./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk --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 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:13:34,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:13:34,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:13:34,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:13:34,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:13:34,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:13:34,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:13:34,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:13:34,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:13:34,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:13:34,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:13:34,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:13:34,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:13:34,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:13:34,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:13:34,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:13:34,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:13:34,481 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:13:34,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:13:34,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:13:34,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:13:34,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:13:34,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:13:34,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:13:34,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:34,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:13:34,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:13:34,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:13:34,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:13:34,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:13:34,488 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_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 [2024-11-08 23:13:34,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:13:34,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:13:34,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:13:34,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:13:34,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:13:34,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c Unable to find full path for "g++" [2024-11-08 23:13:36,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:13:37,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:13:37,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-11-08 23:13:37,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/data/e4b32e373/34a1295438234faa91a9611be6c699ac/FLAG712bba303 [2024-11-08 23:13:37,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/data/e4b32e373/34a1295438234faa91a9611be6c699ac [2024-11-08 23:13:37,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:13:37,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:13:37,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:37,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:13:37,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:13:37,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:37" (1/1) ... [2024-11-08 23:13:37,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a284db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:37, skipping insertion in model container [2024-11-08 23:13:37,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:37" (1/1) ... [2024-11-08 23:13:37,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:13:37,482 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-11-08 23:13:37,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:37,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:13:37,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-11-08 23:13:38,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:38,047 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:13:38,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38 WrapperNode [2024-11-08 23:13:38,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:38,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:38,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:13:38,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:13:38,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,412 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1981 [2024-11-08 23:13:38,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:38,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:13:38,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:13:38,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:13:38,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:13:38,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:13:38,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:13:38,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:13:38,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:38" (1/1) ... [2024-11-08 23:13:38,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:38,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:13:38,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:13:38,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:13:38,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:13:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:13:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:13:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:13:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:13:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:13:39,024 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:13:39,027 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:13:42,033 INFO L? ?]: Removed 1004 outVars from TransFormulas that were not future-live. [2024-11-08 23:13:42,034 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:13:45,468 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:13:45,468 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:13:45,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:45 BoogieIcfgContainer [2024-11-08 23:13:45,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:13:45,470 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:13:45,470 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:13:45,480 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:13:45,480 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:45" (1/1) ... [2024-11-08 23:13:45,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:13:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:45,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-08 23:13:45,545 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 23:13:45,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:13:45,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:45,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:13:49,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:13:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:14:05,000 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:14:05,005 INFO L158 Benchmark]: Toolchain (without parser) took 27767.63ms. Allocated memory was 138.4MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 99.8MB in the beginning and 511.1MB in the end (delta: -411.3MB). Peak memory consumption was 456.9MB. Max. memory is 16.1GB. [2024-11-08 23:14:05,006 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 84.8MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:05,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.70ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 62.1MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 23:14:05,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 363.26ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 62.1MB in the beginning and 112.8MB in the end (delta: -50.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-08 23:14:05,008 INFO L158 Benchmark]: Boogie Preprocessor took 238.88ms. Allocated memory is still 178.3MB. Free memory was 112.8MB in the beginning and 97.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:14:05,009 INFO L158 Benchmark]: RCFGBuilder took 6815.42ms. Allocated memory was 178.3MB in the beginning and 337.6MB in the end (delta: 159.4MB). Free memory was 97.4MB in the beginning and 106.7MB in the end (delta: -9.3MB). Peak memory consumption was 199.9MB. Max. memory is 16.1GB. [2024-11-08 23:14:05,010 INFO L158 Benchmark]: CodeCheck took 19533.14ms. Allocated memory was 337.6MB in the beginning and 1.0GB in the end (delta: 664.8MB). Free memory was 106.7MB in the beginning and 511.1MB in the end (delta: -404.4MB). Peak memory consumption was 263.5MB. Max. memory is 16.1GB. [2024-11-08 23:14:05,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 84.8MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.70ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 62.1MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 363.26ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 62.1MB in the beginning and 112.8MB in the end (delta: -50.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 238.88ms. Allocated memory is still 178.3MB. Free memory was 112.8MB in the beginning and 97.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6815.42ms. Allocated memory was 178.3MB in the beginning and 337.6MB in the end (delta: 159.4MB). Free memory was 97.4MB in the beginning and 106.7MB in the end (delta: -9.3MB). Peak memory consumption was 199.9MB. Max. memory is 16.1GB. * CodeCheck took 19533.14ms. Allocated memory was 337.6MB in the beginning and 1.0GB in the end (delta: 664.8MB). Free memory was 106.7MB in the beginning and 511.1MB in the end (delta: -404.4MB). Peak memory consumption was 263.