./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.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_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/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_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/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_4502bfad-12e4-4b08-8909-0c02d1a7b044/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 7f53cc5681a5a08e9c1e07ab3be30428c8fa3fd345275d441a7b8c6544c83a42 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:31:53,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:31:54,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:31:54,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:31:54,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:31:54,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:31:54,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:31:54,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:31:54,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:31:54,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:31:54,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:31:54,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:31:54,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:31:54,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:31:54,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:31:54,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:31:54,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:31:54,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:31:54,053 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:31:54,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:31:54,054 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:31:54,054 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:31:54,054 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:31:54,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:31:54,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:31:54,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:31:54,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:31:54,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:31:54,056 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:31:54,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:31:54,057 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_4502bfad-12e4-4b08-8909-0c02d1a7b044/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 -> 7f53cc5681a5a08e9c1e07ab3be30428c8fa3fd345275d441a7b8c6544c83a42 [2024-11-25 02:31:54,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:31:54,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:31:54,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:31:54,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:31:54,430 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:31:54,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c [2024-11-25 02:31:57,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data/a516ad0b8/5b352f65b1f34c64aa00ca1430e7c74f/FLAG404959bac [2024-11-25 02:31:58,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:31:58,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c [2024-11-25 02:31:58,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data/a516ad0b8/5b352f65b1f34c64aa00ca1430e7c74f/FLAG404959bac [2024-11-25 02:31:58,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data/a516ad0b8/5b352f65b1f34c64aa00ca1430e7c74f [2024-11-25 02:31:58,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:31:58,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:31:58,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:31:58,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:31:58,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:31:58,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:31:58" (1/1) ... [2024-11-25 02:31:58,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e3c88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:58, skipping insertion in model container [2024-11-25 02:31:58,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:31:58" (1/1) ... [2024-11-25 02:31:58,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:31:58,407 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_4502bfad-12e4-4b08-8909-0c02d1a7b044/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c[1245,1258] [2024-11-25 02:31:58,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:31:58,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:31:58,856 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_4502bfad-12e4-4b08-8909-0c02d1a7b044/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c[1245,1258] [2024-11-25 02:31:59,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:31:59,181 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:31:59,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59 WrapperNode [2024-11-25 02:31:59,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:31:59,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:31:59,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:31:59,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:31:59,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:31:59,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:31:59,757 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3643 [2024-11-25 02:31:59,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:31:59,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:31:59,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:31:59,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:31:59,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:31:59,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:31:59,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:31:59,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:32:00,029 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:32:00,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:32:00,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:32:00,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:32:00,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:32:00,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:32:00,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:32:00,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:32:00,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:32:00,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:59" (1/1) ... [2024-11-25 02:32:00,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:00,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:32:00,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:32:00,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:32:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:32:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:32:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:32:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:32:00,824 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:32:00,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:32:06,134 INFO L? ?]: Removed 2044 outVars from TransFormulas that were not future-live. [2024-11-25 02:32:06,135 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:32:11,833 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:32:11,833 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:32:11,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:11 BoogieIcfgContainer [2024-11-25 02:32:11,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:32:11,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:32:11,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:32:11,847 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:32:11,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:11" (1/1) ... [2024-11-25 02:32:11,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:32:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:32:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:32:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:32:11,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:11,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:21,997 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:32:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:39,571 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 02:32:39,576 INFO L158 Benchmark]: Toolchain (without parser) took 41447.87ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 91.5MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 382.3MB. Max. memory is 16.1GB. [2024-11-25 02:32:39,577 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:39,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.46ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 71.6MB in the end (delta: 19.9MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2024-11-25 02:32:39,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 574.51ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 71.6MB in the beginning and 233.5MB in the end (delta: -161.9MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2024-11-25 02:32:39,579 INFO L158 Benchmark]: Boogie Preprocessor took 499.10ms. Allocated memory is still 352.3MB. Free memory was 233.5MB in the beginning and 200.8MB in the end (delta: 32.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:32:39,579 INFO L158 Benchmark]: RCFGBuilder took 11574.87ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 721.4MB). Free memory was 200.8MB in the beginning and 586.3MB in the end (delta: -385.5MB). Peak memory consumption was 431.2MB. Max. memory is 16.1GB. [2024-11-25 02:32:39,580 INFO L158 Benchmark]: CodeCheck took 27739.84ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 654.3MB). Free memory was 586.3MB in the beginning and 1.3GB in the end (delta: -738.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:39,582 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 0.44ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.46ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 71.6MB in the end (delta: 19.9MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 574.51ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 71.6MB in the beginning and 233.5MB in the end (delta: -161.9MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 499.10ms. Allocated memory is still 352.3MB. Free memory was 233.5MB in the beginning and 200.8MB in the end (delta: 32.