./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product41.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 12f35b53fa21b1b526c5ccefe7a49d52db3501fafceaddf16f789eadd54f272a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:47:57,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:47:57,785 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:47:57,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:47:57,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:47:57,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:47:57,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:47:57,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:47:57,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:47:57,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:47:57,815 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:47:57,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:47:57,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:47:57,816 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:47:57,818 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:47:57,818 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:47:57,818 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:47:57,818 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:47:57,819 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:47:57,819 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:47:57,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:47:57,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:47:57,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:47:57,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:47:57,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:47:57,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:47:57,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:47:57,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:47:57,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:47:57,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:47:57,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:47:57,823 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:47:57,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:47:57,824 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:47:57,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:47:57,824 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:47:57,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:47:57,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:47:57,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:47:57,825 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:47:57,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12f35b53fa21b1b526c5ccefe7a49d52db3501fafceaddf16f789eadd54f272a [2024-11-17 08:47:58,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:47:58,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:47:58,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:47:58,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:47:58,059 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:47:58,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product41.cil.c [2024-11-17 08:47:59,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:47:59,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:47:59,474 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product41.cil.c [2024-11-17 08:47:59,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f8a6d09/4c2a3aafaf004365bd1b1972073494b9/FLAG0770a1f75 [2024-11-17 08:47:59,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f8a6d09/4c2a3aafaf004365bd1b1972073494b9 [2024-11-17 08:47:59,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:47:59,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:47:59,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:59,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:47:59,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:47:59,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:59" (1/1) ... [2024-11-17 08:47:59,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495fe756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:59, skipping insertion in model container [2024-11-17 08:47:59,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:59" (1/1) ... [2024-11-17 08:47:59,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:00,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:00,152 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:00,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-17 08:48:00,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [150] [2024-11-17 08:48:00,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [178] [2024-11-17 08:48:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [216] [2024-11-17 08:48:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [225] [2024-11-17 08:48:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [591] [2024-11-17 08:48:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [658] [2024-11-17 08:48:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [831] [2024-11-17 08:48:00,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:00,229 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:00,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00 WrapperNode [2024-11-17 08:48:00,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:00,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:00,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:00,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:00,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,270 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 59, statements flattened = 400 [2024-11-17 08:48:00,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:00,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:00,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:00,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:00,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,293 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]. [2024-11-17 08:48:00,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:00,304 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:00,304 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:00,304 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:00,305 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (1/1) ... [2024-11-17 08:48:00,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:00,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:00,347 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) [2024-11-17 08:48:00,349 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 [2024-11-17 08:48:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:00,466 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:00,467 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:00,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L101-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-17 08:48:00,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-17 08:48:00,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-17 08:48:00,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-17 08:48:00,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-17 08:48:00,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-17 08:48:00,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-17 08:48:00,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L773-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-17 08:48:00,725 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L773-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-17 08:48:00,725 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L773-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-17 08:48:00,725 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L213-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2024-11-17 08:48:00,725 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L147-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-17 08:48:00,725 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L147-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-17 08:48:00,725 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L147-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-17 08:48:00,725 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L924-1: main_#res#1 := main_~retValue_acc~11#1; [2024-11-17 08:48:00,725 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L133-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:00,725 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L133-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:00,726 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L133-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:00,726 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L101-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-17 