./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_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_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/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_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/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_e1d9e67e-62d9-4ee8-b258-176d3050dad4/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 e3509f37a4190025a6bf9c4e7a81c42e49e3316a9582aab003e20039c8a6c594 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:14:04,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:14:05,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 14:14:05,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:14:05,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:14:05,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:14:05,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:14:05,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:14:05,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:14:05,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:14:05,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:14:05,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:14:05,078 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:14:05,079 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:14:05,079 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:14:05,079 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:14:05,080 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:14:05,080 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:14:05,080 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:14:05,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:14:05,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:14:05,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:14:05,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:14:05,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:14:05,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:14:05,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:14:05,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:14:05,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:14:05,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:14:05,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:14:05,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:14:05,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:14:05,082 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:14:05,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:14:05,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:14:05,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:14:05,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:14:05,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:14:05,083 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:14:05,083 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_e1d9e67e-62d9-4ee8-b258-176d3050dad4/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 -> e3509f37a4190025a6bf9c4e7a81c42e49e3316a9582aab003e20039c8a6c594 [2024-11-13 14:14:05,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:14:05,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:14:05,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:14:05,430 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:14:05,431 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:14:05,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c Unable to find full path for "g++" [2024-11-13 14:14:07,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:14:08,023 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:14:08,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c [2024-11-13 14:14:08,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/data/9c99e32d2/bcb92c10d90b4bee946797de57769562/FLAGecc5c2b22 [2024-11-13 14:14:08,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/data/9c99e32d2/bcb92c10d90b4bee946797de57769562 [2024-11-13 14:14:08,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:14:08,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:14:08,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:08,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:14:08,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:14:08,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60667e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08, skipping insertion in model container [2024-11-13 14:14:08,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:14:08,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:08,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:14:08,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-13 14:14:08,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] [2024-11-13 14:14:08,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [156] [2024-11-13 14:14:08,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [343] [2024-11-13 14:14:08,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [439] [2024-11-13 14:14:08,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [448] [2024-11-13 14:14:08,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [543] [2024-11-13 14:14:08,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [909] [2024-11-13 14:14:08,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:08,711 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:14:08,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08 WrapperNode [2024-11-13 14:14:08,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:08,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:08,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:14:08,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:14:08,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,816 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 80, statements flattened = 529 [2024-11-13 14:14:08,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:08,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:14:08,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:14:08,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:14:08,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,865 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 14:14:08,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:14:08,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:14:08,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:14:08,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:14:08,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (1/1) ... [2024-11-13 14:14:08,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:08,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:08,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:08,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:14:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:14:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:14:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:14:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:14:09,110 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:14:09,113 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:14:09,872 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-13 14:14:09,872 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:14:09,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:14:09,892 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:14:09,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:09 BoogieIcfgContainer [2024-11-13 14:14:09,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:14:09,893 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:14:09,894 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:14:09,899 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:14:09,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:14:09,901 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:14:08" (1/3) ... [2024-11-13 14:14:09,902 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dd1037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:14:09, skipping insertion in model container [2024-11-13 14:14:09,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:14:09,903 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:08" (2/3) ... [2024-11-13 14:14:09,903 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dd1037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:14:09, skipping insertion in model container [2024-11-13 14:14:09,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:14:09,903 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:09" (3/3) ... [2024-11-13 14:14:09,905 INFO L333 