./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-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_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/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_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/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_862eb262-7e1a-4624-aafb-6de93ed70764/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 07b25515f9f485db73d9b242640240f6a3679bf4d0906c832a31c1bff0f3c408 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:15:44,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:15:45,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 05:15:45,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:15:45,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:15:45,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:15:45,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:15:45,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:15:45,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:15:45,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:15:45,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:15:45,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:15:45,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:15:45,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:15:45,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:15:45,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:15:45,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:15:45,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:15:45,082 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:15:45,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:15:45,082 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:15:45,083 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:15:45,083 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:15:45,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:15:45,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:15:45,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:15:45,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:15:45,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:15:45,084 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:15:45,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:15:45,084 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_862eb262-7e1a-4624-aafb-6de93ed70764/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 -> 07b25515f9f485db73d9b242640240f6a3679bf4d0906c832a31c1bff0f3c408 [2024-11-25 05:15:45,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:15:45,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:15:45,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:15:45,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:15:45,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:15:45,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c [2024-11-25 05:15:48,513 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data/6ed984cf7/7fbede883d7f44cf99e6c0aa94b573eb/FLAGfb94227cd [2024-11-25 05:15:48,933 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:15:48,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c [2024-11-25 05:15:48,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data/6ed984cf7/7fbede883d7f44cf99e6c0aa94b573eb/FLAGfb94227cd [2024-11-25 05:15:48,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data/6ed984cf7/7fbede883d7f44cf99e6c0aa94b573eb [2024-11-25 05:15:48,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:15:48,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:15:48,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:15:48,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:15:48,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:15:48,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:15:48" (1/1) ... [2024-11-25 05:15:48,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582c294d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:48, skipping insertion in model container [2024-11-25 05:15:48,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:15:48" (1/1) ... [2024-11-25 05:15:49,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:15:49,244 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_862eb262-7e1a-4624-aafb-6de93ed70764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c[1171,1184] [2024-11-25 05:15:49,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:15:49,791 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:15:49,798 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_862eb262-7e1a-4624-aafb-6de93ed70764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c[1171,1184] [2024-11-25 05:15:50,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:15:50,174 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:15:50,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50 WrapperNode [2024-11-25 05:15:50,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:15:50,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:15:50,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:15:50,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:15:50,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:50,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:51,642 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9299 [2024-11-25 05:15:51,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:15:51,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:15:51,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:15:51,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:15:51,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:51,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:51,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:51,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:52,465 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:52,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:52,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:52,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:52,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:52,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:15:52,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:15:52,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:15:52,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:15:52,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:50" (1/1) ... [2024-11-25 05:15:52,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:15:52,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:15:52,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:15:52,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:15:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:15:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:15:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:15:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:15:53,716 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:15:53,718 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:16:07,429 INFO L? ?]: Removed 5123 outVars from TransFormulas that were not future-live. [2024-11-25 05:16:07,429 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:16:27,282 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:16:27,283 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:16:27,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:16:27 BoogieIcfgContainer [2024-11-25 05:16:27,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:16:27,284 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:16:27,284 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:16:27,295 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:16:27,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:16:27" (1/1) ... [2024-11-25 05:16:27,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:16:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:16:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:16:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:16:27,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:31,100 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 05:16:42,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:16:52,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:16:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 05:16:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 05:16:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:16:53,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:53,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:19:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:19:10,585 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 05:19:10,591 INFO L158 Benchmark]: Toolchain (without parser) took 201609.88ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 113.2MB in the beginning and 331.0MB in the end (delta: -217.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 05:19:10,592 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:19:10,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1192.00ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 60.8MB in the end (delta: 52.4MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. [2024-11-25 05:19:10,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 1467.03ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 60.8MB in the beginning and 134.0MB in the end (delta: -73.2MB). Peak memory consumption was 178.9MB. Max. memory is 16.1GB. [2024-11-25 05:19:10,598 INFO L158 Benchmark]: Boogie Preprocessor took 1296.86ms. Allocated memory was 310.4MB in the beginning and 645.9MB in the end (delta: 335.5MB). Free memory was 134.0MB in the beginning and 416.5MB in the end (delta: -282.5MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-11-25 05:19:10,598 INFO L158 Benchmark]: RCFGBuilder took 34340.93ms. Allocated memory was 645.9MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 416.5MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-25 05:19:10,602 INFO L158 Benchmark]: CodeCheck took 163305.34ms. Allocated memory was 2.6GB in the beginning and 1.7GB in the end (delta: -847.2MB). Free memory was 1.8GB in the beginning and 331.0MB in the end (delta: 1.4GB). Peak memory consumption was 587.4MB. Max. memory is 16.1GB. [2024-11-25 05:19:10,610 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 0.23ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1192.00ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 60.8MB in the end (delta: 52.4MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1467.03ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 60.8MB in the beginning and 134.0MB in the end (delta: -73.2MB). Peak memory consumption was 178.