08:48:00,726 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L101-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-17 08:48:00,744 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:00,744 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:00,757 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:00,757 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:00,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:00 BoogieIcfgContainer [2024-11-17 08:48:00,757 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:00,758 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:00,758 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:00,760 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:00,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:00,761 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:47:59" (1/3) ... [2024-11-17 08:48:00,762 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23409c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:00, skipping insertion in model container [2024-11-17 08:48:00,762 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:00,762 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:00" (2/3) ... [2024-11-17 08:48:00,762 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23409c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:00, skipping insertion in model container [2024-11-17 08:48:00,762 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:00,762 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:00" (3/3) ... [2024-11-17 08:48:00,763 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2024-11-17 08:48:00,799 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:00,800 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:00,800 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:00,800 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:00,800 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:00,800 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:00,800 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:00,800 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:00,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 122 states, 121 states have (on average 1.3553719008264462) internal successors, (164), 121 states have internal predecessors, (164), 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) [2024-11-17 08:48:00,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2024-11-17 08:48:00,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:00,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:00,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:00,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:00,827 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:00,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 122 states, 121 states have (on average 1.3553719008264462) internal successors, (164), 121 states have internal predecessors, (164), 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) [2024-11-17 08:48:00,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2024-11-17 08:48:00,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:00,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:00,832 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:00,832 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:00,836 INFO L745 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 28#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 97#L204true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71#L197true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 67#L212true assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 76#L914true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 62#L891true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 37#L604true [2024-11-17 08:48:00,837 INFO L747 eck$LassoCheckResult]: Loop: 37#L604true assume true; 18#L604-1true assume !false; 8#test_while_3_continue#1true assume true; 20#L606true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 33#L614true assume !(0 != test_~tmp~4#1); 87#L622true havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 35#L624true assume !(0 != test_~tmp___0~1#1); 26#L632true havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 85#L634true assume 0 != test_~tmp___2~0#1; 113#L647true assume { :begin_inline_timeShift } true; 39#L669-2true assume !(0 != ~pumpRunning~0); 110#L676-2true assume !(0 != ~systemActive~0); 73#L684-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 78#L132-2true assume true;__utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1; 9#L161-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 69#L175-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 81#L686-2true assume true;assume { :end_inline_timeShift } true; 37#L604true [2024-11-17 08:48:00,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:00,841 INFO L85 PathProgramCache]: Analyzing trace with hash 843295233, now seen corresponding path program 1 times [2024-11-17 08:48:00,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:00,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458075892] [2024-11-17 08:48:00,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:00,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:00,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:00,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:00,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:00,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1665362949, now seen corresponding path program 1 times [2024-11-17 08:48:00,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:00,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437491948] [2024-11-17 08:48:00,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:00,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:00,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:00,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:00,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:00,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2139685381, now seen corresponding path program 1 times [2024-11-17 08:48:00,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:00,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918007203] [2024-11-17 08:48:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:00,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:01,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:01,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918007203] [2024-11-17 08:48:01,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918007203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:01,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:01,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:48:01,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070990183] [2024-11-17 08:48:01,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:01,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:01,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:48:01,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:48:01,279 INFO L87 Difference]: Start difference. First operand has 122 states, 121 states have (on average 1.3553719008264462) internal successors, (164), 121 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-17 08:48:01,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:01,340 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2024-11-17 08:48:01,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 147 transitions. [2024-11-17 08:48:01,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-17 08:48:01,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 105 states and 136 transitions. [2024-11-17 08:48:01,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 105 [2024-11-17 08:48:01,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 105 [2024-11-17 08:48:01,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 136 transitions. [2024-11-17 08:48:01,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:01,349 INFO L218 hiAutomatonCegarLoop]: Abstraction has 105 states and 136 transitions. [2024-11-17 08:48:01,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 136 transitions. [2024-11-17 08:48:01,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-17 08:48:01,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 104 states have internal predecessors, (136), 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) [2024-11-17 08:48:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 136 transitions. [2024-11-17 08:48:01,376 INFO L240 hiAutomatonCegarLoop]: Abstraction has 105 states and 136 transitions. [2024-11-17 08:48:01,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:01,382 INFO L425 stractBuchiCegarLoop]: Abstraction has 105 states and 136 transitions. [2024-11-17 08:48:01,382 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:01,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 136 transitions. [2024-11-17 08:48:01,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-17 08:48:01,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:01,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:01,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:01,384 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] [2024-11-17 08:48:01,384 INFO L745 eck$LassoCheckResult]: Stem: 360#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 298#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 299#L204 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 344#L197 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 340#L212 assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 341#L914 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 338#L891 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 312#L604 [2024-11-17 08:48:01,384 INFO L747 eck$LassoCheckResult]: Loop: 312#L604 assume true; 279#L604-1 assume !false; 266#test_while_3_continue#1 assume true; 267#L606 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 283#L614 assume !