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2024-11-13 14:14:09,979 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:14:09,979 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:14:09,979 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:14:09,979 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:14:09,979 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:14:09,979 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:14:09,980 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:14:09,980 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:14:09,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3670886075949367) internal successors, (216), 158 states have internal predecessors, (216), 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 14:14:10,013 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2024-11-13 14:14:10,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:14:10,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:14:10,021 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:10,022 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 14:14:10,022 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:14:10,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3670886075949367) internal successors, (216), 158 states have internal predecessors, (216), 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 14:14:10,035 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2024-11-13 14:14:10,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:14:10,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:14:10,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:10,037 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 14:14:10,043 INFO L745 eck$LassoCheckResult]: Stem: 37#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 30#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 126#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 110#valid_product_returnLabel#1true main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 136#L426true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 88#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 50#L102-2true [2024-11-13 14:14:10,043 INFO L747 eck$LassoCheckResult]: Loop: 50#L102-2true assume !false; 144#L103true assume test_~splverifierCounter~0#1 < 4; 26#L104true havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 66#L112true assume !(0 != test_~tmp~0#1); 155#L112-2true havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 59#L122true assume !(0 != test_~tmp___0~0#1); 129#L122-2true havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 156#L132true assume 0 != test_~tmp___2~0#1; 112#L138-2true assume { :begin_inline_timeShift } true; 69#L173true assume !(0 != ~pumpRunning~0); 160#L173-2true assume !(0 != ~systemActive~0); 109#L180-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 77#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; 19#L918true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 41#L918-1true havoc __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 78#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 50#L102-2true [2024-11-13 14:14:10,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:10,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-13 14:14:10,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:10,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668802363] [2024-11-13 14:14:10,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:10,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:10,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:10,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:10,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:10,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1789589766, now seen corresponding path program 1 times [2024-11-13 14:14:10,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:10,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514311015] [2024-11-13 14:14:10,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:10,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:10,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:10,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:10,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:10,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1149958454, now seen corresponding path program 1 times [2024-11-13 14:14:10,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:10,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364917810] [2024-11-13 14:14:10,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:10,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:10,599 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 14:14:10,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:10,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364917810] [2024-11-13 14:14:10,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364917810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:10,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:10,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:14:10,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390461586] [2024-11-13 14:14:10,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:10,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:10,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:14:10,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:14:10,769 INFO L87 Difference]: Start difference. First operand has 159 states, 158 states have (on average 1.3670886075949367) internal successors, (216), 158 states have internal predecessors, (216), 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 14:14:10,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:10,950 INFO L93 Difference]: Finished difference Result 153 states and 199 transitions. [2024-11-13 14:14:10,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 199 transitions. [2024-11-13 14:14:10,961 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2024-11-13 14:14:10,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 143 states and 189 transitions. [2024-11-13 14:14:10,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 143 [2024-11-13 14:14:10,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 143 [2024-11-13 14:14:10,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 143 states and 189 transitions. [2024-11-13 14:14:10,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:14:10,988 INFO L218 hiAutomatonCegarLoop]: Abstraction has 143 states and 189 transitions. [2024-11-13 14:14:11,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states and 189 transitions. [2024-11-13 14:14:11,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-13 14:14:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 143 states have (on average 1.3216783216783217) internal successors, (189), 142 states have internal predecessors, (189), 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 14:14:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 189 transitions. [2024-11-13 14:14:11,046 INFO L240 hiAutomatonCegarLoop]: Abstraction has 143 states and 189 transitions. [2024-11-13 14:14:11,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:14:11,054 INFO L424 stractBuchiCegarLoop]: Abstraction has 143 states and 189 transitions. [2024-11-13 14:14:11,057 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 14:14:11,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 189 transitions. [2024-11-13 14:14:11,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2024-11-13 14:14:11,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:14:11,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:14:11,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:11,063 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 14:14:11,064 INFO L745 eck$LassoCheckResult]: Stem: 387#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 388#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 376#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 377#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 455#valid_product_returnLabel#1 main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 456#L426 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 439#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 401#L102-2 [2024-11-13 14:14:11,064 INFO L747 eck$LassoCheckResult]: Loop: 401#L102-2 assume !false; 402#L103 assume test_~splverifierCounter~0#1 < 4; 370#L104 havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 371#L112 assume !(0 != test_~tmp~0#1); 422#L112-2 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 414#L122 assume !