./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/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 be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:09:17,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:09:17,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:09:17,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:09:17,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:09:17,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:09:17,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:09:17,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:09:17,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:09:17,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:09:17,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:09:17,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:09:17,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:09:17,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:09:17,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:09:17,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:09:17,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:09:17,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:09:17,184 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:09:17,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:09:17,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:09:17,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:09:17,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:09:17,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:09:17,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:09:17,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:09:17,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:09:17,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:09:17,185 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:09:17,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:09:17,185 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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/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 -> be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 [2024-11-25 03:09:17,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:09:17,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:09:17,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:09:17,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:09:17,496 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:09:17,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-11-25 03:09:20,511 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data/e3aae88c9/4fa4c52c3f8c4fe38e5c46ae3a37afb7/FLAG621f9f804 [2024-11-25 03:09:20,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:09:20,902 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-11-25 03:09:20,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data/e3aae88c9/4fa4c52c3f8c4fe38e5c46ae3a37afb7/FLAG621f9f804 [2024-11-25 03:09:20,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data/e3aae88c9/4fa4c52c3f8c4fe38e5c46ae3a37afb7 [2024-11-25 03:09:20,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:09:20,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:09:20,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:09:20,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:09:20,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:09:20,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:20" (1/1) ... [2024-11-25 03:09:20,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e656bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:20, skipping insertion in model container [2024-11-25 03:09:20,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:20" (1/1) ... [2024-11-25 03:09:21,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:09:21,258 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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-11-25 03:09:21,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:09:21,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:09:21,772 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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-11-25 03:09:22,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:09:22,058 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:09:22,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22 WrapperNode [2024-11-25 03:09:22,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:09:22,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:09:22,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:09:22,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:09:22,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:22,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:22,981 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6833 [2024-11-25 03:09:22,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:09:22,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:09:22,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:09:22,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:09:22,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:22,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:23,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:23,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:23,707 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:23,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:23,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:23,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:24,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:24,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:09:24,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:09:24,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:09:24,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:09:24,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:22" (1/1) ... [2024-11-25 03:09:24,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:09:24,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:09:24,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:09:24,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:09:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:09:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:09:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:09:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:09:24,857 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:09:24,859 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:09:34,250 INFO L? ?]: Removed 3809 outVars from TransFormulas that were not future-live. [2024-11-25 03:09:34,250 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:09:47,681 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:09:47,682 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:09:47,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:47 BoogieIcfgContainer [2024-11-25 03:09:47,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:09:47,683 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:09:47,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:09:47,695 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:09:47,696 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:47" (1/1) ... [2024-11-25 03:09:47,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:09:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:09:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:09:47,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:09:47,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:47,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:50,160 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 03:10:00,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:10:10,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:10:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:10:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:10:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:10:11,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:11,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:11:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:11:42,534 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 03:11:42,541 INFO L158 Benchmark]: Toolchain (without parser) took 141601.48ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 88.5MB in the beginning and 891.6MB in the end (delta: -803.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-25 03:11:42,542 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:42,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1121.80ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 47.9MB in the end (delta: 40.6MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2024-11-25 03:11:42,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 919.95ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 47.9MB in the beginning and 91.9MB in the end (delta: -44.0MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. [2024-11-25 03:11:42,545 INFO L158 Benchmark]: Boogie Preprocessor took 1187.53ms. Allocated memory was 251.7MB in the beginning and 562.0MB in the end (delta: 310.4MB). Free memory was 91.9MB in the beginning and 360.1MB in the end (delta: -268.