(0 != test_~tmp~4#1); 274#L622 havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 309#L624 assume !(0 != test_~tmp___0~1#1); 294#L632 havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 295#L634 assume 0 != test_~tmp___2~0#1; 301#L647 assume { :begin_inline_timeShift } true; 314#L669-2 assume !(0 != ~pumpRunning~0); 315#L676-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 291#L701-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 293#L693-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 289#L719-2 assume true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 290#L684-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 345#L132-2 assume true;__utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1; 268#L161-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 270#L175-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 343#L686-2 assume true;assume { :end_inline_timeShift } true; 312#L604 [2024-11-17 08:48:01,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:01,384 INFO L85 PathProgramCache]: Analyzing trace with hash 843295233, now seen corresponding path program 2 times [2024-11-17 08:48:01,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:01,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148746297] [2024-11-17 08:48:01,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:01,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:01,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:01,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:01,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:01,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1990365086, now seen corresponding path program 1 times [2024-11-17 08:48:01,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:01,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226054867] [2024-11-17 08:48:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:01,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:01,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226054867] [2024-11-17 08:48:01,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226054867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:01,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:01,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:48:01,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979117994] [2024-11-17 08:48:01,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:01,439 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:48:01,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:01,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:01,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:01,440 INFO L87 Difference]: Start difference. First operand 105 states and 136 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-17 08:48:01,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:01,486 INFO L93 Difference]: Finished difference Result 161 states and 202 transitions. [2024-11-17 08:48:01,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 202 transitions. [2024-11-17 08:48:01,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-17 08:48:01,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 161 states and 202 transitions. [2024-11-17 08:48:01,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 161 [2024-11-17 08:48:01,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 161 [2024-11-17 08:48:01,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 202 transitions. [2024-11-17 08:48:01,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:01,492 INFO L218 hiAutomatonCegarLoop]: Abstraction has 161 states and 202 transitions. [2024-11-17 08:48:01,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 202 transitions. [2024-11-17 08:48:01,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-17 08:48:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 161 states have (on average 1.2546583850931676) internal successors, (202), 160 states have internal predecessors, (202), 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) [2024-11-17 08:48:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 202 transitions. [2024-11-17 08:48:01,501 INFO L240 hiAutomatonCegarLoop]: Abstraction has 161 states and 202 transitions. [2024-11-17 08:48:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:01,504 INFO L425 stractBuchiCegarLoop]: Abstraction has 161 states and 202 transitions. [2024-11-17 08:48:01,504 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:01,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 202 transitions. [2024-11-17 08:48:01,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-17 08:48:01,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:01,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:01,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:01,506 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] [2024-11-17 08:48:01,506 INFO L745 eck$LassoCheckResult]: Stem: 637#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 568#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 569#L204 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 618#L197 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 613#L212 assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 614#L914 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 610#L891 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 582#L604 [2024-11-17 08:48:01,506 INFO L747 eck$LassoCheckResult]: Loop: 582#L604 assume true; 551#L604-1 assume !false; 538#test_while_3_continue#1 assume true; 539#L606 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 555#L614 assume !(0 != test_~tmp~4#1); 546#L622 havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 579#L624 assume !(0 != test_~tmp___0~1#1); 564#L632 havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 565#L634 assume 0 != test_~tmp___2~0#1; 571#L647 assume { :begin_inline_timeShift } true; 583#L669-2 assume !(0 != ~pumpRunning~0); 584#L676-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 562#L701-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 563#L140-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 591#L145-2 assume true;isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1; 592#L821-2 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 604#L826-2 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 605#L827-2 assume true;processEnvironment_#t~ret39#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret39#1;havoc processEnvironment_#t~ret39#1; 634#L705-2 assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 626#L693-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 560#L719-2 assume true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 561#L684-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 619#L132-2 assume true;__utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1; 540#L161-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 542#L175-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 616#L686-2 assume true;assume { :end_inline_timeShift } true; 582#L604 [2024-11-17 08:48:01,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:01,507 INFO L85 PathProgramCache]: Analyzing trace with hash 843295233, now seen corresponding path program 3 times [2024-11-17 08:48:01,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:01,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550406292] [2024-11-17 08:48:01,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:01,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:01,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:01,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:01,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:01,532 