./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:19,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:19,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:14:19,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:19,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:19,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:19,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:19,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:19,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:19,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:19,489 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:19,490 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:19,490 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:19,491 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:19,491 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:19,492 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:19,493 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:19,493 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:19,494 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:19,494 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:19,495 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:19,495 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:19,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:19,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:19,498 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:19,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:19,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:19,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:19,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:19,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:19,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:19,502 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:19,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:19,502 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:19,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:19,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:19,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:19,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:19,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:19,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:19,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:19,505 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:19,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:19,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:19,506 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:19,506 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:19,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:19,507 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 [2023-11-23 21:14:19,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:19,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:19,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:19,859 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:19,859 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:19,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2023-11-23 21:14:22,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:23,384 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:23,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2023-11-23 21:14:23,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/data/f46855f33/ab9d7512b46347128f4df3e1a7becc05/FLAGba9842791 [2023-11-23 21:14:23,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/data/f46855f33/ab9d7512b46347128f4df3e1a7becc05 [2023-11-23 21:14:23,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:23,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:23,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:23,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:23,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:23,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:23" (1/1) ... [2023-11-23 21:14:23,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b2968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:23, skipping insertion in model container [2023-11-23 21:14:23,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:23" (1/1) ... [2023-11-23 21:14:23,532 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:23,833 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_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2023-11-23 21:14:23,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:23,885 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:23,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-23 21:14:23,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2023-11-23 21:14:23,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [453] [2023-11-23 21:14:23,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] [2023-11-23 21:14:23,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [673] [2023-11-23 21:14:23,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [682] [2023-11-23 21:14:23,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [721] [2023-11-23 21:14:23,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [802] [2023-11-23 21:14:23,987 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_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2023-11-23 21:14:24,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:24,029 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:24,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24 WrapperNode [2023-11-23 21:14:24,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:24,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:24,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:24,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:24,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,103 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 142 [2023-11-23 21:14:24,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:24,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:24,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:24,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:24,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:24,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:24,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:24,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:24,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (1/1) ... [2023-11-23 21:14:24,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:24,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:24,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:24,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 21:14:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 21:14:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-23 21:14:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-23 21:14:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 21:14:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 21:14:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 21:14:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 21:14:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 21:14:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 21:14:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:24,353 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:24,357 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:24,726 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:24,880 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:24,883 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:14:24,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:24 BoogieIcfgContainer [2023-11-23 21:14:24,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:24,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:24,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:24,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:24,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:23" (1/3) ... [2023-11-23 21:14:24,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348289e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:24, skipping insertion in model container [2023-11-23 21:14:24,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:24" (2/3) ... [2023-11-23 21:14:24,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348289e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:24, skipping insertion in model container [2023-11-23 21:14:24,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:24" (3/3) ... [2023-11-23 21:14:24,898 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2023-11-23 21:14:24,920 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:24,921 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:24,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:24,992 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a54177d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:24,993 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 30 states have internal predecessors, (37), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:14:25,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 21:14:25,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:25,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:25,013 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:25,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:25,021 INFO L85 PathProgramCache]: Analyzing trace with hash -220537511, now seen corresponding path program 1 times [2023-11-23 21:14:25,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:25,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906434429] [2023-11-23 21:14:25,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:25,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:25,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:25,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906434429] [2023-11-23 21:14:25,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906434429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:25,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:25,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:25,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104580956] [2023-11-23 21:14:25,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:25,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:14:25,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:25,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:14:25,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:25,318 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 30 states have internal predecessors, (37), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:25,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:25,368 INFO L93 Difference]: Finished difference Result 78 states and 103 transitions. [2023-11-23 21:14:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:14:25,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-11-23 21:14:25,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:25,377 INFO L225 Difference]: With dead ends: 78 [2023-11-23 21:14:25,377 INFO L226 Difference]: Without dead ends: 35 [2023-11-23 21:14:25,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:25,387 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:25,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:25,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-23 