./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.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_spec5_product33.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 fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:16:08,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:16:08,727 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:16:08,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:16:08,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:16:08,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:16:08,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:16:08,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:16:08,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:16:08,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:16:08,756 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:16:08,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:16:08,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:16:08,759 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:16:08,759 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:16:08,760 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:16:08,760 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:16:08,760 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:16:08,760 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:16:08,760 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:16:08,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:16:08,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:16:08,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:16:08,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:16:08,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:16:08,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:16:08,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:16:08,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:16:08,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:16:08,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:16:08,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:16:08,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:16:08,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:16:08,764 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:16:08,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:16:08,765 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:16:08,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:16:08,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:16:08,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:16:08,766 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:16:08,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 [2024-11-10 23:16:09,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:16:09,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:16:09,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:16:09,033 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:16:09,034 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:16:09,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2024-11-10 23:16:10,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:16:10,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:16:10,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2024-11-10 23:16:10,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02824810d/08a6b810a0f34375bd9bd37456d32311/FLAG1d71cc357 [2024-11-10 23:16:10,852 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02824810d/08a6b810a0f34375bd9bd37456d32311 [2024-11-10 23:16:10,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:16:10,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:16:10,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:10,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:16:10,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:16:10,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:10" (1/1) ... [2024-11-10 23:16:10,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d58f8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:10, skipping insertion in model container [2024-11-10 23:16:10,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:10" (1/1) ... [2024-11-10 23:16:10,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:16:11,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:11,192 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:16:11,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:16:11,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] [2024-11-10 23:16:11,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [484] [2024-11-10 23:16:11,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [649] [2024-11-10 23:16:11,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [687] [2024-11-10 23:16:11,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [785] [2024-11-10 23:16:11,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [794] [2024-11-10 23:16:11,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [889] [2024-11-10 23:16:11,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:11,278 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:16:11,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11 WrapperNode [2024-11-10 23:16:11,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:11,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:11,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:16:11,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:16:11,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,327 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 57, statements flattened = 377 [2024-11-10 23:16:11,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:11,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:16:11,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:16:11,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:16:11,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,346 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,368 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 23:16:11,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:16:11,383 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:16:11,384 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:16:11,384 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:16:11,384 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:16:11,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:16:11,408 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 23:16:11,410 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 23:16:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:16:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:16:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:16:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:16:11,551 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:16:11,553 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:16:11,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L646-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:11,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-1: main_#res#1 := main_~retValue_acc~8#1; [2024-11-10 23:16:11,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L684-1: valid_product_#res#1 := valid_product_~retValue_acc~7#1; [2024-11-10 23:16:11,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:16:11,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L591-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L591-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L591-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L591-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L872-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L591-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L872-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L591-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L872-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L646-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:11,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L646-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:11,837 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-10 23:16:11,837 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:16:11,851 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:16:11,851 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:16:11,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:11 BoogieIcfgContainer [2024-11-10 23:16:11,851 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:16:11,852 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:16:11,852 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:16:11,855 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:16:11,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:11,856 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:16:10" (1/3) ... [2024-11-10 23:16:11,856 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27662ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:11, skipping insertion in model container [2024-11-10 23:16:11,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:11,857 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (2/3) ... [2024-11-10 23:16:11,858 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27662ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:11, skipping insertion in model container [2024-11-10 23:16:11,858 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:11,859 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:11" (3/3) ... [2024-11-10 23:16:11,860 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2024-11-10 23:16:11,908 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:16:11,909 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:16:11,909 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:16:11,909 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:16:11,909 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:16:11,909 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:16:11,909 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:16:11,910 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:16:11,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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 23:16:11,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2024-11-10 23:16:11,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:11,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:11,943 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:11,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:11,944 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:16:11,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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 23:16:11,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2024-11-10 23:16:11,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:11,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:11,953 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:11,953 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:11,957 INFO L745 eck$LassoCheckResult]: Stem: 106#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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~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~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 57#L675true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 26#L668true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 66#L683true assume true;main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 4#L772true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 10#L747true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 8#L896true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 16#L430true [2024-11-10 23:16:11,958 INFO L747 eck$LassoCheckResult]: Loop: 16#L430true assume true; 33#L430-1true assume !false;assume true; 73#L432true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 88#L440true assume !(0 != test_~tmp~3#1); 112#L448true havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 84#L450true assume !(0 != test_~tmp___0~0#1); 98#L458true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 49#L460true assume 0 != test_~tmp___2~0#1; 110#L473true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 20#L590-5true assume true;__utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 108#L906-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 82#L505-2true assume !(0 != ~pumpRunning~0); 18#L512-2true assume !(0 != ~systemActive~0); 63#L520-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 96#L871-2true assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 11#L917-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 40#L935-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 36#L522-2true assume true;assume { :end_inline_timeShift } true; 16#L430true [2024-11-10 23:16:11,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:11,969 INFO L85 PathProgramCache]: Analyzing trace with hash 568005402, now seen corresponding path program 1 times [2024-11-10 23:16:11,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:11,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841004811] [2024-11-10 23:16:11,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:11,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:12,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1211323755, now seen corresponding path program 1 times [2024-11-10 23:16:12,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219851931] [2024-11-10 23:16:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:12,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,110 INFO L85 PathProgramCache]: Analyzing trace with hash -204699282, now seen corresponding path program 1 times [2024-11-10 23:16:12,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884040974] [2024-11-10 23:16:12,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:12,325 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 23:16:12,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:12,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884040974] [2024-11-10 