./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:03:08,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:03:08,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 08:03:08,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:03:08,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:03:08,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:03:08,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:03:08,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:03:08,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:03:08,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:03:08,961 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:03:08,962 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 08:03:08,963 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 08:03:08,963 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 08:03:08,964 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 08:03:08,965 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 08:03:08,966 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 08:03:08,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:03:08,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 08:03:08,968 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:03:08,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:03:08,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:03:08,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:03:08,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 08:03:08,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 08:03:08,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 08:03:08,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:03:08,973 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:03:08,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:03:08,974 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 08:03:08,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:03:08,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:03:08,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:03:08,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:03:08,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:03:08,978 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 08:03:08,979 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f [2023-11-19 08:03:09,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:03:09,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:03:09,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:03:09,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:03:09,354 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:03:09,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2023-11-19 08:03:12,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:03:12,800 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:03:12,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2023-11-19 08:03:12,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/data/22a51cd22/71ea3ddc6b4745d7b260070127998c7a/FLAG00715bae6 [2023-11-19 08:03:12,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/data/22a51cd22/71ea3ddc6b4745d7b260070127998c7a [2023-11-19 08:03:12,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:03:12,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:03:12,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:12,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:03:12,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:03:12,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:12" (1/1) ... [2023-11-19 08:03:12,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695728c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:12, skipping insertion in model container [2023-11-19 08:03:12,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:12" (1/1) ... [2023-11-19 08:03:12,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:03:13,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:13,252 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:03:13,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-19 08:03:13,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] [2023-11-19 08:03:13,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] [2023-11-19 08:03:13,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [554] [2023-11-19 08:03:13,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] [2023-11-19 08:03:13,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] [2023-11-19 08:03:13,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [839] [2023-11-19 08:03:13,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [908] [2023-11-19 08:03:13,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:13,344 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:03:13,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13 WrapperNode [2023-11-19 08:03:13,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:13,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:13,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:03:13,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:03:13,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,407 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 57, calls inlined = 101, statements flattened = 685 [2023-11-19 08:03:13,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:13,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:03:13,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:03:13,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:03:13,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:03:13,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:03:13,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:03:13,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:03:13,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (1/1) ... [2023-11-19 08:03:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:13,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:13,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:13,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 08:03:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:03:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:03:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:03:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:03:13,672 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:03:13,674 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:14,247 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:14,266 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:14,266 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 08:03:14,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:14 BoogieIcfgContainer [2023-11-19 08:03:14,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:14,273 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 08:03:14,273 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 08:03:14,278 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 08:03:14,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:03:14,279 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:03:12" (1/3) ... [2023-11-19 08:03:14,280 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56ec48d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:14, skipping insertion in model container [2023-11-19 08:03:14,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:03:14,280 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:13" (2/3) ... [2023-11-19 08:03:14,281 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56ec48d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:14, skipping insertion in model container [2023-11-19 08:03:14,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:03:14,281 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:14" (3/3) ... [2023-11-19 08:03:14,283 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2023-11-19 08:03:14,351 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 08:03:14,352 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 08:03:14,352 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 08:03:14,352 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 08:03:14,352 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 08:03:14,352 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 08:03:14,353 