./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB --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 190527f0b5c755657048457e241e1db06174c0bd15c9c37dddb3c55b0e7d73ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:17:16,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:17:16,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:17:16,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:17:16,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:17:16,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:17:16,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:17:16,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:17:16,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:17:16,201 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:17:16,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:17:16,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:17:16,202 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:17:16,202 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:17:16,202 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:17:16,203 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:17:16,203 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:17:16,203 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:17:16,203 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:17:16,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:17:16,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:17:16,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:17:16,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:17:16,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:17:16,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:17:16,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:17:16,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:17:16,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:17:16,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:17:16,206 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:17:16,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:17:16,207 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:17:16,207 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:17:16,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:17:16,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:17:16,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:17:16,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:17:16,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:17:16,208 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:17:16,208 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 190527f0b5c755657048457e241e1db06174c0bd15c9c37dddb3c55b0e7d73ce [2024-11-28 04:17:16,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:17:16,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:17:16,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:17:16,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:17:16,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:17:16,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c [2024-11-28 04:17:19,514 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/data/2070406fa/47a63b500c974ff0bc68d0ea50125683/FLAG9e0307be2 [2024-11-28 04:17:19,900 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:17:19,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c [2024-11-28 04:17:19,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/data/2070406fa/47a63b500c974ff0bc68d0ea50125683/FLAG9e0307be2 [2024-11-28 04:17:19,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/data/2070406fa/47a63b500c974ff0bc68d0ea50125683 [2024-11-28 04:17:19,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:17:19,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:17:19,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:17:19,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:17:19,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:17:19,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:17:19" (1/1) ... [2024-11-28 04:17:19,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b9f1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:19, skipping insertion in model container [2024-11-28 04:17:19,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:17:19" (1/1) ... [2024-11-28 04:17:20,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:17:20,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:17:20,331 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:17:20,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-28 04:17:20,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [150] [2024-11-28 04:17:20,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [516] [2024-11-28 04:17:20,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [554] [2024-11-28 04:17:20,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [582] [2024-11-28 04:17:20,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [681] [2024-11-28 04:17:20,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [749] [2024-11-28 04:17:20,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [929] [2024-11-28 04:17:20,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:17:20,428 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:17:20,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20 WrapperNode [2024-11-28 04:17:20,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:17:20,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:17:20,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:17:20,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:17:20,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,508 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 60, statements flattened = 403 [2024-11-28 04:17:20,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:17:20,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:17:20,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:17:20,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:17:20,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,527 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,556 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:17:20,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:17:20,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:17:20,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:17:20,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:17:20,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (1/1) ... [2024-11-28 04:17:20,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:17:20,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:20,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:17:20,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:17:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:17:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:17:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:17:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:17:20,763 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:17:20,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:17:21,188 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-28 04:17:21,188 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:17:21,200 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:17:21,201 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:17:21,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:21 BoogieIcfgContainer [2024-11-28 04:17:21,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:17:21,202 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:17:21,202 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:17:21,209 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:17:21,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:17:21,210 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:17:19" (1/3) ... [2024-11-28 04:17:21,211 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29007d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:17:21, skipping insertion in model container [2024-11-28 04:17:21,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:17:21,211 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:20" (2/3) ... [2024-11-28 04:17:21,211 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29007d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:17:21, skipping insertion in model container [2024-11-28 04:17:21,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:17:21,211 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:21" (3/3) ... [2024-11-28 04:17:21,213 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product42.cil.c [2024-11-28 04:17:21,279 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:17:21,280 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:17:21,280 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:17:21,280 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:17:21,280 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:17:21,280 