./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product36.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_spec1_product36.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 dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:17,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:17,181 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:17,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:17,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:17,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:17,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:17,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:17,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:17,224 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:17,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:17,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:17,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:17,228 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:17,228 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:17,229 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:17,229 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:17,229 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:17,229 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:17,230 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:17,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:17,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:17,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:17,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:17,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:17,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:17,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:17,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:17,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:17,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:17,236 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:17,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:17,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:17,237 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:17,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:17,238 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:17,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:17,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:17,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:17,239 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:17,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a [2024-11-10 23:13:17,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:17,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:17,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:17,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:17,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:17,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2024-11-10 23:13:18,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:19,186 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:19,187 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2024-11-10 23:13:19,199 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc0b43c1/7355fd9f059b46ab8b6d1fe69d7181a4/FLAG6910ef30a [2024-11-10 23:13:19,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc0b43c1/7355fd9f059b46ab8b6d1fe69d7181a4 [2024-11-10 23:13:19,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:19,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:19,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:19,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:19,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:19,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:19" (1/1) ... [2024-11-10 23:13:19,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c548fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:19, skipping insertion in model container [2024-11-10 23:13:19,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:19" (1/1) ... [2024-11-10 23:13:19,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:19,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:19,934 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:19,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-10 23:13:19,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2024-11-10 23:13:19,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [245] [2024-11-10 23:13:19,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [342] [2024-11-10 23:13:19,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [412] [2024-11-10 23:13:19,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [450] [2024-11-10 23:13:19,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [816] [2024-11-10 23:13:19,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [842] [2024-11-10 23:13:20,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:20,029 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:20,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20 WrapperNode [2024-11-10 23:13:20,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:20,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:20,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:20,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:20,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,079 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 347 [2024-11-10 23:13:20,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:20,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:20,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:20,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:20,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,107 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 23:13:20,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,116 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:20,124 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:20,124 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:20,124 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:20,125 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (1/1) ... [2024-11-10 23:13:20,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:20,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:20,173 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 23:13:20,176 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 23:13:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:20,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:20,306 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:20,310 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:20,717 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L219-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-10 23:13:20,717 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L219-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-10 23:13:20,717 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L219-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-10 23:13:20,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L339-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:20,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L339-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:20,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L339-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:20,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-1: main_#res#1 := main_~retValue_acc~11#1; [2024-11-10 23:13:20,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L293-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:20,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L293-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:20,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L293-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:20,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L164-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:13:20,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L164-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:13:20,719 