./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd --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 29e70cf9c9b1d0bd005d907ed1d78af9dd0d19752a19f66dfee72f35dd243fc7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:45:46,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:45:46,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 13:45:46,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:45:46,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:45:46,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:45:46,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:45:46,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:45:46,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:45:46,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:45:46,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:45:46,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:45:46,141 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:45:46,141 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 13:45:46,141 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 13:45:46,142 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 13:45:46,142 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 13:45:46,143 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 13:45:46,143 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 13:45:46,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:45:46,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 13:45:46,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:45:46,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:45:46,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:45:46,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:45:46,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 13:45:46,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 13:45:46,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 13:45:46,144 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:45:46,145 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:45:46,145 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:45:46,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:45:46,145 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 13:45:46,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:45:46,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:45:46,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:45:46,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:45:46,146 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:45:46,146 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 13:45:46,146 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_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd 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 -> 29e70cf9c9b1d0bd005d907ed1d78af9dd0d19752a19f66dfee72f35dd243fc7 [2024-11-13 13:45:46,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:45:46,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:45:46,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:45:46,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:45:46,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:45:46,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c Unable to find full path for "g++" [2024-11-13 13:45:48,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:45:49,487 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:45:49,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2024-11-13 13:45:49,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/data/b907e6c4a/3ccac7abece040898a36afab573e5636/FLAGdbd694476 [2024-11-13 13:45:49,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/data/b907e6c4a/3ccac7abece040898a36afab573e5636 [2024-11-13 13:45:49,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:45:49,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:45:49,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:45:49,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:45:49,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:45:49,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:45:49" (1/1) ... [2024-11-13 13:45:49,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594d16d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:49, skipping insertion in model container [2024-11-13 13:45:49,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:45:49" (1/1) ... [2024-11-13 13:45:49,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:45:50,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:45:50,043 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:45:50,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-13 13:45:50,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2024-11-13 13:45:50,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [519] [2024-11-13 13:45:50,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [705] [2024-11-13 13:45:50,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [770] [2024-11-13 13:45:50,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [865] [2024-11-13 13:45:50,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [874] [2024-11-13 13:45:50,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [908] [2024-11-13 13:45:50,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:45:50,205 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:45:50,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50 WrapperNode [2024-11-13 13:45:50,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:45:50,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:45:50,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:45:50,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:45:50,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,306 INFO L138 Inliner]: procedures = 53, calls = 99, calls flagged for inlining = 52, calls inlined = 83, statements flattened = 562 [2024-11-13 13:45:50,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:45:50,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:45:50,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:45:50,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:45:50,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,367 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]. [2024-11-13 13:45:50,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:45:50,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:45:50,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:45:50,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:45:50,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (1/1) ... [2024-11-13 13:45:50,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:45:50,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:45:50,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:45:50,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 13:45:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:45:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:45:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:45:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:45:50,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:45:50,632 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:45:51,359 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-13 13:45:51,360 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:45:51,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:45:51,384 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:45:51,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:45:51 BoogieIcfgContainer [2024-11-13 13:45:51,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:45:51,387 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 13:45:51,388 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 13:45:51,393 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 13:45:51,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:45:51,394 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 01:45:49" (1/3) ... [2024-11-13 13:45:51,396 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74b6ffa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:45:51, skipping insertion in model container [2024-11-13 13:45:51,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:45:51,396 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:45:50" (2/3) ... [2024-11-13 13:45:51,396 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74b6ffa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:45:51, skipping insertion in model container [2024-11-13 13:45:51,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:45:51,397 