./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product35.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_product35.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 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:16:10,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:16:10,997 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:16:11,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:16:11,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:16:11,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:16:11,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:16:11,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:16:11,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:16:11,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:16:11,038 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:16:11,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:16:11,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:16:11,040 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:16:11,043 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:16:11,044 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:16:11,044 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:16:11,044 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:16:11,045 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:16:11,045 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:16:11,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:16:11,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:16:11,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:16:11,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:16:11,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:16:11,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:16:11,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:16:11,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:16:11,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:16:11,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:16:11,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:16:11,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:16:11,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:16:11,049 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:16:11,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:16:11,049 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:16:11,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:16:11,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:16:11,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:16:11,051 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:16:11,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589 [2024-11-10 23:16:11,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:16:11,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:16:11,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:16:11,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:16:11,347 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:16:11,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2024-11-10 23:16:12,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:16:13,068 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:16:13,069 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2024-11-10 23:16:13,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d866c34/42b8729b5b0148c4931ad14d2933dea0/FLAGa23ed1c21 [2024-11-10 23:16:13,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d866c34/42b8729b5b0148c4931ad14d2933dea0 [2024-11-10 23:16:13,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:16:13,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:16:13,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:13,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:16:13,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:16:13,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296dd012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13, skipping insertion in model container [2024-11-10 23:16:13,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:16:13,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:13,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:16:13,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-10 23:16:13,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2024-11-10 23:16:13,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [164] [2024-11-10 23:16:13,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2024-11-10 23:16:13,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] [2024-11-10 23:16:13,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] [2024-11-10 23:16:13,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [732] [2024-11-10 23:16:13,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [907] [2024-11-10 23:16:13,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:13,632 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:16:13,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13 WrapperNode [2024-11-10 23:16:13,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:13,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:13,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:16:13,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:16:13,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,686 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 59, statements flattened = 384 [2024-11-10 23:16:13,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:13,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:16:13,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:16:13,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:16:13,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,700 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,715 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 23:16:13,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,728 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:16:13,738 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:16:13,739 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:16:13,739 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:16:13,740 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (1/1) ... [2024-11-10 23:16:13,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:16:13,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:16:13,788 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 23:16:13,791 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 23:16:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:16:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:16:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:16:13,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:16:13,972 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:16:13,979 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:16:14,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L729-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:16:14,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L729-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:16:14,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L729-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:16:14,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L715-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-10 23:16:14,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L715-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-10 23:16:14,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L715-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-10 