23:16:12,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884040974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:12,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:12,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:16:12,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457903986] [2024-11-10 23:16:12,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:12,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:12,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:16:12,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:16:12,448 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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 4.333333333333333) internal successors, (26), 5 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 23:16:12,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:12,543 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions. [2024-11-10 23:16:12,544 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 143 transitions. [2024-11-10 23:16:12,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-10 23:16:12,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 101 states and 132 transitions. [2024-11-10 23:16:12,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2024-11-10 23:16:12,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2024-11-10 23:16:12,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 132 transitions. [2024-11-10 23:16:12,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:12,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 101 states and 132 transitions. [2024-11-10 23:16:12,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 132 transitions. [2024-11-10 23:16:12,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-10 23:16:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.306930693069307) internal successors, (132), 100 states have internal predecessors, (132), 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 23:16:12,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2024-11-10 23:16:12,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 101 states and 132 transitions. [2024-11-10 23:16:12,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:12,591 INFO L425 stractBuchiCegarLoop]: Abstraction has 101 states and 132 transitions. [2024-11-10 23:16:12,591 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:16:12,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 132 transitions. [2024-11-10 23:16:12,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-10 23:16:12,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:12,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:12,593 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:12,593 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 23:16:12,593 INFO L745 eck$LassoCheckResult]: Stem: 348#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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~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~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 284#L675 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 285#L668 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 286#L683 assume true;main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 248#L772 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 249#L747 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 255#L896 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 256#L430 [2024-11-10 23:16:12,593 INFO L747 eck$LassoCheckResult]: Loop: 256#L430 assume true; 269#L430-1 assume !false;assume true; 291#L432 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 333#L440 assume !(0 != test_~tmp~3#1); 300#L448 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 341#L450 assume !(0 != test_~tmp___0~0#1); 337#L458 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 312#L460 assume 0 != test_~tmp___2~0#1; 314#L473 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 275#L590-5 assume true;__utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 276#L906-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 339#L505-2 assume !(0 != ~pumpRunning~0); 273#L512-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 274#L537-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 343#L529-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 310#L555-2 assume true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 311#L520-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 326#L871-2 assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 259#L917-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 261#L935-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 295#L522-2 assume true;assume { :end_inline_timeShift } true; 256#L430 [2024-11-10 23:16:12,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,594 INFO L85 PathProgramCache]: Analyzing trace with hash 568005402, now seen corresponding path program 2 times [2024-11-10 23:16:12,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610412401] [2024-11-10 23:16:12,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:12,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1083635091, now seen corresponding path program 1 times [2024-11-10 23:16:12,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766389085] [2024-11-10 23:16:12,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:12,631 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 23:16:12,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:12,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766389085] [2024-11-10 23:16:12,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766389085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:12,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:12,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:16:12,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129813441] [2024-11-10 23:16:12,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:12,638 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:12,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:12,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:16:12,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:16:12,639 INFO L87 Difference]: Start difference. First operand 101 states and 132 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:16:12,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:12,697 INFO L93 Difference]: Finished difference Result 161 states and 205 transitions. [2024-11-10 23:16:12,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 205 transitions. [2024-11-10 23:16:12,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2024-11-10 23:16:12,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 161 states and 205 transitions. [2024-11-10 23:16:12,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 161 [2024-11-10 23:16:12,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 161 [2024-11-10 23:16:12,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 205 transitions. [2024-11-10 23:16:12,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:12,703 INFO L218 hiAutomatonCegarLoop]: Abstraction has 161 states