. [2024-11-25 04:29:59,567 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:59,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1236.35ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 88.0MB in the beginning and 91.6MB in the end (delta: -3.6MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2024-11-25 04:29:59,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 944.86ms. Allocated memory was 176.2MB in the beginning and 528.5MB in the end (delta: 352.3MB). Free memory was 91.6MB in the beginning and 382.0MB in the end (delta: -290.4MB). Peak memory consumption was 155.1MB. Max. memory is 16.1GB. [2024-11-25 04:29:59,569 INFO L158 Benchmark]: Boogie Preprocessor took 966.16ms. Allocated memory was 528.5MB in the beginning and 503.3MB in the end (delta: -25.2MB). Free memory was 382.0MB in the beginning and 310.8MB in the end (delta: 71.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-25 04:29:59,570 INFO L158 Benchmark]: RCFGBuilder took 22933.02ms. Allocated memory was 503.3MB in the beginning and 981.5MB in the end (delta: 478.2MB). Free memory was 310.8MB in the beginning and 408.0MB in the end (delta: -97.2MB). Peak memory consumption was 923.8MB. Max. memory is 16.1GB. [2024-11-25 04:29:59,571 INFO L158 Benchmark]: CodeCheck took 332212.26ms. Allocated memory was 981.5MB in the beginning and 2.1GB in the end (delta: 1.1GB). Free memory was 408.0MB in the beginning and 1.5GB in the end (delta: -1.0GB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-11-25 04:29:59,579 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1236.35ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 88.0MB in the beginning and 91.6MB in the end (delta: -3.6MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 944.86ms. Allocated memory was 176.2MB in the beginning and 528.5MB in the end (delta: 352.3MB). Free memory was 91.6MB in the beginning and 382.0MB in the end (delta: -290.4MB). Peak memory consumption was 155.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 966.16ms. Allocated memory was 528.5MB in the beginning and 503.3MB in the end (delta: -25.2MB). Free memory was 382.0MB in the beginning and 310.8MB in the end (delta: 71.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * RCFGBuilder took 22933.02ms. Allocated memory was 503.3MB in the beginning and 981.5MB in the end (delta: 478.2MB). Free memory was 310.8MB in the beginning and 408.0MB in the end (delta: -97.2MB). Peak memory consumption was 923.8MB. Max. memory is 16.1GB. * CodeCheck took 332212.26ms. Allocated memory was 981.5MB in the beginning and 2.1GB in the end (delta: 1.1GB). Free memory was 408.0MB in the beginning and 1.5GB in the end (delta: -1.0GB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:29:59,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/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_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3 --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 cd3452a3a8c4399ef5897b3dce2de1e5d5910f13bdc194cf79184b2c11e98ffc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:30:02,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:30:02,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:30:02,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:30:02,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:30:02,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:30:02,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:30:02,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:30:02,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:30:02,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:30:02,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:30:02,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:30:02,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:30:02,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:30:02,454 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:30:02,455 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:30:02,465 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:30:02,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:30:02,465 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:30:02,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:30:02,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:30:02,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:30:02,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:30:02,466 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:02,466 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:30:02,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:30:02,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:30:02,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:30:02,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:30:02,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:30:02,467 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:30:02,467 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:02,467 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:30:02,467 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_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3 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 -> cd3452a3a8c4399ef5897b3dce2de1e5d5910f13bdc194cf79184b2c11e98ffc [2024-11-25 04:30:02,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:30:02,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:30:02,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:30:02,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:30:02,769 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:30:02,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c [2024-11-25 04:30:05,829 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data/303abda34/7913e321ef664750932199f74f2c000b/FLAGa6e4139ea [2024-11-25 04:30:06,267 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:30:06,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c [2024-11-25 04:30:06,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data/303abda34/7913e321ef664750932199f74f2c000b/FLAGa6e4139ea [2024-11-25 04:30:06,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/data/303abda34/7913e321ef664750932199f74f2c000b [2024-11-25 04:30:06,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:30:06,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:30:06,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:30:06,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:30:06,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:30:06,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:30:06" (1/1) ... [2024-11-25 04:30:06,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca9f3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:06, skipping insertion in model container [2024-11-25 04:30:06,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:30:06" (1/1) ... [2024-11-25 04:30:06,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:30:06,645 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_deccc1de-03b2-4f72-99b3-9970661f8973/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c[1185,1198] [2024-11-25 04:30:07,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:30:07,211 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:30:07,222 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_deccc1de-03b2-4f72-99b3-9970661f8973/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c[1185,1198] [2024-11-25 04:30:07,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:30:07,454 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:30:07,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07 WrapperNode [2024-11-25 04:30:07,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:30:07,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:30:07,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:30:07,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:30:07,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,650 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2722 [2024-11-25 04:30:07,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:30:07,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:30:07,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:30:07,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:30:07,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,758 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:30:07,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:30:07,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:30:07,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:30:07,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:07" (1/1) ... [2024-11-25 04:30:07,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:30:07,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:30:07,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:30:07,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:30:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:30:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:30:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:30:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:30:08,552 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:30:08,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:30:13,023 INFO L? ?]: Removed 319 outVars from TransFormulas that were not future-live. [2024-11-25 04:30:13,023 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:30:13,126 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:30:13,126 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:30:13,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:30:13 BoogieIcfgContainer [2024-11-25 04:30:13,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:30:13,128 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:30:13,128 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:30:13,138 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:30:13,138 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:30:13" (1/1) ... [2024-11-25 04:30:13,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:30:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:30:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:30:13,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:30:13,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:13,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:13,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:13,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:13,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:30:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:14,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:14,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:30:14,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:14,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:30:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:30:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:30:15,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:15,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:15,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:15,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:15,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deccc1de-03b2-4f72-99b3-9970661f8973/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:30:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:17,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:17,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-25 04:30:17,874 INFO L279 TraceCheckSpWp]: Computing forward predicates...