23:16:14,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L834-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:14,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L834-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:14,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L834-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:14,316 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L834-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:14,316 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L834-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:14,316 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L834-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:14,317 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L161-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:16:14,317 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:14,317 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:14,317 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:14,317 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-10 23:16:14,338 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-10 23:16:14,342 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:16:14,358 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:16:14,359 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:16:14,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:14 BoogieIcfgContainer [2024-11-10 23:16:14,359 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:16:14,360 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:16:14,360 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:16:14,364 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:16:14,365 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:14,365 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:16:13" (1/3) ... [2024-11-10 23:16:14,366 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79c0ca1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:14, skipping insertion in model container [2024-11-10 23:16:14,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:14,366 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:13" (2/3) ... [2024-11-10 23:16:14,367 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79c0ca1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:14, skipping insertion in model container [2024-11-10 23:16:14,367 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:14,367 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:14" (3/3) ... [2024-11-10 23:16:14,370 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2024-11-10 23:16:14,430 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:16:14,431 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:16:14,431 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:16:14,431 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:16:14,431 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:16:14,431 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:16:14,431 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:16:14,431 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:16:14,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 122 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 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 23:16:14,455 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2024-11-10 23:16:14,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:14,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:14,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:14,461 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 23:16:14,461 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:16:14,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 122 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 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 23:16:14,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2024-11-10 23:16:14,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:14,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:14,469 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:14,469 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 23:16:14,474 INFO L745 eck$LassoCheckResult]: Stem: 108#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 27#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 71#L553true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 33#L546true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 60#L561true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 81#L151true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 46#L122true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 75#L914true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 56#L577true [2024-11-10 23:16:14,475 INFO L747 eck$LassoCheckResult]: Loop: 56#L577true assume true; 42#L577-1true assume !false;assume true; 12#L579true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 114#L587true assume !(0 != test_~tmp~4#1); 119#L595true havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 103#L597true assume !(0 != test_~tmp___0~0#1); 51#L605true havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 32#L607true assume 0 != test_~tmp___2~0#1; 95#L622true 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~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 76#L833-5true assume true;__utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#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; 8#L924-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 4#L748-2true assume !(0 != ~pumpRunning~0); 112#L755-2true assume !(0 != ~systemActive~0); 73#L763-2true 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~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 82#L714-2true assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#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; 45#L935-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 19#L953-2true 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; 28#L765-2true assume true;assume { :end_inline_timeShift } true; 56#L577true [2024-11-10 23:16:14,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:14,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2007418522, now seen corresponding path program 1 times [2024-11-10 23:16:14,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:14,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745572458] [2024-11-10 23:16:14,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:14,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:14,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:14,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:14,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:14,639 INFO L85 PathProgramCache]: Analyzing trace with hash -416416235, now seen corresponding path program 1 times [2024-11-10 23:16:14,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:14,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760347535] [2024-11-10 23:16:14,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:14,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:14,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:14,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:14,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:14,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1279020946, now seen corresponding path program 1 times [2024-11-10 