and 205 transitions. [2024-11-10 23:16:12,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 205 transitions. [2024-11-10 23:16:12,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-10 23:16:12,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 161 states have (on average 1.2732919254658386) internal successors, (205), 160 states have internal predecessors, (205), 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 23:16:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 205 transitions. [2024-11-10 23:16:12,709 INFO L240 hiAutomatonCegarLoop]: Abstraction has 161 states and 205 transitions. [2024-11-10 23:16:12,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:16:12,710 INFO L425 stractBuchiCegarLoop]: Abstraction has 161 states and 205 transitions. [2024-11-10 23:16:12,710 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:16:12,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 205 transitions. [2024-11-10 23:16:12,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2024-11-10 23:16:12,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:12,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:12,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:12,714 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:12,715 INFO L745 eck$LassoCheckResult]: Stem: 626#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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 552#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 553#L675 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 554#L668 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 555#L683 assume true;main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 516#L772 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 517#L747 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 523#L896 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 524#L430 [2024-11-10 23:16:12,715 INFO L747 eck$LassoCheckResult]: Loop: 524#L430 assume true; 538#L430-1 assume !false;assume true; 560#L432 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 603#L440 assume !(0 != test_~tmp~3#1); 569#L448 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 627#L450 assume !(0 != test_~tmp___0~0#1); 673#L458 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 582#L460 assume 0 != test_~tmp___2~0#1; 584#L473 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 544#L590-5 assume true;__utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 545#L906-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 611#L505-2 assume !(0 != ~pumpRunning~0); 612#L512-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 616#L537-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 617#L879-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 565#L884-2 assume true;isHighWaterLevel_#t~ret41#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret41#1;havoc isHighWaterLevel_#t~ret41#1; 550#L639-2 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 551#L644-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 577#L645-2 assume true;processEnvironment_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret31#1;havoc processEnvironment_#t~ret31#1; 539#L541-2 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 541#L529-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 578#L555-2 assume true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 579#L520-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 597#L871-2 assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 527#L917-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 529#L935-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 564#L522-2 assume true;assume { :end_inline_timeShift } true; 524#L430 [2024-11-10 23:16:12,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,715 INFO L85 PathProgramCache]: Analyzing trace with hash 568005402, now seen corresponding path program 3 times [2024-11-10 23:16:12,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035753778] [2024-11-10 23:16:12,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:12,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,743 INFO L85 PathProgramCache]: Analyzing trace with hash 884002788, now seen corresponding path program 1 times [2024-11-10 23:16:12,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553663939] [2024-11-10 23:16:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:12,814 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 23:16:12,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:12,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553663939] [2024-11-10 23:16:12,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553663939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:12,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:12,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:16:12,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301994515] [2024-11-10 23:16:12,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:12,815 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:12,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:12,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:16:12,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:16:12,816 INFO L87 Difference]: Start difference. First operand 161 states and 205 transitions. cyclomatic complexity: 46 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 23:16:12,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:12,938 INFO L93 Difference]: Finished difference Result 314 states and 396 transitions. [2024-11-10 23:16:12,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 314 states and 396 transitions. [2024-11-10 23:16:12,941 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 224 [2024-11-10 23:16:12,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 314 states to 314 states and 396 transitions. [2024-11-10 23:16:12,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 314 [2024-11-10 23:16:12,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 314 [2024-11-10 23:16:12,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 314 states and 396 transitions. [2024-11-10 23:16:12,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:12,946 INFO L218 hiAutomatonCegarLoop]: Abstraction has 314 states and 396 transitions. [2024-11-10 23:16:12,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states and 396 transitions. [2024-11-10 23:16:12,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 311. [2024-11-10 23:16:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 311 states have (on average 1.2540192926045015) internal successors, (390), 310 states have internal predecessors, (390), 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 23:16:12,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 390 transitions. [2024-11-10 23:16:12,959 INFO L240 hiAutomatonCegarLoop]: Abstraction has 311 states and 390 transitions. [2024-11-10 23:16:12,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:12,960 INFO L425 stractBuchiCegarLoop]: Abstraction has 311 states and 390 transitions. [2024-11-10 