./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.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_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/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_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/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_d7618279-640a-46b0-864f-3b45fadc0df3/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 149e8aeaf7687bf8d6329d25e6f069c02d9785f07d8b8d9763c1cf067593c4ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:22:48,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:22:48,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:22:48,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:22:48,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:22:48,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:22:48,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:22:48,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:22:48,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:22:48,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:22:48,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:22:48,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:22:48,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:22:48,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:22:48,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:22:48,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:22:48,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:22:48,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:22:48,994 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:22:48,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:22:48,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:22:48,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:22:48,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:22:48,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:22:48,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:22:48,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:22:48,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:22:48,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:22:48,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:22:48,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:22:48,997 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_d7618279-640a-46b0-864f-3b45fadc0df3/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 -> 149e8aeaf7687bf8d6329d25e6f069c02d9785f07d8b8d9763c1cf067593c4ca [2024-11-25 02:22:49,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:22:49,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:22:49,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:22:49,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:22:49,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:22:49,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c [2024-11-25 02:22:52,602 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data/35d040cb3/d337d0b2d0f14e20a96bdb3ae3540bbe/FLAG152b59ef0 [2024-11-25 02:22:53,142 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:22:53,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c [2024-11-25 02:22:53,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data/35d040cb3/d337d0b2d0f14e20a96bdb3ae3540bbe/FLAG152b59ef0 [2024-11-25 02:22:53,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data/35d040cb3/d337d0b2d0f14e20a96bdb3ae3540bbe [2024-11-25 02:22:53,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:22:53,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:22:53,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:22:53,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:22:53,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:22:53,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:22:53" (1/1) ... [2024-11-25 02:22:53,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2091f8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:53, skipping insertion in model container [2024-11-25 02:22:53,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:22:53" (1/1) ... [2024-11-25 02:22:53,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:22:53,992 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_d7618279-640a-46b0-864f-3b45fadc0df3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c[1175,1188] [2024-11-25 02:22:54,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:22:54,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:22:54,777 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_d7618279-640a-46b0-864f-3b45fadc0df3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c[1175,1188] [2024-11-25 02:22:55,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:22:55,104 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:22:55,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55 WrapperNode [2024-11-25 02:22:55,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:22:55,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:22:55,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:22:55,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:22:55,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:55,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:56,425 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7891 [2024-11-25 02:22:56,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:22:56,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:22:56,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:22:56,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:22:56,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:56,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:56,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:56,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:57,582 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:57,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:57,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:57,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:57,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:58,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:22:58,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:22:58,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:22:58,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:22:58,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:22:55" (1/1) ... [2024-11-25 02:22:58,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:22:58,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:22:58,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:22:58,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:22:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:22:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:22:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:22:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:22:59,068 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:22:59,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:23:10,564 INFO L? ?]: Removed 4411 outVars from TransFormulas that were not future-live. [2024-11-25 02:23:10,565 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:23:26,817 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:23:26,818 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:23:26,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:23:26 BoogieIcfgContainer [2024-11-25 02:23:26,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:23:26,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:23:26,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:23:26,831 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:23:26,832 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:23:26" (1/1) ... [2024-11-25 02:23:26,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:23:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:23:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:23:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:23:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:23:26,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:23:26,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:23:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:23:29,657 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 02:23:40,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:23:50,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:23:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:23:50,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 02:23:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 02:23:50,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:23:50,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:23:50,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:25:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:25:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:25:46,405 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 02:25:46,416 INFO L158 Benchmark]: Toolchain (without parser) took 172734.67ms. Allocated memory was 117.4MB in the beginning and 6.0GB in the end (delta: 5.8GB). Free memory was 89.2MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 02:25:46,417 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:25:46,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1426.78ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 36.3MB in the end (delta: 52.7MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2024-11-25 02:25:46,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 1324.18ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 36.3MB in the beginning and 83.2MB in the end (delta: -46.9MB). Peak memory consumption was 149.1MB. Max. memory is 16.1GB. [2024-11-25 02:25:46,418 INFO L158 Benchmark]: Boogie Preprocessor took 1710.71ms. Allocated memory was 251.7MB in the beginning and 620.8MB in the end (delta: 369.1MB). Free memory was 83.2MB in the beginning and 398.4MB in the end (delta: -315.2MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-11-25 02:25:46,419 INFO L158 Benchmark]: RCFGBuilder took 28674.92ms. Allocated memory was 620.8MB in the beginning and 2.4GB in the end (delta: 1.8GB). Free memory was 398.4MB in the beginning and 1.7GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 02:25:46,420 INFO L158 Benchmark]: CodeCheck took 139590.29ms. Allocated memory was 2.4GB in the beginning and 6.0GB in the end (delta: 3.5GB). Free memory was 1.7GB in the beginning and 4.5GB in the end (delta: -2.8GB). Peak memory consumption was 753.1MB. Max. memory is 16.1GB. [2024-11-25 02:25:46,424 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 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1426.78ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 36.3MB in the end (delta: 52.7MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1324.18ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 36.3MB in the beginning and 83.2MB in the end (delta: -46.9MB). Peak memory consumption was 149.