./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/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 c20fa7ee2748ddf62745476f72e25b73ff264efe3fce94893af23edefc785d10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:04:12,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:04:12,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:04:12,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:04:12,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:04:12,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:04:12,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:04:12,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:04:12,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:04:12,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:04:12,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:04:12,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:04:12,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:04:12,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:04:12,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:04:12,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:04:12,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:04:12,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:04:12,975 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:04:12,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:04:12,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:04:12,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:04:12,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:04:12,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:04:12,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:04:12,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:04:12,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:04:12,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:04:12,976 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:04:12,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:04:12,976 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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/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 -> c20fa7ee2748ddf62745476f72e25b73ff264efe3fce94893af23edefc785d10 [2024-11-25 03:04:13,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:04:13,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:04:13,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:04:13,312 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:04:13,312 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:04:13,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c [2024-11-25 03:04:16,230 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data/c764e3f16/1c7def2e723a471980dc317962cd10e3/FLAG32b49337d [2024-11-25 03:04:16,724 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:04:16,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c [2024-11-25 03:04:16,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data/c764e3f16/1c7def2e723a471980dc317962cd10e3/FLAG32b49337d [2024-11-25 03:04:16,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data/c764e3f16/1c7def2e723a471980dc317962cd10e3 [2024-11-25 03:04:16,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:04:16,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:04:16,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:04:16,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:04:16,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:04:16,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:04:16" (1/1) ... [2024-11-25 03:04:16,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4397f147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:16, skipping insertion in model container [2024-11-25 03:04:16,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:04:16" (1/1) ... [2024-11-25 03:04:16,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:04:17,095 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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c[1176,1189] [2024-11-25 03:04:17,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:04:17,673 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:04:17,683 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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c[1176,1189] [2024-11-25 03:04:18,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:04:18,019 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:04:18,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18 WrapperNode [2024-11-25 03:04:18,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:04:18,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:04:18,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:04:18,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:04:18,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:18,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:19,393 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9722 [2024-11-25 03:04:19,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:04:19,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:04:19,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:04:19,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:04:19,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:19,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:19,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:19,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:20,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:20,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:20,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:20,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:20,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:20,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:04:20,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:04:20,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:04:20,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:04:20,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:18" (1/1) ... [2024-11-25 03:04:20,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:04:20,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:04:20,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:04:20,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:04:20,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:04:20,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:04:20,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:04:20,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:04:21,465 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:04:21,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:04:36,963 INFO L? ?]: Removed 5379 outVars from TransFormulas that were not future-live. [2024-11-25 03:04:36,964 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:04:53,284 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:04:53,288 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:04:53,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:04:53 BoogieIcfgContainer [2024-11-25 03:04:53,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:04:53,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:04:53,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:04:53,314 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:04:53,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:04:53" (1/1) ... [2024-11-25 03:04:53,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:04:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:53,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:04:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:04:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:04:53,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:53,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:56,399 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 03:05:06,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:05:16,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:05:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:05:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:05:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:05:17,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:17,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:07:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:07:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:07:58,957 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 03:07:58,963 INFO L158 Benchmark]: Toolchain (without parser) took 222183.71ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 88.5MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 599.2MB. Max. memory is 16.1GB. [2024-11-25 03:07:58,963 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:07:58,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1241.56ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 88.1MB in the beginning and 266.8MB in the end (delta: -178.7MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2024-11-25 03:07:58,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 1372.98ms. Allocated memory is still 352.3MB. Free memory was 266.8MB in the beginning and 142.3MB in the end (delta: 124.5MB). Peak memory consumption was 303.4MB. Max. memory is 16.1GB. [2024-11-25 03:07:58,965 INFO L158 Benchmark]: Boogie Preprocessor took 1357.67ms. Allocated memory was 352.3MB in the beginning and 729.8MB in the end (delta: 377.5MB). Free memory was 142.3MB in the beginning and 471.0MB in the end (delta: -328.6MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2024-11-25 03:07:58,966 INFO L158 Benchmark]: RCFGBuilder took 32533.88ms. Allocated memory was 729.8MB in the beginning and 2.5GB in the end (delta: 1.8GB). Free memory was 471.0MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-25 03:07:58,967 INFO L158 Benchmark]: CodeCheck took 185671.57ms. Allocated memory was 2.5GB in the beginning and 1.8GB in the end (delta: -780.1MB). Free memory was 1.8GB in the beginning and 1.1GB in the end (delta: 635.