./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.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_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/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_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/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_b8621b82-8997-4da5-b93f-6b59b790dd97/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 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:59:26,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:59:27,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:59:27,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:59:27,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:59:27,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:59:27,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:59:27,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:59:27,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:59:27,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:59:27,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:59:27,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:59:27,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:59:27,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:59:27,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:59:27,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:59:27,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:59:27,099 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:59:27,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:59:27,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:59:27,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:59:27,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:59:27,099 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:59:27,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:59:27,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:27,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:59:27,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:59:27,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:59:27,100 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:59:27,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:59:27,100 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_b8621b82-8997-4da5-b93f-6b59b790dd97/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 -> 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f [2024-11-13 22:59:27,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:59:27,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:59:27,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:59:27,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:59:27,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:59:27,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c Unable to find full path for "g++" [2024-11-13 22:59:29,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:59:30,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:59:30,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-11-13 22:59:30,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/data/eced5fbaf/145778b2e01b46a69224822bdd5e81a1/FLAGa29d2d96a [2024-11-13 22:59:30,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/data/eced5fbaf/145778b2e01b46a69224822bdd5e81a1 [2024-11-13 22:59:30,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:59:30,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:59:30,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:30,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:59:30,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:59:30,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:30" (1/1) ... [2024-11-13 22:59:30,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a08d795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:30, skipping insertion in model container [2024-11-13 22:59:30,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:30" (1/1) ... [2024-11-13 22:59:30,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:59:31,117 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_b8621b82-8997-4da5-b93f-6b59b790dd97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-11-13 22:59:31,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:31,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:59:31,795 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_b8621b82-8997-4da5-b93f-6b59b790dd97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-11-13 22:59:32,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:32,068 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:59:32,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32 WrapperNode [2024-11-13 22:59:32,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:32,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:32,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:59:32,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:59:32,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:32,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:33,498 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10415 [2024-11-13 22:59:33,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:33,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:59:33,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:59:33,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:59:33,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:33,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:33,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:33,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:34,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:34,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:34,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:34,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:35,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:59:35,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:59:35,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:59:35,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:59:35,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:32" (1/1) ... [2024-11-13 22:59:35,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:35,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:59:35,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:59:35,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:59:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:59:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:59:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:59:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:59:35,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:59:35,919 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:59:52,705 INFO L? ?]: Removed 5610 outVars from TransFormulas that were not future-live. [2024-11-13 22:59:52,705 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:00:15,231 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:00:15,232 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:00:15,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:00:15 BoogieIcfgContainer [2024-11-13 23:00:15,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:00:15,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:00:15,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:00:15,240 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:00:15,240 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:00:15" (1/1) ... [2024-11-13 23:00:15,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:00:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:00:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:00:15,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:00:15,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:15,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:18,926 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 23:00:29,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:00:39,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:00:40,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:40,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 23:00:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 23:00:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:00:40,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:40,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:04:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:04:40,826 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 23:04:40,832 INFO L158 Benchmark]: Toolchain (without parser) took 310047.53ms. Allocated memory was 117.4MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 88.5MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2024-11-13 23:04:40,833 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:04:40,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1282.99ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 39.0MB in the end (delta: 49.5MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. [2024-11-13 23:04:40,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 1435.42ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 39.0MB in the beginning and 569.2MB in the end (delta: -530.2MB). Peak memory consumption was 183.9MB. Max. memory is 16.1GB. [2024-11-13 23:04:40,838 INFO L158 Benchmark]: Boogie Preprocessor took 1511.32ms. Allocated memory was 780.1MB in the beginning and 645.9MB in the end (delta: -134.2MB). Free memory was 569.2MB in the beginning and 391.5MB in the end (delta: 177.7MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2024-11-13 23:04:40,838 INFO L158 Benchmark]: RCFGBuilder took 40213.09ms. Allocated memory was 645.9MB in the beginning and 6.4GB in the end (delta: 5.7GB). Free memory was 391.5MB in the beginning and 5.8GB in the end (delta: -5.4GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-13 23:04:40,841 INFO L158 Benchmark]: CodeCheck took 265598.75ms. Allocated memory is still 6.4GB. Free memory was 5.8GB in the beginning and 3.2GB in the end (delta: 2.6GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-11-13 23:04:40,843 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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1282.99ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 39.0MB in the end (delta: 49.5MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1435.42ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 39.0MB in the beginning and 569.2MB in the end (delta: -530.2MB). Peak memory consumption was 183.