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:17:21,281 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:17:21,281 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:17:21,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 states have internal predecessors, (161), 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) [2024-11-28 04:17:21,313 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2024-11-28 04:17:21,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:17:21,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:17:21,321 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:21,322 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:21,322 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:17:21,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 states have internal predecessors, (161), 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) [2024-11-28 04:17:21,333 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2024-11-28 04:17:21,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:17:21,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:17:21,334 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:21,335 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:21,341 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:17:21,342 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:17:21,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:21,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-28 04:17:21,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:17:21,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821152481] [2024-11-28 04:17:21,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:21,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:21,451 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:17:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:21,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:17:21,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:21,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1625288655, now seen corresponding path program 1 times [2024-11-28 04:17:21,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:17:21,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998794840] [2024-11-28 04:17:21,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:21,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:21,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:17:21,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998794840] [2024-11-28 04:17:21,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998794840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:21,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447548698] [2024-11-28 04:17:21,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:21,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:21,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:21,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:21,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:17:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:21,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:17:21,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:21,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:21,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447548698] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:17:21,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:17:21,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 04:17:21,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389041098] [2024-11-28 04:17:21,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:21,775 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 04:17:21,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:17:21,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:21,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:21,810 INFO L87 Difference]: Start difference. First operand has 119 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 states have internal predecessors, (161), 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-28 04:17:21,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:21,855 INFO L93 Difference]: Finished difference Result 113 states and 145 transitions. [2024-11-28 04:17:21,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 145 transitions. [2024-11-28 04:17:21,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-28 04:17:21,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 103 states and 134 transitions. [2024-11-28 04:17:21,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 103 [2024-11-28 04:17:21,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 103 [2024-11-28 04:17:21,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 134 transitions. [2024-11-28 04:17:21,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:17:21,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 134 transitions. [2024-11-28 04:17:21,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 134 transitions. [2024-11-28 04:17:21,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-28 04:17:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.3009708737864079) internal successors, (134), 102 states have internal predecessors, (134), 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) [2024-11-28 04:17:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 134 transitions. [2024-11-28 04:17:21,906 INFO L240 hiAutomatonCegarLoop]: Abstraction has 103 states and 134 transitions. [2024-11-28 04:17:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:21,914 INFO L425 stractBuchiCegarLoop]: Abstraction has 103 states and 134 transitions. [2024-11-28 04:17:21,914 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:17:21,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states and 134 transitions. [2024-11-28 04:17:21,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-28 04:17:21,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:17:21,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:17:21,919 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:21,919 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] [2024-11-28 04:17:21,919 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:17:21,920 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:17:21,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:21,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-28 04:17:21,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:17:21,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148307604] [2024-11-28 04:17:21,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:21,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:21,952 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:17:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:21,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:17:21,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:21,966 INFO L85 PathProgramCache]: Analyzing trace with hash -950033732, now seen corresponding path program 1 times [2024-11-28 04:17:21,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:17:21,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415006760] [2024-11-28 04:17:21,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:21,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:21,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:17:21,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415006760] [2024-11-28 04:17:21,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415006760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:21,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584531066] [2024-11-28 04:17:21,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:21,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:21,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:21,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:22,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:17:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:22,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:17:22,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:22,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:22,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584531066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:17:22,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:17:22,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 04:17:22,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557475705] [2024-11-28 04:17:22,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:22,078 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 04:17:22,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:17:22,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:22,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:22,079 INFO L87 Difference]: Start difference. First operand 103 states