./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product15.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_product15.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 9a3827b4b3d19f95c620af38f0e4f5ff9ca95e734fa5646c78162250800aed09 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:14:32,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:14:32,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:14:32,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:14:32,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:14:32,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:14:33,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:14:33,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:14:33,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:14:33,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:14:33,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:14:33,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:14:33,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:14:33,022 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:14:33,023 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:14:33,023 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:14:33,023 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:14:33,024 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:14:33,024 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:14:33,024 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:14:33,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:14:33,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:14:33,025 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:14:33,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:14:33,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:14:33,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:14:33,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:14:33,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:14:33,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:14:33,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:14:33,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:14:33,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:14:33,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:14:33,028 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:14:33,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:14:33,033 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:14:33,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:14:33,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:14:33,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:14:33,034 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:14:33,035 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a3827b4b3d19f95c620af38f0e4f5ff9ca95e734fa5646c78162250800aed09 [2024-11-10 23:14:33,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:14:33,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:14:33,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:14:33,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:14:33,323 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:14:33,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2024-11-10 23:14:34,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:14:35,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:14:35,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2024-11-10 23:14:35,015 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dc92aaf/1c15b9f2f7174182868a2a9063c10ffa/FLAG7d29517e6 [2024-11-10 23:14:35,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dc92aaf/1c15b9f2f7174182868a2a9063c10ffa [2024-11-10 23:14:35,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:14:35,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:14:35,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:35,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:14:35,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:14:35,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cc9f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35, skipping insertion in model container [2024-11-10 23:14:35,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:14:35,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:35,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:14:35,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-10 23:14:35,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] [2024-11-10 23:14:35,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [294] [2024-11-10 23:14:35,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [660] [2024-11-10 23:14:35,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [741] [2024-11-10 23:14:35,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [840] [2024-11-10 23:14:35,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [875] [2024-11-10 23:14:35,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [884] [2024-11-10 23:14:35,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:35,800 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:14:35,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35 WrapperNode [2024-11-10 23:14:35,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:35,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:35,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:14:35,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:14:35,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,857 INFO L138 Inliner]: procedures = 52, calls = 98, calls flagged for inlining = 51, calls inlined = 55, statements flattened = 347 [2024-11-10 23:14:35,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:35,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:14:35,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:14:35,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:14:35,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,897 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 23:14:35,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,903 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:14:35,909 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:14:35,909 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:14:35,910 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:14:35,910 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (1/1) ... [2024-11-10 23:14:35,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:14:35,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:14:35,943 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 23:14:35,946 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 23:14:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:14:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:14:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:14:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:14:36,149 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:14:36,154 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:14:36,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:14:36,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:14:36,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:14:36,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L916-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2024-11-10 23:14:36,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-1: main_#res#1 := main_~retValue_acc~7#1; [2024-11-10 23:14:36,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L738-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-10 23:14:36,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L738-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-10 23:14:36,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L738-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-10 23:14:36,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-10 23:14:36,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L161-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-10 23:14:36,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-10 23:14:36,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L161-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-10 23:14:36,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-10 