23:16:12,960 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:16:12,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 311 states and 390 transitions. [2024-11-10 23:16:12,962 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 222 [2024-11-10 23:16:12,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:12,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:12,963 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:12,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:12,963 INFO L745 eck$LassoCheckResult]: Stem: 1136#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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 1039#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1040#L675 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1041#L668 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1042#L683 assume true;main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 1003#L772 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1004#L747 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1009#L896 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1010#L430 [2024-11-10 23:16:12,963 INFO L747 eck$LassoCheckResult]: Loop: 1010#L430 assume true; 1257#L430-1 assume !false;assume true; 1256#L432 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1117#L440 assume !(0 != test_~tmp~3#1); 1118#L448 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1308#L450 assume !(0 != test_~tmp___0~0#1); 1307#L458 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1306#L460 assume 0 != test_~tmp___2~0#1; 1304#L473 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1303#L590-5 assume true;__utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 1138#L906-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1113#L505-2 assume !(0 != ~pumpRunning~0); 1028#L512-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 1029#L537-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1116#L879-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1122#L884-2 assume true;isHighWaterLevel_#t~ret41#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret41#1;havoc isHighWaterLevel_#t~ret41#1; 1037#L639-2 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1038#L644-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1066#L645-2 assume true;processEnvironment_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret31#1;havoc processEnvironment_#t~ret31#1; 1025#L541-2 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1027#L529-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1067#L555-2 assume true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 1068#L520-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1092#L871-2 assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1013#L917-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1014#L590-4 assume true;__utac_acc__Specification5_spec__3_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1301#L921-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1300#L935-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1299#L522-2 assume true;assume { :end_inline_timeShift } true; 1010#L430 [2024-11-10 23:16:12,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,964 INFO L85 PathProgramCache]: Analyzing trace with hash 568005402, now seen corresponding path program 4 times [2024-11-10 23:16:12,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266277813] [2024-11-10 23:16:12,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:12,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,988 INFO L85 PathProgramCache]: Analyzing trace with hash -877455518, now seen corresponding path program 1 times [2024-11-10 23:16:12,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972973095] [2024-11-10 23:16:12,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:13,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:13,012 INFO L85 PathProgramCache]: Analyzing trace with hash -44980503, now seen corresponding path program 1 times [2024-11-10 23:16:13,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:13,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966334734] [2024-11-10 23:16:13,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:13,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:16:13 BoogieIcfgContainer [2024-11-10 23:16:13,813 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:16:13,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:16:13,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:16:13,814 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:16:13,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:11" (3/4) ... [2024-11-10 23:16:13,816 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:16:13,883 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:16:13,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:16:13,886 INFO L158 Benchmark]: Toolchain (without parser) took 3029.72ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 100.4MB in the beginning and 135.7MB in the end (delta: -35.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-10 23:16:13,886 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:13,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.15ms. Allocated memory is still 140.5MB. Free memory was 100.1MB in the beginning and 79.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:16:13,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.56ms. Allocated memory is still 140.5MB. Free memory was 79.1MB in the beginning and 76.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:13,886 INFO L158 Benchmark]: Boogie Preprocessor took 53.28ms. Allocated memory is still 140.5MB. Free memory was 76.3MB in the beginning and 73.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:13,886 INFO L158 Benchmark]: IcfgBuilder took 467.97ms. Allocated memory is still 140.5MB. Free memory was 73.9MB in the beginning and 90.0MB in the end (delta: -16.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:16:13,887 INFO L158 Benchmark]: BuchiAutomizer took 1961.54ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 90.0MB in the beginning and 138.8MB in the end (delta: -48.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:13,887 INFO L158 Benchmark]: Witness Printer took 71.11ms. Allocated memory is still 182.5MB. Free memory was 138.8MB in the beginning and 135.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:13,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.15ms. Allocated memory is still 140.5MB. Free memory was 100.1MB in the beginning and 79.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.56ms. Allocated memory is still 140.5MB. Free memory was 79.1MB in the beginning and 76.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.28ms. Allocated memory is still 140.5MB. Free memory was 76.3MB in the beginning and 73.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 467.97ms. Allocated memory is still 140.5MB. Free memory was 73.9MB in the beginning and 90.0MB in the end (delta: -16.