21:14:25,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-23 21:14:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:14:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2023-11-23 21:14:25,438 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 15 [2023-11-23 21:14:25,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:25,440 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2023-11-23 21:14:25,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-23 21:14:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 21:14:25,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:25,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:25,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:25,445 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:25,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:25,446 INFO L85 PathProgramCache]: Analyzing trace with hash -953604316, now seen corresponding path program 1 times [2023-11-23 21:14:25,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:25,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426167777] [2023-11-23 21:14:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:25,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:25,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:25,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426167777] [2023-11-23 21:14:25,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426167777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:25,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:25,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:25,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69431719] [2023-11-23 21:14:25,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:25,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:25,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:25,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:25,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:25,626 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:25,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:25,655 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2023-11-23 21:14:25,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:25,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-23 21:14:25,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:25,656 INFO L225 Difference]: With dead ends: 47 [2023-11-23 21:14:25,657 INFO L226 Difference]: Without dead ends: 27 [2023-11-23 21:14:25,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:25,659 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 7 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:25,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 33 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:25,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-23 21:14:25,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-23 21:14:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:14:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-11-23 21:14:25,666 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 16 [2023-11-23 21:14:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:25,667 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-23 21:14:25,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-23 21:14:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:14:25,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:25,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:25,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:14:25,669 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:25,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:25,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1851820943, now seen corresponding path program 1 times [2023-11-23 21:14:25,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:25,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572197762] [2023-11-23 21:14:25,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:25,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:25,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:25,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572197762] [2023-11-23 21:14:25,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572197762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:25,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:25,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:25,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493598235] [2023-11-23 21:14:25,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:25,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:25,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:25,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:25,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:25,829 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:25,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:25,875 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2023-11-23 21:14:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:25,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-23 21:14:25,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:25,878 INFO L225 Difference]: With dead ends: 52 [2023-11-23 21:14:25,879 INFO L226 Difference]: Without dead ends: 50 [2023-11-23 21:14:25,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:25,881 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 13 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:25,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 37 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:25,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-23 21:14:25,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-23 21:14:25,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 38 states have internal predecessors, (42), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2023-11-23 21:14:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2023-11-23 21:14:25,895 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 18 [2023-11-23 21:14:25,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:25,895 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2023-11-23 21:14:25,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-23 21:14:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 21:14:25,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:25,897 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:25,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:14:25,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:25,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:25,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1404082198, now seen corresponding path program 1 times [2023-11-23 21:14:25,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:25,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464819423] [2023-11-23 21:14:25,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:14:26,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:26,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464819423] [2023-11-23 21:14:26,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464819423] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:14:26,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858775094] [2023-11-23 21:14:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:26,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:26,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:26,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:26,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:14:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:26,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 21:14:26,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 21:14:26,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:14:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 21:14:26,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858775094] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 21:14:26,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:14:26,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 5] total 11 [2023-11-23 21:14:26,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245939128] [2023-11-23 21:14:26,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:26,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:14:26,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:26,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:14:26,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:14:26,631 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:14:26,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:26,734 INFO L93 Difference]: Finished difference Result 120 states and 145 transitions. [2023-11-23 21:14:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:14:26,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2023-11-23 21:14:26,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:26,741 INFO L225 Difference]: With dead ends: 120 [2023-11-23 21:14:26,741 INFO L226 Difference]: Without dead ends: 72 [2023-11-23 21:14:26,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:14:26,744 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:26,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 86 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:14:26,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-23 21:14:26,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2023-11-23 21:14:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 51 states have internal predecessors, (56), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2023-11-23 21:14:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2023-11-23 21:14:26,773 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 35 [2023-11-23 21:14:26,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:26,774 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2023-11-23 21:14:26,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:14:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2023-11-23 21:14:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 21:14:26,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:26,777 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:26,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:26,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:26,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:26,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:26,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1890883168, now seen corresponding path program 1 times [2023-11-23 21:14:26,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:26,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362675915] [2023-11-23 21:14:26,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:26,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:14:27,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:27,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362675915] [2023-11-23 21:14:27,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362675915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:27,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:27,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:14:27,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126517544] [2023-11-23 