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1710.71ms. Allocated memory was 251.7MB in the beginning and 620.8MB in the end (delta: 369.1MB). Free memory was 83.2MB in the beginning and 398.4MB in the end (delta: -315.2MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * RCFGBuilder took 28674.92ms. Allocated memory was 620.8MB in the beginning and 2.4GB in the end (delta: 1.8GB). Free memory was 398.4MB in the beginning and 1.7GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 139590.29ms. Allocated memory was 2.4GB in the beginning and 6.0GB in the end (delta: 3.5GB). Free memory was 1.7GB in the beginning and 4.5GB in the end (delta: -2.8GB). Peak memory consumption was 753.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:25:46,637 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 02:25:46,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/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_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/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_d7618279-640a-46b0-864f-3b45fadc0df3/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 149e8aeaf7687bf8d6329d25e6f069c02d9785f07d8b8d9763c1cf067593c4ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:25:50,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:25:50,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:25:50,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:25:50,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:25:50,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:25:50,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:25:50,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:25:50,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:25:50,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:25:50,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:25:50,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:25:50,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:25:50,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:25:50,322 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:25:50,322 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:25:50,322 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:25:50,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:25:50,322 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:25:50,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:25:50,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:25:50,322 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:25:50,322 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:25:50,323 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:50,323 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:25:50,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:25:50,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:25:50,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:25:50,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:25:50,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:25:50,323 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:25:50,323 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:50,323 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:25:50,324 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_d7618279-640a-46b0-864f-3b45fadc0df3/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 -> 149e8aeaf7687bf8d6329d25e6f069c02d9785f07d8b8d9763c1cf067593c4ca [2024-11-25 02:25:50,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:25:50,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:25:50,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:25:50,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:25:50,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:25:50,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c [2024-11-25 02:25:54,461 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data/e84d7301d/b50bb98c60b046dbaec096e6d95101e2/FLAG1c9d79dab [2024-11-25 02:25:54,949 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:25:54,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c [2024-11-25 02:25:54,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data/e84d7301d/b50bb98c60b046dbaec096e6d95101e2/FLAG1c9d79dab [2024-11-25 02:25:55,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/data/e84d7301d/b50bb98c60b046dbaec096e6d95101e2 [2024-11-25 02:25:55,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:25:55,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:25:55,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:25:55,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:25:55,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:25:55,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:25:55" (1/1) ... [2024-11-25 02:25:55,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57814e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:55, skipping insertion in model container [2024-11-25 02:25:55,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:25:55" (1/1) ... [2024-11-25 02:25:55,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:25:55,421 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_d7618279-640a-46b0-864f-3b45fadc0df3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c[1175,1188] [2024-11-25 02:25:55,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:25:55,970 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:25:55,982 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_d7618279-640a-46b0-864f-3b45fadc0df3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-func-interl.c[1175,1188] [2024-11-25 02:25:56,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:25:56,296 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:25:56,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56 WrapperNode [2024-11-25 02:25:56,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:25:56,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:25:56,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:25:56,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:25:56,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,553 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2411 [2024-11-25 02:25:56,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:25:56,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:25:56,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:25:56,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:25:56,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,649 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:25:56,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:25:56,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:25:56,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:25:56,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:56" (1/1) ... [2024-11-25 02:25:56,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:25:56,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:25:56,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:25:56,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:25:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:25:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:25:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:25:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:25:57,577 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:25:57,580 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:26:01,564 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-25 02:26:01,565 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:26:01,696 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:26:01,697 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:26:01,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:26:01 BoogieIcfgContainer [2024-11-25 02:26:01,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:26:01,700 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:26:01,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:26:01,719 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:26:01,719 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:26:01" (1/1) ... [2024-11-25 02:26:01,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:26:01,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:26:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:26:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:26:01,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:01,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:01,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:01,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:01,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:26:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:02,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:03,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:26:03,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:03,186 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 02:26:03,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:26:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:26:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:26:03,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:26:03,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:03,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:03,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:03,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:03,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7618279-640a-46b0-864f-3b45fadc0df3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:26:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:05,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:05,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:26:05,736 INFO L279 TraceCheckSpWp]: Computing forward predicates...