./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7521b491abbe5a6b7fa6d30ec935f0006cdd615d68e8b3a4ffef62543c2c6e11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:22:00,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:22:00,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:22:00,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:22:00,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:22:00,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:22:00,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:22:00,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:22:00,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:22:00,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:22:00,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:22:00,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:22:00,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:22:00,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:22:00,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:22:00,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:22:00,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:22:00,380 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:22:00,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:22:00,380 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:22:00,380 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:22:00,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:22:00,381 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:22:00,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:22:00,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:00,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:22:00,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:22:00,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:22:00,381 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:22:00,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:22:00,381 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_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7521b491abbe5a6b7fa6d30ec935f0006cdd615d68e8b3a4ffef62543c2c6e11 [2024-11-13 22:22:00,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:22:00,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:22:00,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:22:00,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:22:00,714 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:22:00,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:22:02,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:22:02,977 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:22:02,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c [2024-11-13 22:22:02,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/data/cc00671a6/20cc5f73850b48f989ff1cd80a88fed5/FLAGfec3c7a71 [2024-11-13 22:22:03,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/data/cc00671a6/20cc5f73850b48f989ff1cd80a88fed5 [2024-11-13 22:22:03,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:22:03,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:22:03,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:03,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:22:03,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:22:03,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:03,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e83053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03, skipping insertion in model container [2024-11-13 22:22:03,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:03,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:22:03,331 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_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1177,1190] [2024-11-13 22:22:03,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:03,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:22:03,795 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_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1177,1190] [2024-11-13 22:22:03,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:03,992 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:22:03,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03 WrapperNode [2024-11-13 22:22:03,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:03,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:03,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:22:03,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:22:04,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:04,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:04,876 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5691 [2024-11-13 22:22:04,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:04,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:22:04,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:22:04,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:22:04,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:04,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:05,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:05,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:05,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:05,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:05,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:05,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:05,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:22:05,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:22:05,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:22:05,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:22:05,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:03" (1/1) ... [2024-11-13 22:22:05,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:05,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:22:05,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:22:05,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:22:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:22:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:22:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:22:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:22:06,264 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:22:06,266 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:22:15,262 INFO L? ?]: Removed 3054 outVars from TransFormulas that were not future-live. [2024-11-13 22:22:15,262 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:22:26,507 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:22:26,508 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:22:26,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:26 BoogieIcfgContainer [2024-11-13 22:22:26,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:22:26,509 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:22:26,509 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:22:26,521 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:22:26,521 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:26" (1/1) ... [2024-11-13 22:22:26,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:22:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:22:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:22:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:22:26,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:26,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:42,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:22:52,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:22:53,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:23:05,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:23:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:23:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:23:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:23:05,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:05,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:24:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:24:26,756 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:24:26,761 INFO L158 Benchmark]: Toolchain (without parser) took 143744.56ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 116.8MB in the beginning and 879.3MB in the end (delta: -762.5MB). Peak memory consumption was 827.5MB. Max. memory is 16.1GB. [2024-11-13 22:24:26,761 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:24:26,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 975.09ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 46.0MB in the end (delta: 70.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 22:24:26,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 883.18ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 46.0MB in the beginning and 38.8MB in the end (delta: 7.2MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2024-11-13 22:24:26,763 INFO L158 Benchmark]: Boogie Preprocessor took 755.40ms. Allocated memory was 159.4MB in the beginning and 419.4MB in the end (delta: 260.0MB). Free memory was 38.6MB in the beginning and 267.8MB in the end (delta: -229.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-11-13 22:24:26,764 INFO L158 Benchmark]: RCFGBuilder took 20874.87ms. Allocated memory was 419.4MB in the beginning and 813.7MB in the end (delta: 394.3MB). Free memory was 267.8MB in the beginning and 297.2MB in the end (delta: -29.4MB). Peak memory consumption was 581.6MB. Max. memory is 16.1GB. [2024-11-13 22:24:26,765 INFO L158 Benchmark]: CodeCheck took 120250.83ms. Allocated memory was 813.7MB in the beginning and 1.7GB in the end (delta: 914.4MB). Free memory was 297.2MB in the beginning and 879.3MB in the end (delta: -582.1MB). Peak memory consumption was 336.4MB. Max. memory is 16.1GB. [2024-11-13 22:24:26,767 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 0.28ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 975.09ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 46.0MB in the end (delta: 70.