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11574.87ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 721.4MB). Free memory was 200.8MB in the beginning and 586.3MB in the end (delta: -385.5MB). Peak memory consumption was 431.2MB. Max. memory is 16.1GB. * CodeCheck took 27739.84ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 654.3MB). Free memory was 586.3MB in the beginning and 1.3GB in the end (delta: -738.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:32:39,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 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_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/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_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/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_4502bfad-12e4-4b08-8909-0c02d1a7b044/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 7f53cc5681a5a08e9c1e07ab3be30428c8fa3fd345275d441a7b8c6544c83a42 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:32:42,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:32:42,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:32:42,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:32:42,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:32:42,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:32:42,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:32:42,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:32:42,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:32:42,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:32:42,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:32:42,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:32:42,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:32:42,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:32:42,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:32:42,533 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:32:42,533 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:32:42,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:32:42,534 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:32:42,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:32:42,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:32:42,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:32:42,534 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:32:42,535 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:32:42,535 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:32:42,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:32:42,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:42,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:32:42,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:32:42,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:32:42,536 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:32:42,537 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:32:42,537 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:32:42,537 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_4502bfad-12e4-4b08-8909-0c02d1a7b044/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 -> 7f53cc5681a5a08e9c1e07ab3be30428c8fa3fd345275d441a7b8c6544c83a42 [2024-11-25 02:32:42,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:32:42,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:32:42,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:32:42,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:32:42,916 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:32:42,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c [2024-11-25 02:32:45,936 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data/e52eb5f7d/73854e73ada94483a9ce6fc10cbb648e/FLAG5071966df [2024-11-25 02:32:46,350 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:32:46,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c [2024-11-25 02:32:46,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data/e52eb5f7d/73854e73ada94483a9ce6fc10cbb648e/FLAG5071966df [2024-11-25 02:32:46,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/data/e52eb5f7d/73854e73ada94483a9ce6fc10cbb648e [2024-11-25 02:32:46,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:32:46,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:32:46,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:46,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:32:46,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:32:46,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:46" (1/1) ... [2024-11-25 02:32:46,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f69e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:46, skipping insertion in model container [2024-11-25 02:32:46,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:46" (1/1) ... [2024-11-25 02:32:46,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:32:46,682 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_4502bfad-12e4-4b08-8909-0c02d1a7b044/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c[1245,1258] [2024-11-25 02:32:47,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:47,086 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:32:47,099 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_4502bfad-12e4-4b08-8909-0c02d1a7b044/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal10.c[1245,1258] [2024-11-25 02:32:47,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:47,318 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:32:47,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47 WrapperNode [2024-11-25 02:32:47,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:47,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:47,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:32:47,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:32:47,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,455 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1485 [2024-11-25 02:32:47,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:47,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:32:47,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:32:47,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:32:47,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,578 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:32:47,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:32:47,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:32:47,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:32:47,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:47" (1/1) ... [2024-11-25 02:32:47,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:47,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:32:47,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:32:47,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:32:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:32:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:32:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:32:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:32:48,071 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:32:48,073 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:32:51,174 INFO L? ?]: Removed 733 outVars from TransFormulas that were not future-live. [2024-11-25 02:32:51,174 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:32:51,240 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:32:51,241 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:32:51,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:51 BoogieIcfgContainer [2024-11-25 02:32:51,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:32:51,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:32:51,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:32:51,252 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:32:51,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:51" (1/1) ... [2024-11-25 02:32:51,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:32:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:32:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:32:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:32:51,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:51,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:32:51,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:32:51,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:32:51,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:32:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:52,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:32:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:53,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:32:53,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:53,316 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 02:32:53,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:32:54,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:32:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:32:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:32:54,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:54,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:32:54,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:32:54,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:32:54,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:32:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:56,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:32:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:57,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-25 02:32:57,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:32:59,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:33:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-25 02:33:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-25 02:33:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:33:01,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:01,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:33:01,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:33:01,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:33:01,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4502bfad-12e4-4b08-8909-0c02d1a7b044/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:33:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:12,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:33:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:13,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-25 02:33:13,581 INFO L279 TraceCheckSpWp]: Computing forward predicates...