./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi --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 37235873cdbfb4a92a6d9a366e7d975c617138dc8eee2f80d6fd06796710e280 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:08,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:08,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:52:08,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:08,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:08,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:08,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:08,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:08,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:08,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:08,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:08,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:08,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:08,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:08,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:08,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:08,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:08,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:08,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:08,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:08,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:08,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:08,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:08,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:08,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:08,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:08,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:08,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:08,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:08,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:08,765 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_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37235873cdbfb4a92a6d9a366e7d975c617138dc8eee2f80d6fd06796710e280 [2023-11-24 22:52:09,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:09,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:09,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:09,123 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:09,124 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:09,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c [2023-11-24 22:52:12,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:12,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:12,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c [2023-11-24 22:52:12,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/data/259925157/af255e00176248d2a6b607a6c2dedee5/FLAGcd8a60cf1 [2023-11-24 22:52:12,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/data/259925157/af255e00176248d2a6b607a6c2dedee5 [2023-11-24 22:52:12,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:12,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:12,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:12,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:12,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:12,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:12" (1/1) ... [2023-11-24 22:52:12,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6302120b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:12, skipping insertion in model container [2023-11-24 22:52:12,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:12" (1/1) ... [2023-11-24 22:52:12,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:12,927 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_cee7edb8-a18d-42d0-8f94-6df794effbad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c[1289,1302] [2023-11-24 22:52:13,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:13,134 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:13,156 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_cee7edb8-a18d-42d0-8f94-6df794effbad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c[1289,1302] [2023-11-24 22:52:13,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:13,337 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:13,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13 WrapperNode [2023-11-24 22:52:13,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:13,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:13,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:13,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:13,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,528 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 955 [2023-11-24 22:52:13,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:13,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:13,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:13,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:13,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:13,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:13,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:13,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:13,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:13,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:13,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:13,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:52:13,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:52:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:13,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:14,023 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:14,026 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:15,245 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:16,903 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:16,903 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:52:16,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:16 BoogieIcfgContainer [2023-11-24 22:52:16,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:16,906 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:16,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:16,916 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:16,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:16" (1/1) ... [2023-11-24 22:52:16,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-24 22:52:17,000 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-24 22:52:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:17,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:17,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:28,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:52:42,792 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) [2023-11-24 22:52:42,797 INFO L158 Benchmark]: Toolchain (without parser) took 30083.99ms. Allocated memory was 144.7MB in the beginning and 826.3MB in the end (delta: 681.6MB). Free memory was 99.9MB in the beginning and 449.2MB in the end (delta: -349.3MB). Peak memory consumption was 333.7MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,797 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:42,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.58ms. Allocated memory is still 144.7MB. Free memory was 99.5MB in the beginning and 113.3MB in the end (delta: -13.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.17ms. Allocated memory is still 144.7MB. Free memory was 113.3MB in the beginning and 97.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,803 INFO L158 Benchmark]: Boogie Preprocessor took 193.83ms. Allocated memory is still 144.7MB. Free memory was 97.7MB in the beginning and 91.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,805 INFO L158 Benchmark]: RCFGBuilder took 3180.09ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 91.5MB in the beginning and 90.6MB in the end (delta: 975.3kB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,807 INFO L158 Benchmark]: CodeCheck took 25889.42ms. Allocated memory was 199.2MB in the beginning and 826.3MB in the end (delta: 627.0MB). Free memory was 90.6MB in the beginning and 449.2MB in the end (delta: -358.7MB). Peak memory consumption was 268.4MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,815 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 0.36ms. Allocated memory is still 111.1MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.58ms. Allocated memory is still 144.7MB. Free memory was 99.5MB in the beginning and 113.3MB in the end (delta: -13.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.17ms. Allocated memory is still 144.7MB. Free memory was 113.3MB in the beginning and 97.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 193.83ms. Allocated memory is still 144.7MB. Free memory was 97.7MB in the beginning and 91.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3180.09ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 91.5MB in the beginning and 90.6MB in the end (delta: 975.3kB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * CodeCheck took 25889.42ms. Allocated memory was 199.2MB in the beginning and 826.3MB in the end (delta: 627.0MB). Free memory was 90.6MB in the beginning and 449.2MB in the end (delta: -358.7MB). Peak memory consumption was 268.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:52:42,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi --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 37235873cdbfb4a92a6d9a366e7d975c617138dc8eee2f80d6fd06796710e280 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:45,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:45,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-24 22:52:45,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:45,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:45,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:45,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:45,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:45,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:45,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:45,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:45,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:45,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:45,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:45,744 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:52:45,744 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:52:45,744 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:52:45,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:45,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:45,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:45,747 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:45,748 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:45,748 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:45,749 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:45,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:45,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:45,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:45,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:45,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:45,751 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:52:45,752 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:45,753 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:45,753 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:52:45,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:45,754 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_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37235873cdbfb4a92a6d9a366e7d975c617138dc8eee2f80d6fd06796710e280 [2023-11-24 22:52:46,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:46,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:46,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:46,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:46,207 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:46,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c [2023-11-24 22:52:49,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:49,728 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:49,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c [2023-11-24 22:52:49,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/data/00b697484/07a2aeff9fc54f4e83679088cc9eb043/FLAGac0e79a4c [2023-11-24 22:52:49,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/data/00b697484/07a2aeff9fc54f4e83679088cc9eb043 [2023-11-24 22:52:49,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:49,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:49,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:49,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:49,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:49,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:49" (1/1) ... [2023-11-24 22:52:49,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff0fcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:49, skipping insertion in model container [2023-11-24 22:52:49,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:49" (1/1) ... [2023-11-24 22:52:49,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:49,982 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_cee7edb8-a18d-42d0-8f94-6df794effbad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c[1289,1302] [2023-11-24 22:52:50,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:50,168 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:50,178 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_cee7edb8-a18d-42d0-8f94-6df794effbad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c[1289,1302] [2023-11-24 22:52:50,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:50,304 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:50,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50 WrapperNode [2023-11-24 22:52:50,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:50,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:50,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:50,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:50,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,392 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 377 [2023-11-24 22:52:50,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:50,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:50,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:50,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:50,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:50,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:50,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:50,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:50,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:50" (1/1) ... [2023-11-24 22:52:50,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:50,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:50,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:50,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:52:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:52:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:52:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:50,741 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:50,744 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:51,250 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:51,331 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:51,332 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:52:51,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:51 BoogieIcfgContainer [2023-11-24 22:52:51,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:51,337 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:51,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:51,348 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:51,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:51" (1/1) ... [2023-11-24 22:52:51,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-24 22:52:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-24 22:52:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:51,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:51,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:51,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:51,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:51,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:52:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:51,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:52:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:52,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:52:52,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:52,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:52:52,454 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:52:52,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:52:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 22:52:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 22:52:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:52:52,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:52,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:52,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:52,791 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:52,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:52:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:53,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:52:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:53,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:52:53,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:52:54,134 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:52:54,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:52:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2023-11-24 22:52:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2023-11-24 22:52:56,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:52:56,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:56,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:56,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:56,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:56,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:52:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:52:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:52:56,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:52:57,636 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:52:57,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cee7edb8-a18d-42d0-8f94-6df794effbad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0