./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/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_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:09:23,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:09:23,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:09:23,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:09:23,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:09:23,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:09:23,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:09:23,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:09:23,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:09:23,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:09:23,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:09:23,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:09:23,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:09:23,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:09:23,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:09:23,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:09:23,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:09:23,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:09:23,459 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:09:23,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:09:23,459 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:09:23,459 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:09:23,459 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:09:23,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:09:23,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:23,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:09:23,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:09:23,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:09:23,460 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:09:23,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:09:23,465 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_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 [2024-11-25 04:09:23,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:09:23,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:09:23,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:09:23,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:09:23,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:09:23,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-11-25 04:09:26,720 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data/5741ee105/8d07fcbe3b0d4d2c8d1600e6031cf5f8/FLAG9a8697750 [2024-11-25 04:09:27,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:09:27,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-11-25 04:09:27,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data/5741ee105/8d07fcbe3b0d4d2c8d1600e6031cf5f8/FLAG9a8697750 [2024-11-25 04:09:27,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data/5741ee105/8d07fcbe3b0d4d2c8d1600e6031cf5f8 [2024-11-25 04:09:27,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:09:27,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:09:27,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:27,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:09:27,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:09:27,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:27" (1/1) ... [2024-11-25 04:09:27,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661b8e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:27, skipping insertion in model container [2024-11-25 04:09:27,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:27" (1/1) ... [2024-11-25 04:09:27,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:09:27,515 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_33656e06-cbd4-4c5c-9177-be3d1dad44ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-11-25 04:09:28,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:28,019 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:09:28,030 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_33656e06-cbd4-4c5c-9177-be3d1dad44ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-11-25 04:09:28,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:28,324 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:09:28,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28 WrapperNode [2024-11-25 04:09:28,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:28,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:28,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:09:28,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:09:28,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:28,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:29,473 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7526 [2024-11-25 04:09:29,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:29,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:09:29,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:09:29,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:09:29,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:29,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:29,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:29,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:30,130 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:30,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:30,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:30,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:30,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:30,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:09:30,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:09:30,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:09:30,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:09:30,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:28" (1/1) ... [2024-11-25 04:09:30,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:30,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:09:30,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:09:30,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:09:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:09:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:09:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:09:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:09:31,197 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:09:31,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:09:42,288 INFO L? ?]: Removed 4154 outVars from TransFormulas that were not future-live. [2024-11-25 04:09:42,288 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:09:57,215 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:09:57,216 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:09:57,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:57 BoogieIcfgContainer [2024-11-25 04:09:57,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:09:57,217 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:09:57,217 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:09:57,231 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:09:57,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:57" (1/1) ... [2024-11-25 04:09:57,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:09:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:09:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:09:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:09:57,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:09:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:09,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:10:19,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:10:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:10:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:10:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:10:19,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:19,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:32,507 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:13:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:13:08,683 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:13:08,688 INFO L158 Benchmark]: Toolchain (without parser) took 221495.06ms. Allocated memory was 117.4MB in the beginning and 4.8GB in the end (delta: 4.7GB). Free memory was 89.7MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 903.4MB. Max. memory is 16.1GB. [2024-11-25 04:13:08,689 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:13:08,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1131.20ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 43.0MB in the end (delta: 46.4MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2024-11-25 04:13:08,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 1146.76ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 42.9MB in the beginning and 76.5MB in the end (delta: -33.6MB). Peak memory consumption was 130.3MB. Max. memory is 16.1GB. [2024-11-25 04:13:08,691 INFO L158 Benchmark]: Boogie Preprocessor took 1054.47ms. Allocated memory was 243.3MB in the beginning and 562.0MB in the end (delta: 318.8MB). Free memory was 76.5MB in the beginning and 341.5MB in the end (delta: -265.0MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-11-25 04:13:08,691 INFO L158 Benchmark]: RCFGBuilder took 26684.68ms. Allocated memory was 562.0MB in the beginning and 2.3GB in the end (delta: 1.7GB). Free memory was 341.2MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-25 04:13:08,692 INFO L158 Benchmark]: CodeCheck took 191470.14ms. Allocated memory was 2.3GB in the beginning and 4.8GB in the end (delta: 2.6GB). Free memory was 1.6GB in the beginning and 3.9GB in the end (delta: -2.3GB). Peak memory consumption was 239.0MB. Max. memory is 16.1GB. [2024-11-25 04:13:08,695 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1131.20ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 43.0MB in the end (delta: 46.4MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1146.76ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 42.9MB in the beginning and 76.5MB in the end (delta: -33.6MB). Peak memory consumption was 130.