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:45:51" (3/3) ... [2024-11-13 13:45:51,399 INFO L333 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2024-11-13 13:45:51,484 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 13:45:51,484 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 13:45:51,484 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 13:45:51,485 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 13:45:51,485 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 13:45:51,485 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 13:45:51,486 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 13:45:51,486 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 13:45:51,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 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) [2024-11-13 13:45:51,550 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-13 13:45:51,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:45:51,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:45:51,557 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:51,557 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:51,557 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 13:45:51,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 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) [2024-11-13 13:45:51,565 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-13 13:45:51,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:45:51,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:45:51,566 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:51,566 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:51,573 INFO L745 eck$LassoCheckResult]: Stem: 32#$Ultimate##0true 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 27#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 136#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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; 112#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 66#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 86#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 129#L716-2true [2024-11-13 13:45:51,573 INFO L747 eck$LassoCheckResult]: Loop: 129#L716-2true assume !false; 23#L717true assume test_~splverifierCounter~0#1 < 4; 114#L718true havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 113#L726true assume !(0 != test_~tmp~7#1); 94#L726-2true havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 36#L736true assume !(0 != test_~tmp___0~1#1); 57#L736-2true havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 105#L746true assume 0 != test_~tmp___2~0#1; 90#L752-2true assume { :begin_inline_timeShift } true; 106#L535true assume !(0 != ~pumpRunning~0); 157#L535-2true assume !(0 != ~systemActive~0); 65#L542-1true 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~8#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~8#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~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 85#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 28#L884true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 99#L890-1true 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~8#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; 74#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 129#L716-2true [2024-11-13 13:45:51,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:51,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-13 13:45:51,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:51,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115055137] [2024-11-13 13:45:51,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:51,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:51,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:45:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:51,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:45:51,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:51,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1789574614, now seen corresponding path program 1 times [2024-11-13 13:45:51,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:51,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123895004] [2024-11-13 13:45:51,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:51,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:51,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:45:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:51,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:45:51,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:51,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1149973606, now seen corresponding path program 1 times [2024-11-13 13:45:51,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:51,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303993070] [2024-11-13 13:45:51,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:51,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:45:52,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:52,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303993070] [2024-11-13 13:45:52,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303993070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:52,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:52,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:45:52,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340714974] [2024-11-13 13:45:52,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:52,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:52,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:45:52,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:45:52,340 INFO L87 Difference]: Start difference. First operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 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 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-11-13 13:45:52,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:52,463 INFO L93 Difference]: Finished difference Result 159 states and 208 transitions. [2024-11-13 13:45:52,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 208 transitions. [2024-11-13 13:45:52,471 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-13 13:45:52,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 149 states and 198 transitions. [2024-11-13 13:45:52,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2024-11-13 13:45:52,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2024-11-13 13:45:52,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 198 transitions. [2024-11-13 13:45:52,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:45:52,489 INFO L218 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-13 13:45:52,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 198 transitions. [2024-11-13 13:45:52,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-13 13:45:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 149 states have (on average 1.3288590604026846) internal successors, (198), 148 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) [2024-11-13 13:45:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 198 transitions. [2024-11-13 13:45:52,526 INFO L240 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-13 13:45:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:45:52,531 INFO L424 stractBuchiCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-13 13:45:52,532 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 13:45:52,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 198 transitions. [2024-11-13 13:45:52,534 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-13 13:45:52,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:45:52,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:45:52,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:52,536 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] [2024-11-13 13:45:52,536 INFO L745 eck$LassoCheckResult]: Stem: 391#$Ultimate##0 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 392#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 386#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 387#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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; 470#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 436#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 437#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 444#L716-2 [2024-11-13 13:45:52,537 INFO L747 eck$LassoCheckResult]: Loop: 444#L716-2 assume !false; 376#L717 assume test_~splverifierCounter~0#1 < 4; 377#L718 havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 471#L726 assume !