(0 != test_~tmp___0~0#1); 415#L122-2 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 466#L132 assume 0 != test_~tmp___2~0#1; 436#L138-2 assume { :begin_inline_timeShift } true; 424#L173 assume !(0 != ~pumpRunning~0); 417#L173-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 448#L231 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 450#L205-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 330#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 331#L205-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 405#L231-1 havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 406#L180-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 433#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; 357#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 359#L918-1 havoc __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 395#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 401#L102-2 [2024-11-13 14:14:11,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:11,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-13 14:14:11,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:11,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839635263] [2024-11-13 14:14:11,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:11,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:11,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:11,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:11,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:11,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1415998364, now seen corresponding path program 1 times [2024-11-13 14:14:11,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:11,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720344466] [2024-11-13 14:14:11,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:11,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:11,172 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 14:14:11,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:11,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720344466] [2024-11-13 14:14:11,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720344466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:11,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:11,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:14:11,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476140466] [2024-11-13 14:14:11,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:11,177 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 14:14:11,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:11,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:14:11,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:14:11,179 INFO L87 Difference]: Start difference. First operand 143 states and 189 transitions. cyclomatic complexity: 48 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 14:14:11,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:11,360 INFO L93 Difference]: Finished difference Result 198 states and 251 transitions. [2024-11-13 14:14:11,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 251 transitions. [2024-11-13 14:14:11,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 138 [2024-11-13 14:14:11,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 198 states and 251 transitions. [2024-11-13 14:14:11,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 198 [2024-11-13 14:14:11,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 198 [2024-11-13 14:14:11,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 198 states and 251 transitions. [2024-11-13 14:14:11,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:14:11,373 INFO L218 hiAutomatonCegarLoop]: Abstraction has 198 states and 251 transitions. [2024-11-13 14:14:11,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states and 251 transitions. [2024-11-13 14:14:11,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-13 14:14:11,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 198 states have (on average 1.2676767676767677) internal successors, (251), 197 states have internal predecessors, (251), 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 14:14:11,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 251 transitions. [2024-11-13 14:14:11,393 INFO L240 hiAutomatonCegarLoop]: Abstraction has 198 states and 251 transitions. [2024-11-13 14:14:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:14:11,397 INFO L424 stractBuchiCegarLoop]: Abstraction has 198 states and 251 transitions. [2024-11-13 14:14:11,397 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 14:14:11,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 251 transitions. [2024-11-13 14:14:11,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 138 [2024-11-13 14:14:11,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:14:11,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:14:11,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:11,403 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 14:14:11,403 INFO L745 eck$LassoCheckResult]: Stem: 731#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 732#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 723#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 724#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 804#valid_product_returnLabel#1 main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 805#L426 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 787#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 748#L102-2 [2024-11-13 14:14:11,404 INFO L747 eck$LassoCheckResult]: Loop: 748#L102-2 assume !false; 749#L103 assume test_~splverifierCounter~0#1 < 4; 714#L104 havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 715#L112 assume !(0 != test_~tmp~0#1); 768#L112-2 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 759#L122 assume !(0 != test_~tmp___0~0#1); 760#L122-2 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 816#L132 assume 0 != test_~tmp___2~0#1; 782#L138-2 assume { :begin_inline_timeShift } true; 770#L173 assume !(0 != ~pumpRunning~0); 771#L173-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 797#L231 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 798#L205-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 806#L533-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 744#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 745#L333-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0; 788#L333-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 818#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret9#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret9#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1; 736#L209-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 738#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 740#L205-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 750#L231-1 havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 751#L180-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 779#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; 702#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 704#L918-1 havoc __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 739#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 748#L102-2 [2024-11-13 14:14:11,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:11,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-13 14:14:11,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:11,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401549285] [2024-11-13 14:14:11,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:11,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:11,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:11,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:11,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:11,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1726372196, now seen corresponding path program 1 times [2024-11-13 14:14:11,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:11,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327843398] [2024-11-13 14:14:11,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:11,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:11,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:11,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:11,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:11,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1351084456, now seen corresponding path program 1 times [2024-11-13 14:14:11,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:11,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943078305] [2024-11-13 14:14:11,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:11,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:11,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:11,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:13,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:13,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:14:13 BoogieIcfgContainer [2024-11-13 14:14:13,143 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:14:13,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:14:13,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:14:13,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:14:13,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:09" (3/4) ... [2024-11-13 14:14:13,147 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 14:14:13,211 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:14:13,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:14:13,213 INFO L158 Benchmark]: Toolchain (without parser) took 5138.86ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 84.2MB in the end (delta: 7.