./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product13.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_spec3_product13.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 4e8d46dd9ecc40481581770f17d7ff7eeb44cf0ae7cc4edb04be6d125fad45fc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:14:31,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:14:31,564 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:14:31,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:14:31,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:14:31,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:14:31,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:14:31,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:14:31,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:14:31,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:14:31,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:14:31,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:14:31,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:14:31,604 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:14:31,604 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:14:31,604 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:14:31,604 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:14:31,604 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:14:31,605 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:14:31,605 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:14:31,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:14:31,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:14:31,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:14:31,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:14:31,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:14:31,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:14:31,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:14:31,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:14:31,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:14:31,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:14:31,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:14:31,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:14:31,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:14:31,630 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:14:31,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:14:31,631 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:14:31,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:14:31,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:14:31,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:14:31,632 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:14:31,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e8d46dd9ecc40481581770f17d7ff7eeb44cf0ae7cc4edb04be6d125fad45fc [2024-11-10 23:14:31,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:14:31,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:14:31,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:14:31,952 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:14:31,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:14:31,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2024-11-10 23:14:33,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:14:33,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:14:33,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2024-11-10 23:14:33,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2155502/481eb5d790e445b69da1fd3fdd706ae8/FLAGf0991b30d [2024-11-10 23:14:34,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2155502/481eb5d790e445b69da1fd3fdd706ae8 [2024-11-10 23:14:34,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:14:34,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:14:34,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:34,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:14:34,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:14:34,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e82978c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34, skipping insertion in model container [2024-11-10 23:14:34,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:14:34,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:34,432 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:14:34,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-10 23:14:34,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] [2024-11-10 23:14:34,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [173] [2024-11-10 23:14:34,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [182] [2024-11-10 23:14:34,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [281] [2024-11-10 23:14:34,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [435] [2024-11-10 23:14:34,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [469] [2024-11-10 23:14:34,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [534] [2024-11-10 23:14:34,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:34,555 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:14:34,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34 WrapperNode [2024-11-10 23:14:34,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:34,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:34,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:14:34,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:14:34,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,614 INFO L138 Inliner]: procedures = 51, calls = 96, calls flagged for inlining = 49, calls inlined = 53, statements flattened = 340 [2024-11-10 23:14:34,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:34,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:14:34,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:14:34,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:14:34,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,667 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 23:14:34,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:14:34,682 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:14:34,683 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:14:34,683 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:14:34,687 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (1/1) ... [2024-11-10 23:14:34,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:14:34,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:14:34,724 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 23:14:34,728 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 23:14:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:14:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:14:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:14:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:14:34,865 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:14:34,867 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:14:35,197 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-1: valid_product_#res#1 := valid_product_~retValue_acc~3#1; [2024-11-10 23:14:35,197 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-10 23:14:35,197 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L387-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:14:35,197 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L387-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:14:35,197 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L387-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:14:35,197 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L396-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:14:35,198 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L396-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:14:35,198 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L396-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:14:35,198 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-10 23:14:35,198 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-10 23:14:35,198 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-10 23:14:35,198 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:35,198 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:35,198 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:35,198 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:35,199 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:35,199 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:35,224 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-10 23:14:35,224 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:14:35,237 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:14:35,238 