./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC --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 cbf45a1115fd10e0de4fb28135afee6c1ce9b70ee1cd8750ed2615e2a15c1223 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:37:57,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:37:58,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 00:37:58,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:37:58,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:37:58,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:37:58,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:37:58,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:37:58,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:37:58,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:37:58,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:37:58,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:37:58,137 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:37:58,137 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:37:58,137 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:37:58,138 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:37:58,138 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:37:58,138 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:37:58,138 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:37:58,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:37:58,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:37:58,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:37:58,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:37:58,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:37:58,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:37:58,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:37:58,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:37:58,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:37:58,140 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:37:58,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:37:58,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:37:58,140 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:37:58,140 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:37:58,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:37:58,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:37:58,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:37:58,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:37:58,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:37:58,142 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:37:58,142 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_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC 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 -> cbf45a1115fd10e0de4fb28135afee6c1ce9b70ee1cd8750ed2615e2a15c1223 [2024-11-24 00:37:58,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:37:58,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:37:58,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:37:58,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:37:58,500 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:37:58,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2024-11-24 00:38:02,231 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/data/e50cd92a7/a3529a11cf984621a55e8adffb1f1954/FLAGa7a31a558 [2024-11-24 00:38:02,642 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:38:02,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2024-11-24 00:38:02,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/data/e50cd92a7/a3529a11cf984621a55e8adffb1f1954/FLAGa7a31a558 [2024-11-24 00:38:02,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/data/e50cd92a7/a3529a11cf984621a55e8adffb1f1954 [2024-11-24 00:38:02,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:38:02,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:38:02,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:38:02,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:38:02,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:38:02,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:38:02" (1/1) ... [2024-11-24 00:38:02,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b2dea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:02, skipping insertion in model container [2024-11-24 00:38:02,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:38:02" (1/1) ... [2024-11-24 00:38:02,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:38:03,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:38:03,191 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:38:03,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-24 00:38:03,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-24 00:38:03,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] [2024-11-24 00:38:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520] [2024-11-24 00:38:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [587] [2024-11-24 00:38:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [744] [2024-11-24 00:38:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] [2024-11-24 00:38:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [878] [2024-11-24 00:38:03,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:38:03,334 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:38:03,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03 WrapperNode [2024-11-24 00:38:03,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:38:03,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:38:03,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:38:03,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:38:03,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,422 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 48, calls inlined = 53, statements flattened = 358 [2024-11-24 00:38:03,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:38:03,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:38:03,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:38:03,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:38:03,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,447 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,484 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]. [2024-11-24 00:38:03,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,493 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:38:03,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:38:03,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:38:03,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:38:03,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (1/1) ... [2024-11-24 00:38:03,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:03,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:03,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:03,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:38:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:38:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:38:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:38:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:38:03,718 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:38:03,720 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:38:04,177 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-24 00:38:04,178 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:38:04,195 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:38:04,195 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:38:04,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:04 BoogieIcfgContainer [2024-11-24 00:38:04,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:38:04,197 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:38:04,197 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:38:04,206 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:38:04,207 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:38:04,207 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:38:02" (1/3) ... [2024-11-24 00:38:04,209 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b4cdbbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:38:04, skipping insertion in model container [2024-11-24 00:38:04,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:38:04,209 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:03" (2/3) ... [2024-11-24 00:38:04,210 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b4cdbbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:38:04, skipping insertion in model container [2024-11-24 00:38:04,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:38:04,210 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:04" (3/3) ... [2024-11-24 00:38:04,212 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product17.cil.c [2024-11-24 00:38:04,282 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:38:04,283 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:38:04,284 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:38:04,284 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:38:04,285 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:38:04,285 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:38:04,285 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:38:04,285 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:38:04,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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) [2024-11-24 00:38:04,332 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-24 00:38:04,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:38:04,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:38:04,345 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:04,345 