./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.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_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/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_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/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_064d4233-b5d2-4380-a2be-08c3246163c0/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 5a831469c751e448f2212675b250a5c53fd9a8e85d39ceea076c06bc7d533711 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:54:09,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:54:09,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:54:09,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:54:09,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:54:09,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:54:09,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:54:09,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:54:09,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:54:09,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:54:09,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:54:09,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:54:09,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:54:09,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:54:09,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:54:09,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:54:09,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:54:09,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:54:09,337 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:54:09,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:54:09,337 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:54:09,337 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:54:09,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:54:09,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:54:09,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:54:09,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:54:09,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:54:09,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:54:09,338 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:54:09,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:54:09,339 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_064d4233-b5d2-4380-a2be-08c3246163c0/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 -> 5a831469c751e448f2212675b250a5c53fd9a8e85d39ceea076c06bc7d533711 [2024-11-25 02:54:09,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:54:09,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:54:09,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:54:09,639 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:54:09,640 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:54:09,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c [2024-11-25 02:54:12,611 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data/7550747ed/779b2505605840af9a8f8bcdeda99b81/FLAG8344832cc [2024-11-25 02:54:13,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:54:13,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c [2024-11-25 02:54:13,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data/7550747ed/779b2505605840af9a8f8bcdeda99b81/FLAG8344832cc [2024-11-25 02:54:13,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data/7550747ed/779b2505605840af9a8f8bcdeda99b81 [2024-11-25 02:54:13,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:54:13,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:54:13,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:54:13,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:54:13,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:54:13,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:54:13" (1/1) ... [2024-11-25 02:54:13,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c69af92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:13, skipping insertion in model container [2024-11-25 02:54:13,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:54:13" (1/1) ... [2024-11-25 02:54:13,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:54:14,018 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_064d4233-b5d2-4380-a2be-08c3246163c0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c[1176,1189] [2024-11-25 02:54:14,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:14,674 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:54:14,685 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_064d4233-b5d2-4380-a2be-08c3246163c0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c[1176,1189] [2024-11-25 02:54:15,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:15,120 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:54:15,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15 WrapperNode [2024-11-25 02:54:15,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:54:15,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:15,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:54:15,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:54:15,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:15,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:16,480 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11532 [2024-11-25 02:54:16,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:16,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:54:16,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:54:16,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:54:16,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:16,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:16,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:16,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:17,181 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:17,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:17,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:17,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:17,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:17,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:54:17,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:54:17,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:54:17,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:54:17,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:15" (1/1) ... [2024-11-25 02:54:17,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:54:17,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:54:17,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:54:17,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:54:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:54:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:54:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:54:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:54:18,846 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:54:18,849 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:54:41,864 INFO L? ?]: Removed 6345 outVars from TransFormulas that were not future-live. [2024-11-25 02:54:41,864 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:55:03,349 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:55:03,350 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:55:03,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:55:03 BoogieIcfgContainer [2024-11-25 02:55:03,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:55:03,351 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:55:03,351 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:55:03,359 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:55:03,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:55:03" (1/1) ... [2024-11-25 02:55:03,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:55:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:55:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:55:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:55:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:55:03,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:55:03,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:55:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:55:31,250 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 02:55:41,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:55:51,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:55:57,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:56:03,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:56:14,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:56:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:56:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 02:56:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 02:56:14,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:56:14,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:56:14,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:03:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:03:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:03:28,849 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 03:03:28,861 INFO L158 Benchmark]: Toolchain (without parser) took 555169.84ms. Allocated memory was 142.6MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 114.0MB in the beginning and 744.4MB in the end (delta: -630.4MB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-11-25 03:03:28,868 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:03:28,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1431.42ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.0MB in the beginning and 331.8MB in the end (delta: -217.8MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2024-11-25 03:03:28,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 1358.26ms. Allocated memory was 427.8MB in the beginning and 1.1GB in the end (delta: 645.9MB). Free memory was 331.8MB in the beginning and 818.1MB in the end (delta: -486.3MB). Peak memory consumption was 223.0MB. Max. memory is 16.1GB. [2024-11-25 03:03:28,871 INFO L158 Benchmark]: Boogie Preprocessor took 1467.05ms. Allocated memory is still 1.1GB. Free memory was 818.1MB in the beginning and 749.4MB in the end (delta: 68.7MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2024-11-25 03:03:28,876 INFO L158 Benchmark]: RCFGBuilder took 45400.77ms. Allocated memory was 1.1GB in the beginning and 8.0GB in the end (delta: 7.0GB). Free memory was 749.4MB in the beginning and 7.1GB in the end (delta: -6.3GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-25 03:03:28,877 INFO L158 Benchmark]: CodeCheck took 505508.03ms. Allocated memory was 8.0GB in the beginning and 2.8GB in the end (delta: -5.2GB). Free memory was 7.1GB in the beginning and 744.4MB in the end (delta: 6.