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:14:35,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:35 BoogieIcfgContainer [2024-11-10 23:14:35,238 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:14:35,239 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:14:35,240 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:14:35,243 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:14:35,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:35,244 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:14:34" (1/3) ... [2024-11-10 23:14:35,245 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ebf4c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:35, skipping insertion in model container [2024-11-10 23:14:35,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:35,247 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:34" (2/3) ... [2024-11-10 23:14:35,247 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ebf4c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:35, skipping insertion in model container [2024-11-10 23:14:35,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:35,247 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:35" (3/3) ... [2024-11-10 23:14:35,249 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2024-11-10 23:14:35,298 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:14:35,298 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:14:35,298 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:14:35,298 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:14:35,298 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:14:35,298 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:14:35,298 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:14:35,299 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:14:35,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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 23:14:35,325 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-10 23:14:35,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:35,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:35,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:35,332 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 23:14:35,332 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:14:35,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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 23:14:35,340 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-10 23:14:35,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:35,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:35,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:35,344 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 23:14:35,350 INFO L745 eck$LassoCheckResult]: Stem: 99#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 24#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 16#L161true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 77#L154true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 47#L169true assume true;main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 21#L268true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 10#L244true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 38#L480true [2024-11-10 23:14:35,351 INFO L747 eck$LassoCheckResult]: Loop: 38#L480true assume true; 101#L480-1true assume !false;assume true; 48#L482true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet25#1;test_~tmp~4#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 19#L490true assume !(0 != test_~tmp~4#1); 74#L498true havoc test_#t~nondet26#1;test_~tmp___0~1#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 95#L500true assume !(0 != test_~tmp___0~1#1); 27#L508true havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 67#L510true assume 0 != test_~tmp___2~0#1; 64#L523true assume { :begin_inline_timeShift } true; 3#L293-2true assume !(0 != ~pumpRunning~0); 88#L300-2true assume !(0 != ~systemActive~0); 49#L308-2true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 94#L99-4true assume true;__utac_acc__Specification3_spec__1_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret22#1;havoc __utac_acc__Specification3_spec__1_#t~ret22#1; 70#L445-2true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 69#L466-2true assume true;havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 6#L310-2true assume true;assume { :end_inline_timeShift } true; 38#L480true [2024-11-10 23:14:35,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:35,356 INFO L85 PathProgramCache]: Analyzing trace with hash -272896353, now seen corresponding path program 1 times [2024-11-10 23:14:35,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:35,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845853902] [2024-11-10 23:14:35,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:35,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:35,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:35,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:35,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:35,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1282363199, now seen corresponding path program 1 times [2024-11-10 23:14:35,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:35,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624332940] [2024-11-10 23:14:35,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:35,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:35,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:35,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:35,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:35,562 INFO L85 PathProgramCache]: Analyzing trace with hash 459686365, now seen corresponding path program 1 times [2024-11-10 23:14:35,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:35,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270043979] [2024-11-10 23:14:35,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:35,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:35,809 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 23:14:35,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:35,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270043979] [2024-11-10 23:14:35,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270043979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:35,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:35,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:14:35,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273637401] [2024-11-10 23:14:35,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:35,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:35,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:14:35,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:14:35,937 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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) [2024-11-10 23:14:36,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:36,006 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2024-11-10 23:14:36,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2024-11-10 23:14:36,010 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2024-11-10 23:14:36,015 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 88 states and 113 transitions. [2024-11-10 23:14:36,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 88 [2024-11-10 23:14:36,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2024-11-10 23:14:36,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 113 transitions. [2024-11-10 23:14:36,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:36,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2024-11-10 23:14:36,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 113 transitions. [2024-11-10 23:14:36,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-10 23:14:36,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 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 23:14:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2024-11-10 23:14:36,043 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2024-11-10 23:14:36,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:14:36,048 INFO L425 stractBuchiCegarLoop]: Abstraction has 88 states and 113 transitions. [2024-11-10 23:14:36,049 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:14:36,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 113 transitions. [2024-11-10 23:14:36,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2024-11-10 23:14:36,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:36,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:36,051 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:36,051 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 23:14:36,051 INFO L745 eck$LassoCheckResult]: Stem: 306#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 283#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 254#L161 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 255#L154 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 273#L169 assume true;main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 271#L268 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 244#L244 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 228#L480 [2024-11-10 23:14:36,051 INFO L747 eck$LassoCheckResult]: Loop: 228#L480 assume true; 298#L480-1 assume !false;assume true; 308#L482 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet25#1;test_~tmp~4#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 265#L490 assume !