./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:24,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:24,229 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:24,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:24,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:24,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:24,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:24,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:24,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:24,270 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:24,270 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:24,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:24,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:24,271 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:24,272 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:24,272 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:24,272 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:24,273 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:24,273 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:24,273 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:24,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:24,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:24,274 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:24,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:24,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:24,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:24,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:24,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:24,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:24,276 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:24,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:24,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:24,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:24,277 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:24,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:24,278 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:24,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:24,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:24,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:24,279 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:24,279 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef [2024-11-10 23:15:24,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:24,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:24,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:24,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:24,549 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:24,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2024-11-10 23:15:25,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:26,182 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:26,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2024-11-10 23:15:26,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49c9955f5/6770d95499594973acfb9fd142a50a13/FLAG2d00318ae [2024-11-10 23:15:26,540 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49c9955f5/6770d95499594973acfb9fd142a50a13 [2024-11-10 23:15:26,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:26,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:26,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:26,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:26,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:26,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:26" (1/1) ... [2024-11-10 23:15:26,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22438743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:26, skipping insertion in model container [2024-11-10 23:15:26,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:26" (1/1) ... [2024-11-10 23:15:26,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:26,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:26,968 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:26,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-10 23:15:26,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153] [2024-11-10 23:15:26,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [162] [2024-11-10 23:15:26,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [190] [2024-11-10 23:15:26,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] [2024-11-10 23:15:26,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [351] [2024-11-10 23:15:26,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [538] [2024-11-10 23:15:26,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [573] [2024-11-10 23:15:27,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:27,075 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:27,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27 WrapperNode [2024-11-10 23:15:27,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:27,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:27,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:27,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:27,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,147 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 51, calls inlined = 52, statements flattened = 332 [2024-11-10 23:15:27,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:27,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:27,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:27,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:27,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,186 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]. [2024-11-10 23:15:27,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,191 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:27,201 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:27,202 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:27,202 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:27,203 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (1/1) ... [2024-11-10 23:15:27,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:27,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:27,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:15:27,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:15:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:27,349 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:27,351 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:27,685 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L465-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:27,685 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L465-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:27,685 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L465-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L271-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L271-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L271-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L280-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L280-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L280-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L520-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L520-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L520-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L570-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-10 23:15:27,686 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:15:27,713 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:27,714 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:27,731 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:27,731 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:27,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:27 BoogieIcfgContainer [2024-11-10 23:15:27,732 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:27,732 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:27,733 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:27,735 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:27,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:27,736 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:26" (1/3) ... [2024-11-10 23:15:27,737 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a5bc40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:27, skipping insertion in model container [2024-11-10 23:15:27,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:27,737 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:27" (2/3) ... [2024-11-10 23:15:27,737 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a5bc40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:27, skipping insertion in model container [2024-11-10 23:15:27,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:27,737 