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 883.18ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 46.0MB in the beginning and 38.8MB in the end (delta: 7.2MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 755.40ms. Allocated memory was 159.4MB in the beginning and 419.4MB in the end (delta: 260.0MB). Free memory was 38.6MB in the beginning and 267.8MB in the end (delta: -229.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * RCFGBuilder took 20874.87ms. Allocated memory was 419.4MB in the beginning and 813.7MB in the end (delta: 394.3MB). Free memory was 267.8MB in the beginning and 297.2MB in the end (delta: -29.4MB). Peak memory consumption was 581.6MB. Max. memory is 16.1GB. * CodeCheck took 120250.83ms. Allocated memory was 813.7MB in the beginning and 1.7GB in the end (delta: 914.4MB). Free memory was 297.2MB in the beginning and 879.3MB in the end (delta: -582.1MB). Peak memory consumption was 336.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:24:26,978 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:24:27,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/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_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7521b491abbe5a6b7fa6d30ec935f0006cdd615d68e8b3a4ffef62543c2c6e11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:24:29,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:24:29,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:24:29,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:24:29,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:24:29,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:24:29,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:24:29,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:24:29,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:24:29,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:24:29,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:24:29,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:24:29,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:24:29,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:24:29,790 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:24:29,790 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:24:29,790 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:24:29,790 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:24:29,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:24:29,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:24:29,791 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:24:29,791 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:24:29,791 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:24:29,791 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:29,791 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:24:29,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:24:29,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:29,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:24:29,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:24:29,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:24:29,792 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:24:29,792 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:29,792 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:24:29,792 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_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7521b491abbe5a6b7fa6d30ec935f0006cdd615d68e8b3a4ffef62543c2c6e11 [2024-11-13 22:24:30,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:24:30,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:24:30,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:24:30,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:24:30,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:24:30,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:24:32,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:24:32,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:24:32,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c [2024-11-13 22:24:32,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/data/c54b8da79/50a932b7081d472992b92c617d64ec08/FLAG640a6521b [2024-11-13 22:24:32,769 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/data/c54b8da79/50a932b7081d472992b92c617d64ec08 [2024-11-13 22:24:32,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:24:32,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:24:32,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:32,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:24:32,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:24:32,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:32" (1/1) ... [2024-11-13 22:24:32,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708c489b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:32, skipping insertion in model container [2024-11-13 22:24:32,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:32" (1/1) ... [2024-11-13 22:24:32,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:24:33,095 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_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1177,1190] [2024-11-13 22:24:33,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:33,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:24:33,568 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_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1177,1190] [2024-11-13 22:24:33,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:33,797 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:24:33,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33 WrapperNode [2024-11-13 22:24:33,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:33,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:33,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:24:33,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:24:33,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:33,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:33,971 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1755 [2024-11-13 22:24:33,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:33,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:24:33,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:24:33,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:24:33,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:33,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:34,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:34,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:34,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:34,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:34,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:34,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:34,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:24:34,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:24:34,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:24:34,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:24:34,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:33" (1/1) ... [2024-11-13 22:24:34,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:34,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:24:34,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:24:34,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:24:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:24:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:24:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:24:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:24:34,617 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:24:34,618 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:24:37,329 INFO L? ?]: Removed 211 outVars from TransFormulas that were not future-live. [2024-11-13 22:24:37,330 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:24:37,430 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:24:37,431 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:24:37,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:37 BoogieIcfgContainer [2024-11-13 22:24:37,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:24:37,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:24:37,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:24:37,447 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:24:37,448 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:37" (1/1) ... [2024-11-13 22:24:37,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:24:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:24:37,514 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:24:37,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:24:37,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:37,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:37,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:37,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:37,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:24:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:38,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:24:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:38,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:24:38,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:38,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:24:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:24:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:24:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:24:39,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:39,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:39,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:39,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:39,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee5bfa8-34e1-41bd-bb4a-7653844f1996/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:24:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:40,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:24:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:41,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 22:24:41,206 INFO L278 TraceCheckSpWp]: Computing forward predicates...