23:16:14,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:14,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098736492] [2024-11-10 23:16:14,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:14,838 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 23:16:14,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:14,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098736492] [2024-11-10 23:16:14,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098736492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:14,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:14,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:16:14,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555118441] [2024-11-10 23:16:14,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:14,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:14,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:16:14,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:16:14,971 INFO L87 Difference]: Start difference. First operand has 122 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 23:16:15,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:15,021 INFO L93 Difference]: Finished difference Result 223 states and 291 transitions. [2024-11-10 23:16:15,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 223 states and 291 transitions. [2024-11-10 23:16:15,028 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 138 [2024-11-10 23:16:15,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 223 states to 201 states and 268 transitions. [2024-11-10 23:16:15,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 201 [2024-11-10 23:16:15,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 201 [2024-11-10 23:16:15,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 268 transitions. [2024-11-10 23:16:15,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:15,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 201 states and 268 transitions. [2024-11-10 23:16:15,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 268 transitions. [2024-11-10 23:16:15,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2024-11-10 23:16:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 198 states have (on average 1.3333333333333333) internal successors, (264), 197 states have internal predecessors, (264), 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 23:16:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 264 transitions. [2024-11-10 23:16:15,095 INFO L240 hiAutomatonCegarLoop]: Abstraction has 198 states and 264 transitions. [2024-11-10 23:16:15,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:16:15,105 INFO L425 stractBuchiCegarLoop]: Abstraction has 198 states and 264 transitions. [2024-11-10 23:16:15,105 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:16:15,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 264 transitions. [2024-11-10 23:16:15,114 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 138 [2024-11-10 23:16:15,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:15,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:15,115 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:15,115 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 23:16:15,116 INFO L745 eck$LassoCheckResult]: Stem: 477#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 403#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 404#L553 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 411#L546 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 412#L561 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 443#L151 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 430#L122 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 431#L914 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 405#L577 [2024-11-10 23:16:15,116 INFO L747 eck$LassoCheckResult]: Loop: 405#L577 assume true; 423#L577-1 assume !false;assume true; 375#L579 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 377#L587 assume !(0 != test_~tmp~4#1); 486#L595 havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 475#L597 assume !(0 != test_~tmp___0~0#1); 387#L605 havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 494#L607 assume 0 != test_~tmp___2~0#1; 493#L622 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~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 492#L833-5 assume true;__utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#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; 491#L924-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 489#L748-2 assume !(0 != ~pumpRunning~0); 479#L755-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 480#L780-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 457#L772-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 380#L798-2 assume true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 381#L763-2 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~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 462#L714-2 assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#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; 428#L935-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 388#L953-2 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; 389#L765-2 assume true;assume { :end_inline_timeShift } true; 405#L577 [2024-11-10 23:16:15,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:15,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2007418522, now seen corresponding path program 2 times [2024-11-10 23:16:15,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:15,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700553475] [2024-11-10 23:16:15,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:15,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:15,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:15,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1851590381, now seen corresponding path program 1 times [2024-11-10 23:16:15,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:15,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613067982] [2024-11-10 23:16:15,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:15,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:15,198 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 23:16:15,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:15,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613067982] [2024-11-10 23:16:15,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613067982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:15,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:15,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:16:15,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27834939] [2024-11-10 23:16:15,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:15,201 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:15,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:15,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:16:15,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:16:15,204 INFO L87 Difference]: Start difference. First operand 198 states and 264 transitions. cyclomatic complexity: 70 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 23:16:15,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:15,294 INFO L93 Difference]: Finished difference Result 319 states and 414 transitions. [2024-11-10 23:16:15,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 319 states and 414 transitions. [2024-11-10 23:16:15,301 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 229 [2024-11-10 