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:27" (3/3) ... [2024-11-10 23:15:27,739 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2024-11-10 23:15:27,785 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:27,785 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:27,785 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:27,789 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:27,789 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:27,789 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:27,789 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:27,789 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:27,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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) [2024-11-10 23:15:27,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-10 23:15:27,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:27,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:27,822 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:27,822 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:27,822 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:27,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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) [2024-11-10 23:15:27,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-10 23:15:27,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:27,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:27,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:27,835 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:27,841 INFO L745 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 22#ULTIMATE.init_returnLabel#1true assume true;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; 58#L561true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 110#L554true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 31#L569true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 45#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 88#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 4#L295true [2024-11-10 23:15:27,842 INFO L747 eck$LassoCheckResult]: Loop: 4#L295true assume true; 80#L295-1true assume !false;assume true; 26#L297true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 49#L305true assume !(0 != test_~tmp~2#1); 21#L313true havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 38#L315true assume !(0 != test_~tmp___0~1#1); 3#L323true havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 56#L325true assume 0 != test_~tmp___2~0#1; 81#L340true assume { :begin_inline_timeShift } true; 83#L361-2true assume !(0 != ~pumpRunning~0); 102#L368-2true assume !(0 != ~systemActive~0); 5#L376-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 53#L270-2true assume true;__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 109#L173-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 63#L187-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 65#L378-2true assume true;assume { :end_inline_timeShift } true; 4#L295true [2024-11-10 23:15:27,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:27,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2107070627, now seen corresponding path program 1 times [2024-11-10 23:15:27,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:27,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652123323] [2024-11-10 23:15:27,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:27,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:27,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:28,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:28,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:28,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1467853628, now seen corresponding path program 1 times [2024-11-10 23:15:28,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:28,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106161117] [2024-11-10 23:15:28,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:28,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:28,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:28,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:28,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:28,061 INFO L85 PathProgramCache]: Analyzing trace with hash -691791208, now seen corresponding path program 1 times [2024-11-10 23:15:28,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:28,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410030362] [2024-11-10 23:15:28,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:28,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:28,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:28,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410030362] [2024-11-10 23:15:28,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410030362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:28,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:28,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:15:28,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469289258] [2024-11-10 23:15:28,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:28,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:28,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:28,378 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 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) [2024-11-10 23:15:28,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:28,427 INFO L93 Difference]: Finished difference Result 198 states and 254 transitions. [2024-11-10 23:15:28,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 254 transitions. [2024-11-10 23:15:28,436 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 122 [2024-11-10 23:15:28,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 176 states and 231 transitions. [2024-11-10 23:15:28,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 176 [2024-11-10 23:15:28,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 176 [2024-11-10 23:15:28,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 176 states and 231 transitions. [2024-11-10 23:15:28,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:28,449 INFO L218 hiAutomatonCegarLoop]: Abstraction has 176 states and 231 transitions. [2024-11-10 23:15:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states and 231 transitions. [2024-11-10 23:15:28,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 173. [2024-11-10 23:15:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 173 states have (on average 1.3121387283236994) internal successors, (227), 172 states have internal predecessors, (227), 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) [2024-11-10 23:15:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 227 transitions. [2024-11-10 23:15:28,484 INFO L240 hiAutomatonCegarLoop]: Abstraction has 173 states and 227 transitions. [2024-11-10 23:15:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:28,489 INFO L425 stractBuchiCegarLoop]: Abstraction has 173 states and 227 transitions. [2024-11-10 23:15:28,489 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:28,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states and 227 transitions. [2024-11-10 23:15:28,493 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 122 [2024-11-10 23:15:28,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:28,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:28,494 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:28,494 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:28,495 INFO L745 eck$LassoCheckResult]: Stem: 414#ULTIMATE.startENTRY 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 373#ULTIMATE.init_returnLabel#1 assume true;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; 320#L561 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 321#L554 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 388#L569 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 389#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 408#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 409#L295 [2024-11-10 23:15:28,495 INFO L747 eck$LassoCheckResult]: Loop: 409#L295 assume true; 437#L295-1 assume !false;assume true; 435#L297 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 433#L305 assume !(0 != test_~tmp~2#1); 431#L313 havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 429#L315 assume !(0 != test_~tmp___0~1#1); 427#L323 havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 426#L325 assume 0 != test_~tmp___2~0#1; 392#L340 assume { :begin_inline_timeShift } true; 393#L361-2 assume !