INFO L85 PathProgramCache]: Analyzing trace with hash 329902201, now seen corresponding path program 1 times [2024-11-17 08:48:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:01,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141375404] [2024-11-17 08:48:01,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:01,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:01,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:01,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:01,545 INFO L85 PathProgramCache]: Analyzing trace with hash -45280647, now seen corresponding path program 1 times [2024-11-17 08:48:01,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:01,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672442071] [2024-11-17 08:48:01,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:01,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:01,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:01,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:02,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:02,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:02 BoogieIcfgContainer [2024-11-17 08:48:02,254 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:02,255 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:02,255 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:02,255 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:02,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:00" (3/4) ... [2024-11-17 08:48:02,257 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:02,303 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:02,303 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:02,304 INFO L158 Benchmark]: Toolchain (without parser) took 2458.49ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 85.3MB in the beginning and 109.5MB in the end (delta: -24.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-17 08:48:02,304 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 100.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:02,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.10ms. Allocated memory is still 159.4MB. Free memory was 85.1MB in the beginning and 64.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:02,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.13ms. Allocated memory is still 159.4MB. Free memory was 64.1MB in the beginning and 61.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:02,305 INFO L158 Benchmark]: Boogie Preprocessor took 31.96ms. Allocated memory is still 159.4MB. Free memory was 61.3MB in the beginning and 58.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:02,305 INFO L158 Benchmark]: IcfgBuilder took 453.30ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 58.8MB in the beginning and 148.0MB in the end (delta: -89.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-17 08:48:02,305 INFO L158 Benchmark]: BuchiAutomizer took 1496.44ms. Allocated memory is still 199.2MB. Free memory was 148.0MB in the beginning and 112.6MB in the end (delta: 35.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-11-17 08:48:02,306 INFO L158 Benchmark]: Witness Printer took 48.45ms. Allocated memory is still 199.2MB. Free memory was 112.6MB in the beginning and 109.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:02,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 100.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.10ms. Allocated memory is still 159.4MB. Free memory was 85.1MB in the beginning and 64.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.13ms. Allocated memory is still 159.4MB. Free memory was 64.1MB in the beginning and 61.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.96ms. Allocated memory is still 159.4MB. Free memory was 61.3MB in the beginning and 58.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 453.30ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 58.8MB in the beginning and 148.0MB in the end (delta: -89.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1496.44ms. Allocated memory is still 199.2MB. Free memory was 148.0MB in the beginning and 112.6MB in the end (delta: 35.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Witness Printer took 48.45ms. Allocated memory is still 199.2MB. Free memory was 112.6MB in the beginning and 109.5MB in the end (delta: 3.2MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [150] - GenericResultAtLocation [Line: 178]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [178] - GenericResultAtLocation [Line: 216]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [216] - GenericResultAtLocation [Line: 225]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [225] - GenericResultAtLocation [Line: 591]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [591] - GenericResultAtLocation [Line: 658]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [658] - GenericResultAtLocation [Line: 831]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [831] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 161 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 620 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 351 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 269 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 604]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L395] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; [L832] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L905] int retValue_acc ; [L906] int tmp ; [L910] FCALL select_helpers() [L911] FCALL select_features() [L912] CALL, EXPR valid_product() [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] RET, EXPR valid_product() [L912] tmp = valid_product() [L914] COND TRUE \read(tmp) [L916] FCALL setup() [L917] CALL runTest() [L899] CALL test() [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L604] COND TRUE 1 [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND TRUE \read(tmp___2) [L647] CALL timeShift() [L669] COND FALSE !(\read(pumpRunning)) [L676] COND TRUE \read(systemActive) [L678] CALL processEnvironment() [L698] int tmp ; [L701] COND TRUE ! pumpRunning [L703] CALL, EXPR isHighWaterLevel() [L813] int retValue_acc ; [L814] int tmp ; [L815] int tmp___0 ; [L819] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L819] RET, EXPR isHighWaterSensorDry() [L819] tmp = isHighWaterSensorDry() [L821] COND TRUE \read(tmp) [L822] tmp___0 = 0 [L826] retValue_acc = tmp___0 [L827] return (retValue_acc); [L703] RET, EXPR isHighWaterLevel() [L703] tmp = isHighWaterLevel() [L705] COND FALSE !(\read(tmp)) [L711] FCALL processEnvironment__wrappee__base() [L678] RET processEnvironment() [L684] CALL __utac_acc__Specification4_spec__1() [L154] int tmp ; [L155] int tmp___0 ; [L159] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L159] RET, EXPR getWaterLevel() [L159] tmp = getWaterLevel() [L161] COND FALSE !(tmp == 0) [L684] RET __utac_acc__Specification4_spec__1() [L647] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 604]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L395] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; [L832] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L905] int retValue_acc ; [L906] int tmp ; [L910] FCALL select_helpers() [L911] FCALL select_features() [L912] CALL, EXPR valid_product() [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] RET, EXPR valid_product() [L912] tmp = valid_product() [L914] COND TRUE \read(tmp) [L916] FCALL setup() [L917] CALL runTest() [L899] CALL test() [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L604] COND TRUE 1 [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND TRUE \read(tmp___2) [L647] CALL timeShift() [L669] COND FALSE !(\read(pumpRunning)) [L676] COND TRUE \read(systemActive) [L678] CALL processEnvironment() [L698] int tmp ; [L701] COND TRUE ! pumpRunning [L703] CALL, EXPR isHighWaterLevel() [L813] int retValue_acc ; [L814] int tmp ; [L815] int tmp___0 ; [L819] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L819] RET, EXPR isHighWaterSensorDry() [L819] tmp = isHighWaterSensorDry() [L821] COND TRUE \read(tmp) [L822] tmp___0 = 0 [L826] retValue_acc = tmp___0 [L827] return (retValue_acc); [L703] RET, EXPR isHighWaterLevel() [L703] tmp = isHighWaterLevel() [L705] COND FALSE !(\read(tmp)) [L711] FCALL processEnvironment__wrappee__base() [L678] RET processEnvironment() [L684] CALL __utac_acc__Specification4_spec__1() [L154] int tmp ; [L155] int tmp___0 ; [L159] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L159] RET, EXPR getWaterLevel() [L159] tmp = getWaterLevel() [L161] COND FALSE !(tmp == 0) [L684] RET __utac_acc__Specification4_spec__1() [L647] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:02,330 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)