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 08:03:14,353 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 08:03:14,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 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) [2023-11-19 08:03:14,392 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2023-11-19 08:03:14,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:14,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:14,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:14,400 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:14,400 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 08:03:14,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 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) [2023-11-19 08:03:14,412 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2023-11-19 08:03:14,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:14,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:14,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:14,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:14,420 INFO L748 eck$LassoCheckResult]: Stem: 106#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 115#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 12#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 173#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 56#valid_product_returnLabel#1true main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 86#L175true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 42#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 191#L850-2true [2023-11-19 08:03:14,421 INFO L750 eck$LassoCheckResult]: Loop: 191#L850-2true assume !false; 149#L851true assume test_~splverifierCounter~0#1 < 4; 95#L852true havoc test_#t~nondet45#1;test_~tmp~10#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 67#L860true assume !(0 != test_~tmp~10#1); 159#L860-2true havoc test_#t~nondet46#1;test_~tmp___0~3#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 49#L870true assume !(0 != test_~tmp___0~3#1); 150#L870-2true havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 109#L880true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 29#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 138#L888-2true assume { :begin_inline_timeShift } true; 48#L609true assume !(0 != ~pumpRunning~0); 194#L609-2true assume !(0 != ~systemActive~0); 58#L616-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 132#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret29#1;havoc __utac_acc__Specification4_spec__1_#t~ret29#1; 69#L566true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 134#L566-1true havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 133#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 191#L850-2true [2023-11-19 08:03:14,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:14,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-19 08:03:14,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:14,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116332487] [2023-11-19 08:03:14,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:14,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:14,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:14,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:14,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:14,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1231957085, now seen corresponding path program 1 times [2023-11-19 08:03:14,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:14,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187754644] [2023-11-19 08:03:14,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:14,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:14,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:14,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187754644] [2023-11-19 08:03:14,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187754644] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:14,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:14,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:14,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788871565] [2023-11-19 08:03:14,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:14,811 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 08:03:14,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:14,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:14,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:14,849 INFO L87 Difference]: Start difference. First operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 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) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-19 08:03:14,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:14,950 INFO L93 Difference]: Finished difference Result 367 states and 483 transitions. [2023-11-19 08:03:14,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 367 states and 483 transitions. [2023-11-19 08:03:14,961 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 240 [2023-11-19 08:03:14,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 367 states to 347 states and 462 transitions. [2023-11-19 08:03:14,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 347 [2023-11-19 08:03:14,975 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 347 [2023-11-19 08:03:14,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 347 states and 462 transitions. [2023-11-19 08:03:14,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:03:14,983 INFO L218 hiAutomatonCegarLoop]: Abstraction has 347 states and 462 transitions. [2023-11-19 08:03:15,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states and 462 transitions. [2023-11-19 08:03:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 344. [2023-11-19 08:03:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 344 states have (on average 1.3313953488372092) internal successors, (458), 343 states have internal predecessors, (458), 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) [2023-11-19 08:03:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 458 transitions. [2023-11-19 08:03:15,045 INFO L240 hiAutomatonCegarLoop]: Abstraction has 344 states and 458 transitions. [2023-11-19 08:03:15,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:15,057 INFO L428 stractBuchiCegarLoop]: Abstraction has 344 states and 458 transitions. [2023-11-19 08:03:15,058 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 08:03:15,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 344 states and 458 transitions. [2023-11-19 08:03:15,062 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 237 [2023-11-19 08:03:15,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:15,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:15,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:15,064 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:15,064 INFO L748 eck$LassoCheckResult]: Stem: 636#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 637#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 630#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 631#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 734#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 576#L175 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 577#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 708#L850-2 [2023-11-19 08:03:15,064 INFO L750 eck$LassoCheckResult]: Loop: 708#L850-2 assume !false; 775#L851 assume test_~splverifierCounter~0#1 < 4; 774#L852 havoc test_#t~nondet45#1;test_~tmp~10#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 751#L860 assume !(0 != test_~tmp~10#1); 626#L860-2 havoc test_#t~nondet46#1;test_~tmp___0~3#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 724#L870 assume !(0 != test_~tmp___0~3#1); 723#L870-2 havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 643#L880 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 644#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 616#L888-2 assume { :begin_inline_timeShift } true; 705#L609 assume !