./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9 --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 a3f4c7ab054c3ca54ca3af1fb812d6f1a3344e6bef9fc12196defd88e689c26e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:17:15,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:17:15,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 03:17:15,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:17:15,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:17:15,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:17:15,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:17:15,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:17:15,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:17:15,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:17:15,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:17:15,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:17:15,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:17:15,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:17:15,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:17:15,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:17:15,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:17:15,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:17:15,334 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:17:15,335 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:17:15,335 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:17:15,340 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:17:15,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:17:15,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:17:15,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:17:15,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:17:15,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:17:15,342 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:17:15,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:17:15,343 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:17:15,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3f4c7ab054c3ca54ca3af1fb812d6f1a3344e6bef9fc12196defd88e689c26e [2023-12-03 03:17:15,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:17:15,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:17:15,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:17:15,580 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:17:15,580 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:17:15,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c [2023-12-03 03:17:18,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:17:18,810 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:17:18,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c [2023-12-03 03:17:18,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/data/e80cff1f7/4d1d1418c9bb4f80bdc20cb95a3d5451/FLAGbab8152b9 [2023-12-03 03:17:18,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/data/e80cff1f7/4d1d1418c9bb4f80bdc20cb95a3d5451 [2023-12-03 03:17:18,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:17:18,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:17:18,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:17:18,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:17:18,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:17:18,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:17:18" (1/1) ... [2023-12-03 03:17:18,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf03871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:18, skipping insertion in model container [2023-12-03 03:17:18,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:17:18" (1/1) ... [2023-12-03 03:17:19,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:17:19,421 WARN L240 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_ecb6b094-6c7c-496d-88ba-0ed77fc44787/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c[1245,1258] [2023-12-03 03:17:20,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:17:20,747 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:17:20,760 WARN L240 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_ecb6b094-6c7c-496d-88ba-0ed77fc44787/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c[1245,1258] [2023-12-03 03:17:21,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:17:21,906 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:17:21,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21 WrapperNode [2023-12-03 03:17:21,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:17:21,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:17:21,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:17:21,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:17:21,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:22,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:25,224 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49320 [2023-12-03 03:17:25,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:17:25,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:17:25,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:17:25,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:17:25,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:25,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:25,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:25,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:26,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:26,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:27,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:27,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:28,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:17:28,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:17:28,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:17:28,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:17:28,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:21" (1/1) ... [2023-12-03 03:17:28,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:17:28,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:17:28,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:17:28,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:17:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:17:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:17:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:17:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:17:30,074 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:17:30,075 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:17:53,445 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:20:01,620 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:20:01,620 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:20:01,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:20:01 BoogieIcfgContainer [2023-12-03 03:20:01,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:20:01,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:20:01,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:20:01,629 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:20:01,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:20:01" (1/1) ... [2023-12-03 03:20:01,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:20:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:20:01,677 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:20:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:20:01,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:01,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:20:06,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:20:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:20:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:20:21,228 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:488) 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) [2023-12-03 03:20:21,231 INFO L158 Benchmark]: Toolchain (without parser) took 182353.54ms. Allocated memory was 169.9MB in the beginning and 14.0GB in the end (delta: 13.8GB). Free memory was 108.6MB in the beginning and 10.4GB in the end (delta: -10.3GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-12-03 03:20:21,232 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:20:21,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3029.50ms. Allocated memory was 169.9MB in the beginning and 587.2MB in the end (delta: 417.3MB). Free memory was 108.6MB in the beginning and 303.3MB in the end (delta: -194.7MB). Peak memory consumption was 249.4MB. Max. memory is 16.1GB. [2023-12-03 03:20:21,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 3316.16ms. Allocated memory was 587.2MB in the beginning and 4.4GB in the end (delta: 3.8GB). Free memory was 303.3MB in the beginning and 3.6GB in the end (delta: -3.3GB). Peak memory consumption was 714.1MB. Max. memory is 16.1GB. [2023-12-03 03:20:21,234 INFO L158 Benchmark]: Boogie Preprocessor took 2836.91ms. Allocated memory is still 4.4GB. Free memory was 3.6GB in the beginning and 3.3GB in the end (delta: 298.7MB). Peak memory consumption was 386.9MB. Max. memory is 16.1GB. [2023-12-03 03:20:21,234 INFO L158 Benchmark]: RCFGBuilder took 153557.93ms. Allocated memory was 4.4GB in the beginning and 13.8GB in the end (delta: 9.5GB). Free memory was 3.3GB in the beginning and 10.9GB in the end (delta: -7.6GB). Peak memory consumption was 4.7GB. Max. memory is 16.1GB. [2023-12-03 03:20:21,235 INFO L158 Benchmark]: CodeCheck took 19607.57ms. Allocated memory was 13.8GB in the beginning and 14.0GB in the end (delta: 115.3MB). Free memory was 10.9GB in the beginning and 10.4GB in the end (delta: 522.3MB). Peak memory consumption was 637.7MB. Max. memory is 16.1GB. [2023-12-03 03:20:21,238 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3029.50ms. Allocated memory was 169.9MB in the beginning and 587.2MB in the end (delta: 417.3MB). Free memory was 108.6MB in the beginning and 303.3MB in the end (delta: -194.7MB). Peak memory consumption was 249.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3316.16ms. Allocated memory was 587.2MB in the beginning and 4.4GB in the end (delta: 3.8GB). Free memory was 303.3MB in the beginning and 3.6GB in the end (delta: -3.3GB). Peak memory consumption was 714.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2836.91ms. Allocated memory is still 4.4GB. Free memory was 3.6GB in the beginning and 3.3GB in the end (delta: 298.7MB). Peak memory consumption was 386.9MB. Max. memory is 16.1GB. * RCFGBuilder took 153557.93ms. Allocated memory was 4.4GB in the beginning and 13.8GB in the end (delta: 9.5GB). Free memory was 3.3GB in the beginning and 10.9GB in the end (delta: -7.6GB). Peak memory consumption was 4.7GB. Max. memory is 16.1GB. * CodeCheck took 19607.57ms. Allocated memory was 13.8GB in the beginning and 14.0GB in the end (delta: 115.3MB). Free memory was 10.9GB in the beginning and 10.4GB in the end (delta: 522.3MB). Peak memory consumption was 637.