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:04,345 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:38:04,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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) [2024-11-24 00:38:04,357 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-24 00:38:04,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:38:04,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:38:04,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:04,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:04,369 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:38:04,370 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:38:04,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:04,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-24 00:38:04,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:04,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140944572] [2024-11-24 00:38:04,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:04,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:04,499 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:04,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:04,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:04,571 INFO L85 PathProgramCache]: Analyzing trace with hash 555772008, now seen corresponding path program 1 times [2024-11-24 00:38:04,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:04,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257047768] [2024-11-24 00:38:04,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:04,617 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:04,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:04,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:04,638 INFO L85 PathProgramCache]: Analyzing trace with hash 599495204, now seen corresponding path program 1 times [2024-11-24 00:38:04,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:04,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821675214] [2024-11-24 00:38:04,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:04,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:04,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:38:04,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821675214] [2024-11-24 00:38:04,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821675214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:38:04,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367247139] [2024-11-24 00:38:04,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:04,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:38:04,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:04,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:38:05,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:38:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:05,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:38:05,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:05,231 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:38:05,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367247139] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:38:05,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:38:05,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 00:38:05,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348283730] [2024-11-24 00:38:05,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:38:05,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:38:05,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:38:05,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:38:05,469 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-11-24 00:38:05,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:05,612 INFO L93 Difference]: Finished difference Result 103 states and 131 transitions. [2024-11-24 00:38:05,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 131 transitions. [2024-11-24 00:38:05,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2024-11-24 00:38:05,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 93 states and 121 transitions. [2024-11-24 00:38:05,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2024-11-24 00:38:05,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 93 [2024-11-24 00:38:05,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 121 transitions. [2024-11-24 00:38:05,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:38:05,644 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 121 transitions. [2024-11-24 00:38:05,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 121 transitions. [2024-11-24 00:38:05,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-24 00:38:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 92 states have internal predecessors, (121), 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) [2024-11-24 00:38:05,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2024-11-24 00:38:05,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 121 transitions. [2024-11-24 00:38:05,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:38:05,688 INFO L425 stractBuchiCegarLoop]: Abstraction has 93 states and 121 transitions. [2024-11-24 00:38:05,688 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:38:05,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 121 transitions. [2024-11-24 00:38:05,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2024-11-24 00:38:05,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:38:05,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:38:05,691 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:05,691 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:05,691 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:38:05,691 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:38:05,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:05,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-24 00:38:05,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:05,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017812746] [2024-11-24 00:38:05,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:05,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:05,710 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:05,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:05,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:05,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1231308929, now seen corresponding path program 1 times [2024-11-24 00:38:05,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:05,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814519491] [2024-11-24 00:38:05,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:05,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:05,757 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:05,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:05,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:05,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1881017019, now seen corresponding path program 1 times [2024-11-24 00:38:05,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:05,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308577707] [2024-11-24 00:38:05,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:05,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:06,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:38:06,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308577707] [2024-11-24 00:38:06,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308577707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:38:06,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074996797] [2024-11-24 00:38:06,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:06,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:38:06,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:38:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:06,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 00:38:06,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:06,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:38:06,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074996797] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:38:06,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:38:06,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-24 00:38:06,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891319967] [2024-11-24 00:38:06,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:38:06,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:38:06,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:38:06,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:38:06,442 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.0) 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) [2024-11-24 00:38:06,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:06,578 INFO L93 Difference]: Finished difference Result 179 states and 231 transitions. [2024-11-24 00:38:06,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 179 states and 231 transitions. [2024-11-24 00:38:06,582 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 124 [2024-11-24 00:38:06,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 179 states to 179 states and 231 transitions. [2024-11-24 00:38:06,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2024-11-24 00:38:06,585 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2024-11-24 00:38:06,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 231 transitions. [2024-11-24 00:38:06,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:38:06,586 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 231 transitions. [2024-11-24 00:38:06,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 231 