23:16:15,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 319 states to 319 states and 414 transitions. [2024-11-10 23:16:15,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 319 [2024-11-10 23:16:15,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 319 [2024-11-10 23:16:15,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 319 states and 414 transitions. [2024-11-10 23:16:15,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:15,311 INFO L218 hiAutomatonCegarLoop]: Abstraction has 319 states and 414 transitions. [2024-11-10 23:16:15,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states and 414 transitions. [2024-11-10 23:16:15,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2024-11-10 23:16:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 319 states have (on average 1.297805642633229) internal successors, (414), 318 states have internal predecessors, (414), 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 23:16:15,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 414 transitions. [2024-11-10 23:16:15,338 INFO L240 hiAutomatonCegarLoop]: Abstraction has 319 states and 414 transitions. [2024-11-10 23:16:15,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:16:15,340 INFO L425 stractBuchiCegarLoop]: Abstraction has 319 states and 414 transitions. [2024-11-10 23:16:15,340 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:16:15,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 319 states and 414 transitions. [2024-11-10 23:16:15,342 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 229 [2024-11-10 23:16:15,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:15,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:15,343 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:15,343 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 23:16:15,343 INFO L745 eck$LassoCheckResult]: Stem: 998#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 924#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 925#L553 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 932#L546 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 933#L561 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 960#L151 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 948#L122 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 949#L914 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 926#L577 [2024-11-10 23:16:15,343 INFO L747 eck$LassoCheckResult]: Loop: 926#L577 assume true; 941#L577-1 assume !false;assume true; 894#L579 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 896#L587 assume !(0 != test_~tmp~4#1); 1053#L595 havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1094#L597 assume !(0 != test_~tmp___0~0#1); 1093#L605 havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 1091#L607 assume 0 != test_~tmp___2~0#1; 984#L622 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~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 985#L833-5 assume true;__utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#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; 1090#L924-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1089#L748-2 assume !(0 != ~pumpRunning~0); 1019#L755-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1088#L780-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1084#L722-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 986#L727-2 assume true;isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 987#L882-2 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1087#L887-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 1086#L888-2 assume true;processEnvironment_#t~ret38#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret38#1;havoc processEnvironment_#t~ret38#1; 1085#L784-2 assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 971#L772-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 901#L798-2 assume true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 902#L763-2 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~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 968#L714-2 assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#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; 946#L935-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 909#L953-2 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; 910#L765-2 assume true;assume { :end_inline_timeShift } true; 926#L577 [2024-11-10 23:16:15,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:15,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2007418522, now seen corresponding path program 3 times [2024-11-10 23:16:15,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:15,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518686650] [2024-11-10 23:16:15,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:15,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:15,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:15,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1227527068, now seen corresponding path program 1 times [2024-11-10 23:16:15,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:15,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921414150] [2024-11-10 23:16:15,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:15,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:15,485 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 23:16:15,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:15,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921414150] [2024-11-10 23:16:15,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921414150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:15,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:15,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:16:15,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180233464] [2024-11-10 23:16:15,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:15,487 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:15,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:15,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:16:15,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:16:15,490 INFO L87 Difference]: Start difference. First operand 319 states and 414 transitions. cyclomatic complexity: 99 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 23:16:15,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:15,643 INFO L93 Difference]: Finished difference Result 630 states and 808 transitions. [2024-11-10 23:16:15,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 630 states and 808 transitions. [2024-11-10 23:16:15,670 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 458 [2024-11-10 23:16:15,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 630 states to 630 states and 808 transitions. [2024-11-10 23:16:15,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 630 [2024-11-10 23:16:15,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 630 [2024-11-10 23:16:15,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 630 states and 808 transitions. [2024-11-10 23:16:15,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:15,677 INFO L218 hiAutomatonCegarLoop]: Abstraction has 630 states and 808 transitions. [2024-11-10 23:16:15,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states and 808 transitions. [2024-11-10 23:16:15,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2024-11-10 23:16:15,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 624 states have (on average 1.2756410256410255) internal successors, (796), 