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L164-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:13:20,719 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L447-1: valid_product_#res#1 := valid_product_~retValue_acc~7#1; [2024-11-10 23:13:20,743 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:20,743 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:20,761 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:20,762 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:20,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:20 BoogieIcfgContainer [2024-11-10 23:13:20,763 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:20,764 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:20,764 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:20,768 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:20,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:20,769 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:19" (1/3) ... [2024-11-10 23:13:20,770 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a4b86e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:20, skipping insertion in model container [2024-11-10 23:13:20,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:20,770 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:20" (2/3) ... [2024-11-10 23:13:20,770 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a4b86e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:20, skipping insertion in model container [2024-11-10 23:13:20,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:20,771 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:20" (3/3) ... [2024-11-10 23:13:20,772 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2024-11-10 23:13:20,824 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:20,825 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:20,825 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:20,825 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:20,825 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:20,825 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:20,825 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:20,826 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:20,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 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 23:13:20,849 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-10 23:13:20,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:20,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:20,855 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:20,855 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:20,855 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:20,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 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 23:13:20,861 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-10 23:13:20,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:20,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:20,863 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:20,863 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:20,868 INFO L745 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 20#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 81#L438true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 104#L431true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 91#L446true assume true;main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 68#L925true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 84#L902true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 52#L354true [2024-11-10 23:13:20,869 INFO L747 eck$LassoCheckResult]: Loop: 52#L354true assume true; 38#L354-1true assume !false;assume true; 75#L356true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 107#L364true assume !(0 != test_~tmp~2#1); 28#L372true havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 114#L374true assume !(0 != test_~tmp___0~1#1); 95#L382true havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 112#L384true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet23#1;test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 44#L392true assume !(0 != test_~tmp___1~0#1); 5#L401true assume { :begin_inline_timeShift } true; 41#L78-2true assume !(0 != ~pumpRunning~0); 3#L85-2true assume !(0 != ~systemActive~0); 85#L93-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 40#L292-2true assume true;__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 105#L825-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 57#L839-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 89#L95-2true assume true;assume { :end_inline_timeShift } true; 52#L354true [2024-11-10 23:13:20,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:20,874 INFO L85 PathProgramCache]: Analyzing trace with hash -609046712, now seen corresponding path program 1 times [2024-11-10 23:13:20,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:20,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570058936] [2024-11-10 23:13:20,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:20,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:21,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:21,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:21,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1467511536, now seen corresponding path program 1 times [2024-11-10 23:13:21,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:21,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028915702] [2024-11-10 23:13:21,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:21,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:21,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:21,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:21,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:21,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1410292361, now seen corresponding path program 1 times [2024-11-10 23:13:21,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:21,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841520571] [2024-11-10 23:13:21,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:21,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:21,348 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 23:13:21,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:21,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841520571] [2024-11-10 23:13:21,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841520571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:21,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:21,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:21,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929270903] [2024-11-10 23:13:21,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:21,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:21,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:13:21,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:13:21,499 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 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) [2024-11-10 23:13:21,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:21,646 INFO L93 Difference]: Finished difference Result 270 states and 348 transitions. [2024-11-10 23:13:21,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 270 states and 348 transitions. [2024-11-10 23:13:21,655 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 172 [2024-11-10 23:13:21,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 270 states to 237 states and 315 transitions. [2024-11-10 23:13:21,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 237 [2024-11-10 23:13:21,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 237 [2024-11-10 23:13:21,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 