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1511.32ms. Allocated memory was 780.1MB in the beginning and 645.9MB in the end (delta: -134.2MB). Free memory was 569.2MB in the beginning and 391.5MB in the end (delta: 177.7MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * RCFGBuilder took 40213.09ms. Allocated memory was 645.9MB in the beginning and 6.4GB in the end (delta: 5.7GB). Free memory was 391.5MB in the beginning and 5.8GB in the end (delta: -5.4GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * CodeCheck took 265598.75ms. Allocated memory is still 6.4GB. Free memory was 5.8GB in the beginning and 3.2GB in the end (delta: 2.6GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:04:41,053 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 23:04:41,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/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_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/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_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/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_b8621b82-8997-4da5-b93f-6b59b790dd97/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 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:04:43,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:04:43,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 23:04:44,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:04:44,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:04:44,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:04:44,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:04:44,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:04:44,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:04:44,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:04:44,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:04:44,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:04:44,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:04:44,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:04:44,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:04:44,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:04:44,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:04:44,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:04:44,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:04:44,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:04:44,004 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:04:44,004 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:04:44,004 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:04:44,004 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:44,005 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:04:44,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:04:44,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:04:44,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:04:44,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:04:44,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:04:44,005 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:04:44,005 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:44,005 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:04:44,007 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_b8621b82-8997-4da5-b93f-6b59b790dd97/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 -> 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f [2024-11-13 23:04:44,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:04:44,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:04:44,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:04:44,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:04:44,358 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:04:44,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c Unable to find full path for "g++" [2024-11-13 23:04:46,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:04:46,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:04:46,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-11-13 23:04:46,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/data/ed95be7d8/cdca8eff0dec45c1a71bbd0a4205576f/FLAGc3d522de8 [2024-11-13 23:04:46,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/data/ed95be7d8/cdca8eff0dec45c1a71bbd0a4205576f [2024-11-13 23:04:46,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:04:46,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:04:46,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:04:46,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:04:46,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:04:46,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:04:46" (1/1) ... [2024-11-13 23:04:46,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8761df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:46, skipping insertion in model container [2024-11-13 23:04:46,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:04:46" (1/1) ... [2024-11-13 23:04:46,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:04:47,215 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_b8621b82-8997-4da5-b93f-6b59b790dd97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-11-13 23:04:47,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:04:47,693 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:04:47,701 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_b8621b82-8997-4da5-b93f-6b59b790dd97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-11-13 23:04:47,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:04:47,927 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:04:47,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47 WrapperNode [2024-11-13 23:04:47,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:04:47,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:04:47,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:04:47,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:04:47,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:47,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,187 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2791 [2024-11-13 23:04:48,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:04:48,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:04:48,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:04:48,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:04:48,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:04:48,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:04:48,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:04:48,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:04:48,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:04:47" (1/1) ... [2024-11-13 23:04:48,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:04:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:04:48,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:04:48,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:04:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:04:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:04:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:04:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:04:49,072 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:04:49,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:04:55,838 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-13 23:04:55,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:04:55,942 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:04:55,942 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:04:55,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:04:55 BoogieIcfgContainer [2024-11-13 23:04:55,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:04:55,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:04:55,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:04:55,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:04:55,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:04:55" (1/1) ... [2024-11-13 23:04:55,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:04:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:56,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:04:56,010 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:04:56,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:04:56,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:56,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:56,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:56,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:56,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:04:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:56,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:57,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:04:57,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:57,400 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 23:04:57,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:05:04,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.66s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:05:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 23:05:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 23:05:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:05:04,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:04,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:04,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:05:04,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:05:04,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8621b82-8997-4da5-b93f-6b59b790dd97/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:05:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:06,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:05:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:07,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:05:07,585 INFO L278 TraceCheckSpWp]: Computing forward predicates...