(0 != ~pumpRunning~0); 719#L609-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 762#L667 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 748#L641-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 570#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 571#L641-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 783#L667-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 782#L616-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 781#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret29#1;havoc __utac_acc__Specification4_spec__1_#t~ret29#1; 779#L566 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 777#L566-1 havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 776#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 708#L850-2 [2023-11-19 08:03:15,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:15,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-19 08:03:15,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:15,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254360830] [2023-11-19 08:03:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:15,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:15,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:15,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1933583873, now seen corresponding path program 1 times [2023-11-19 08:03:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:15,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008568303] [2023-11-19 08:03:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:15,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:15,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:15,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:15,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008568303] [2023-11-19 08:03:15,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008568303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:15,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:15,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:15,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028477269] [2023-11-19 08:03:15,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:15,132 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 08:03:15,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:15,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:15,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:15,134 INFO L87 Difference]: Start difference. First operand 344 states and 458 transitions. cyclomatic complexity: 117 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-19 08:03:15,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:15,231 INFO L93 Difference]: Finished difference Result 468 states and 599 transitions. [2023-11-19 08:03:15,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 468 states and 599 transitions. [2023-11-19 08:03:15,237 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2023-11-19 08:03:15,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 468 states to 468 states and 599 transitions. [2023-11-19 08:03:15,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 468 [2023-11-19 08:03:15,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 468 [2023-11-19 08:03:15,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 468 states and 599 transitions. [2023-11-19 08:03:15,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:03:15,248 INFO L218 hiAutomatonCegarLoop]: Abstraction has 468 states and 599 transitions. [2023-11-19 08:03:15,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states and 599 transitions. [2023-11-19 08:03:15,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2023-11-19 08:03:15,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 468 states have (on average 1.2799145299145298) internal successors, (599), 467 states have internal predecessors, (599), 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) [2023-11-19 08:03:15,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 599 transitions. [2023-11-19 08:03:15,275 INFO L240 hiAutomatonCegarLoop]: Abstraction has 468 states and 599 transitions. [2023-11-19 08:03:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:15,277 INFO L428 stractBuchiCegarLoop]: Abstraction has 468 states and 599 transitions. [2023-11-19 08:03:15,277 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 08:03:15,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 468 states and 599 transitions. [2023-11-19 08:03:15,281 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2023-11-19 08:03:15,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:15,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:15,282 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:15,283 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:15,283 INFO L748 eck$LassoCheckResult]: Stem: 1451#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1452#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1446#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1447#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1561#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 1392#L175 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1393#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1522#L850-2 [2023-11-19 08:03:15,283 INFO L750 eck$LassoCheckResult]: Loop: 1522#L850-2 assume !false; 1548#L851 assume test_~splverifierCounter~0#1 < 4; 1549#L852 havoc test_#t~nondet45#1;test_~tmp~10#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 1848#L860 assume !(0 != test_~tmp~10#1); 1846#L860-2 havoc test_#t~nondet46#1;test_~tmp___0~3#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 1552#L870 assume !(0 != test_~tmp___0~3#1); 1551#L870-2 havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 1457#L880 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1458#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1434#L888-2 assume { :begin_inline_timeShift } true; 1530#L609 assume !(0 != ~pumpRunning~0); 1547#L609-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1600#L667 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 1612#L641-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 1852#L992-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 1851#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 1850#L787-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1760#L787-5 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 1757#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1; 1755#L645-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1753#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1752#L641-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1693#L667-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1692#L616-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 1691#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret29#1;havoc __utac_acc__Specification4_spec__1_#t~ret29#1; 1689#L566 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 1685#L566-1 havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1521#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1522#L850-2 [2023-11-19 08:03:15,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:15,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-19 08:03:15,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:15,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368490222] [2023-11-19 08:03:15,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:15,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:15,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:15,312 INFO L85 PathProgramCache]: Analyzing trace with hash -284492839, now seen corresponding path program 1 times [2023-11-19 08:03:15,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:15,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271923524] [2023-11-19 08:03:15,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:15,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:15,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:15,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1535474787, now seen corresponding path program 1 times [2023-11-19 08:03:15,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:15,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983364390] [2023-11-19 08:03:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:15,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:16,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:16,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:03:16 BoogieIcfgContainer [2023-11-19 08:03:16,913 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 08:03:16,914 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:03:16,914 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:03:16,915 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:03:16,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:14" (3/4) ... [2023-11-19 08:03:16,917 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 08:03:17,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:03:17,002 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:03:17,002 INFO L158 Benchmark]: Toolchain (without parser) took 4168.32ms. Allocated memory is still 174.1MB. Free memory was 133.7MB in the beginning and 85.6MB in the end (delta: 48.