23:14:36,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L161-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-10 23:14:36,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-10 23:14:36,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-10 23:14:36,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-10 23:14:36,512 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-10 23:14:36,512 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:14:36,534 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:14:36,536 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:14:36,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:36 BoogieIcfgContainer [2024-11-10 23:14:36,536 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:14:36,538 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:14:36,538 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:14:36,542 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:14:36,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:36,543 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:14:35" (1/3) ... [2024-11-10 23:14:36,544 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@729b19dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:36, skipping insertion in model container [2024-11-10 23:14:36,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:36,544 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:35" (2/3) ... [2024-11-10 23:14:36,544 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@729b19dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:36, skipping insertion in model container [2024-11-10 23:14:36,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:36,546 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:36" (3/3) ... [2024-11-10 23:14:36,547 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2024-11-10 23:14:36,607 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:14:36,607 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:14:36,607 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:14:36,607 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:14:36,607 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:14:36,607 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:14:36,607 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:14:36,607 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:14:36,611 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 23:14:36,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-10 23:14:36,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:36,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:36,636 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:36,636 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 23:14:36,636 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:14:36,637 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 23:14:36,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-10 23:14:36,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:36,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:36,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:36,644 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 23:14:36,649 INFO L745 eck$LassoCheckResult]: Stem: 95#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 25#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 45#L907true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 65#L900true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 70#L915true assume true;main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 110#L827true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 88#L801true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L238true [2024-11-10 23:14:36,649 INFO L747 eck$LassoCheckResult]: Loop: 22#L238true assume true; 7#L238-1true assume !false;assume true; 20#L240true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 107#L248true assume !(0 != test_~tmp~2#1); 39#L256true havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 27#L258true assume !(0 != test_~tmp___0~0#1); 11#L266true havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 16#L268true assume 0 != test_~tmp___2~0#1; 76#L283true assume { :begin_inline_timeShift } true; 14#L67-2true assume !(0 != ~pumpRunning~0); 84#L74-2true assume !(0 != ~systemActive~0); 103#L82-2true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 38#L705-4true assume true;__utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1; 47#L851-2true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 85#L872-2true assume true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 24#L84-2true assume true;assume { :end_inline_timeShift } true; 22#L238true [2024-11-10 23:14:36,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:36,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1851746310, now seen corresponding path program 1 times [2024-11-10 23:14:36,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:36,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576718358] [2024-11-10 23:14:36,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:36,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:36,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:36,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1559264577, now seen corresponding path program 1 times [2024-11-10 23:14:36,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:36,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093704520] [2024-11-10 23:14:36,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:36,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:36,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:36,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:36,828 INFO L85 PathProgramCache]: Analyzing trace with hash 149962948, now seen corresponding path program 1 times [2024-11-10 23:14:36,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:36,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783489507] [2024-11-10 23:14:36,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:36,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:36,989 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 23:14:36,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:36,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783489507] [2024-11-10 23:14:36,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783489507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:36,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:36,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:14:36,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392085430] [2024-11-10 23:14:36,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:37,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:37,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:14:37,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:14:37,138 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 23:14:37,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:37,184 INFO L93 Difference]: Finished difference Result 198 states and 254 transitions. [2024-11-10 23:14:37,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 254 transitions. [2024-11-10 23:14:37,190 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 122 [2024-11-10 23:14:37,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 176 states and 231 transitions. [2024-11-10 23:14:37,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 176 [2024-11-10 23:14:37,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 176 [2024-11-10 23:14:37,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 176 states and 231 transitions. [2024-11-10 23:14:37,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:37,201 INFO L218 hiAutomatonCegarLoop]: Abstraction has 176 states and 231 transitions. [2024-11-10 23:14:37,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states and 231 transitions. [2024-11-10 23:14:37,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 173. [2024-11-10 23:14:37,232 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 23:14:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 227 transitions. [2024-11-10 23:14:37,235 INFO L240 hiAutomatonCegarLoop]: Abstraction has 173 states and 227 transitions. [2024-11-10 23:14:37,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:14:37,240 INFO L425 stractBuchiCegarLoop]: Abstraction has 173 states and 227 transitions. [2024-11-10 23:14:37,241 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:14:37,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states and 227 transitions. [2024-11-10 23:14:37,243 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 122 [2024-11-10 23:14:37,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:37,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:37,244 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:37,244 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 23:14:37,245 INFO L745 eck$LassoCheckResult]: Stem: 419#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 380#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 381#L907 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 356#L900 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 357#L915 assume true;main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 368#L827 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 408#L801 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 376#L238 [2024-11-10 23:14:37,245 INFO L747 eck$LassoCheckResult]: Loop: 376#L238 assume true; 332#L238-1 assume !false;assume true; 333#L240 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 371#L248 assume !(0 != test_~tmp~2#1); 352#L256 havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 389#L258 assume !(0 != test_~tmp___0~0#1); 340#L266 havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 341#L268 assume 0 != test_~tmp___2~0#1; 361#L283 assume { :begin_inline_timeShift } true; 348#L67-2 assume !(0 != ~pumpRunning~0); 350#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 404#L99-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 458#L91-5 assume true;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 457#L117-2 assume true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 456#L82-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 414#L705-4 assume true;__utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1; 415#L851-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 330#L872-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 379#L84-2 assume true;assume { :end_inline_timeShift } true; 376#L238 [2024-11-10 23:14:37,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:37,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1851746310, now seen corresponding path program 2 times [2024-11-10 23:14:37,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:37,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440608477] [2024-11-10 23:14:37,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:37,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:37,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:37,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1430791753, now seen corresponding path program 1 times [2024-11-10 23:14:37,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:37,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505613449] [2024-11-10 23:14:37,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:37,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:37,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:37,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1329111442, now seen corresponding path program 1 times [2024-11-10 23:14:37,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:37,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903209651] [2024-11-10 23:14:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:37,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:37,459 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 23:14:37,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:37,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903209651] [2024-11-10 23:14:37,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903209651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:37,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:37,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:14:37,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792398823] [2024-11-10 23:14:37,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:37,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:37,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:14:37,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:14:37,524 INFO L87 Difference]: Start difference. First operand 173 states and 227 transitions. cyclomatic complexity: 58 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 23:14:37,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:37,646 INFO L93 Difference]: Finished difference Result 339 states and 439 transitions. [2024-11-10 23:14:37,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 339 states and 439 transitions. [2024-11-10 23:14:37,649 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 244 [2024-11-10 23:14:37,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 339 states to 339 states and 439 transitions. [2024-11-10 23:14:37,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 339 [2024-11-10 23:14:37,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 339 [2024-11-10 23:14:37,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 339 states and 439 transitions. [2024-11-10 23:14:37,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:37,658 INFO L218 hiAutomatonCegarLoop]: Abstraction has 339 states and 439 transitions. [2024-11-10 23:14:37,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states and 439 transitions. [2024-11-10 23:14:37,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2024-11-10 23:14:37,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 339 states have (on average 1.294985250737463) internal successors, (439), 338 states have internal predecessors, (439), 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 23:14:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 439 transitions. [2024-11-10 23:14:37,678 INFO L240 hiAutomatonCegarLoop]: Abstraction has 339 states and 439 transitions. [2024-11-10 23:14:37,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:14:37,679 INFO L425 stractBuchiCegarLoop]: Abstraction has 339 states and 439 transitions. [2024-11-10 23:14:37,679 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:14:37,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 339 states and 439 transitions. [2024-11-10 23:14:37,682 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 244 [2024-11-10 23:14:37,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:37,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:37,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:37,683 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 23:14:37,683 INFO L745 eck$LassoCheckResult]: Stem: 953#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 909#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 910#L907 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 883#L900 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 884#L915 assume true;main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 896#L827 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 944#L801 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 905#L238 [2024-11-10 23:14:37,684 INFO L747 eck$LassoCheckResult]: Loop: 905#L238 assume true; 860#L238-1 assume !false;assume true; 861#L240 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 900#L248 assume !(0 != test_~tmp~2#1); 1043#L256 havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 1042#L258 assume !(0 != test_~tmp___0~0#1); 925#L266 havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 888#L268 assume 0 != test_~tmp___2~0#1; 890#L283 assume { :begin_inline_timeShift } true; 913#L67-2 assume !