21:14:27,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:27,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:14:27,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:27,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:14:27,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:14:27,251 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-23 21:14:27,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:27,313 INFO L93 Difference]: Finished difference Result 91 states and 108 transitions. [2023-11-23 21:14:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:14:27,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2023-11-23 21:14:27,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:27,314 INFO L225 Difference]: With dead ends: 91 [2023-11-23 21:14:27,314 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:14:27,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:14:27,321 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:27,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 24 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:27,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:14:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:14:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:14:27,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2023-11-23 21:14:27,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:27,329 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:14:27,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-23 21:14:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:14:27,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:14:27,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:14:27,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:14:27,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:14:27,489 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 749 760) the Hoare annotation is: true [2023-11-23 21:14:27,489 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 749 760) no Hoare annotation was computed. [2023-11-23 21:14:27,489 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 804 833) no Hoare annotation was computed. [2023-11-23 21:14:27,489 INFO L899 garLoopResultBuilder]: For program point L829(lines 804 833) no Hoare annotation was computed. [2023-11-23 21:14:27,489 INFO L899 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2023-11-23 21:14:27,489 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2023-11-23 21:14:27,490 INFO L902 garLoopResultBuilder]: At program point L818-1(lines 818 822) the Hoare annotation is: true [2023-11-23 21:14:27,490 INFO L902 garLoopResultBuilder]: At program point L814-2(lines 814 828) the Hoare annotation is: true [2023-11-23 21:14:27,490 INFO L902 garLoopResultBuilder]: At program point L810(line 810) the Hoare annotation is: true [2023-11-23 21:14:27,490 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 804 833) the Hoare annotation is: true [2023-11-23 21:14:27,490 INFO L899 garLoopResultBuilder]: For program point L810-1(line 810) no Hoare annotation was computed. [2023-11-23 21:14:27,490 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 761 769) the Hoare annotation is: true [2023-11-23 21:14:27,490 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 761 769) no Hoare annotation was computed. [2023-11-23 21:14:27,491 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 714) no Hoare annotation was computed. [2023-11-23 21:14:27,491 INFO L899 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2023-11-23 21:14:27,491 INFO L899 garLoopResultBuilder]: For program point L700-1(lines 692 720) no Hoare annotation was computed. [2023-11-23 21:14:27,491 INFO L895 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (= ~pumpRunning~0 0))) [2023-11-23 21:14:27,491 INFO L899 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2023-11-23 21:14:27,491 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 467 490) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (= ~pumpRunning~0 0))) [2023-11-23 21:14:27,492 INFO L899 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2023-11-23 21:14:27,492 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2023-11-23 21:14:27,492 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 467 490) no Hoare annotation was computed. [2023-11-23 21:14:27,492 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2023-11-23 21:14:27,492 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 893) no Hoare annotation was computed. [2023-11-23 21:14:27,492 INFO L899 garLoopResultBuilder]: For program point L886-2(lines 886 893) no Hoare annotation was computed. [2023-11-23 21:14:27,493 INFO L899 garLoopResultBuilder]: For program point L618(lines 617 664) no Hoare annotation was computed. [2023-11-23 21:14:27,493 INFO L895 garLoopResultBuilder]: At program point L639(line 639) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:14:27,493 INFO L899 garLoopResultBuilder]: For program point L668(lines 607 672) no Hoare annotation was computed. [2023-11-23 21:14:27,493 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2023-11-23 21:14:27,493 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2023-11-23 21:14:27,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:14:27,493 INFO L895 garLoopResultBuilder]: At program point L665(lines 616 666) the Hoare annotation is: false [2023-11-23 21:14:27,494 INFO L895 garLoopResultBuilder]: At program point L653-2(lines 647 660) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:14:27,494 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:14:27,494 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 643) no Hoare annotation was computed. [2023-11-23 21:14:27,494 INFO L899 garLoopResultBuilder]: For program point L637-1(lines 637 643) no Hoare annotation was computed. [2023-11-23 21:14:27,494 INFO L895 garLoopResultBuilder]: At program point L662(lines 617 664) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:14:27,494 INFO L895 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:14:27,495 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 737 748) no Hoare annotation was computed. [2023-11-23 21:14:27,495 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 737 748) the Hoare annotation is: true [2023-11-23 21:14:27,498 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-23 21:14:27,501 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:27,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:14:27 BoogieIcfgContainer [2023-11-23 21:14:27,514 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:14:27,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:14:27,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:14:27,515 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:14:27,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:24" (3/4) ... [2023-11-23 21:14:27,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:14:27,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 21:14:27,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 21:14:27,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-23 21:14:27,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 21:14:27,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 21:14:27,536 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-23 21:14:27,537 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-23 21:14:27,537 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:14:27,538 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:14:27,538 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:14:27,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((pumpRunning == 0))) [2023-11-23 21:14:27,616 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((pumpRunning == 0))) [2023-11-23 21:14:27,670 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:14:27,670 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:14:27,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:14:27,671 INFO L158 Benchmark]: Toolchain (without parser) took 4230.57ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 59.5MB in the end (delta: 62.2MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2023-11-23 21:14:27,672 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:27,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.88ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 102.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:14:27,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.11ms. Allocated memory is still 153.1MB. Free memory was 102.4MB in the beginning and 100.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:27,673 INFO L158 Benchmark]: Boogie Preprocessor took 32.18ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 99.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:27,673 INFO L158 Benchmark]: RCFGBuilder took 748.17ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 76.4MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:27,674 INFO L158 Benchmark]: TraceAbstraction took 2625.21ms. Allocated memory is still 153.1MB. Free memory was 76.1MB in the beginning and 65.8MB in the end (delta: 10.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-23 21:14:27,674 INFO L158 Benchmark]: Witness Printer took 156.33ms. Allocated memory is still 153.1MB. Free memory was 65.8MB in the beginning and 59.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:14:27,676 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.88ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 102.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.11ms. Allocated memory is still 153.1MB. Free memory was 102.4MB in the beginning and 100.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.18ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 99.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 748.17ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 76.4MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2625.21ms. Allocated memory is still 153.1MB. Free memory was 76.1MB in the beginning and 65.8MB in the end (delta: 10.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 156.33ms. Allocated memory is still 153.1MB. Free memory was 65.8MB in the beginning and 59.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [453] - GenericResultAtLocation [Line: 603]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] - GenericResultAtLocation [Line: 673]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [673] - GenericResultAtLocation [Line: 682]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [682] - GenericResultAtLocation [Line: 721]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [721] - GenericResultAtLocation [Line: 802]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [802] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 678]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 215 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 111 mSDtfsCounter, 148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 56 PreInvPairs, 63 NumberOfFragments, 72 HoareAnnotationTreeSize, 56 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 213 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 412 SizeOfPredicates, 2 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 57/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: ((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((pumpRunning == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:14:27,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665dfdc0-9fc4-4c46-98e0-4e04ac304b99/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE