./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-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_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b --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 b8bbdb24b91fba380b4499f1479a1f6588874b2c396dc316707581e16a79ebd0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:46:48,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:46:48,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:46:48,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:46:48,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:46:48,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:46:48,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:46:48,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:46:48,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:46:48,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:46:48,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:46:48,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:46:48,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:46:48,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:46:48,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:46:48,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:46:48,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:46:48,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:46:48,529 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:46:48,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:46:48,529 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:46:48,529 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:46:48,529 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:46:48,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:46:48,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:46:48,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:46:48,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:46:48,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:46:48,529 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:46:48,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:46:48,530 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_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b 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 -> b8bbdb24b91fba380b4499f1479a1f6588874b2c396dc316707581e16a79ebd0 [2024-12-06 04:46:48,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:46:48,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:46:48,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:46:48,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:46:48,761 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:46:48,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c [2024-12-06 04:46:51,421 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data/0f22c2bd3/8e99499d3c034d0d8d3ce590a78d57f4/FLAG3c73c028b [2024-12-06 04:46:51,683 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:46:51,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c [2024-12-06 04:46:51,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data/0f22c2bd3/8e99499d3c034d0d8d3ce590a78d57f4/FLAG3c73c028b [2024-12-06 04:46:51,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data/0f22c2bd3/8e99499d3c034d0d8d3ce590a78d57f4 [2024-12-06 04:46:51,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:46:51,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:46:51,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:46:51,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:46:51,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:46:51,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:51" (1/1) ... [2024-12-06 04:46:51,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343ec61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:51, skipping insertion in model container [2024-12-06 04:46:51,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:51" (1/1) ... [2024-12-06 04:46:51,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:46:51,898 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_84b83593-4b88-4c0f-a251-a94ff2a29c18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c[1171,1184] [2024-12-06 04:46:52,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:46:52,243 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:46:52,250 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_84b83593-4b88-4c0f-a251-a94ff2a29c18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c[1171,1184] [2024-12-06 04:46:52,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:46:52,422 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:46:52,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52 WrapperNode [2024-12-06 04:46:52,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:46:52,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:46:52,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:46:52,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:46:52,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:52,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,144 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9237 [2024-12-06 04:46:53,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:46:53,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:46:53,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:46:53,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:46:53,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,578 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:46:53,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:46:53,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:46:53,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:46:53,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:53,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:46:53,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:46:53,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:46:53,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:46:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:46:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:46:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:46:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:46:54,404 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:46:54,405 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:47:05,309 INFO L? ?]: Removed 5090 outVars from TransFormulas that were not future-live. [2024-12-06 04:47:05,310 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:47:18,422 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:47:18,422 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:47:18,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:47:18 BoogieIcfgContainer [2024-12-06 04:47:18,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:47:18,423 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:47:18,423 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:47:18,430 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:47:18,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:47:18" (1/1) ... [2024-12-06 04:47:18,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:47:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:47:18,486 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:47:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:47:18,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:18,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:47:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:47:31,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:47:41,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:47:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:42,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:47:42,778 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:47:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:47:42,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:49:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:49:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:49:19,765 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) [2024-12-06 04:49:19,769 INFO L158 Benchmark]: Toolchain (without parser) took 148057.10ms. Allocated memory was 117.4MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 88.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-06 04:49:19,770 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:19,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 710.59ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 88.4MB in the beginning and 110.6MB in the end (delta: -22.2MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2024-12-06 04:49:19,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 720.41ms. Allocated memory was 201.3MB in the beginning and 453.0MB in the end (delta: 251.7MB). Free memory was 110.6MB in the beginning and 267.5MB in the end (delta: -156.9MB). Peak memory consumption was 194.6MB. Max. memory is 16.1GB. [2024-12-06 04:49:19,771 INFO L158 Benchmark]: Boogie Preprocessor took 718.98ms. Allocated memory was 453.0MB in the beginning and 1.4GB in the end (delta: 906.0MB). Free memory was 267.5MB in the beginning and 1.1GB in the end (delta: -851.3MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2024-12-06 04:49:19,772 INFO L158 Benchmark]: RCFGBuilder took 24558.06ms. Allocated memory was 1.4GB in the beginning and 4.0GB in the end (delta: 2.7GB). Free memory was 1.1GB in the beginning and 3.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-12-06 04:49:19,772 INFO L158 Benchmark]: CodeCheck took 121345.16ms. Allocated memory is still 4.0GB. Free memory was 3.3GB in the beginning and 1.8GB in the end (delta: 1.6GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 04:49:19,775 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 710.59ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 88.4MB in the beginning and 110.6MB in the end (delta: -22.2MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 720.41ms. Allocated memory was 201.3MB in the beginning and 453.0MB in the end (delta: 251.7MB). Free memory was 110.6MB in the beginning and 267.5MB in the end (delta: -156.9MB). Peak memory consumption was 194.