623 states have internal predecessors, (796), 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 23:16:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 796 transitions. [2024-11-10 23:16:15,698 INFO L240 hiAutomatonCegarLoop]: Abstraction has 624 states and 796 transitions. [2024-11-10 23:16:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:15,699 INFO L425 stractBuchiCegarLoop]: Abstraction has 624 states and 796 transitions. [2024-11-10 23:16:15,699 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:16:15,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 624 states and 796 transitions. [2024-11-10 23:16:15,702 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 454 [2024-11-10 23:16:15,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:15,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:15,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:15,704 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 23:16:15,704 INFO L745 eck$LassoCheckResult]: Stem: 1970#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 1884#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1885#L553 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1892#L546 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1893#L561 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1924#L151 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1910#L122 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1911#L914 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1886#L577 [2024-11-10 23:16:15,704 INFO L747 eck$LassoCheckResult]: Loop: 1886#L577 assume true; 1903#L577-1 assume !false;assume true; 1855#L579 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1857#L587 assume !(0 != test_~tmp~4#1); 1907#L595 havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1982#L597 assume !(0 != test_~tmp___0~0#1); 2181#L605 havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 2174#L607 assume 0 != test_~tmp___2~0#1; 2172#L622 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~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 2170#L833-5 assume true;__utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#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; 2138#L924-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2139#L748-2 assume !(0 != ~pumpRunning~0); 2072#L755-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2073#L780-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 2069#L722-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 2070#L727-2 assume true;isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 2062#L882-2 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2063#L887-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 2054#L888-2 assume true;processEnvironment_#t~ret38#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret38#1;havoc processEnvironment_#t~ret38#1; 2055#L784-2 assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1937#L772-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1862#L798-2 assume true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1863#L763-2 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~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1935#L714-2 assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#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; 1908#L935-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1909#L833-4 assume true;__utac_acc__Specification5_spec__3_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#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; 1931#L939-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1870#L953-2 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; 1871#L765-2 assume true;assume { :end_inline_timeShift } true; 1886#L577 [2024-11-10 23:16:15,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:15,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2007418522, now seen corresponding path program 4 times [2024-11-10 23:16:15,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:15,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514088749] [2024-11-10 23:16:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:15,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:15,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:15,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1461883874, now seen corresponding path program 1 times [2024-11-10 23:16:15,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:15,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618256809] [2024-11-10 23:16:15,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:15,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:15,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:15,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2100043753, now seen corresponding path program 1 times [2024-11-10 23:16:15,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:15,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91030779] [2024-11-10 23:16:15,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:15,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:15,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:16,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:16,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:16:16 BoogieIcfgContainer [2024-11-10 23:16:16,820 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:16:16,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:16:16,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:16:16,822 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:16:16,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:14" (3/4) ... [2024-11-10 23:16:16,824 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:16:16,898 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:16:16,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:16:16,899 INFO L158 Benchmark]: Toolchain (without parser) took 3781.46ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 86.7MB in the end (delta: 21.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:16,899 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:16,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.75ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 86.9MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:16,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.95ms. Allocated memory is still 176.2MB. Free memory was 86.9MB in the beginning and 84.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:16,901 INFO L158 Benchmark]: Boogie Preprocessor took 48.53ms. Allocated memory is still 176.2MB. Free memory was 84.2MB in the beginning and 81.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:16,902 INFO L158 Benchmark]: IcfgBuilder took 621.05ms. Allocated memory is still 176.2MB. Free memory was 81.9MB in the beginning and 129.3MB in the end (delta: -47.4MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-10 23:16:16,902 INFO L158 Benchmark]: BuchiAutomizer took 2459.50ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 89.9MB in the end (delta: 39.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-11-10 23:16:16,902 INFO L158 Benchmark]: Witness Printer took 78.08ms. Allocated memory is still 176.2MB. Free memory was 89.9MB in the beginning and 86.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:16,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.75ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 86.9MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.95ms. Allocated memory is still 176.2MB. Free memory was 86.9MB in the beginning and 84.