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1054.47ms. Allocated memory was 243.3MB in the beginning and 562.0MB in the end (delta: 318.8MB). Free memory was 76.5MB in the beginning and 341.5MB in the end (delta: -265.0MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * RCFGBuilder took 26684.68ms. Allocated memory was 562.0MB in the beginning and 2.3GB in the end (delta: 1.7GB). Free memory was 341.2MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 191470.14ms. Allocated memory was 2.3GB in the beginning and 4.8GB in the end (delta: 2.6GB). Free memory was 1.6GB in the beginning and 3.9GB in the end (delta: -2.3GB). Peak memory consumption was 239.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:13:08,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/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_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:13:11,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:13:11,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:13:11,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:13:11,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:13:11,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:13:11,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:13:11,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:13:11,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:13:11,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:13:11,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:13:11,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:13:11,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:13:11,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:13:11,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:13:11,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:13:11,899 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:13:11,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:13:11,899 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:13:11,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:13:11,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:13:11,899 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:13:11,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:13:11,900 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:11,902 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:13:11,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:13:11,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:13:11,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:13:11,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:13:11,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:13:11,904 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:13:11,904 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:11,904 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:13:11,904 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_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 [2024-11-25 04:13:12,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:13:12,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:13:12,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:13:12,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:13:12,273 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:13:12,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-11-25 04:13:15,519 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data/a50dbc31f/a63126cc67614cbf80d8cd28252709ae/FLAG8be1bec93 [2024-11-25 04:13:16,076 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:13:16,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-11-25 04:13:16,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data/a50dbc31f/a63126cc67614cbf80d8cd28252709ae/FLAG8be1bec93 [2024-11-25 04:13:16,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/data/a50dbc31f/a63126cc67614cbf80d8cd28252709ae [2024-11-25 04:13:16,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:13:16,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:13:16,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:13:16,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:13:16,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:13:16,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:13:16" (1/1) ... [2024-11-25 04:13:16,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be50740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:16, skipping insertion in model container [2024-11-25 04:13:16,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:13:16" (1/1) ... [2024-11-25 04:13:16,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:13:16,482 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_33656e06-cbd4-4c5c-9177-be3d1dad44ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-11-25 04:13:16,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:13:16,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:13:16,906 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_33656e06-cbd4-4c5c-9177-be3d1dad44ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-11-25 04:13:17,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:13:17,097 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:13:17,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17 WrapperNode [2024-11-25 04:13:17,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:13:17,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:13:17,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:13:17,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:13:17,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,276 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2158 [2024-11-25 04:13:17,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:13:17,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:13:17,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:13:17,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:13:17,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,357 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:13:17,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:13:17,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:13:17,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:13:17,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:17" (1/1) ... [2024-11-25 04:13:17,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:13:17,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:13:17,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:13:17,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:13:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:13:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:13:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:13:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:13:18,135 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:13:18,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:13:21,040 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-25 04:13:21,041 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:13:21,145 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:13:21,146 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:13:21,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:13:21 BoogieIcfgContainer [2024-11-25 04:13:21,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:13:21,147 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:13:21,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:13:21,157 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:13:21,157 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:13:21" (1/1) ... [2024-11-25 04:13:21,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:13:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:13:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:13:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:13:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:13:21,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:13:21,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:21,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:13:21,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:13:21,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:13:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:22,021 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:13:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:22,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:13:22,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:13:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:13:22,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:13:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:13:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:13:22,505 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:13:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:13:22,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:13:22,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:22,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:13:22,508 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:13:22,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33656e06-cbd4-4c5c-9177-be3d1dad44ff/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:13:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:23,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:13:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:23,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:13:23,993 INFO L279 TraceCheckSpWp]: Computing forward predicates...