(0 != test_~tmp~4#1); 266#L498 havoc test_#t~nondet26#1;test_~tmp___0~1#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 268#L500 assume !(0 != test_~tmp___0~1#1); 272#L508 havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 260#L510 assume 0 != test_~tmp___2~0#1; 251#L523 assume { :begin_inline_timeShift } true; 222#L293-2 assume !(0 != ~pumpRunning~0); 224#L300-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 285#L325-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 239#L317-5 assume true;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 240#L343-2 assume true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 307#L308-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 299#L99-4 assume true;__utac_acc__Specification3_spec__1_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret22#1;havoc __utac_acc__Specification3_spec__1_#t~ret22#1; 263#L445-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 262#L466-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 227#L310-2 assume true;assume { :end_inline_timeShift } true; 228#L480 [2024-11-10 23:14:36,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:36,052 INFO L85 PathProgramCache]: Analyzing trace with hash -272896353, now seen corresponding path program 2 times [2024-11-10 23:14:36,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:36,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896241876] [2024-11-10 23:14:36,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:36,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:36,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:36,072 INFO L85 PathProgramCache]: Analyzing trace with hash -303121097, now seen corresponding path program 1 times [2024-11-10 23:14:36,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:36,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648269917] [2024-11-10 23:14:36,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:36,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:36,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:36,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1585291815, now seen corresponding path program 1 times [2024-11-10 23:14:36,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:36,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926613556] [2024-11-10 23:14:36,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:36,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:36,190 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 23:14:36,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:36,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926613556] [2024-11-10 23:14:36,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926613556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:36,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:36,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:14:36,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110142598] [2024-11-10 23:14:36,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:36,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:36,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:14:36,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:14:36,242 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 23:14:36,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:36,366 INFO L93 Difference]: Finished difference Result 169 states and 215 transitions. [2024-11-10 23:14:36,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 215 transitions. [2024-11-10 23:14:36,369 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 118 [2024-11-10 23:14:36,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 215 transitions. [2024-11-10 23:14:36,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2024-11-10 23:14:36,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2024-11-10 23:14:36,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 215 transitions. [2024-11-10 23:14:36,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:36,373 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 215 transitions. [2024-11-10 23:14:36,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 215 transitions. [2024-11-10 23:14:36,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-10 23:14:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 169 states have (on average 1.272189349112426) internal successors, (215), 168 states have internal predecessors, (215), 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 23:14:36,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 215 transitions. [2024-11-10 23:14:36,393 INFO L240 hiAutomatonCegarLoop]: Abstraction has 169 states and 215 transitions. [2024-11-10 23:14:36,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:14:36,396 INFO L425 stractBuchiCegarLoop]: Abstraction has 169 states and 215 transitions. [2024-11-10 23:14:36,396 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:14:36,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 215 transitions. [2024-11-10 23:14:36,397 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 118 [2024-11-10 23:14:36,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:36,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:36,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:36,399 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] [2024-11-10 23:14:36,400 INFO L745 eck$LassoCheckResult]: Stem: 595#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 558#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 525#L161 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 526#L154 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 547#L169 assume true;main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 545#L268 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 515#L244 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 499#L480 [2024-11-10 23:14:36,401 INFO L747 eck$LassoCheckResult]: Loop: 499#L480 assume true; 602#L480-1 assume !false;assume true; 603#L482 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet25#1;test_~tmp~4#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 616#L490 assume !(0 != test_~tmp~4#1); 615#L498 havoc test_#t~nondet26#1;test_~tmp___0~1#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 588#L500 assume !(0 != test_~tmp___0~1#1); 589#L508 havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 629#L510 assume 0 != test_~tmp___2~0#1; 522#L523 assume { :begin_inline_timeShift } true; 493#L293-2 assume !(0 != ~pumpRunning~0); 495#L300-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 564#L325-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 510#L317-5 assume true;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 511#L343-2 assume true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 621#L308-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 587#L99-4 assume true;__utac_acc__Specification3_spec__1_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret22#1;havoc __utac_acc__Specification3_spec__1_#t~ret22#1; 536#L445-2 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 537#L131-2 assume true;__utac_acc__Specification3_spec__1_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret23#1;havoc __utac_acc__Specification3_spec__1_#t~ret23#1; 549#L451-2 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 535#L466-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 498#L310-2 assume true;assume { :end_inline_timeShift } true; 499#L480 [2024-11-10 23:14:36,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:36,401 INFO L85 PathProgramCache]: Analyzing trace with hash -272896353, now seen corresponding path program 3 times [2024-11-10 23:14:36,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:36,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502587111] [2024-11-10 23:14:36,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:36,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:36,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:36,445 INFO L85 PathProgramCache]: Analyzing trace with hash 757914229, now seen corresponding path program 1 times [2024-11-10 23:14:36,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:36,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358960459] [2024-11-10 23:14:36,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:36,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:36,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:36,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1247468183, now seen corresponding path program 1 times [2024-11-10 23:14:36,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:36,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963949562] [2024-11-10 23:14:36,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:36,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:14:37 BoogieIcfgContainer [2024-11-10 23:14:37,485 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:14:37,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:14:37,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:14:37,486 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:14:37,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:35" (3/4) ... [2024-11-10 23:14:37,488 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:14:37,552 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:14:37,552 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:14:37,553 INFO L158 Benchmark]: Toolchain (without parser) took 3496.46ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 132.0MB in the beginning and 126.4MB in the end (delta: 5.6MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-11-10 23:14:37,553 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory was 139.0MB in the beginning and 138.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:14:37,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.35ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 111.5MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 23:14:37,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.91ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 109.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:14:37,554 INFO L158 Benchmark]: Boogie Preprocessor took 62.61ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 106.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:14:37,554 INFO L158 Benchmark]: IcfgBuilder took 555.91ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 84.5MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:14:37,555 INFO L158 Benchmark]: BuchiAutomizer took 2245.35ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 84.5MB in the beginning and 128.5MB in the end (delta: -44.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:14:37,555 INFO L158 Benchmark]: Witness Printer took 67.19ms. Allocated memory is still 205.5MB. Free memory was 128.5MB in the beginning and 126.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:14:37,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory was 139.0MB in the beginning and 138.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.35ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 111.5MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.91ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 109.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.61ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 106.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 555.91ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 84.5MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2245.35ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 84.5MB in the beginning and 128.5MB in the end (delta: -44.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.19ms. Allocated memory is still 205.5MB. Free memory was 128.5MB in the beginning and 126.4MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [173] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [182] - GenericResultAtLocation [Line: 281]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [281] - GenericResultAtLocation [Line: 435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [435] - GenericResultAtLocation [Line: 469]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [469] - GenericResultAtLocation [Line: 534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [534] * 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 169 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 210 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 210 mSDsluCounter, 743 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 524 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 219 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 480]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L183] int cleanupTimeShifts = 4; [L285] int pumpRunning = 0; [L286] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] int retValue_acc ; [L260] int tmp ; [L264] FCALL select_helpers() [L265] FCALL select_features() [L266] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] RET, EXPR valid_product() [L266] tmp = valid_product() [L268] COND TRUE \read(tmp) [L270] FCALL setup() [L271] CALL runTest() [L253] CALL test() [L471] int splverifierCounter ; [L472] int tmp ; [L473] int tmp___0 ; [L474] int tmp___1 ; [L475] int tmp___2 ; [L478] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L480] COND TRUE 1 [L482] COND TRUE splverifierCounter < 4 [L488] tmp = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp)) [L498] tmp___0 = __VERIFIER_nondet_int() [L500] COND FALSE !(\read(tmp___0)) [L508] tmp___2 = __VERIFIER_nondet_int() [L510] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L293] COND FALSE !(\read(pumpRunning)) [L300] COND TRUE \read(systemActive) [L302] CALL processEnvironment() [L322] int tmp ; [L325] COND FALSE !(\read(pumpRunning)) [L340] FCALL processEnvironment__wrappee__methaneQuery() [L302] RET processEnvironment() [L308] CALL __utac_acc__Specification3_spec__1() [L437] int tmp ; [L438] int tmp___0 ; [L439] int tmp___1 ; [L443] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L443] RET, EXPR isMethaneLevelCritical() [L443] tmp = isMethaneLevelCritical() [L445] COND FALSE !(\read(tmp)) [L449] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L449] RET, EXPR getWaterLevel() [L449] tmp___0 = getWaterLevel() [L451] COND FALSE !(tmp___0 == 2) [L308] RET __utac_acc__Specification3_spec__1() [L523] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 480]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L183] int cleanupTimeShifts = 4; [L285] int pumpRunning = 0; [L286] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] int retValue_acc ; [L260] int tmp ; [L264] FCALL select_helpers() [L265] FCALL select_features() [L266] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] RET, EXPR valid_product() [L266] tmp = valid_product() [L268] COND TRUE \read(tmp) [L270] FCALL setup() [L271] CALL runTest() [L253] CALL test() [L471] int splverifierCounter ; [L472] int tmp ; [L473] int tmp___0 ; [L474] int tmp___1 ; [L475] int tmp___2 ; [L478] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L480] COND TRUE 1 [L482] COND TRUE splverifierCounter < 4 [L488] tmp = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp)) [L498] tmp___0 = __VERIFIER_nondet_int() [L500] COND FALSE !(\read(tmp___0)) [L508] tmp___2 = __VERIFIER_nondet_int() [L510] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L293] COND FALSE !(\read(pumpRunning)) [L300] COND TRUE \read(systemActive) [L302] CALL processEnvironment() [L322] int tmp ; [L325] COND FALSE !(\read(pumpRunning)) [L340] FCALL processEnvironment__wrappee__methaneQuery() [L302] RET processEnvironment() [L308] CALL __utac_acc__Specification3_spec__1() [L437] int tmp ; [L438] int tmp___0 ; [L439] int tmp___1 ; [L443] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L443] RET, EXPR isMethaneLevelCritical() [L443] tmp = isMethaneLevelCritical() [L445] COND FALSE !(\read(tmp)) [L449] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L449] RET, EXPR getWaterLevel() [L449] tmp___0 = getWaterLevel() [L451] COND FALSE !(tmp___0 == 2) [L308] RET __utac_acc__Specification3_spec__1() [L523] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:14:37,590 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)