(0 != test_~tmp~7#1); 460#L726-2 havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 398#L736 assume !(0 != test_~tmp___0~1#1); 399#L736-2 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 429#L746 assume 0 != test_~tmp___2~0#1; 455#L752-2 assume { :begin_inline_timeShift } true; 456#L535 assume !(0 != ~pumpRunning~0); 466#L535-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 462#L593 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 450#L567-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 342#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 343#L567-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 467#L593-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 434#L542-1 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~8#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~8#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~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 435#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 383#L884 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 384#L890-1 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~8#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; 443#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 444#L716-2 [2024-11-13 13:45:52,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:52,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-13 13:45:52,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:52,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725079499] [2024-11-13 13:45:52,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:52,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:52,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:45:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:52,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:45:52,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:52,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1416013516, now seen corresponding path program 1 times [2024-11-13 13:45:52,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:52,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403464215] [2024-11-13 13:45:52,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:52,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:45:52,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:52,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403464215] [2024-11-13 13:45:52,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403464215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:52,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:52,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:45:52,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026553745] [2024-11-13 13:45:52,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:52,640 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 13:45:52,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:52,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:45:52,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:45:52,641 INFO L87 Difference]: Start difference. First operand 149 states and 198 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-13 13:45:52,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:52,780 INFO L93 Difference]: Finished difference Result 210 states and 269 transitions. [2024-11-13 13:45:52,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 269 transitions. [2024-11-13 13:45:52,783 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2024-11-13 13:45:52,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 210 states and 269 transitions. [2024-11-13 13:45:52,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2024-11-13 13:45:52,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2024-11-13 13:45:52,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 269 transitions. [2024-11-13 13:45:52,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:45:52,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 210 states and 269 transitions. [2024-11-13 13:45:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 269 transitions. [2024-11-13 13:45:52,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-13 13:45:52,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 210 states have (on average 1.2809523809523808) internal successors, (269), 209 states have internal predecessors, (269), 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) [2024-11-13 13:45:52,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 269 transitions. [2024-11-13 13:45:52,799 INFO L240 hiAutomatonCegarLoop]: Abstraction has 210 states and 269 transitions. [2024-11-13 13:45:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:45:52,800 INFO L424 stractBuchiCegarLoop]: Abstraction has 210 states and 269 transitions. [2024-11-13 13:45:52,801 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 13:45:52,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 269 transitions. [2024-11-13 13:45:52,803 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2024-11-13 13:45:52,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:45:52,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:45:52,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:52,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:52,804 INFO L745 eck$LassoCheckResult]: Stem: 757#$Ultimate##0 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 758#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 750#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 751#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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; 838#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 800#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 801#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 809#L716-2 [2024-11-13 13:45:52,805 INFO L747 eck$LassoCheckResult]: Loop: 809#L716-2 assume !false; 740#L717 assume test_~splverifierCounter~0#1 < 4; 741#L718 havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 837#L726 assume !(0 != test_~tmp~7#1); 827#L726-2 havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 761#L736 assume !(0 != test_~tmp___0~1#1); 762#L736-2 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 791#L746 assume 0 != test_~tmp___2~0#1; 820#L752-2 assume { :begin_inline_timeShift } true; 821#L535 assume !(0 != ~pumpRunning~0); 833#L535-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 829#L593 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 814#L567-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 721#L855-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 722#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1; 772#L695-3 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0; 823#L695-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 855#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret28#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret28#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1; 841#L571-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 766#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 767#L567-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 834#L593-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 798#L542-1 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~8#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~8#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~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 799#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 747#L884 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 748#L890-1 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~8#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; 808#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 809#L716-2 [2024-11-13 13:45:52,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:52,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-13 13:45:52,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:52,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143593864] [2024-11-13 13:45:52,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:52,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:52,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:45:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:52,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:45:52,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:52,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1726387348, now