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-11-25 03:11:42,549 INFO L158 Benchmark]: RCFGBuilder took 23510.37ms. Allocated memory was 562.0MB in the beginning and 897.6MB in the end (delta: 335.5MB). Free memory was 360.1MB in the beginning and 375.8MB in the end (delta: -15.7MB). Peak memory consumption was 701.4MB. Max. memory is 16.1GB. [2024-11-25 03:11:42,549 INFO L158 Benchmark]: CodeCheck took 114854.82ms. Allocated memory was 897.6MB in the beginning and 1.3GB in the end (delta: 419.4MB). Free memory was 375.8MB in the beginning and 891.6MB in the end (delta: -515.8MB). Peak memory consumption was 654.4MB. Max. memory is 16.1GB. [2024-11-25 03:11:42,552 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 0.41ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1121.80ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 47.9MB in the end (delta: 40.6MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 919.95ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 47.9MB in the beginning and 91.9MB in the end (delta: -44.0MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1187.53ms. Allocated memory was 251.7MB in the beginning and 562.0MB in the end (delta: 310.4MB). Free memory was 91.9MB in the beginning and 360.1MB in the end (delta: -268.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * RCFGBuilder took 23510.37ms. Allocated memory was 562.0MB in the beginning and 897.6MB in the end (delta: 335.5MB). Free memory was 360.1MB in the beginning and 375.8MB in the end (delta: -15.7MB). Peak memory consumption was 701.4MB. Max. memory is 16.1GB. * CodeCheck took 114854.82ms. Allocated memory was 897.6MB in the beginning and 1.3GB in the end (delta: 419.4MB). Free memory was 375.8MB in the beginning and 891.6MB in the end (delta: -515.8MB). Peak memory consumption was 654.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:11:42,765 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 03:11:42,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/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 be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:11:45,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:11:45,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:11:45,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:11:45,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:11:45,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:11:45,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:11:45,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:11:45,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:11:45,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:11:45,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:11:45,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:11:45,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:11:45,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:11:45,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:11:45,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:11:45,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:11:45,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:11:45,463 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:11:45,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:11:45,463 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:11:45,463 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:11:45,463 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:11:45,463 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:45,463 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:11:45,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:11:45,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:11:45,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:11:45,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:11:45,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:11:45,464 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:11:45,464 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:45,464 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:11:45,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/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 -> be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 [2024-11-25 03:11:45,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:11:45,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:11:45,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:11:45,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:11:45,858 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:11:45,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-11-25 03:11:48,877 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data/fb0b0103f/73f64ef74667456ca23157621ce4c048/FLAG0d1b468f5 [2024-11-25 03:11:49,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:11:49,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-11-25 03:11:49,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data/fb0b0103f/73f64ef74667456ca23157621ce4c048/FLAG0d1b468f5 [2024-11-25 03:11:49,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/data/fb0b0103f/73f64ef74667456ca23157621ce4c048 [2024-11-25 03:11:49,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:11:49,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:11:49,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:11:49,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:11:49,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:11:49,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:11:49" (1/1) ... [2024-11-25 03:11:49,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b25c13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:49, skipping insertion in model container [2024-11-25 03:11:49,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:11:49" (1/1) ... [2024-11-25 03:11:49,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:11:49,687 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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-11-25 03:11:50,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:11:50,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:11:50,173 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_b4fdcf7b-bef0-44aa-b862-d4a90764848a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-11-25 03:11:50,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:11:50,464 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:11:50,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50 WrapperNode [2024-11-25 03:11:50,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:11:50,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:11:50,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:11:50,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:11:50,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,663 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2089 [2024-11-25 03:11:50,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:11:50,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:11:50,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:11:50,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:11:50,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:11:50,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:11:50,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:11:50,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:11:50,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:50" (1/1) ... [2024-11-25 03:11:50,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:11:50,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:11:50,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:11:50,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:11:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:11:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:11:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:11:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:11:51,411 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:11:51,413 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:11:54,210 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-25 03:11:54,211 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:11:54,333 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:11:54,333 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:11:54,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:11:54 BoogieIcfgContainer [2024-11-25 03:11:54,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:11:54,335 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:11:54,335 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:11:54,346 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:11:54,346 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:11:54" (1/1) ... [2024-11-25 03:11:54,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:11:54,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:11:54,422 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:11:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:11:54,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:54,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:54,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:54,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:54,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:11:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:55,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:55,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:11:55,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:55,606 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 03:11:55,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:11:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:11:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:11:55,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:11:55,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:55,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:55,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:55,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:55,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdcf7b-bef0-44aa-b862-d4a90764848a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:11:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:57,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:57,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:11:57,770 INFO L279 TraceCheckSpWp]: Computing forward predicates...