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-11-19 08:03:17,003 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 117.4MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:03:17,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.58ms. Allocated memory is still 174.1MB. Free memory was 133.7MB in the beginning and 131.8MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 08:03:17,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.41ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 128.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:03:17,004 INFO L158 Benchmark]: Boogie Preprocessor took 57.99ms. Allocated memory is still 174.1MB. Free memory was 128.5MB in the beginning and 125.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:03:17,005 INFO L158 Benchmark]: RCFGBuilder took 805.43ms. Allocated memory is still 174.1MB. Free memory was 125.6MB in the beginning and 98.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 08:03:17,005 INFO L158 Benchmark]: BuchiAutomizer took 2639.81ms. Allocated memory is still 174.1MB. Free memory was 98.4MB in the beginning and 88.7MB in the end (delta: 9.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-19 08:03:17,006 INFO L158 Benchmark]: Witness Printer took 87.53ms. Allocated memory is still 174.1MB. Free memory was 88.7MB in the beginning and 85.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:03:17,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 117.4MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.58ms. Allocated memory is still 174.1MB. Free memory was 133.7MB in the beginning and 131.8MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.41ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 128.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.99ms. Allocated memory is still 174.1MB. Free memory was 128.5MB in the beginning and 125.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 805.43ms. Allocated memory is still 174.1MB. Free memory was 125.6MB in the beginning and 98.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2639.81ms. Allocated memory is still 174.1MB. Free memory was 98.4MB in the beginning and 88.7MB in the end (delta: 9.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 87.53ms. Allocated memory is still 174.1MB. Free memory was 88.7MB in the beginning and 85.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"Test.i","") [87] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [554] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] - GenericResultAtLocation [Line: 839]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [839] - GenericResultAtLocation [Line: 908]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [908] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 468 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 407 mSDsluCounter, 811 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 336 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 475 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 850]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L88] int cleanupTimeShifts = 4; [L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L602] int pumpRunning = 0; [L603] int systemActive = 1; [L909] int waterLevel = 1; [L910] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L841] int splverifierCounter ; [L842] int tmp ; [L843] int tmp___0 ; [L844] int tmp___1 ; [L845] int tmp___2 ; [L848] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L850] COND TRUE 1 [L852] COND TRUE splverifierCounter < 4 [L858] tmp = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp)) [L868] tmp___0 = __VERIFIER_nondet_int() [L870] COND FALSE !(\read(tmp___0)) [L878] tmp___2 = __VERIFIER_nondet_int() [L880] COND TRUE \read(tmp___2) [L882] CALL startSystem() [L835] systemActive = 1 [L882] RET startSystem() [L897] CALL timeShift() [L609] COND FALSE !(\read(pumpRunning)) [L616] COND TRUE \read(systemActive) [L618] CALL processEnvironment() [L664] int tmp ; [L667] COND FALSE !(\read(pumpRunning)) [L682] CALL processEnvironment__wrappee__highWaterSensor() [L638] int tmp ; [L641] COND TRUE ! pumpRunning [L643] CALL, EXPR isHighWaterLevel() [L779] int retValue_acc ; [L780] int tmp ; [L781] int tmp___0 ; [L785] CALL, EXPR isHighWaterSensorDry() [L989] int retValue_acc ; [L992] COND TRUE waterLevel < 2 [L993] retValue_acc = 1 [L994] return (retValue_acc); [L785] RET, EXPR isHighWaterSensorDry() [L785] tmp = isHighWaterSensorDry() [L787] COND TRUE \read(tmp) [L788] tmp___0 = 0 [L792] retValue_acc = tmp___0 [L793] return (retValue_acc); [L643] RET, EXPR isHighWaterLevel() [L643] tmp = isHighWaterLevel() [L645] COND FALSE !(\read(tmp)) [L651] FCALL processEnvironment__wrappee__base() [L682] RET processEnvironment__wrappee__highWaterSensor() [L618] RET processEnvironment() [L624] CALL __utac_acc__Specification4_spec__1() [L559] int tmp ; [L560] int tmp___0 ; [L564] CALL, EXPR getWaterLevel() [L980] int retValue_acc ; [L983] retValue_acc = waterLevel [L984] return (retValue_acc); [L564] RET, EXPR getWaterLevel() [L564] tmp = getWaterLevel() [L566] COND FALSE !(tmp == 0) [L624] RET __utac_acc__Specification4_spec__1() [L897] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 850]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L602] int pumpRunning = 0; [L603] int systemActive = 1; [L909] int waterLevel = 1; [L910] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L841] int splverifierCounter ; [L842] int tmp ; [L843] int tmp___0 ; [L844] int tmp___1 ; [L845] int tmp___2 ; [L848] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L850] COND TRUE 1 [L852] COND TRUE splverifierCounter < 4 [L858] tmp = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp)) [L868] tmp___0 = __VERIFIER_nondet_int() [L870] COND FALSE !(\read(tmp___0)) [L878] tmp___2 = __VERIFIER_nondet_int() [L880] COND TRUE \read(tmp___2) [L882] CALL startSystem() [L835] systemActive = 1 [L882] RET startSystem() [L897] CALL timeShift() [L609] COND FALSE !(\read(pumpRunning)) [L616] COND TRUE \read(systemActive) [L618] CALL processEnvironment() [L664] int tmp ; [L667] COND FALSE !(\read(pumpRunning)) [L682] CALL processEnvironment__wrappee__highWaterSensor() [L638] int tmp ; [L641] COND TRUE ! pumpRunning [L643] CALL, EXPR isHighWaterLevel() [L779] int retValue_acc ; [L780] int tmp ; [L781] int tmp___0 ; [L785] CALL, EXPR isHighWaterSensorDry() [L989] int retValue_acc ; [L992] COND TRUE waterLevel < 2 [L993] retValue_acc = 1 [L994] return (retValue_acc); [L785] RET, EXPR isHighWaterSensorDry() [L785] tmp = isHighWaterSensorDry() [L787] COND TRUE \read(tmp) [L788] tmp___0 = 0 [L792] retValue_acc = tmp___0 [L793] return (retValue_acc); [L643] RET, EXPR isHighWaterLevel() [L643] tmp = isHighWaterLevel() [L645] COND FALSE !(\read(tmp)) [L651] FCALL processEnvironment__wrappee__base() [L682] RET processEnvironment__wrappee__highWaterSensor() [L618] RET processEnvironment() [L624] CALL __utac_acc__Specification4_spec__1() [L559] int tmp ; [L560] int tmp___0 ; [L564] CALL, EXPR getWaterLevel() [L980] int retValue_acc ; [L983] retValue_acc = waterLevel [L984] return (retValue_acc); [L564] RET, EXPR getWaterLevel() [L564] tmp = getWaterLevel() [L566] COND FALSE !(tmp == 0) [L624] RET __utac_acc__Specification4_spec__1() [L897] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 08:03:17,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cea6b1-a231-4cb3-877a-69f737578234/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)