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:14:05,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/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_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk --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 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:14:07,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:14:07,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:14:07,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:14:07,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:14:07,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:14:07,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:14:07,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:14:07,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:14:07,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:14:07,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:14:07,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:14:07,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:14:07,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:14:07,853 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:14:07,856 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:14:07,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:14:07,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:14:07,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:14:07,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:14:07,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:14:07,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:14:07,861 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:14:07,862 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:07,862 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:14:07,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:14:07,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:07,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:14:07,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:14:07,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:14:07,865 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:14:07,865 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:07,865 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:14:07,866 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_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 [2024-11-08 23:14:08,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:14:08,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:14:08,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:14:08,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:14:08,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:14:08,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c Unable to find full path for "g++" [2024-11-08 23:14:10,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:14:10,892 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:14:10,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-11-08 23:14:10,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/data/02b6c5539/5618c82d6635435ebee4df4a09e5b32d/FLAG5cbed0635 [2024-11-08 23:14:11,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/data/02b6c5539/5618c82d6635435ebee4df4a09e5b32d [2024-11-08 23:14:11,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:14:11,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:14:11,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:11,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:14:11,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:14:11,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337370af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11, skipping insertion in model container [2024-11-08 23:14:11,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:14:11,406 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-11-08 23:14:11,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:11,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:14:11,837 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-11-08 23:14:11,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:12,016 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:14:12,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12 WrapperNode [2024-11-08 23:14:12,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:12,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:12,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:14:12,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:14:12,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,139 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2024-11-08 23:14:12,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:12,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:14:12,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:14:12,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:14:12,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:14:12,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:14:12,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:14:12,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:14:12,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:12" (1/1) ... [2024-11-08 23:14:12,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:12,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:14:12,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:14:12,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:14:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:14:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:14:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:14:12,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:14:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:14:12,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:14:12,641 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:14:12,643 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:14:13,518 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-11-08 23:14:13,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:14:13,607 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:14:13,608 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:14:13,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:13 BoogieIcfgContainer [2024-11-08 23:14:13,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:14:13,610 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:14:13,611 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:14:13,622 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:14:13,622 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:13" (1/1) ... [2024-11-08 23:14:13,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:14:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-08 23:14:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 23:14:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:14:13,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:13,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:13,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:13,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:13,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:14:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:14,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:14,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:14:14,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:14:15,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:15,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:15,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-08 23:14:15,699 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-08 23:14:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:14:15,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:15,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:15,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:15,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:15,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:14:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:16,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:17,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:14:17,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:14:17,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:14:21,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-08 23:14:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-08 23:14:21,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:14:21,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:21,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:21,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:21,560 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:21,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:14:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:22,647 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:23,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:14:23,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:14:24,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:14:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 57 transitions. [2024-11-08 23:14:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:14:29,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 23:14:29,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:29,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:29,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:29,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:29,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:14:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:31,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:31,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:14:31,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 23:14:34,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 96 transitions. [2024-11-08 23:14:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2024-11-08 23:14:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 23:14:45,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:45,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:45,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:45,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:14:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:47,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:48,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:14:48,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 23:14:50,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:57,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:57,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 114 transitions. [2024-11-08 23:14:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2024-11-08 23:14:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 23:14:57,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:57,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:57,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:57,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:57,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:14:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:59,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:00,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 1573 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 23:15:00,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:04,069 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-08 23:15:04,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:12,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 132 transitions. [2024-11-08 23:15:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2024-11-08 23:15:12,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 23:15:12,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:12,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:12,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:12,024 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:12,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb39052-ba0d-464b-a915-ffb4d18f0b42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:17:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:36,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:38,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 715 conjuncts are in the unsatisfiable core [2024-11-08 23:17:39,037 INFO L278 TraceCheckSpWp]: Computing forward predicates...