seen corresponding path program 1 times [2024-11-13 13:45:52,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:52,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59923662] [2024-11-13 13:45:52,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:52,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:52,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:45:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:52,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:45:52,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:52,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1351099608, now seen corresponding path program 1 times [2024-11-13 13:45:52,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:52,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001263526] [2024-11-13 13:45:52,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:52,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:45:53,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:53,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001263526] [2024-11-13 13:45:53,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001263526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:53,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:53,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:45:53,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426335423] [2024-11-13 13:45:53,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:53,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:53,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:45:53,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:45:53,337 INFO L87 Difference]: Start difference. First operand 210 states and 269 transitions. cyclomatic complexity: 61 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-13 13:45:53,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:53,527 INFO L93 Difference]: Finished difference Result 413 states and 523 transitions. [2024-11-13 13:45:53,527 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 413 states and 523 transitions. [2024-11-13 13:45:53,533 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 292 [2024-11-13 13:45:53,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 413 states to 413 states and 523 transitions. [2024-11-13 13:45:53,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 413 [2024-11-13 13:45:53,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 413 [2024-11-13 13:45:53,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 413 states and 523 transitions. [2024-11-13 13:45:53,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:45:53,546 INFO L218 hiAutomatonCegarLoop]: Abstraction has 413 states and 523 transitions. [2024-11-13 13:45:53,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states and 523 transitions. [2024-11-13 13:45:53,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-13 13:45:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 413 states have (on average 1.2663438256658595) internal successors, (523), 412 states have internal predecessors, (523), 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) [2024-11-13 13:45:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 523 transitions. [2024-11-13 13:45:53,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 413 states and 523 transitions. [2024-11-13 13:45:53,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:45:53,600 INFO L424 stractBuchiCegarLoop]: Abstraction has 413 states and 523 transitions. [2024-11-13 13:45:53,601 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 13:45:53,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 413 states and 523 transitions. [2024-11-13 13:45:53,608 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 292 [2024-11-13 13:45:53,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:45:53,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:45:53,613 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:53,613 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:53,613 INFO L745 eck$LassoCheckResult]: Stem: 1395#$Ultimate##0 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1388#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1389#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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; 1495#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1444#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1445#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1468#L716-2 [2024-11-13 13:45:53,614 INFO L747 eck$LassoCheckResult]: Loop: 1468#L716-2 assume !false; 1719#L717 assume test_~splverifierCounter~0#1 < 4; 1720#L718 havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1494#L726 assume !(0 != test_~tmp~7#1); 1480#L726-2 havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 1399#L736 assume !(0 != test_~tmp___0~1#1); 1400#L736-2 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 1433#L746 assume 0 != test_~tmp___2~0#1; 1562#L752-2 assume { :begin_inline_timeShift } true; 1563#L535 assume !(0 != ~pumpRunning~0); 1611#L535-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1484#L593 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 1467#L567-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 1358#L855-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 1359#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1; 1412#L695-3 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1477#L695-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 1597#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret28#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret28#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1; 1595#L571-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1596#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1745#L567-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1744#L593-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1743#L542-1 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~8#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~8#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~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 1742#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 1741#L884 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 1738#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#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; 1725#L890 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1723#L890-1 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~8#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; 1721#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1468#L716-2 [2024-11-13 13:45:53,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:53,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-11-13 13:45:53,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:53,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682535186] [2024-11-13 13:45:53,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:53,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:53,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:45:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:53,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:45:53,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:53,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1199671455, now seen corresponding path program 1 times [2024-11-13 13:45:53,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:53,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232483830] [2024-11-13 13:45:53,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:53,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:53,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:45:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:53,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:45:53,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:53,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1325406179, now seen corresponding path program 1 times [2024-11-13 13:45:53,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:53,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79138803] [2024-11-13 13:45:53,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:53,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:53,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:45:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:53,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:45:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:55,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:45:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:45:55,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 01:45:55 BoogieIcfgContainer [2024-11-13 13:45:55,546 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 13:45:55,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:45:55,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:45:55,548 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:45:55,549 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:45:51" (3/4) ... [2024-11-13 13:45:55,551 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 13:45:55,629 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:45:55,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:45:55,634 INFO L158 Benchmark]: Toolchain (without parser) took 6083.89ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 92.3MB in the beginning and 154.1MB in the end (delta: -61.8MB). Peak memory consumption was 166.7MB. Max. memory is 16.1GB. [2024-11-13 13:45:55,634 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:45:55,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:45:55,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.25ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 71.