and 134 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-28 04:17:22,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:22,180 INFO L93 Difference]: Finished difference Result 157 states and 198 transitions. [2024-11-28 04:17:22,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 198 transitions. [2024-11-28 04:17:22,183 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-28 04:17:22,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 157 states and 198 transitions. [2024-11-28 04:17:22,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 157 [2024-11-28 04:17:22,189 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 157 [2024-11-28 04:17:22,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 198 transitions. [2024-11-28 04:17:22,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:17:22,190 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 198 transitions. [2024-11-28 04:17:22,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 198 transitions. [2024-11-28 04:17:22,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-28 04:17:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.2611464968152866) internal successors, (198), 156 states have internal predecessors, (198), 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) [2024-11-28 04:17:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 198 transitions. [2024-11-28 04:17:22,206 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 198 transitions. [2024-11-28 04:17:22,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:22,207 INFO L425 stractBuchiCegarLoop]: Abstraction has 157 states and 198 transitions. [2024-11-28 04:17:22,208 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 04:17:22,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 198 transitions. [2024-11-28 04:17:22,209 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-28 04:17:22,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:17:22,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:17:22,211 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:22,212 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] [2024-11-28 04:17:22,212 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:17:22,212 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1;" "processEnvironment_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1;" "assume !(0 != processEnvironment_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:17:22,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:22,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-28 04:17:22,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:17:22,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874191602] [2024-11-28 04:17:22,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:22,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:22,227 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:17:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:22,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:17:22,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:22,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1895003834, now seen corresponding path program 1 times [2024-11-28 04:17:22,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:17:22,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052479592] [2024-11-28 04:17:22,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:22,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:22,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:17:22,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052479592] [2024-11-28 04:17:22,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052479592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:22,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953592938] [2024-11-28 04:17:22,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:22,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:22,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:22,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:22,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:17:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:22,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:17:22,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:22,486 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:22,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953592938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:17:22,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:17:22,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-28 04:17:22,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972052267] [2024-11-28 04:17:22,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:22,496 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 04:17:22,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:17:22,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:17:22,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:17:22,497 INFO L87 Difference]: Start difference. First operand 157 states and 198 transitions. cyclomatic complexity: 43 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-28 04:17:22,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:22,584 INFO L93 Difference]: Finished difference Result 163 states and 204 transitions. [2024-11-28 04:17:22,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 163 states and 204 transitions. [2024-11-28 04:17:22,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-28 04:17:22,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 163 states to 163 states and 204 transitions. [2024-11-28 04:17:22,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2024-11-28 04:17:22,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2024-11-28 04:17:22,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 204 transitions. [2024-11-28 04:17:22,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:17:22,591 INFO L218 hiAutomatonCegarLoop]: Abstraction has 163 states and 204 transitions. [2024-11-28 04:17:22,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 204 transitions. [2024-11-28 04:17:22,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-28 04:17:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 163 states have (on average 1.2515337423312884) internal successors, (204), 162 states have internal predecessors, (204), 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) [2024-11-28 04:17:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 204 transitions. [2024-11-28 04:17:22,605 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 204 transitions. [2024-11-28 04:17:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:17:22,609 INFO L425 stractBuchiCegarLoop]: Abstraction has 163 states and 204 transitions. [2024-11-28 04:17:22,609 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 04:17:22,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 204 transitions. [2024-11-28 04:17:22,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-28 04:17:22,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:17:22,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:17:22,611 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:22,611 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] [2024-11-28 04:17:22,611 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:17:22,611 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1;" "processEnvironment_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1;" "assume !(0 != processEnvironment_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:17:22,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:22,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-11-28 04:17:22,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:17:22,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759067110] [2024-11-28 04:17:22,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:22,638 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:17:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:22,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:17:22,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:22,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1308197820, now seen corresponding path program 1 times [2024-11-28 04:17:22,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:17:22,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236579991] [2024-11-28 04:17:22,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:22,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:22,678 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:17:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:22,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:17:22,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:22,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1735764736, now seen corresponding path program 1 times [2024-11-28 