./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-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_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/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_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/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_4689ce17-de52-4ffb-be2b-3236ab3f2420/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 d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:56:23,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:56:23,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:56:23,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:56:23,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:56:23,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:56:23,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:56:23,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:56:23,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:56:23,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:56:23,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:56:23,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:56:23,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:56:23,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:56:23,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:56:23,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:56:23,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:56:23,453 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:56:23,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:56:23,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:56:23,456 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:56:23,456 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:56:23,456 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:56:23,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:56:23,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:56:23,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:56:23,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:56:23,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:56:23,457 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:56:23,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:56:23,457 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_4689ce17-de52-4ffb-be2b-3236ab3f2420/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 -> d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 [2024-11-13 16:56:23,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:56:23,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:56:23,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:56:23,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:56:23,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:56:23,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 16:56:25,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:56:26,109 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:56:26,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-11-13 16:56:26,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/data/664b0d274/25a72cab8211466c9c6587abb3f07190/FLAGc48a265a8 [2024-11-13 16:56:26,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/data/664b0d274/25a72cab8211466c9c6587abb3f07190 [2024-11-13 16:56:26,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:56:26,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:56:26,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:56:26,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:56:26,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:56:26,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:56:26" (1/1) ... [2024-11-13 16:56:26,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fa68ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:26, skipping insertion in model container [2024-11-13 16:56:26,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:56:26" (1/1) ... [2024-11-13 16:56:26,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:56:26,488 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_4689ce17-de52-4ffb-be2b-3236ab3f2420/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-11-13 16:56:26,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:56:27,001 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:56:27,012 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_4689ce17-de52-4ffb-be2b-3236ab3f2420/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-11-13 16:56:27,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:56:27,354 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:56:27,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27 WrapperNode [2024-11-13 16:56:27,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:56:27,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:56:27,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:56:27,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:56:27,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:27,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:28,315 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7526 [2024-11-13 16:56:28,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:56:28,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:56:28,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:56:28,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:56:28,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:28,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:28,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:28,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:29,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:29,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:29,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:29,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:29,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:56:29,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:56:29,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:56:29,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:56:29,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:56:27" (1/1) ... [2024-11-13 16:56:29,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:56:29,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:56:29,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:56:29,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:56:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:56:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:56:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:56:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:56:30,489 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:56:30,491 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:56:40,912 INFO L? ?]: Removed 4154 outVars from TransFormulas that were not future-live. [2024-11-13 16:56:40,912 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:56:55,281 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:56:55,281 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:56:55,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:56:55 BoogieIcfgContainer [2024-11-13 16:56:55,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:56:55,283 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:56:55,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:56:55,293 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:56:55,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:56:55" (1/1) ... [2024-11-13 16:56:55,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:56:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:56:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:56:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:56:55,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:55,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:57,228 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 16:57:07,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:57:17,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:57:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:17,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 16:57:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 16:57:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:57:17,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:17,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:30,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:59:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 17:00:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:00:05,655 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 17:00:05,661 INFO L158 Benchmark]: Toolchain (without parser) took 219487.94ms. Allocated memory was 117.4MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 90.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-13 17:00:05,661 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:00:05,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1179.64ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 90.4MB in the beginning and 63.7MB in the end (delta: 26.8MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-11-13 17:00:05,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 960.48ms. Allocated memory was 125.8MB in the beginning and 285.2MB in the end (delta: 159.4MB). Free memory was 63.7MB in the beginning and 107.7MB in the end (delta: -44.1MB). Peak memory consumption was 156.6MB. Max. memory is 16.1GB. [2024-11-13 17:00:05,666 INFO L158 Benchmark]: Boogie Preprocessor took 1174.37ms. Allocated memory is still 285.2MB. Free memory was 107.7MB in the beginning and 64.9MB in the end (delta: 42.8MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2024-11-13 17:00:05,667 INFO L158 Benchmark]: RCFGBuilder took 25786.08ms. Allocated memory was 285.2MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 64.9MB in the beginning and 2.9GB in the end (delta: -2.9GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-11-13 17:00:05,668 INFO L158 Benchmark]: CodeCheck took 190376.91ms. Allocated memory is still 3.4GB. Free memory was 2.9GB in the beginning and 1.2GB in the end (delta: 1.8GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-11-13 17:00:05,670 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 0.27ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1179.64ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 90.4MB in the beginning and 63.7MB in the end (delta: 26.8MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 960.48ms. Allocated memory was 125.8MB in the beginning and 285.2MB in the end (delta: 159.4MB). Free memory was 63.7MB in the beginning and 107.7MB in the end (delta: -44.1MB). Peak memory consumption was 156.