237 states and 315 transitions. [2024-11-10 23:13:21,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:21,668 INFO L218 hiAutomatonCegarLoop]: Abstraction has 237 states and 315 transitions. [2024-11-10 23:13:21,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states and 315 transitions. [2024-11-10 23:13:21,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 147. [2024-11-10 23:13:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 146 states have internal predecessors, (195), 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 23:13:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 195 transitions. [2024-11-10 23:13:21,707 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 195 transitions. [2024-11-10 23:13:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:13:21,712 INFO L425 stractBuchiCegarLoop]: Abstraction has 147 states and 195 transitions. [2024-11-10 23:13:21,712 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:21,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 195 transitions. [2024-11-10 23:13:21,715 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2024-11-10 23:13:21,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:21,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:21,715 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:21,716 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] [2024-11-10 23:13:21,716 INFO L745 eck$LassoCheckResult]: Stem: 490#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 462#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 459#L438 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 460#L431 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 477#L446 assume true;main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 420#L925 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 421#L902 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 463#L354 [2024-11-10 23:13:21,716 INFO L747 eck$LassoCheckResult]: Loop: 463#L354 assume true; 482#L354-1 assume !false;assume true; 443#L356 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 445#L364 assume !(0 != test_~tmp~2#1); 474#L372 havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 475#L374 assume !(0 != test_~tmp___0~1#1); 488#L382 havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 489#L384 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 497#L242 assume true;assume { :end_inline_startSystem } true; 412#L401 assume { :begin_inline_timeShift } true; 413#L78-2 assume !(0 != ~pumpRunning~0); 404#L85-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 405#L110-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 481#L102-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 471#L128-2 assume true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 467#L93-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 468#L292-2 assume true;__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 483#L825-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 466#L839-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 473#L95-2 assume true;assume { :end_inline_timeShift } true; 463#L354 [2024-11-10 23:13:21,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:21,717 INFO L85 PathProgramCache]: Analyzing trace with hash -609046712, now seen corresponding path program 2 times [2024-11-10 23:13:21,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:21,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775216326] [2024-11-10 23:13:21,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:21,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:21,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:21,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:21,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:21,753 INFO L85 PathProgramCache]: Analyzing trace with hash 823387841, now seen corresponding path program 1 times [2024-11-10 23:13:21,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:21,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062964877] [2024-11-10 23:13:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:21,798 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 23:13:21,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:21,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062964877] [2024-11-10 23:13:21,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062964877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:21,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:21,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:13:21,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987310328] [2024-11-10 23:13:21,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:21,800 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:21,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:21,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:21,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:21,801 INFO L87 Difference]: Start difference. First operand 147 states and 195 transitions. cyclomatic complexity: 51 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) [2024-11-10 23:13:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:21,863 INFO L93 Difference]: Finished difference Result 194 states and 246 transitions. [2024-11-10 23:13:21,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 246 transitions. [2024-11-10 23:13:21,866 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 142 [2024-11-10 23:13:21,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 194 states and 246 transitions. [2024-11-10 23:13:21,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 194 [2024-11-10 23:13:21,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 194 [2024-11-10 23:13:21,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 194 states and 246 transitions. [2024-11-10 23:13:21,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:21,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 194 states and 246 transitions. [2024-11-10 23:13:21,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states and 246 transitions. [2024-11-10 23:13:21,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-10 23:13:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 194 states have (on average 1.268041237113402) internal successors, (246), 193 states have internal predecessors, (246), 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 23:13:21,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 246 transitions. [2024-11-10 23:13:21,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 194 states and 246 transitions. [2024-11-10 23:13:21,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:21,879 INFO L425 stractBuchiCegarLoop]: Abstraction has 194 states and 246 transitions. [2024-11-10 23:13:21,879 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:13:21,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 246 transitions. [2024-11-10 23:13:21,881 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 142 [2024-11-10 23:13:21,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:21,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:21,881 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:21,882 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] [2024-11-10 23:13:21,882 INFO L745 eck$LassoCheckResult]: Stem: 842#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 812#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 808#L438 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 809#L431 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 828#L446 assume true;main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 766#L925 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 767#L902 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 813#L354 [2024-11-10 23:13:21,882 INFO L747 eck$LassoCheckResult]: Loop: 813#L354 assume true; 833#L354-1 assume !false;assume true; 788#L356 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 790#L364 assume !