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.53ms. Allocated memory is still 176.2MB. Free memory was 84.2MB in the beginning and 81.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 621.05ms. Allocated memory is still 176.2MB. Free memory was 81.9MB in the beginning and 129.3MB in the end (delta: -47.4MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2459.50ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 89.9MB in the end (delta: 39.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 78.08ms. Allocated memory is still 176.2MB. Free memory was 89.9MB in the beginning and 86.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 164]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [164] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] - GenericResultAtLocation [Line: 633]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] - GenericResultAtLocation [Line: 732]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [732] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [907] * 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 5 locations. The remainder module has 624 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 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, 1069 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 615 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 454 mSDtfsCounter, 131 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: 577]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int cleanupTimeShifts = 4; [L334] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int waterLevel = 1; [L640] int methaneLevelCritical = 0; [L736] int pumpRunning = 0; [L737] int systemActive = 1; [L908] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L142] int retValue_acc ; [L143] int tmp ; [L147] FCALL select_helpers() [L148] FCALL select_features() [L149] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L149] RET, EXPR valid_product() [L149] tmp = valid_product() [L151] COND TRUE \read(tmp) [L153] FCALL setup() [L154] CALL runTest() [L132] CALL __utac_acc__Specification5_spec__1() [L913] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L132] RET __utac_acc__Specification5_spec__1() [L133] CALL test() [L568] int splverifierCounter ; [L569] int tmp ; [L570] int tmp___0 ; [L571] int tmp___1 ; [L572] int tmp___2 ; [L575] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L577] COND TRUE 1 [L579] COND TRUE splverifierCounter < 4 [L585] tmp = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp)) [L595] tmp___0 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___0)) [L605] tmp___2 = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp___2) [L622] CALL timeShift() [L746] CALL __utac_acc__Specification5_spec__2() [L922] CALL, EXPR isPumpRunning() [L829] int retValue_acc ; [L832] retValue_acc = pumpRunning [L833] return (retValue_acc); [L922] RET, EXPR isPumpRunning() [L922] switchedOnBeforeTS = isPumpRunning() [L746] RET __utac_acc__Specification5_spec__2() [L748] COND FALSE !(\read(pumpRunning)) [L755] COND TRUE \read(systemActive) [L757] CALL processEnvironment() [L777] int tmp ; [L780] COND TRUE ! pumpRunning [L782] CALL, EXPR isHighWaterLevel() [L874] int retValue_acc ; [L875] int tmp ; [L876] int tmp___0 ; [L880] CALL, EXPR isHighWaterSensorDry() [L719] int retValue_acc ; [L722] COND TRUE waterLevel < 2 [L723] retValue_acc = 1 [L724] return (retValue_acc); [L880] RET, EXPR isHighWaterSensorDry() [L880] tmp = isHighWaterSensorDry() [L882] COND TRUE \read(tmp) [L883] tmp___0 = 0 [L887] retValue_acc = tmp___0 [L888] return (retValue_acc); [L782] RET, EXPR isHighWaterLevel() [L782] tmp = isHighWaterLevel() [L784] COND FALSE !(\read(tmp)) [L790] FCALL processEnvironment__wrappee__base() [L757] RET processEnvironment() [L763] CALL __utac_acc__Specification5_spec__3() [L928] int tmp ; [L929] int tmp___0 ; [L933] CALL, EXPR getWaterLevel() [L710] int retValue_acc ; [L713] retValue_acc = waterLevel [L714] return (retValue_acc); [L933] RET, EXPR getWaterLevel() [L933] tmp = getWaterLevel() [L935] COND TRUE tmp != 2 [L937] CALL, EXPR isPumpRunning() [L829] int retValue_acc ; [L832] retValue_acc = pumpRunning [L833] return (retValue_acc); [L937] RET, EXPR isPumpRunning() [L937] tmp___0 = isPumpRunning() [L939] COND FALSE !(\read(tmp___0)) [L763] RET __utac_acc__Specification5_spec__3() [L622] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 577]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int cleanupTimeShifts = 4; [L334] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int waterLevel = 1; [L640] int methaneLevelCritical = 0; [L736] int pumpRunning = 0; [L737] int systemActive = 1; [L908] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L142] int retValue_acc ; [L143] int tmp ; [L147] FCALL select_helpers() [L148] FCALL select_features() [L149] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L149] RET, EXPR valid_product() [L149] tmp = valid_product() [L151] COND TRUE \read(tmp) [L153] FCALL setup() [L154] CALL runTest() [L132] CALL __utac_acc__Specification5_spec__1() [L913] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L132] RET __utac_acc__Specification5_spec__1() [L133] CALL test() [L568] int splverifierCounter ; [L569] int tmp ; [L570] int tmp___0 ; [L571] int tmp___1 ; [L572] int tmp___2 ; [L575] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L577] COND TRUE 1 [L579] COND TRUE splverifierCounter < 4 [L585] tmp = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp)) [L595] tmp___0 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___0)) [L605] tmp___2 = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp___2) [L622] CALL timeShift() [L746] CALL __utac_acc__Specification5_spec__2() [L922] CALL, EXPR isPumpRunning() [L829] int retValue_acc ; [L832] retValue_acc = pumpRunning [L833] return (retValue_acc); [L922] RET, EXPR isPumpRunning() [L922] switchedOnBeforeTS = isPumpRunning() [L746] RET __utac_acc__Specification5_spec__2() [L748] COND FALSE !(\read(pumpRunning)) [L755] COND TRUE \read(systemActive) [L757] CALL processEnvironment() [L777] int tmp ; [L780] COND TRUE ! pumpRunning [L782] CALL, EXPR isHighWaterLevel() [L874] int retValue_acc ; [L875] int tmp ; [L876] int tmp___0 ; [L880] CALL, EXPR isHighWaterSensorDry() [L719] int retValue_acc ; [L722] COND TRUE waterLevel < 2 [L723] retValue_acc = 1 [L724] return (retValue_acc); [L880] RET, EXPR isHighWaterSensorDry() [L880] tmp = isHighWaterSensorDry() [L882] COND TRUE \read(tmp) [L883] tmp___0 = 0 [L887] retValue_acc = tmp___0 [L888] return (retValue_acc); [L782] RET, EXPR isHighWaterLevel() [L782] tmp = isHighWaterLevel() [L784] COND FALSE !(\read(tmp)) [L790] FCALL processEnvironment__wrappee__base() [L757] RET processEnvironment() [L763] CALL __utac_acc__Specification5_spec__3() [L928] int tmp ; [L929] int tmp___0 ; [L933] CALL, EXPR getWaterLevel() [L710] int retValue_acc ; [L713] retValue_acc = waterLevel [L714] return (retValue_acc); [L933] RET, EXPR getWaterLevel() [L933] tmp = getWaterLevel() [L935] COND TRUE tmp != 2 [L937] CALL, EXPR isPumpRunning() [L829] int retValue_acc ; [L832] retValue_acc = pumpRunning [L833] return (retValue_acc); [L937] RET, EXPR isPumpRunning() [L937] tmp___0 = isPumpRunning() [L939] COND FALSE !(\read(tmp___0)) [L763] RET __utac_acc__Specification5_spec__3() [L622] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:16:16,933 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)