./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk --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 b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:03:24,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:03:24,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:03:24,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:03:24,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:03:24,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:03:24,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:03:24,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:03:24,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:03:24,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:03:24,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:03:24,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:03:24,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:03:24,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:03:24,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:03:24,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:03:24,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:03:24,660 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:03:24,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:03:24,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:03:24,662 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:03:24,662 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:03:24,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:03:24,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:03:24,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:03:24,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:03:24,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:03:24,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:03:24,664 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:03:24,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:03:24,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b [2024-11-08 23:03:24,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:03:24,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:03:24,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:03:24,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:03:24,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:03:24,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:03:26,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:03:27,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:03:27,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2024-11-08 23:03:27,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/data/4c5690051/7e7a31f070cf4686aca3680f8d0d6921/FLAG625734076 [2024-11-08 23:03:27,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/data/4c5690051/7e7a31f070cf4686aca3680f8d0d6921 [2024-11-08 23:03:27,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:03:27,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:03:27,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:27,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:03:27,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:03:27,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:27" (1/1) ... [2024-11-08 23:03:27,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3f495d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:27, skipping insertion in model container [2024-11-08 23:03:27,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:27" (1/1) ... [2024-11-08 23:03:27,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:03:27,932 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_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-11-08 23:03:28,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:28,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:03:28,453 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_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-11-08 23:03:28,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:28,606 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:03:28,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28 WrapperNode [2024-11-08 23:03:28,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:28,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:28,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:03:28,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:03:28,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:28,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,404 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4342 [2024-11-08 23:03:29,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:29,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:03:29,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:03:29,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:03:29,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:03:29,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:03:29,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:03:29,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:03:29,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:28" (1/1) ... [2024-11-08 23:03:29,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:03:29,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:03:29,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:03:30,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:03:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:03:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:03:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:03:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:03:30,462 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:03:30,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:03:36,365 INFO L? ?]: Removed 2368 outVars from TransFormulas that were not future-live. [2024-11-08 23:03:36,365 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:03:44,413 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:03:44,413 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:03:44,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:44 BoogieIcfgContainer [2024-11-08 23:03:44,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:03:44,416 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:03:44,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:03:44,426 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:03:44,427 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:44" (1/1) ... [2024-11-08 23:03:44,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:03:44,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:03:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:03:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:03:44,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:58,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:04:08,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:04:13,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:04:13,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:13,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:04:13,482 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:04:13,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:04:13,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:13,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:04:51,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:05:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:05:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:05:44,172 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) [2024-11-08 23:05:44,181 INFO L158 Benchmark]: Toolchain (without parser) took 136616.83ms. Allocated memory was 151.0MB in the beginning and 3.9GB in the end (delta: 3.8GB). Free memory was 115.0MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 557.9MB. Max. memory is 16.1GB. [2024-11-08 23:05:44,181 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:44,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1041.73ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 88.5MB in the end (delta: 26.6MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-08 23:05:44,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 796.10ms. Allocated memory was 151.0MB in the beginning and 274.7MB in the end (delta: 123.7MB). Free memory was 87.7MB in the beginning and 158.6MB in the end (delta: -70.9MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2024-11-08 23:05:44,192 INFO L158 Benchmark]: Boogie Preprocessor took 503.63ms. Allocated memory is still 274.7MB. Free memory was 158.6MB in the beginning and 142.9MB in the end (delta: 15.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2024-11-08 23:05:44,193 INFO L158 Benchmark]: RCFGBuilder took 14505.32ms. Allocated memory was 274.7MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 142.9MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 632.3MB. Max. memory is 16.1GB. [2024-11-08 23:05:44,194 INFO L158 Benchmark]: CodeCheck took 119764.47ms. Allocated memory was 2.0GB in the beginning and 3.9GB in the end (delta: 2.0GB). Free memory was 1.6GB in the beginning and 3.3GB in the end (delta: -1.7GB). Peak memory consumption was 231.7MB. Max. memory is 16.1GB. [2024-11-08 23:05:44,202 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 0.35ms. Allocated memory is still 104.9MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1041.73ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 88.5MB in the end (delta: 26.6MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 796.10ms. Allocated memory was 151.0MB in the beginning and 274.7MB in the end (delta: 123.7MB). Free memory was 87.7MB in the beginning and 158.6MB in the end (delta: -70.9MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 503.63ms. Allocated memory is still 274.7MB. Free memory was 158.6MB in the beginning and 142.9MB in the end (delta: 15.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * RCFGBuilder took 14505.32ms. Allocated memory was 274.7MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 142.9MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 632.3MB. Max. memory is 16.1GB. * CodeCheck took 119764.47ms. Allocated memory was 2.0GB in the beginning and 3.9GB in the end (delta: 2.0GB). Free memory was 1.6GB in the beginning and 3.3GB in the end (delta: -1.7GB). Peak memory consumption was 231.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:05:44,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk --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 b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:05:47,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:05:47,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:05:47,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:05:47,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:05:47,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:05:47,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:05:47,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:05:47,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:05:47,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:05:47,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:05:47,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:05:47,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:05:47,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:05:47,496 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:05:47,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:05:47,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:05:47,502 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:05:47,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:05:47,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:05:47,503 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:05:47,503 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:05:47,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:05:47,504 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:47,504 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:05:47,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:05:47,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:47,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:05:47,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:05:47,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:05:47,506 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:05:47,506 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:47,507 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:05:47,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b [2024-11-08 23:05:47,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:05:47,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:05:47,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:05:47,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:05:47,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:05:47,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:05:50,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:05:50,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:05:50,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2024-11-08 23:05:50,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/data/eb4e645da/c72412e00de14ed196e4fc9ef8dba334/FLAG3a3debf0b [2024-11-08 23:05:50,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/data/eb4e645da/c72412e00de14ed196e4fc9ef8dba334 [2024-11-08 23:05:50,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:05:50,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:05:50,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:50,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:05:50,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:05:50,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:50" (1/1) ... [2024-11-08 23:05:50,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66835e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:50, skipping insertion in model container [2024-11-08 23:05:50,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:50" (1/1) ... [2024-11-08 23:05:50,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:05:50,866 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_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-11-08 23:05:51,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:51,250 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:05:51,265 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_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-11-08 23:05:51,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:51,472 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:05:51,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51 WrapperNode [2024-11-08 23:05:51,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:51,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:51,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:05:51,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:05:51,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,620 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1422 [2024-11-08 23:05:51,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:51,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:05:51,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:05:51,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:05:51,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:05:51,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:05:51,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:05:51,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:05:51,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:51" (1/1) ... [2024-11-08 23:05:51,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:51,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:05:51,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:05:51,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:05:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:05:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:05:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:05:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:05:52,256 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:05:52,258 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:05:54,666 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-08 23:05:54,666 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:05:54,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:05:54,744 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:05:54,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:54 BoogieIcfgContainer [2024-11-08 23:05:54,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:05:54,745 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:05:54,745 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:05:54,756 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:05:54,756 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:54" (1/1) ... [2024-11-08 23:05:54,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:05:54,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:54,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:05:54,826 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:05:54,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:05:54,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:54,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:54,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:54,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:54,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:05:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:55,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:55,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:05:55,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:05:55,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:05:56,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:05:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:05:56,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:05:56,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:56,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:56,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:56,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:56,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40a03b-8a4f-4ae6-a3b5-1dc5ce4ca1a8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:05:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:57,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:57,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-08 23:05:57,566 INFO L278 TraceCheckSpWp]: Computing forward predicates...