(0 != ~pumpRunning~0); 937#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 938#L99-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 848#L91-5 assume true;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 849#L117-2 assume true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 891#L82-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 947#L705-4 assume true;__utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1; 948#L851-2 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 911#L737-2 assume true;__utac_acc__Specification3_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 854#L857-2 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1); 856#L872-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 906#L84-2 assume true;assume { :end_inline_timeShift } true; 905#L238 [2024-11-10 23:14:37,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:37,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1851746310, now seen corresponding path program 3 times [2024-11-10 23:14:37,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:37,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779687666] [2024-11-10 23:14:37,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:37,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:37,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:37,717 INFO L85 PathProgramCache]: Analyzing trace with hash -601827595, now seen corresponding path program 1 times [2024-11-10 23:14:37,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:37,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444780358] [2024-11-10 23:14:37,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:37,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:37,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:37,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1670321168, now seen corresponding path program 1 times [2024-11-10 23:14:37,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:37,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655274160] [2024-11-10 23:14:37,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:37,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:37,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:38,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:38,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:14:38 BoogieIcfgContainer [2024-11-10 23:14:38,693 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:14:38,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:14:38,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:14:38,694 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:14:38,695 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:36" (3/4) ... [2024-11-10 23:14:38,696 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:14:38,762 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:14:38,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:14:38,763 INFO L158 Benchmark]: Toolchain (without parser) took 3421.28ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 123.9MB in the beginning and 90.4MB in the end (delta: 33.6MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-11-10 23:14:38,763 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:14:38,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.73ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 103.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:14:38,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.05ms. Allocated memory is still 157.3MB. Free memory was 103.2MB in the beginning and 100.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:14:38,764 INFO L158 Benchmark]: Boogie Preprocessor took 49.63ms. Allocated memory is still 157.3MB. Free memory was 100.5MB in the beginning and 97.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:14:38,764 INFO L158 Benchmark]: IcfgBuilder took 627.31ms. Allocated memory is still 157.3MB. Free memory was 97.7MB in the beginning and 107.4MB in the end (delta: -9.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:14:38,765 INFO L158 Benchmark]: BuchiAutomizer took 2154.74ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 107.4MB in the beginning and 92.5MB in the end (delta: 14.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-10 23:14:38,765 INFO L158 Benchmark]: Witness Printer took 69.34ms. Allocated memory is still 188.7MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:14:38,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.73ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 103.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.05ms. Allocated memory is still 157.3MB. Free memory was 103.2MB in the beginning and 100.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.63ms. Allocated memory is still 157.3MB. Free memory was 100.5MB in the beginning and 97.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 627.31ms. Allocated memory is still 157.3MB. Free memory was 97.7MB in the beginning and 107.4MB in the end (delta: -9.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2154.74ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 107.4MB in the beginning and 92.5MB in the end (delta: 14.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 69.34ms. Allocated memory is still 188.7MB. Free memory was 92.5MB in the beginning and 90.4MB 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] - GenericResultAtLocation [Line: 294]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [294] - GenericResultAtLocation [Line: 660]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [660] - GenericResultAtLocation [Line: 741]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [741] - GenericResultAtLocation [Line: 840]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [840] - GenericResultAtLocation [Line: 875]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [875] - GenericResultAtLocation [Line: 884]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [884] * 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 5 locations. The remainder module has 339 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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, 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, 206 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 677 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 437 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 240 mSDtfsCounter, 72 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: 238]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L464] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int waterLevel = 1; [L663] int methaneLevelCritical = 0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L911] int retValue_acc ; [L914] retValue_acc = 1 [L915] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification3_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L849] CALL, EXPR isMethaneLevelCritical() [L701] int retValue_acc ; [L704] retValue_acc = methaneLevelCritical [L705] return (retValue_acc); [L849] RET, EXPR isMethaneLevelCritical() [L849] tmp = isMethaneLevelCritical() [L851] COND FALSE !(\read(tmp)) [L855] CALL, EXPR getWaterLevel() [L733] int retValue_acc ; [L736] retValue_acc = waterLevel [L737] return (retValue_acc); [L855] RET, EXPR getWaterLevel() [L855] tmp___0 = getWaterLevel() [L857] COND FALSE !(tmp___0 == 2) [L82] RET __utac_acc__Specification3_spec__1() [L283] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 238]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L464] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int waterLevel = 1; [L663] int methaneLevelCritical = 0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L911] int retValue_acc ; [L914] retValue_acc = 1 [L915] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification3_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L849] CALL, EXPR isMethaneLevelCritical() [L701] int retValue_acc ; [L704] retValue_acc = methaneLevelCritical [L705] return (retValue_acc); [L849] RET, EXPR isMethaneLevelCritical() [L849] tmp = isMethaneLevelCritical() [L851] COND FALSE !(\read(tmp)) [L855] CALL, EXPR getWaterLevel() [L733] int retValue_acc ; [L736] retValue_acc = waterLevel [L737] return (retValue_acc); [L855] RET, EXPR getWaterLevel() [L855] tmp___0 = getWaterLevel() [L857] COND FALSE !(tmp___0 == 2) [L82] RET __utac_acc__Specification3_spec__1() [L283] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:14:38,803 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)