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1961.54ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 90.0MB in the beginning and 138.8MB in the end (delta: -48.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.11ms. Allocated memory is still 182.5MB. Free memory was 138.8MB in the beginning and 135.7MB in the end (delta: 3.1MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [484] - GenericResultAtLocation [Line: 649]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [649] - GenericResultAtLocation [Line: 687]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [687] - GenericResultAtLocation [Line: 785]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [785] - GenericResultAtLocation [Line: 794]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [794] - GenericResultAtLocation [Line: 889]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [889] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 311 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 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, 360 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 360 mSDsluCounter, 1149 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 715 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 434 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 430]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L493] int pumpRunning = 0; [L494] int systemActive = 1; [L688] int cleanupTimeShifts = 4; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; [L890] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L763] int retValue_acc ; [L764] int tmp ; [L768] FCALL select_helpers() [L769] FCALL select_features() [L770] CALL, EXPR valid_product() [L679] int retValue_acc ; [L682] retValue_acc = 1 [L683] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L770] RET, EXPR valid_product() [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) [L774] FCALL setup() [L775] CALL runTest() [L756] CALL __utac_acc__Specification5_spec__1() [L895] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L756] RET __utac_acc__Specification5_spec__1() [L757] CALL test() [L421] int splverifierCounter ; [L422] int tmp ; [L423] int tmp___0 ; [L424] int tmp___1 ; [L425] int tmp___2 ; [L428] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L430] COND TRUE 1 [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp)) [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___0)) [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) [L473] CALL timeShift() [L503] CALL __utac_acc__Specification5_spec__2() [L904] CALL, EXPR isPumpRunning() [L586] int retValue_acc ; [L589] retValue_acc = pumpRunning [L590] return (retValue_acc); [L904] RET, EXPR isPumpRunning() [L904] switchedOnBeforeTS = isPumpRunning() [L503] RET __utac_acc__Specification5_spec__2() [L505] COND FALSE !(\read(pumpRunning)) [L512] COND TRUE \read(systemActive) [L514] CALL processEnvironment() [L534] int tmp ; [L537] COND TRUE ! pumpRunning [L539] CALL, EXPR isHighWaterLevel() [L631] int retValue_acc ; [L632] int tmp ; [L633] int tmp___0 ; [L637] CALL, EXPR isHighWaterSensorDry() [L876] int retValue_acc ; [L879] COND TRUE waterLevel < 2 [L880] retValue_acc = 1 [L881] return (retValue_acc); [L637] RET, EXPR isHighWaterSensorDry() [L637] tmp = isHighWaterSensorDry() [L639] COND TRUE \read(tmp) [L640] tmp___0 = 0 [L644] retValue_acc = tmp___0 [L645] return (retValue_acc); [L539] RET, EXPR isHighWaterLevel() [L539] tmp = isHighWaterLevel() [L541] COND FALSE !(\read(tmp)) [L547] FCALL processEnvironment__wrappee__base() [L514] RET processEnvironment() [L520] CALL __utac_acc__Specification5_spec__3() [L910] int tmp ; [L911] int tmp___0 ; [L915] CALL, EXPR getWaterLevel() [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); [L915] RET, EXPR getWaterLevel() [L915] tmp = getWaterLevel() [L917] COND TRUE tmp != 2 [L919] CALL, EXPR isPumpRunning() [L586] int retValue_acc ; [L589] retValue_acc = pumpRunning [L590] return (retValue_acc); [L919] RET, EXPR isPumpRunning() [L919] tmp___0 = isPumpRunning() [L921] COND FALSE !(\read(tmp___0)) [L520] RET __utac_acc__Specification5_spec__3() [L473] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 430]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L493] int pumpRunning = 0; [L494] int systemActive = 1; [L688] int cleanupTimeShifts = 4; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; [L890] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L763] int retValue_acc ; [L764] int tmp ; [L768] FCALL select_helpers() [L769] FCALL select_features() [L770] CALL, EXPR valid_product() [L679] int retValue_acc ; [L682] retValue_acc = 1 [L683] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L770] RET, EXPR valid_product() [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) [L774] FCALL setup() [L775] CALL runTest() [L756] CALL __utac_acc__Specification5_spec__1() [L895] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L756] RET __utac_acc__Specification5_spec__1() [L757] CALL test() [L421] int splverifierCounter ; [L422] int tmp ; [L423] int tmp___0 ; [L424] int tmp___1 ; [L425] int tmp___2 ; [L428] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L430] COND TRUE 1 [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp)) [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___0)) [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) [L473] CALL timeShift() [L503] CALL __utac_acc__Specification5_spec__2() [L904] CALL, EXPR isPumpRunning() [L586] int retValue_acc ; [L589] retValue_acc = pumpRunning [L590] return (retValue_acc); [L904] RET, EXPR isPumpRunning() [L904] switchedOnBeforeTS = isPumpRunning() [L503] RET __utac_acc__Specification5_spec__2() [L505] COND FALSE !(\read(pumpRunning)) [L512] COND TRUE \read(systemActive) [L514] CALL processEnvironment() [L534] int tmp ; [L537] COND TRUE ! pumpRunning [L539] CALL, EXPR isHighWaterLevel() [L631] int retValue_acc ; [L632] int tmp ; [L633] int tmp___0 ; [L637] CALL, EXPR isHighWaterSensorDry() [L876] int retValue_acc ; [L879] COND TRUE waterLevel < 2 [L880] retValue_acc = 1 [L881] return (retValue_acc); [L637] RET, EXPR isHighWaterSensorDry() [L637] tmp = isHighWaterSensorDry() [L639] COND TRUE \read(tmp) [L640] tmp___0 = 0 [L644] retValue_acc = tmp___0 [L645] return (retValue_acc); [L539] RET, EXPR isHighWaterLevel() [L539] tmp = isHighWaterLevel() [L541] COND FALSE !(\read(tmp)) [L547] FCALL processEnvironment__wrappee__base() [L514] RET processEnvironment() [L520] CALL __utac_acc__Specification5_spec__3() [L910] int tmp ; [L911] int tmp___0 ; [L915] CALL, EXPR getWaterLevel() [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); [L915] RET, EXPR getWaterLevel() [L915] tmp = getWaterLevel() [L917] COND TRUE tmp != 2 [L919] CALL, EXPR isPumpRunning() [L586] int retValue_acc ; [L589] retValue_acc = pumpRunning [L590] return (retValue_acc); [L919] RET, EXPR isPumpRunning() [L919] tmp___0 = isPumpRunning() [L921] COND FALSE !(\read(tmp___0)) [L520] RET __utac_acc__Specification5_spec__3() [L473] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:16:13,908 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)