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:45:55,638 INFO L158 Benchmark]: Boogie Preprocessor took 103.74ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 68.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:45:55,638 INFO L158 Benchmark]: RCFGBuilder took 972.36ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 42.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:45:55,639 INFO L158 Benchmark]: BuchiAutomizer took 4158.93ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 42.2MB in the beginning and 156.7MB in the end (delta: -114.5MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. [2024-11-13 13:45:55,639 INFO L158 Benchmark]: Witness Printer took 83.11ms. Allocated memory is still 343.9MB. Free memory was 156.7MB in the beginning and 154.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:45:55,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.25ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 71.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 103.74ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 68.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 972.36ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 42.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 4158.93ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 42.2MB in the beginning and 156.7MB in the end (delta: -114.5MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. * Witness Printer took 83.11ms. Allocated memory is still 343.9MB. Free memory was 156.7MB in the beginning and 154.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [519] - GenericResultAtLocation [Line: 705]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [705] - GenericResultAtLocation [Line: 770]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [770] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [865] - GenericResultAtLocation [Line: 874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [874] - GenericResultAtLocation [Line: 908]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [908] * 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 6 locations. The remainder module has 413 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. 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, 504 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 504 mSDsluCounter, 1615 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1021 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 594 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 716]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L772] int waterLevel = 1; [L773] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L935] int retValue_acc ; [L938] retValue_acc = 1 [L939] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L707] int splverifierCounter ; [L708] int tmp ; [L709] int tmp___0 ; [L710] int tmp___1 ; [L711] int tmp___2 ; [L714] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L716] COND TRUE 1 [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp)) [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___0)) [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___2) [L759] CALL timeShift() [L535] COND FALSE !(\read(pumpRunning)) [L542] COND TRUE \read(systemActive) [L544] CALL processEnvironment() [L590] int tmp ; [L593] COND FALSE !(\read(pumpRunning)) [L608] CALL processEnvironment__wrappee__highWaterSensor() [L564] int tmp ; [L567] COND TRUE ! pumpRunning [L569] CALL, EXPR isHighWaterLevel() [L687] int retValue_acc ; [L688] int tmp ; [L689] int tmp___0 ; [L693] CALL, EXPR isHighWaterSensorDry() [L852] int retValue_acc ; [L855] COND TRUE waterLevel < 2 [L856] retValue_acc = 1 [L857] return (retValue_acc); [L693] RET, EXPR isHighWaterSensorDry() [L693] tmp = isHighWaterSensorDry() [L695] COND TRUE \read(tmp) [L696] tmp___0 = 0 [L700] retValue_acc = tmp___0 [L701] return (retValue_acc); [L569] RET, EXPR isHighWaterLevel() [L569] tmp = isHighWaterLevel() [L571] COND FALSE !(\read(tmp)) [L577] FCALL processEnvironment__wrappee__base() [L608] RET processEnvironment__wrappee__highWaterSensor() [L544] RET processEnvironment() [L550] CALL __utac_acc__Specification3_spec__1() [L876] int tmp ; [L877] int tmp___0 ; [L878] int tmp___1 ; [L882] CALL, EXPR isMethaneLevelCritical() [L811] int retValue_acc ; [L814] retValue_acc = methaneLevelCritical [L815] return (retValue_acc); [L882] RET, EXPR isMethaneLevelCritical() [L882] tmp = isMethaneLevelCritical() [L884] COND FALSE !(\read(tmp)) [L888] CALL, EXPR getWaterLevel() [L843] int retValue_acc ; [L846] retValue_acc = waterLevel [L847] return (retValue_acc); [L888] RET, EXPR getWaterLevel() [L888] tmp___0 = getWaterLevel() [L890] COND FALSE !(tmp___0 == 2) [L550] RET __utac_acc__Specification3_spec__1() [L759] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 716]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L772] int waterLevel = 1; [L773] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L935] int retValue_acc ; [L938] retValue_acc = 1 [L939] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L707] int splverifierCounter ; [L708] int tmp ; [L709] int tmp___0 ; [L710] int tmp___1 ; [L711] int tmp___2 ; [L714] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L716] COND TRUE 1 [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp)) [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___0)) [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___2) [L759] CALL timeShift() [L535] COND FALSE !(\read(pumpRunning)) [L542] COND TRUE \read(systemActive) [L544] CALL processEnvironment() [L590] int tmp ; [L593] COND FALSE !(\read(pumpRunning)) [L608] CALL processEnvironment__wrappee__highWaterSensor() [L564] int tmp ; [L567] COND TRUE ! pumpRunning [L569] CALL, EXPR isHighWaterLevel() [L687] int retValue_acc ; [L688] int tmp ; [L689] int tmp___0 ; [L693] CALL, EXPR isHighWaterSensorDry() [L852] int retValue_acc ; [L855] COND TRUE waterLevel < 2 [L856] retValue_acc = 1 [L857] return (retValue_acc); [L693] RET, EXPR isHighWaterSensorDry() [L693] tmp = isHighWaterSensorDry() [L695] COND TRUE \read(tmp) [L696] tmp___0 = 0 [L700] retValue_acc = tmp___0 [L701] return (retValue_acc); [L569] RET, EXPR isHighWaterLevel() [L569] tmp = isHighWaterLevel() [L571] COND FALSE !(\read(tmp)) [L577] FCALL processEnvironment__wrappee__base() [L608] RET processEnvironment__wrappee__highWaterSensor() [L544] RET processEnvironment() [L550] CALL __utac_acc__Specification3_spec__1() [L876] int tmp ; [L877] int tmp___0 ; [L878] int tmp___1 ; [L882] CALL, EXPR isMethaneLevelCritical() [L811] int retValue_acc ; [L814] retValue_acc = methaneLevelCritical [L815] return (retValue_acc); [L882] RET, EXPR isMethaneLevelCritical() [L882] tmp = isMethaneLevelCritical() [L884] COND FALSE !(\read(tmp)) [L888] CALL, EXPR getWaterLevel() [L843] int retValue_acc ; [L846] retValue_acc = waterLevel [L847] return (retValue_acc); [L888] RET, EXPR getWaterLevel() [L888] tmp___0 = getWaterLevel() [L890] COND FALSE !(tmp___0 == 2) [L550] RET __utac_acc__Specification3_spec__1() [L759] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 13:45:55,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9b509-cf86-49f3-8f69-22abc57df4b2/bin/uautomizer-verify-qhAvR1uOyd/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)