transitions. [2024-11-24 00:38:06,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-24 00:38:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 179 states have (on average 1.2905027932960893) internal successors, (231), 178 states have internal predecessors, (231), 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) [2024-11-24 00:38:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 231 transitions. [2024-11-24 00:38:06,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 179 states and 231 transitions. [2024-11-24 00:38:06,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:38:06,600 INFO L425 stractBuchiCegarLoop]: Abstraction has 179 states and 231 transitions. [2024-11-24 00:38:06,601 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 00:38:06,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 231 transitions. [2024-11-24 00:38:06,603 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 124 [2024-11-24 00:38:06,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:38:06,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:38:06,604 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:06,604 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] [2024-11-24 00:38:06,605 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:38:06,605 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:38:06,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:06,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-24 00:38:06,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:06,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692105851] [2024-11-24 00:38:06,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:06,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:06,621 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:06,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:06,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:06,643 INFO L85 PathProgramCache]: Analyzing trace with hash -2121901194, now seen corresponding path program 1 times [2024-11-24 00:38:06,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:06,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980760798] [2024-11-24 00:38:06,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:06,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:06,658 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:06,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:06,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:06,673 INFO L85 PathProgramCache]: Analyzing trace with hash 525068090, now seen corresponding path program 1 times [2024-11-24 00:38:06,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:06,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008698298] [2024-11-24 00:38:06,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:06,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:06,704 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:06,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:08,103 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:08,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:38:08 BoogieIcfgContainer [2024-11-24 00:38:08,183 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:38:08,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:38:08,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:38:08,184 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:38:08,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:04" (3/4) ... [2024-11-24 00:38:08,188 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 00:38:08,250 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:38:08,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:38:08,252 INFO L158 Benchmark]: Toolchain (without parser) took 5568.95ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 80.6MB in the end (delta: 10.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-24 00:38:08,252 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:38:08,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.66ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 73.4MB in the end (delta: 18.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:38:08,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.31ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:38:08,254 INFO L158 Benchmark]: Boogie Preprocessor took 97.44ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:38:08,254 INFO L158 Benchmark]: RCFGBuilder took 669.89ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 50.1MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:38:08,255 INFO L158 Benchmark]: BuchiAutomizer took 3985.95ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 83.6MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:38:08,255 INFO L158 Benchmark]: Witness Printer took 66.86ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 80.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:38:08,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.66ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 73.4MB in the end (delta: 18.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.31ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.44ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 669.89ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 50.1MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3985.95ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 83.6MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.86ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 80.6MB in the end (delta: 2.9MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520] - GenericResultAtLocation [Line: 587]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [587] - GenericResultAtLocation [Line: 744]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [744] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] - GenericResultAtLocation [Line: 878]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [878] * 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 7 locations. The remainder module has 179 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.1s. 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 0.0s AutomataMinimizationTime, 2 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, 458 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 458 mSDsluCounter, 812 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 574 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 238 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 535]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L592] int pumpRunning = 0; [L593] int systemActive = 1; [L745] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] int retValue_acc ; [L822] int tmp ; [L826] FCALL select_helpers() [L827] FCALL select_features() [L828] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L828] RET, EXPR valid_product() [L828] tmp = valid_product() [L830] COND TRUE \read(tmp) [L832] FCALL setup() [L833] CALL runTest() [L812] CALL test() [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L535] COND TRUE splverifierCounter < 4 [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L576] CALL timeShift() [L600] COND FALSE !(\read(pumpRunning)) [L607] COND TRUE \read(systemActive) [L609] CALL processEnvironment() [L629] int tmp ; [L632] COND FALSE !(\read(pumpRunning)) [L647] FCALL processEnvironment__wrappee__base() [L609] RET processEnvironment() [L615] CALL __utac_acc__Specification3_spec__1() [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L886] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L886] RET, EXPR isMethaneLevelCritical() [L886] tmp = isMethaneLevelCritical() [L888] COND FALSE !(\read(tmp)) [L892] CALL, EXPR getWaterLevel() [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); [L892] RET, EXPR getWaterLevel() [L892] tmp___0 = getWaterLevel() [L894] COND FALSE !(tmp___0 == 2) [L615] RET __utac_acc__Specification3_spec__1() [L576] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 535]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L592] int pumpRunning = 0; [L593] int systemActive = 1; [L745] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] int retValue_acc ; [L822] int tmp ; [L826] FCALL select_helpers() [L827] FCALL select_features() [L828] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L828] RET, EXPR valid_product() [L828] tmp = valid_product() [L830] COND TRUE \read(tmp) [L832] FCALL setup() [L833] CALL runTest() [L812] CALL test() [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L535] COND TRUE splverifierCounter < 4 [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L576] CALL timeShift() [L600] COND FALSE !(\read(pumpRunning)) [L607] COND TRUE \read(systemActive) [L609] CALL processEnvironment() [L629] int tmp ; [L632] COND FALSE !(\read(pumpRunning)) [L647] FCALL processEnvironment__wrappee__base() [L609] RET processEnvironment() [L615] CALL __utac_acc__Specification3_spec__1() [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L886] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L886] RET, EXPR isMethaneLevelCritical() [L886] tmp = isMethaneLevelCritical() [L888] COND FALSE !(\read(tmp)) [L892] CALL, EXPR getWaterLevel() [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); [L892] RET, EXPR getWaterLevel() [L892] tmp___0 = getWaterLevel() [L894] COND FALSE !(tmp___0 == 2) [L615] RET __utac_acc__Specification3_spec__1() [L576] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:38:08,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:38:08,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:08,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6f534fc-2c1e-4c75-99ad-6ea7e90d2235/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)