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-13 14:14:13,215 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:13,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.59ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 72.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:14:13,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.90ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 70.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:14:13,217 INFO L158 Benchmark]: Boogie Preprocessor took 89.62ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 67.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:13,217 INFO L158 Benchmark]: RCFGBuilder took 985.00ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 43.0MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:14:13,217 INFO L158 Benchmark]: BuchiAutomizer took 3249.43ms. Allocated memory is still 117.4MB. Free memory was 43.0MB in the beginning and 87.3MB in the end (delta: -44.3MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-13 14:14:13,218 INFO L158 Benchmark]: Witness Printer took 67.58ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 84.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:13,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.59ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 72.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.90ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 70.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.62ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 67.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 985.00ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 43.0MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3249.43ms. Allocated memory is still 117.4MB. Free memory was 43.0MB in the beginning and 87.3MB in the end (delta: -44.3MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 67.58ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 84.2MB in the end (delta: 3.1MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] - GenericResultAtLocation [Line: 156]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [156] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [343] - GenericResultAtLocation [Line: 439]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [439] - GenericResultAtLocation [Line: 448]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [448] - GenericResultAtLocation [Line: 543]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [543] - GenericResultAtLocation [Line: 909]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [909] * 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 6 locations. The remainder module has 198 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. 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 0.1s 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, 512 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 512 mSDsluCounter, 862 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 469 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 393 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 102]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L165] int pumpRunning = 0; [L166] int systemActive = 1; [L344] int cleanupTimeShifts = 4; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] int retValue_acc ; [L418] int tmp ; [L422] FCALL select_helpers() [L423] FCALL select_features() [L424] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L424] RET, EXPR valid_product() [L424] tmp = valid_product() [L426] COND TRUE \read(tmp) [L428] FCALL setup() [L429] CALL runTest() [L411] CALL test() [L93] int splverifierCounter ; [L94] int tmp ; [L95] int tmp___0 ; [L96] int tmp___1 ; [L97] int tmp___2 ; [L100] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L102] COND TRUE 1 [L104] COND TRUE splverifierCounter < 4 [L110] tmp = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp)) [L120] tmp___0 = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp___0)) [L130] tmp___2 = __VERIFIER_nondet_int() [L132] COND TRUE \read(tmp___2) [L145] CALL timeShift() [L173] COND FALSE !(\read(pumpRunning)) [L180] COND TRUE \read(systemActive) [L182] CALL processEnvironment() [L228] int tmp ; [L231] COND FALSE !(\read(pumpRunning)) [L246] CALL processEnvironment__wrappee__highWaterSensor() [L202] int tmp ; [L205] COND TRUE ! pumpRunning [L207] CALL, EXPR isHighWaterLevel() [L325] int retValue_acc ; [L326] int tmp ; [L327] int tmp___0 ; [L331] CALL, EXPR isHighWaterSensorDry() [L530] int retValue_acc ; [L533] COND TRUE waterLevel < 2 [L534] retValue_acc = 1 [L535] return (retValue_acc); [L331] RET, EXPR isHighWaterSensorDry() [L331] tmp = isHighWaterSensorDry() [L333] COND TRUE \read(tmp) [L334] tmp___0 = 0 [L338] retValue_acc = tmp___0 [L339] return (retValue_acc); [L207] RET, EXPR isHighWaterLevel() [L207] tmp = isHighWaterLevel() [L209] COND FALSE !(\read(tmp)) [L215] FCALL processEnvironment__wrappee__base() [L246] RET processEnvironment__wrappee__highWaterSensor() [L182] RET processEnvironment() [L188] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) [L188] RET __utac_acc__Specification4_spec__1() [L145] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 102]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L165] int pumpRunning = 0; [L166] int systemActive = 1; [L344] int cleanupTimeShifts = 4; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] int retValue_acc ; [L418] int tmp ; [L422] FCALL select_helpers() [L423] FCALL select_features() [L424] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L424] RET, EXPR valid_product() [L424] tmp = valid_product() [L426] COND TRUE \read(tmp) [L428] FCALL setup() [L429] CALL runTest() [L411] CALL test() [L93] int splverifierCounter ; [L94] int tmp ; [L95] int tmp___0 ; [L96] int tmp___1 ; [L97] int tmp___2 ; [L100] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L102] COND TRUE 1 [L104] COND TRUE splverifierCounter < 4 [L110] tmp = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp)) [L120] tmp___0 = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp___0)) [L130] tmp___2 = __VERIFIER_nondet_int() [L132] COND TRUE \read(tmp___2) [L145] CALL timeShift() [L173] COND FALSE !(\read(pumpRunning)) [L180] COND TRUE \read(systemActive) [L182] CALL processEnvironment() [L228] int tmp ; [L231] COND FALSE !(\read(pumpRunning)) [L246] CALL processEnvironment__wrappee__highWaterSensor() [L202] int tmp ; [L205] COND TRUE ! pumpRunning [L207] CALL, EXPR isHighWaterLevel() [L325] int retValue_acc ; [L326] int tmp ; [L327] int tmp___0 ; [L331] CALL, EXPR isHighWaterSensorDry() [L530] int retValue_acc ; [L533] COND TRUE waterLevel < 2 [L534] retValue_acc = 1 [L535] return (retValue_acc); [L331] RET, EXPR isHighWaterSensorDry() [L331] tmp = isHighWaterSensorDry() [L333] COND TRUE \read(tmp) [L334] tmp___0 = 0 [L338] retValue_acc = tmp___0 [L339] return (retValue_acc); [L207] RET, EXPR isHighWaterLevel() [L207] tmp = isHighWaterLevel() [L209] COND FALSE !(\read(tmp)) [L215] FCALL processEnvironment__wrappee__base() [L246] RET processEnvironment__wrappee__highWaterSensor() [L182] RET processEnvironment() [L188] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) [L188] RET __utac_acc__Specification4_spec__1() [L145] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:14:13,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d9e67e-62d9-4ee8-b258-176d3050dad4/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)