(0 != ~pumpRunning~0); 417#L368-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 418#L393-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 445#L385-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 443#L411-2 assume true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 326#L376-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 327#L270-2 assume true;__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 421#L173-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 439#L187-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 438#L378-2 assume true;assume { :end_inline_timeShift } true; 409#L295 [2024-11-10 23:15:28,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:28,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2107070627, now seen corresponding path program 2 times [2024-11-10 23:15:28,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:28,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437907922] [2024-11-10 23:15:28,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:28,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:28,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:28,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:28,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:28,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1609582446, now seen corresponding path program 1 times [2024-11-10 23:15:28,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:28,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260614314] [2024-11-10 23:15:28,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:28,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:28,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:28,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:28,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:28,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2054600046, now seen corresponding path program 1 times [2024-11-10 23:15:28,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:28,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969957153] [2024-11-10 23:15:28,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:28,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:28,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:28,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:29,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:29,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:29 BoogieIcfgContainer [2024-11-10 23:15:29,526 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:29,527 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:29,527 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:29,527 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:29,528 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:27" (3/4) ... [2024-11-10 23:15:29,529 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:29,588 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:29,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:29,589 INFO L158 Benchmark]: Toolchain (without parser) took 3044.81ms. Allocated memory is still 180.4MB. Free memory was 115.4MB in the beginning and 52.9MB in the end (delta: 62.5MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:29,589 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:29,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.87ms. Allocated memory is still 180.4MB. Free memory was 115.4MB in the beginning and 142.4MB in the end (delta: -26.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 23:15:29,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.26ms. Allocated memory is still 180.4MB. Free memory was 142.4MB in the beginning and 140.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:29,590 INFO L158 Benchmark]: Boogie Preprocessor took 52.45ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 137.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:29,591 INFO L158 Benchmark]: IcfgBuilder took 530.28ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 115.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:29,591 INFO L158 Benchmark]: BuchiAutomizer took 1793.69ms. Allocated memory is still 180.4MB. Free memory was 115.1MB in the beginning and 55.0MB in the end (delta: 60.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:29,591 INFO L158 Benchmark]: Witness Printer took 61.69ms. Allocated memory is still 180.4MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:29,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.87ms. Allocated memory is still 180.4MB. Free memory was 115.4MB in the beginning and 142.4MB in the end (delta: -26.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.26ms. Allocated memory is still 180.4MB. Free memory was 142.4MB in the beginning and 140.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.45ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 137.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 530.28ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 115.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1793.69ms. Allocated memory is still 180.4MB. Free memory was 115.1MB in the beginning and 55.0MB in the end (delta: 60.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Witness Printer took 61.69ms. Allocated memory is still 180.4MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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,"wsllib_check.i","") [153] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [162] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [190] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] - GenericResultAtLocation [Line: 351]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [351] - GenericResultAtLocation [Line: 538]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [538] - GenericResultAtLocation [Line: 573]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [573] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 173 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 130 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 295]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L195] int waterLevel = 1; [L196] int methaneLevelCritical = 0; [L354] int pumpRunning = 0; [L355] int systemActive = 1; [L743] static struct __ACC__ERR *head = (struct __ACC__ERR *)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() [L565] int retValue_acc ; [L568] retValue_acc = 1 [L569] 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() [L286] int splverifierCounter ; [L287] int tmp ; [L288] int tmp___0 ; [L289] int tmp___1 ; [L290] int tmp___2 ; [L293] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L295] COND TRUE 1 [L297] COND TRUE splverifierCounter < 4 [L303] tmp = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp)) [L313] tmp___0 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___0)) [L323] tmp___2 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___2) [L340] CALL timeShift() [L361] COND FALSE !(\read(pumpRunning)) [L368] COND TRUE \read(systemActive) [L370] CALL processEnvironment() [L390] int tmp ; [L393] COND FALSE !(\read(pumpRunning)) [L408] FCALL processEnvironment__wrappee__base() [L370] RET processEnvironment() [L376] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L266] int retValue_acc ; [L269] retValue_acc = waterLevel [L270] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L376] RET __utac_acc__Specification4_spec__1() [L340] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 295]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L195] int waterLevel = 1; [L196] int methaneLevelCritical = 0; [L354] int pumpRunning = 0; [L355] int systemActive = 1; [L743] static struct __ACC__ERR *head = (struct __ACC__ERR *)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() [L565] int retValue_acc ; [L568] retValue_acc = 1 [L569] 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() [L286] int splverifierCounter ; [L287] int tmp ; [L288] int tmp___0 ; [L289] int tmp___1 ; [L290] int tmp___2 ; [L293] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L295] COND TRUE 1 [L297] COND TRUE splverifierCounter < 4 [L303] tmp = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp)) [L313] tmp___0 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___0)) [L323] tmp___2 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___2) [L340] CALL timeShift() [L361] COND FALSE !(\read(pumpRunning)) [L368] COND TRUE \read(systemActive) [L370] CALL processEnvironment() [L390] int tmp ; [L393] COND FALSE !(\read(pumpRunning)) [L408] FCALL processEnvironment__wrappee__base() [L370] RET processEnvironment() [L376] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L266] int retValue_acc ; [L269] retValue_acc = waterLevel [L270] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L376] RET __utac_acc__Specification4_spec__1() [L340] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:29,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)