04:17:22,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:17:22,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208149328] [2024-11-28 04:17:22,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:22,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:22,738 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:17:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:22,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:17:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:24,074 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:17:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:17:24,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:17:24 BoogieIcfgContainer [2024-11-28 04:17:24,148 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:17:24,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:17:24,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:17:24,150 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:17:24,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:21" (3/4) ... [2024-11-28 04:17:24,152 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 04:17:24,216 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:17:24,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:17:24,218 INFO L158 Benchmark]: Toolchain (without parser) took 4260.72ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.3MB in the beginning and 200.6MB in the end (delta: -107.4MB). Peak memory consumption was 124.6MB. Max. memory is 16.1GB. [2024-11-28 04:17:24,219 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:17:24,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.53ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 74.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:17:24,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.42ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 72.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:17:24,220 INFO L158 Benchmark]: Boogie Preprocessor took 79.40ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:17:24,220 INFO L158 Benchmark]: RCFGBuilder took 612.58ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 49.6MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:17:24,220 INFO L158 Benchmark]: BuchiAutomizer took 2945.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.6MB in the beginning and 203.0MB in the end (delta: -153.4MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2024-11-28 04:17:24,221 INFO L158 Benchmark]: Witness Printer took 67.47ms. Allocated memory is still 352.3MB. Free memory was 203.0MB in the beginning and 200.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:17:24,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.53ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 74.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.42ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 72.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 79.40ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 612.58ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 49.6MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2945.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.6MB in the beginning and 203.0MB in the end (delta: -153.4MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. * Witness Printer took 67.47ms. Allocated memory is still 352.3MB. Free memory was 203.0MB in the beginning and 200.6MB in the end (delta: 2.4MB). There was no memory consumed. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [150] - GenericResultAtLocation [Line: 516]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [516] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [554] - GenericResultAtLocation [Line: 582]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [582] - GenericResultAtLocation [Line: 681]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [681] - GenericResultAtLocation [Line: 749]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [749] - GenericResultAtLocation [Line: 929]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [929] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 163 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 247 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 247 mSDsluCounter, 718 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 310 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 408 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 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: 695]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L583] int cleanupTimeShifts = 4; [L752] int pumpRunning = 0; [L753] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L659] int retValue_acc ; [L660] int tmp ; [L664] FCALL select_helpers() [L665] FCALL select_features() [L666] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L666] RET, EXPR valid_product() [L666] tmp = valid_product() [L668] COND TRUE \read(tmp) [L670] FCALL setup() [L671] CALL runTest() [L653] CALL test() [L684] int splverifierCounter ; [L685] int tmp ; [L686] int tmp___0 ; [L687] int tmp___1 ; [L688] int tmp___2 ; [L691] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L695] COND TRUE splverifierCounter < 4 [L701] tmp = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp)) [L711] tmp___0 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___0)) [L721] tmp___2 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___2) [L725] CALL startSystem() [L925] systemActive = 1 [L725] RET startSystem() [L738] CALL timeShift() [L759] COND FALSE !(\read(pumpRunning)) [L766] COND TRUE \read(systemActive) [L768] CALL processEnvironment() [L788] int tmp ; [L791] COND TRUE ! pumpRunning [L793] CALL, EXPR isHighWaterLevel() [L903] int retValue_acc ; [L904] int tmp ; [L905] int tmp___0 ; [L909] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L909] RET, EXPR isHighWaterSensorDry() [L909] tmp = isHighWaterSensorDry() [L911] COND TRUE \read(tmp) [L912] tmp___0 = 0 [L916] retValue_acc = tmp___0 [L917] return (retValue_acc); [L793] RET, EXPR isHighWaterLevel() [L793] tmp = isHighWaterLevel() [L795] COND FALSE !(\read(tmp)) [L801] FCALL processEnvironment__wrappee__base() [L768] RET processEnvironment() [L774] CALL __utac_acc__Specification4_spec__1() [L558] int tmp ; [L559] int tmp___0 ; [L563] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L563] RET, EXPR getWaterLevel() [L563] tmp = getWaterLevel() [L565] COND FALSE !(tmp == 0) [L774] RET __utac_acc__Specification4_spec__1() [L738] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 695]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L583] int cleanupTimeShifts = 4; [L752] int pumpRunning = 0; [L753] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L659] int retValue_acc ; [L660] int tmp ; [L664] FCALL select_helpers() [L665] FCALL select_features() [L666] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L666] RET, EXPR valid_product() [L666] tmp = valid_product() [L668] COND TRUE \read(tmp) [L670] FCALL setup() [L671] CALL runTest() [L653] CALL test() [L684] int splverifierCounter ; [L685] int tmp ; [L686] int tmp___0 ; [L687] int tmp___1 ; [L688] int tmp___2 ; [L691] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L695] COND TRUE splverifierCounter < 4 [L701] tmp = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp)) [L711] tmp___0 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___0)) [L721] tmp___2 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___2) [L725] CALL startSystem() [L925] systemActive = 1 [L725] RET startSystem() [L738] CALL timeShift() [L759] COND FALSE !(\read(pumpRunning)) [L766] COND TRUE \read(systemActive) [L768] CALL processEnvironment() [L788] int tmp ; [L791] COND TRUE ! pumpRunning [L793] CALL, EXPR isHighWaterLevel() [L903] int retValue_acc ; [L904] int tmp ; [L905] int tmp___0 ; [L909] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L909] RET, EXPR isHighWaterSensorDry() [L909] tmp = isHighWaterSensorDry() [L911] COND TRUE \read(tmp) [L912] tmp___0 = 0 [L916] retValue_acc = tmp___0 [L917] return (retValue_acc); [L793] RET, EXPR isHighWaterLevel() [L793] tmp = isHighWaterLevel() [L795] COND FALSE !(\read(tmp)) [L801] FCALL processEnvironment__wrappee__base() [L768] RET processEnvironment() [L774] CALL __utac_acc__Specification4_spec__1() [L558] int tmp ; [L559] int tmp___0 ; [L563] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L563] RET, EXPR getWaterLevel() [L563] tmp = getWaterLevel() [L565] COND FALSE !(tmp == 0) [L774] RET __utac_acc__Specification4_spec__1() [L738] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 04:17:24,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:17:24,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:17:24,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:17:24,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf77b49-a575-40ee-89d4-5a66ef66c49a/bin/uautomizer-verify-aQ6SnzHsRB/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)