./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.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_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/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_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/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_4f90e246-9447-4e7a-8205-33ceae47beeb/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 b5b1354fd5c2723161a72c9193c91f6b45e639d74090b5e73f299b0992d01284 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:49:11,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:49:11,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:49:11,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:49:11,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:49:11,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:49:11,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:49:11,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:49:11,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:49:11,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:49:11,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:49:11,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:49:11,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:49:11,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:49:11,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:49:11,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:49:11,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:49:11,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:49:11,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:49:11,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:49:11,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:49:11,331 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:49:11,331 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:49:11,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:49:11,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:49:11,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:49:11,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:49:11,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:49:11,332 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:49:11,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:49:11,332 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_4f90e246-9447-4e7a-8205-33ceae47beeb/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 -> b5b1354fd5c2723161a72c9193c91f6b45e639d74090b5e73f299b0992d01284 [2024-11-25 04:49:11,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:49:11,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:49:11,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:49:11,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:49:11,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:49:11,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c [2024-11-25 04:49:14,628 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data/4540758f3/60b0ba5b06c349e9aa5475d48c612a37/FLAGecd48188d [2024-11-25 04:49:14,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:49:14,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c [2024-11-25 04:49:14,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data/4540758f3/60b0ba5b06c349e9aa5475d48c612a37/FLAGecd48188d [2024-11-25 04:49:15,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data/4540758f3/60b0ba5b06c349e9aa5475d48c612a37 [2024-11-25 04:49:15,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:49:15,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:49:15,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:49:15,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:49:15,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:49:15,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1235c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15, skipping insertion in model container [2024-11-25 04:49:15,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:49:15,261 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_4f90e246-9447-4e7a-8205-33ceae47beeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c[1176,1189] [2024-11-25 04:49:15,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:49:15,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:49:15,695 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_4f90e246-9447-4e7a-8205-33ceae47beeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c[1176,1189] [2024-11-25 04:49:15,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:49:15,980 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:49:15,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15 WrapperNode [2024-11-25 04:49:15,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:49:15,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:49:15,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:49:15,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:49:15,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:16,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:16,800 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4794 [2024-11-25 04:49:16,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:49:16,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:49:16,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:49:16,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:49:16,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:16,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:16,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:16,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:17,141 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:17,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:17,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:17,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:17,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:17,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:49:17,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:49:17,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:49:17,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:49:17,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:17,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:49:17,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:49:17,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:49:17,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:49:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:49:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:49:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:49:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:49:18,214 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:49:18,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:49:24,676 INFO L? ?]: Removed 2592 outVars from TransFormulas that were not future-live. [2024-11-25 04:49:24,677 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:49:34,666 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:49:34,666 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:49:34,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:34 BoogieIcfgContainer [2024-11-25 04:49:34,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:49:34,667 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:49:34,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:49:34,677 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:49:34,677 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:34" (1/1) ... [2024-11-25 04:49:34,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:49:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:49:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:49:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:49:34,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:47,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:49:57,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:49:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:49:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:49:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:49:57,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:57,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:50:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:50:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:50:38,314 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:50:38,323 INFO L158 Benchmark]: Toolchain (without parser) took 83304.28ms. Allocated memory was 117.4MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 90.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 982.3MB. Max. memory is 16.1GB. [2024-11-25 04:50:38,326 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:50:38,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 961.09ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 74.0MB in the end (delta: 16.2MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2024-11-25 04:50:38,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 818.77ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 74.0MB in the beginning and 169.8MB in the end (delta: -95.8MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. [2024-11-25 04:50:38,328 INFO L158 Benchmark]: Boogie Preprocessor took 787.47ms. Allocated memory was 285.2MB in the beginning and 855.6MB in the end (delta: 570.4MB). Free memory was 169.8MB in the beginning and 716.1MB in the end (delta: -546.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:50:38,329 INFO L158 Benchmark]: RCFGBuilder took 17077.28ms. Allocated memory was 855.6MB in the beginning and 1.0GB in the end (delta: 151.0MB). Free memory was 716.1MB in the beginning and 625.7MB in the end (delta: 90.4MB). Peak memory consumption was 736.7MB. Max. memory is 16.1GB. [2024-11-25 04:50:38,330 INFO L158 Benchmark]: CodeCheck took 63654.95ms. Allocated memory was 1.0GB in the beginning and 2.4GB in the end (delta: 1.4GB). Free memory was 621.5MB in the beginning and 1.4GB in the end (delta: -786.8MB). Peak memory consumption was 626.5MB. Max. memory is 16.1GB. [2024-11-25 04:50:38,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 961.09ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 74.0MB in the end (delta: 16.2MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 818.77ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 74.0MB in the beginning and 169.8MB in the end (delta: -95.8MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 787.47ms. Allocated memory was 285.2MB in the beginning and 855.6MB in the end (delta: 570.4MB). Free memory was 169.8MB in the beginning and 716.1MB in the end (delta: -546.