(0 != test_~tmp~2#1); 824#L372 havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 825#L374 assume !(0 != test_~tmp___0~1#1); 840#L382 havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 841#L384 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet23#1;test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 838#L392 assume !(0 != test_~tmp___1~0#1); 758#L401 assume { :begin_inline_timeShift } true; 759#L78-2 assume !(0 != ~pumpRunning~0); 750#L85-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 751#L110-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 782#L332-2 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 783#L337-2 assume true;isHighWaterLevel_#t~ret14#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret14#1;havoc isHighWaterLevel_#t~ret14#1; 848#L212-2 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 853#L217-2 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 768#L218-2 assume true;processEnvironment_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret4#1;havoc processEnvironment_#t~ret4#1; 769#L114-2 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 830#L102-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 831#L128-2 assume true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 903#L93-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 902#L292-2 assume true;__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 899#L825-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 898#L839-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 823#L95-2 assume true;assume { :end_inline_timeShift } true; 813#L354 [2024-11-10 23:13:21,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:21,884 INFO L85 PathProgramCache]: Analyzing trace with hash -609046712, now seen corresponding path program 3 times [2024-11-10 23:13:21,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:21,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442333163] [2024-11-10 23:13:21,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:21,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:21,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:21,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:21,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:21,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1945668697, now seen corresponding path program 1 times [2024-11-10 23:13:21,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:21,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102448117] [2024-11-10 23:13:21,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:21,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:21,979 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 23:13:21,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:21,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102448117] [2024-11-10 23:13:21,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102448117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:21,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:21,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:13:21,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868840657] [2024-11-10 23:13:21,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:21,981 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:21,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:21,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 23:13:21,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 23:13:21,982 INFO L87 Difference]: Start difference. First operand 194 states and 246 transitions. cyclomatic complexity: 55 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:22,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:22,034 INFO L93 Difference]: Finished difference Result 200 states and 252 transitions. [2024-11-10 23:13:22,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 252 transitions. [2024-11-10 23:13:22,035 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 146 [2024-11-10 23:13:22,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 200 states and 252 transitions. [2024-11-10 23:13:22,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 200 [2024-11-10 23:13:22,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 200 [2024-11-10 23:13:22,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 252 transitions. [2024-11-10 23:13:22,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:22,039 INFO L218 hiAutomatonCegarLoop]: Abstraction has 200 states and 252 transitions. [2024-11-10 23:13:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 252 transitions. [2024-11-10 23:13:22,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-10 23:13:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 200 states have (on average 1.26) internal successors, (252), 199 states have internal predecessors, (252), 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 23:13:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 252 transitions. [2024-11-10 23:13:22,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 200 states and 252 transitions. [2024-11-10 23:13:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 23:13:22,051 INFO L425 stractBuchiCegarLoop]: Abstraction has 200 states and 252 transitions. [2024-11-10 23:13:22,051 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:13:22,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 200 states and 252 transitions. [2024-11-10 23:13:22,053 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 146 [2024-11-10 23:13:22,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:22,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:22,053 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:22,053 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] [2024-11-10 23:13:22,054 INFO L745 eck$LassoCheckResult]: Stem: 1249#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 1214#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 1211#L438 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1212#L431 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1234#L446 assume true;main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 1169#L925 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1170#L902 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1215#L354 [2024-11-10 23:13:22,054 INFO L747 eck$LassoCheckResult]: Loop: 1215#L354 assume true; 1333#L354-1 assume !false;assume true; 1332#L356 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1330#L364 assume !(0 != test_~tmp~2#1); 1328#L372 havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 1327#L374 assume !(0 != test_~tmp___0~1#1); 1325#L382 havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 1324#L384 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1265#L242 assume true;assume { :end_inline_startSystem } true; 1159#L401 assume { :begin_inline_timeShift } true; 1160#L78-2 assume !(0 != ~pumpRunning~0); 1151#L85-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 1152#L110-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 1183#L332-2 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 1184#L337-2 assume true;isHighWaterLevel_#t~ret14#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret14#1;havoc isHighWaterLevel_#t~ret14#1; 1257#L212-2 assume !