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1174.37ms. Allocated memory is still 285.2MB. Free memory was 107.7MB in the beginning and 64.9MB in the end (delta: 42.8MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * RCFGBuilder took 25786.08ms. Allocated memory was 285.2MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 64.9MB in the beginning and 2.9GB in the end (delta: -2.9GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * CodeCheck took 190376.91ms. Allocated memory is still 3.4GB. Free memory was 2.9GB in the beginning and 1.2GB in the end (delta: 1.8GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 17:00:05,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/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_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/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_4689ce17-de52-4ffb-be2b-3236ab3f2420/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 d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 17:00:08,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 17:00:08,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 17:00:08,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 17:00:08,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 17:00:08,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 17:00:08,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 17:00:08,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 17:00:08,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 17:00:08,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 17:00:08,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 17:00:08,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 17:00:08,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 17:00:08,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 17:00:08,489 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 17:00:08,489 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 17:00:08,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 17:00:08,489 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 17:00:08,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 17:00:08,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 17:00:08,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 17:00:08,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 17:00:08,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 17:00:08,490 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:08,490 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 17:00:08,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 17:00:08,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 17:00:08,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 17:00:08,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 17:00:08,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 17:00:08,490 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 17:00:08,490 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:08,491 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 17:00:08,491 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_4689ce17-de52-4ffb-be2b-3236ab3f2420/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 -> d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 [2024-11-13 17:00:08,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 17:00:08,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 17:00:08,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 17:00:08,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 17:00:08,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 17:00:08,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 17:00:10,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 17:00:11,276 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 17:00:11,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-11-13 17:00:11,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/data/5f2f9a22d/270c8f881f3d4676ab74509530c9e34b/FLAGe5e823abf [2024-11-13 17:00:11,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/data/5f2f9a22d/270c8f881f3d4676ab74509530c9e34b [2024-11-13 17:00:11,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 17:00:11,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 17:00:11,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 17:00:11,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 17:00:11,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 17:00:11,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:00:11" (1/1) ... [2024-11-13 17:00:11,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10172b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:11, skipping insertion in model container [2024-11-13 17:00:11,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:00:11" (1/1) ... [2024-11-13 17:00:11,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 17:00:11,602 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_4689ce17-de52-4ffb-be2b-3236ab3f2420/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-11-13 17:00:12,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 17:00:12,028 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 17:00:12,039 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_4689ce17-de52-4ffb-be2b-3236ab3f2420/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-11-13 17:00:12,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 17:00:12,242 INFO L204 MainTranslator]: Completed translation [2024-11-13 17:00:12,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12 WrapperNode [2024-11-13 17:00:12,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 17:00:12,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 17:00:12,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 17:00:12,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 17:00:12,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,434 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2158 [2024-11-13 17:00:12,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 17:00:12,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 17:00:12,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 17:00:12,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 17:00:12,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 17:00:12,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 17:00:12,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 17:00:12,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 17:00:12,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:00:12" (1/1) ... [2024-11-13 17:00:12,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 17:00:12,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 17:00:12,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 17:00:12,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 17:00:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 17:00:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 17:00:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 17:00:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 17:00:13,253 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 17:00:13,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 17:00:16,185 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-13 17:00:16,185 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 17:00:16,305 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 17:00:16,306 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 17:00:16,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:00:16 BoogieIcfgContainer [2024-11-13 17:00:16,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 17:00:16,307 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 17:00:16,307 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 17:00:16,317 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 17:00:16,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:00:16" (1/1) ... [2024-11-13 17:00:16,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 17:00:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:16,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 17:00:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 17:00:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 17:00:16,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:16,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:16,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:16,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:16,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 17:00:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:17,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:17,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 17:00:17,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:17,463 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 17:00:17,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 17:00:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 17:00:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 17:00:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 17:00:17,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:17,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:17,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:17,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:17,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4689ce17-de52-4ffb-be2b-3236ab3f2420/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 17:00:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:18,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:19,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 17:00:19,258 INFO L278 TraceCheckSpWp]: Computing forward predicates...