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-25 03:03:28,882 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 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1431.42ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.0MB in the beginning and 331.8MB in the end (delta: -217.8MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1358.26ms. Allocated memory was 427.8MB in the beginning and 1.1GB in the end (delta: 645.9MB). Free memory was 331.8MB in the beginning and 818.1MB in the end (delta: -486.3MB). Peak memory consumption was 223.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1467.05ms. Allocated memory is still 1.1GB. Free memory was 818.1MB in the beginning and 749.4MB in the end (delta: 68.7MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. * RCFGBuilder took 45400.77ms. Allocated memory was 1.1GB in the beginning and 8.0GB in the end (delta: 7.0GB). Free memory was 749.4MB in the beginning and 7.1GB in the end (delta: -6.3GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * CodeCheck took 505508.03ms. Allocated memory was 8.0GB in the beginning and 2.8GB in the end (delta: -5.2GB). Free memory was 7.1GB in the beginning and 744.4MB in the end (delta: 6.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:03:29,127 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 03:03:29,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/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_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/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_064d4233-b5d2-4380-a2be-08c3246163c0/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 5a831469c751e448f2212675b250a5c53fd9a8e85d39ceea076c06bc7d533711 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:03:32,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:03:32,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:03:32,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:03:32,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:03:32,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:03:32,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:03:32,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:03:32,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:03:32,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:03:32,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:03:32,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:03:32,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:03:32,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:03:32,850 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:03:32,851 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:03:32,851 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:03:32,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:03:32,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:03:32,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:03:32,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:03:32,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:03:32,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:03:32,854 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:03:32,854 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:03:32,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:03:32,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:32,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:03:32,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:03:32,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:03:32,854 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:03:32,855 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:03:32,855 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:03:32,855 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_064d4233-b5d2-4380-a2be-08c3246163c0/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 -> 5a831469c751e448f2212675b250a5c53fd9a8e85d39ceea076c06bc7d533711 [2024-11-25 03:03:33,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:03:33,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:03:33,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:03:33,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:03:33,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:03:33,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c [2024-11-25 03:03:36,579 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data/56fdd7919/cf5a531e9eb24b898f3382755b1e2e51/FLAG50c0298a2 [2024-11-25 03:03:37,014 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:03:37,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c [2024-11-25 03:03:37,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data/56fdd7919/cf5a531e9eb24b898f3382755b1e2e51/FLAG50c0298a2 [2024-11-25 03:03:37,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/data/56fdd7919/cf5a531e9eb24b898f3382755b1e2e51 [2024-11-25 03:03:37,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:03:37,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:03:37,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:37,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:03:37,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:03:37,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:37" (1/1) ... [2024-11-25 03:03:37,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716d889d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:37, skipping insertion in model container [2024-11-25 03:03:37,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:37" (1/1) ... [2024-11-25 03:03:37,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:03:37,501 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_064d4233-b5d2-4380-a2be-08c3246163c0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c[1176,1189] [2024-11-25 03:03:38,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:38,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:03:38,231 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_064d4233-b5d2-4380-a2be-08c3246163c0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c[1176,1189] [2024-11-25 03:03:38,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:38,545 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:03:38,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38 WrapperNode [2024-11-25 03:03:38,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:38,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:38,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:03:38,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:03:38,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,795 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3684 [2024-11-25 03:03:38,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:38,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:03:38,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:03:38,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:03:38,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,992 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:39,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:39,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:39,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:39,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:39,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:03:39,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:03:39,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:03:39,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:03:39,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:39,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:39,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:03:39,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:03:39,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:03:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:03:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:03:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:03:39,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:03:39,902 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:03:39,905 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:03:49,482 INFO L? ?]: Removed 388 outVars from TransFormulas that were not future-live. [2024-11-25 03:03:49,483 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:03:49,618 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:03:49,619 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:03:49,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:49 BoogieIcfgContainer [2024-11-25 03:03:49,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:03:49,620 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:03:49,620 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:03:49,632 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:03:49,632 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:49" (1/1) ... [2024-11-25 03:03:49,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:03:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:03:49,704 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:03:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:03:49,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:49,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:03:49,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:03:49,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:03:49,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:03:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:51,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:03:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:51,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:03:51,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:03:51,725 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 03:03:51,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:03:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:03:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:03:53,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:03:53,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:53,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:03:53,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:03:53,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:03:53,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064d4233-b5d2-4380-a2be-08c3246163c0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:03:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:55,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:03:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:56,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-25 03:03:56,589 INFO L279 TraceCheckSpWp]: Computing forward predicates...