(0 != isHighWaterLevel_~tmp~1#1);isHighWaterLevel_~tmp___0~0#1 := 1; 1263#L217-2 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1171#L218-2 assume true;processEnvironment_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret4#1;havoc processEnvironment_#t~ret4#1; 1172#L114-2 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1237#L102-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1238#L128-2 assume true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 1268#L93-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1339#L292-2 assume true;__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 1336#L825-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 1335#L839-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1334#L95-2 assume true;assume { :end_inline_timeShift } true; 1215#L354 [2024-11-10 23:13:22,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:22,055 INFO L85 PathProgramCache]: Analyzing trace with hash -609046712, now seen corresponding path program 4 times [2024-11-10 23:13:22,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:22,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940120556] [2024-11-10 23:13:22,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:22,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:22,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:22,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:22,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:22,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1913604549, now seen corresponding path program 1 times [2024-11-10 23:13:22,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:22,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137944438] [2024-11-10 23:13:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:22,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:22,139 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 23:13:22,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:22,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137944438] [2024-11-10 23:13:22,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137944438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:22,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:22,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:22,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405397779] [2024-11-10 23:13:22,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:22,140 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:22,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:22,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:13:22,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:13:22,141 INFO L87 Difference]: Start difference. First operand 200 states and 252 transitions. cyclomatic complexity: 55 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:22,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:22,208 INFO L93 Difference]: Finished difference Result 209 states and 261 transitions. [2024-11-10 23:13:22,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 261 transitions. [2024-11-10 23:13:22,209 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2024-11-10 23:13:22,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 209 states and 261 transitions. [2024-11-10 23:13:22,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 209 [2024-11-10 23:13:22,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 209 [2024-11-10 23:13:22,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 261 transitions. [2024-11-10 23:13:22,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:22,216 INFO L218 hiAutomatonCegarLoop]: Abstraction has 209 states and 261 transitions. [2024-11-10 23:13:22,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 261 transitions. [2024-11-10 23:13:22,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-10 23:13:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 209 states have (on average 1.2488038277511961) internal successors, (261), 208 states have internal predecessors, (261), 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 23:13:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 261 transitions. [2024-11-10 23:13:22,227 INFO L240 hiAutomatonCegarLoop]: Abstraction has 209 states and 261 transitions. [2024-11-10 23:13:22,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:13:22,228 INFO L425 stractBuchiCegarLoop]: Abstraction has 209 states and 261 transitions. [2024-11-10 23:13:22,228 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-10 23:13:22,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 261 transitions. [2024-11-10 23:13:22,229 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2024-11-10 23:13:22,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:22,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:22,230 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:22,230 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] [2024-11-10 23:13:22,231 INFO L745 eck$LassoCheckResult]: Stem: 1662#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 1628#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 1626#L438 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1627#L431 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1645#L446 assume true;main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 1584#L925 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1585#L902 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1630#L354 [2024-11-10 23:13:22,231 INFO L747 eck$LassoCheckResult]: Loop: 1630#L354 assume true; 1651#L354-1 assume !false;assume true; 1607#L356 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1609#L364 assume !(0 != test_~tmp~2#1); 1641#L372 havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 1642#L374 assume !(0 != test_~tmp___0~1#1); 1769#L382 havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 1675#L384 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1674#L242 assume true;assume { :end_inline_startSystem } true; 1576#L401 assume { :begin_inline_timeShift } true; 1577#L78-2 assume !(0 != ~pumpRunning~0); 1568#L85-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 1569#L110-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 1600#L332-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 1602#L337-2 assume true;isHighWaterLevel_#t~ret14#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret14#1;havoc isHighWaterLevel_#t~ret14#1; 1733#L212-2 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1731#L217-2 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1730#L218-2 assume true;processEnvironment_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret4#1;havoc processEnvironment_#t~ret4#1; 1729#L114-2 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1648#L102-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1649#L128-2 assume true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 1634#L93-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1635#L292-2 assume true;__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 1652#L825-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 1633#L839-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1640#L95-2 assume true;assume { :end_inline_timeShift } true; 1630#L354 [2024-11-10 23:13:22,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:22,232 INFO L85 PathProgramCache]: Analyzing trace with hash -609046712, now seen corresponding path program 5 times [2024-11-10 23:13:22,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:22,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126120816] [2024-11-10 23:13:22,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:22,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:22,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:22,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:22,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:22,246 INFO L85 PathProgramCache]: Analyzing trace with hash 470152824, now seen corresponding path program 1 times [2024-11-10 23:13:22,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:22,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166209413] [2024-11-10 23:13:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:22,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:22,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:22,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:22,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:22,270 INFO L85 PathProgramCache]: Analyzing trace with hash 757566207, now seen corresponding path program 1 times [2024-11-10 