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 718.98ms. Allocated memory was 453.0MB in the beginning and 1.4GB in the end (delta: 906.0MB). Free memory was 267.5MB in the beginning and 1.1GB in the end (delta: -851.3MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * RCFGBuilder took 24558.06ms. Allocated memory was 1.4GB in the beginning and 4.0GB in the end (delta: 2.7GB). Free memory was 1.1GB in the beginning and 3.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 121345.16ms. Allocated memory is still 4.0GB. Free memory was 3.3GB in the beginning and 1.8GB in the end (delta: 1.6GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:49:19,984 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 04:49:20,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/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_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b --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 b8bbdb24b91fba380b4499f1479a1f6588874b2c396dc316707581e16a79ebd0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:49:21,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:49:21,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:49:22,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:49:22,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:49:22,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:49:22,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:49:22,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:49:22,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:49:22,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:49:22,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:49:22,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:49:22,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:49:22,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:49:22,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:49:22,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:49:22,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:49:22,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:49:22,003 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:49:22,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:49:22,003 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:49:22,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:49:22,003 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:49:22,003 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:22,003 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:49:22,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:49:22,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:49:22,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:49:22,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:49:22,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:49:22,004 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:49:22,004 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:22,004 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:49:22,004 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_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b 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 -> b8bbdb24b91fba380b4499f1479a1f6588874b2c396dc316707581e16a79ebd0 [2024-12-06 04:49:22,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:49:22,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:49:22,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:49:22,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:49:22,265 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:49:22,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c [2024-12-06 04:49:24,956 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data/3ee2def51/820298ed04fd4c7f98e732164af3b2c9/FLAG71566b7a9 [2024-12-06 04:49:25,252 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:49:25,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c [2024-12-06 04:49:25,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data/3ee2def51/820298ed04fd4c7f98e732164af3b2c9/FLAG71566b7a9 [2024-12-06 04:49:25,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/data/3ee2def51/820298ed04fd4c7f98e732164af3b2c9 [2024-12-06 04:49:25,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:49:25,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:49:25,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:49:25,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:49:25,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:49:25,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:25,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c764ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25, skipping insertion in model container [2024-12-06 04:49:25,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:25,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:49:25,524 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_84b83593-4b88-4c0f-a251-a94ff2a29c18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c[1171,1184] [2024-12-06 04:49:25,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:49:25,807 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:49:25,815 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_84b83593-4b88-4c0f-a251-a94ff2a29c18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-func-interl.c[1171,1184] [2024-12-06 04:49:25,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:49:25,969 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:49:25,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25 WrapperNode [2024-12-06 04:49:25,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:49:25,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:49:25,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:49:25,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:49:25,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,105 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2645 [2024-12-06 04:49:26,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:49:26,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:49:26,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:49:26,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:49:26,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,166 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:49:26,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:49:26,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:49:26,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:49:26,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:25" (1/1) ... [2024-12-06 04:49:26,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:49:26,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:49:26,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:49:26,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:49:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:49:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:49:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:49:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:49:26,686 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:49:26,688 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:49:29,206 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-12-06 04:49:29,206 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:49:29,267 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:49:29,267 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:49:29,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:29 BoogieIcfgContainer [2024-12-06 04:49:29,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:49:29,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:49:29,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:49:29,275 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:49:29,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:29" (1/1) ... [2024-12-06 04:49:29,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:49:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:49:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:49:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:49:29,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:29,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:29,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:29,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:29,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:49:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:30,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:30,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:49:30,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:30,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:49:30,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:49:30,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:49:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:49:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:49:30,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:30,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:30,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:30,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:30,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b83593-4b88-4c0f-a251-a94ff2a29c18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:49:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:31,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:32,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 04:49:32,148 INFO L279 TraceCheckSpWp]: Computing forward predicates...