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:20:21,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9 --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 a3f4c7ab054c3ca54ca3af1fb812d6f1a3344e6bef9fc12196defd88e689c26e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:20:23,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:20:23,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 03:20:23,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:20:23,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:20:23,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:20:23,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:20:23,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:20:23,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:20:23,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:20:23,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:20:23,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:20:23,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:20:23,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:20:23,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:20:23,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:20:23,900 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:20:23,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:20:23,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:20:23,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:20:23,903 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:20:23,905 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:20:23,905 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:23,906 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:20:23,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:20:23,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:20:23,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:20:23,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:20:23,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:20:23,908 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:20:23,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:23,909 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:20:23,909 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:20:23,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:20:23,910 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3f4c7ab054c3ca54ca3af1fb812d6f1a3344e6bef9fc12196defd88e689c26e [2023-12-03 03:20:24,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:20:24,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:20:24,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:20:24,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:20:24,211 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:20:24,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c [2023-12-03 03:20:27,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:20:27,595 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:20:27,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c [2023-12-03 03:20:27,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/data/02f5a7488/2258d29b9f9b4d40bb25dab1533e1e79/FLAG823a3f357 [2023-12-03 03:20:27,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/data/02f5a7488/2258d29b9f9b4d40bb25dab1533e1e79 [2023-12-03 03:20:27,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:20:27,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:20:27,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:20:27,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:20:27,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:20:27,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:20:27" (1/1) ... [2023-12-03 03:20:27,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3420eae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:27, skipping insertion in model container [2023-12-03 03:20:27,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:20:27" (1/1) ... [2023-12-03 03:20:27,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:20:28,179 WARN L240 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_ecb6b094-6c7c-496d-88ba-0ed77fc44787/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c[1245,1258] [2023-12-03 03:20:29,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:20:29,291 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:20:29,304 WARN L240 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_ecb6b094-6c7c-496d-88ba-0ed77fc44787/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal59.c[1245,1258] [2023-12-03 03:20:30,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:20:30,149 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:20:30,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30 WrapperNode [2023-12-03 03:20:30,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:20:30,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:20:30,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:20:30,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:20:30,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:30,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:30,677 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14415 [2023-12-03 03:20:30,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:20:30,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:20:30,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:20:30,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:20:30,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:30,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:30,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:30,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:31,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:31,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:31,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:31,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:31,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:20:31,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:20:31,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:20:31,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:20:31,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:30" (1/1) ... [2023-12-03 03:20:31,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:20:31,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:20:31,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:20:31,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:20:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:20:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:20:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:20:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:20:33,139 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:20:33,141 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:22:03,939 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:22:04,411 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:22:04,412 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:22:04,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:22:04 BoogieIcfgContainer [2023-12-03 03:22:04,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:22:04,414 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:22:04,414 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:22:04,424 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:22:04,424 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:22:04" (1/1) ... [2023-12-03 03:22:04,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:22:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:22:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:22:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:22:04,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:04,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:04,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:22:04,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:22:04,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:22:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:07,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:22:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:08,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 03:22:08,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:08,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:22:19,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:29,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 03:22:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 03:22:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:22:29,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:29,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:29,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:22:29,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:22:29,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:22:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:50,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:22:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:53,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 11981 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 03:22:53,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:55,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:23:08,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:20,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:30,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:40,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:51,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:03,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:13,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 03:24:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 03:24:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:24:13,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:13,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:13,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:13,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:13,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb6b094-6c7c-496d-88ba-0ed77fc44787/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:25:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:52,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:59,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 23479 conjuncts, 382 conjunts are in the unsatisfiable core [2023-12-03 03:25:59,863 INFO L285 TraceCheckSpWp]: Computing forward predicates...