23:13:22,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:22,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719533849] [2024-11-10 23:13:22,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:22,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:22,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:22,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:23,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:23,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:23 BoogieIcfgContainer [2024-11-10 23:13:23,335 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:23,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:23,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:23,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:23,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:20" (3/4) ... [2024-11-10 23:13:23,339 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:23,396 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:23,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:23,397 INFO L158 Benchmark]: Toolchain (without parser) took 3868.93ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 117.6MB in the beginning and 165.1MB in the end (delta: -47.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:23,397 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 131.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:23,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.17ms. Allocated memory is still 167.8MB. Free memory was 117.6MB in the beginning and 95.2MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:23,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.62ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 92.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:23,398 INFO L158 Benchmark]: Boogie Preprocessor took 42.18ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:23,398 INFO L158 Benchmark]: IcfgBuilder took 639.56ms. Allocated memory is still 167.8MB. Free memory was 90.4MB in the beginning and 67.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:23,398 INFO L158 Benchmark]: BuchiAutomizer took 2571.74ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 67.3MB in the beginning and 167.2MB in the end (delta: -99.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:23,398 INFO L158 Benchmark]: Witness Printer took 59.92ms. Allocated memory is still 205.5MB. Free memory was 167.2MB in the beginning and 165.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:23,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 131.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.17ms. Allocated memory is still 167.8MB. Free memory was 117.6MB in the beginning and 95.2MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.62ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 92.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.18ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 639.56ms. Allocated memory is still 167.8MB. Free memory was 90.4MB in the beginning and 67.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2571.74ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 67.3MB in the beginning and 167.2MB in the end (delta: -99.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.92ms. Allocated memory is still 205.5MB. Free memory was 167.2MB in the beginning and 165.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 245]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [245] - GenericResultAtLocation [Line: 342]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [342] - GenericResultAtLocation [Line: 412]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [412] - GenericResultAtLocation [Line: 450]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [450] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [816] - GenericResultAtLocation [Line: 842]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [842] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 209 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 90 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 342 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 342 mSDsluCounter, 1694 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1169 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 525 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 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: 354]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L249] int waterLevel = 1; [L250] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L843] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L442] int retValue_acc ; [L445] retValue_acc = 1 [L446] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L923] RET, EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L910] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND TRUE \read(tmp___2) [L386] CALL startSystem() [L241] systemActive = 1 [L386] RET startSystem() [L401] CALL timeShift() [L78] COND FALSE !(\read(pumpRunning)) [L85] COND TRUE \read(systemActive) [L87] CALL processEnvironment() [L107] int tmp ; [L110] COND TRUE ! pumpRunning [L112] CALL, EXPR isHighWaterLevel() [L204] int retValue_acc ; [L205] int tmp ; [L206] int tmp___0 ; [L210] CALL, EXPR isHighWaterSensorDry() [L329] int retValue_acc ; [L332] COND TRUE waterLevel < 2 [L333] retValue_acc = 1 [L334] return (retValue_acc); [L210] RET, EXPR isHighWaterSensorDry() [L210] tmp = isHighWaterSensorDry() [L212] COND TRUE \read(tmp) [L213] tmp___0 = 0 [L217] retValue_acc = tmp___0 [L218] return (retValue_acc); [L112] RET, EXPR isHighWaterLevel() [L112] tmp = isHighWaterLevel() [L114] COND FALSE !(\read(tmp)) [L120] FCALL processEnvironment__wrappee__base() [L87] RET processEnvironment() [L93] CALL __utac_acc__Specification1_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR isMethaneLevelCritical() [L288] int retValue_acc ; [L291] retValue_acc = methaneLevelCritical [L292] return (retValue_acc); [L823] RET, EXPR isMethaneLevelCritical() [L823] tmp = isMethaneLevelCritical() [L825] COND FALSE !(\read(tmp)) [L93] RET __utac_acc__Specification1_spec__1() [L401] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 354]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L249] int waterLevel = 1; [L250] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L843] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L442] int retValue_acc ; [L445] retValue_acc = 1 [L446] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L923] RET, EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L910] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND TRUE \read(tmp___2) [L386] CALL startSystem() [L241] systemActive = 1 [L386] RET startSystem() [L401] CALL timeShift() [L78] COND FALSE !(\read(pumpRunning)) [L85] COND TRUE \read(systemActive) [L87] CALL processEnvironment() [L107] int tmp ; [L110] COND TRUE ! pumpRunning [L112] CALL, EXPR isHighWaterLevel() [L204] int retValue_acc ; [L205] int tmp ; [L206] int tmp___0 ; [L210] CALL, EXPR isHighWaterSensorDry() [L329] int retValue_acc ; [L332] COND TRUE waterLevel < 2 [L333] retValue_acc = 1 [L334] return (retValue_acc); [L210] RET, EXPR isHighWaterSensorDry() [L210] tmp = isHighWaterSensorDry() [L212] COND TRUE \read(tmp) [L213] tmp___0 = 0 [L217] retValue_acc = tmp___0 [L218] return (retValue_acc); [L112] RET, EXPR isHighWaterLevel() [L112] tmp = isHighWaterLevel() [L114] COND FALSE !(\read(tmp)) [L120] FCALL processEnvironment__wrappee__base() [L87] RET processEnvironment() [L93] CALL __utac_acc__Specification1_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR isMethaneLevelCritical() [L288] int retValue_acc ; [L291] retValue_acc = methaneLevelCritical [L292] return (retValue_acc); [L823] RET, EXPR isMethaneLevelCritical() [L823] tmp = isMethaneLevelCritical() [L825] COND FALSE !(\read(tmp)) [L93] RET __utac_acc__Specification1_spec__1() [L401] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:23,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)