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:07:58,971 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 0.34ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1241.56ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 88.1MB in the beginning and 266.8MB in the end (delta: -178.7MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1372.98ms. Allocated memory is still 352.3MB. Free memory was 266.8MB in the beginning and 142.3MB in the end (delta: 124.5MB). Peak memory consumption was 303.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1357.67ms. Allocated memory was 352.3MB in the beginning and 729.8MB in the end (delta: 377.5MB). Free memory was 142.3MB in the beginning and 471.0MB in the end (delta: -328.6MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * RCFGBuilder took 32533.88ms. Allocated memory was 729.8MB in the beginning and 2.5GB in the end (delta: 1.8GB). Free memory was 471.0MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 185671.57ms. Allocated memory was 2.5GB in the beginning and 1.8GB in the end (delta: -780.1MB). Free memory was 1.8GB in the beginning and 1.1GB in the end (delta: 635.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:07:59,185 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 03:07:59,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/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 c20fa7ee2748ddf62745476f72e25b73ff264efe3fce94893af23edefc785d10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:08:01,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:08:01,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:08:01,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:08:01,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:08:01,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:08:01,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:08:01,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:08:01,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:08:01,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:08:01,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:08:01,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:08:01,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:08:01,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:08:01,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:08:01,884 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:08:01,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:08:01,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:08:01,884 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:08:01,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:08:01,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:08:01,884 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:08:01,885 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:08:01,885 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:01,886 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:08:01,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:08:01,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:01,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:08:01,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:08:01,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:08:01,887 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:08:01,887 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:01,887 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:08:01,887 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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/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 -> c20fa7ee2748ddf62745476f72e25b73ff264efe3fce94893af23edefc785d10 [2024-11-25 03:08:02,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:08:02,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:08:02,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:08:02,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:08:02,259 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:08:02,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c [2024-11-25 03:08:05,160 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data/975df6695/7263ef6de94a40e9b3b89f3d5263234c/FLAG70856f0c3 [2024-11-25 03:08:05,623 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:08:05,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c [2024-11-25 03:08:05,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data/975df6695/7263ef6de94a40e9b3b89f3d5263234c/FLAG70856f0c3 [2024-11-25 03:08:05,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/data/975df6695/7263ef6de94a40e9b3b89f3d5263234c [2024-11-25 03:08:05,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:08:05,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:08:05,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:05,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:08:05,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:08:05,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:05" (1/1) ... [2024-11-25 03:08:05,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305ddc40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:05, skipping insertion in model container [2024-11-25 03:08:05,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:05" (1/1) ... [2024-11-25 03:08:05,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:08:06,067 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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c[1176,1189] [2024-11-25 03:08:06,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:06,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:08:06,545 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_16f8bd5f-49e9-435e-9091-45d8841e9a6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.5.prop1-func-interl.c[1176,1189] [2024-11-25 03:08:06,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:06,812 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:08:06,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06 WrapperNode [2024-11-25 03:08:06,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:06,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:06,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:08:06,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:08:06,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:06,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,036 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2990 [2024-11-25 03:08:07,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:07,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:08:07,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:08:07,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:08:07,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,251 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:08:07,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:08:07,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:08:07,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:08:07,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:06" (1/1) ... [2024-11-25 03:08:07,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:07,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:08:07,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:08:07,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:08:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:08:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:08:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:08:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:08:08,036 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:08:08,038 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:08:13,678 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-11-25 03:08:13,678 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:08:13,827 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:08:13,827 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:08:13,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:08:13 BoogieIcfgContainer [2024-11-25 03:08:13,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:08:13,829 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:08:13,829 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:08:13,838 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:08:13,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:08:13" (1/1) ... [2024-11-25 03:08:13,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:08:13,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:13,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:08:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:08:13,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:08:13,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:13,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:13,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:13,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:13,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:08:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:14,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:15,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:08:15,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:15,255 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 03:08:15,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:08:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:08:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:08:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:08:16,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:16,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:16,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:16,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:16,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8bd5f-49e9-435e-9091-45d8841e9a6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:08:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:18,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:18,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:08:18,941 INFO L279 TraceCheckSpWp]: Computing forward predicates...