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1296.86ms. Allocated memory was 310.4MB in the beginning and 645.9MB in the end (delta: 335.5MB). Free memory was 134.0MB in the beginning and 416.5MB in the end (delta: -282.5MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * RCFGBuilder took 34340.93ms. Allocated memory was 645.9MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 416.5MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 163305.34ms. Allocated memory was 2.6GB in the beginning and 1.7GB in the end (delta: -847.2MB). Free memory was 1.8GB in the beginning and 331.0MB in the end (delta: 1.4GB). Peak memory consumption was 587.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:19:10,830 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 05:19:10,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/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_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/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_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/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_862eb262-7e1a-4624-aafb-6de93ed70764/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 07b25515f9f485db73d9b242640240f6a3679bf4d0906c832a31c1bff0f3c408 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:19:13,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:19:13,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 05:19:13,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:19:13,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:19:13,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:19:13,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:19:13,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:19:13,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:19:13,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:19:13,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:19:13,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:19:13,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:19:13,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:19:13,669 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:19:13,669 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:19:13,669 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:19:13,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:19:13,670 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:19:13,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:19:13,670 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:19:13,670 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:19:13,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:19:13,670 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:19:13,670 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:19:13,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:19:13,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:19:13,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:19:13,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:19:13,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:19:13,671 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:19:13,671 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:19:13,671 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:19:13,671 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_862eb262-7e1a-4624-aafb-6de93ed70764/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 -> 07b25515f9f485db73d9b242640240f6a3679bf4d0906c832a31c1bff0f3c408 [2024-11-25 05:19:13,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:19:13,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:19:13,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:19:13,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:19:13,980 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:19:13,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c [2024-11-25 05:19:17,039 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data/5825cdaaf/23388017ac724998826f36d6121c7cd0/FLAG9a393bfff [2024-11-25 05:19:17,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:19:17,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c [2024-11-25 05:19:17,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data/5825cdaaf/23388017ac724998826f36d6121c7cd0/FLAG9a393bfff [2024-11-25 05:19:17,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/data/5825cdaaf/23388017ac724998826f36d6121c7cd0 [2024-11-25 05:19:17,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:19:17,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:19:17,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:19:17,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:19:17,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:19:17,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:17" (1/1) ... [2024-11-25 05:19:17,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7b2a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:17, skipping insertion in model container [2024-11-25 05:19:17,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:17" (1/1) ... [2024-11-25 05:19:17,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:19:17,973 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_862eb262-7e1a-4624-aafb-6de93ed70764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c[1171,1184] [2024-11-25 05:19:18,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:19:18,502 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:19:18,524 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_862eb262-7e1a-4624-aafb-6de93ed70764/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-func-interl.c[1171,1184] [2024-11-25 05:19:18,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:19:18,784 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:19:18,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18 WrapperNode [2024-11-25 05:19:18,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:19:18,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:19:18,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:19:18,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:19:18,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:18,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,016 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2659 [2024-11-25 05:19:19,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:19:19,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:19:19,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:19:19,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:19:19,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:19:19,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:19:19,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:19:19,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:19:19,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:18" (1/1) ... [2024-11-25 05:19:19,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:19:19,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:19:19,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:19:19,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:19:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:19:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:19:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:19:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:19:20,007 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:19:20,009 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:19:24,004 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-11-25 05:19:24,005 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:19:24,134 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:19:24,135 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:19:24,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:24 BoogieIcfgContainer [2024-11-25 05:19:24,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:19:24,137 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:19:24,137 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:19:24,148 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:19:24,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:24" (1/1) ... [2024-11-25 05:19:24,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:19:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:19:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:19:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:19:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:19:24,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:19:24,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:19:24,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:19:24,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:19:24,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:19:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:25,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:19:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:25,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 05:19:25,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:19:25,708 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 05:19:25,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:19:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:19:26,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 05:19:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 05:19:26,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:19:26,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:19:26,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:19:26,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:19:26,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:19:26,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862eb262-7e1a-4624-aafb-6de93ed70764/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:19:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:28,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:19:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:28,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 05:19:28,655 INFO L279 TraceCheckSpWp]: Computing forward predicates...