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 17077.28ms. Allocated memory was 855.6MB in the beginning and 1.0GB in the end (delta: 151.0MB). Free memory was 716.1MB in the beginning and 625.7MB in the end (delta: 90.4MB). Peak memory consumption was 736.7MB. Max. memory is 16.1GB. * CodeCheck took 63654.95ms. Allocated memory was 1.0GB in the beginning and 2.4GB in the end (delta: 1.4GB). Free memory was 621.5MB in the beginning and 1.4GB in the end (delta: -786.8MB). Peak memory consumption was 626.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:50:38,549 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 04:50:38,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/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_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/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_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/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_4f90e246-9447-4e7a-8205-33ceae47beeb/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 b5b1354fd5c2723161a72c9193c91f6b45e639d74090b5e73f299b0992d01284 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:50:41,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:50:41,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:50:41,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:50:41,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:50:41,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:50:41,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:50:41,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:50:41,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:50:41,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:50:41,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:50:41,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:50:41,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:50:41,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:50:41,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:50:41,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:50:41,497 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:50:41,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:50:41,497 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:50:41,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:50:41,498 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:50:41,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:50:41,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:50:41,498 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:41,498 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:50:41,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:50:41,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:50:41,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:50:41,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:50:41,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:50:41,499 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:50:41,500 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:41,500 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:50:41,500 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_4f90e246-9447-4e7a-8205-33ceae47beeb/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 -> b5b1354fd5c2723161a72c9193c91f6b45e639d74090b5e73f299b0992d01284 [2024-11-25 04:50:41,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:50:41,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:50:41,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:50:41,900 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:50:41,900 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:50:41,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c [2024-11-25 04:50:44,966 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data/752072aa0/a19dfe009e134ccfb055727f17963036/FLAG2a63771be [2024-11-25 04:50:45,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:50:45,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c [2024-11-25 04:50:45,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data/752072aa0/a19dfe009e134ccfb055727f17963036/FLAG2a63771be [2024-11-25 04:50:45,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/data/752072aa0/a19dfe009e134ccfb055727f17963036 [2024-11-25 04:50:45,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:50:45,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:50:45,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:50:45,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:50:45,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:50:45,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:45" (1/1) ... [2024-11-25 04:50:45,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3f49c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:45, skipping insertion in model container [2024-11-25 04:50:45,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:45" (1/1) ... [2024-11-25 04:50:45,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:50:45,678 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_4f90e246-9447-4e7a-8205-33ceae47beeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c[1176,1189] [2024-11-25 04:50:46,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:50:46,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:50:46,050 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_4f90e246-9447-4e7a-8205-33ceae47beeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c[1176,1189] [2024-11-25 04:50:46,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:50:46,228 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:50:46,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46 WrapperNode [2024-11-25 04:50:46,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:50:46,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:50:46,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:50:46,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:50:46,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,398 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1374 [2024-11-25 04:50:46,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:50:46,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:50:46,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:50:46,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:50:46,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:50:46,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:50:46,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:50:46,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:50:46,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2024-11-25 04:50:46,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:50:46,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:50:46,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:50:46,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:50:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:50:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:50:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:50:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:50:47,014 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:50:47,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:50:48,974 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-25 04:50:48,974 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:50:49,102 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:50:49,102 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:50:49,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:49 BoogieIcfgContainer [2024-11-25 04:50:49,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:50:49,104 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:50:49,104 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:50:49,121 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:50:49,121 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:49" (1/1) ... [2024-11-25 04:50:49,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:50:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:49,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:50:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:50:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:50:49,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:49,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:49,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:49,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:49,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:50:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:49,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:49,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:50:49,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:50:50,165 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:50:50,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:50:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:50:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:50:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:50:50,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:50,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:50,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:50,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:50,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f90e246-9447-4e7a-8205-33ceae47beeb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:50:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:51,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:51,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:50:51,656 INFO L279 TraceCheckSpWp]: Computing forward predicates...