./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product42.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 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:47:17,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:47:17,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:47:17,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:47:17,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:47:17,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:47:17,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:47:17,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:47:17,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:47:17,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:47:17,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:47:17,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:47:17,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:47:17,305 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:47:17,305 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:47:17,305 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:47:17,306 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:47:17,306 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:47:17,306 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:47:17,306 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:47:17,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:47:17,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:47:17,308 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:47:17,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:47:17,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:47:17,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:47:17,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:47:17,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:47:17,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:47:17,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:47:17,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:47:17,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:47:17,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:47:17,311 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:47:17,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:47:17,312 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:47:17,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:47:17,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:47:17,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:47:17,313 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:47:17,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2024-11-17 08:47:17,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:47:17,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:47:17,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:47:17,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:47:17,595 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:47:17,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2024-11-17 08:47:18,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:47:19,204 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:47:19,205 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2024-11-17 08:47:19,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7367eeff/214dda62fbf941a9822503b1951e53c5/FLAGc9b35fee6 [2024-11-17 08:47:19,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7367eeff/214dda62fbf941a9822503b1951e53c5 [2024-11-17 08:47:19,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:47:19,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:47:19,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:19,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:47:19,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:47:19,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:19" (1/1) ... [2024-11-17 08:47:19,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418cdb5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:19, skipping insertion in model container [2024-11-17 08:47:19,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:19" (1/1) ... [2024-11-17 08:47:19,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:47:19,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:19,913 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:47:19,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-17 08:47:19,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [153] [2024-11-17 08:47:19,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [221] [2024-11-17 08:47:19,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [407] [2024-11-17 08:47:19,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [502] [2024-11-17 08:47:19,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] [2024-11-17 08:47:19,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [546] [2024-11-17 08:47:19,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912] [2024-11-17 08:47:20,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:20,039 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:47:20,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20 WrapperNode [2024-11-17 08:47:20,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:20,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:20,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:47:20,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:47:20,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,098 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 51, calls inlined = 63, statements flattened = 436 [2024-11-17 08:47:20,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:20,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:47:20,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:47:20,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:47:20,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,136 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:47:20,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:47:20,156 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:47:20,156 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:47:20,160 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:47:20,161 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (1/1) ... [2024-11-17 08:47:20,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:47:20,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:47:20,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:47:20,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:47:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:47:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:47:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:47:20,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:47:20,300 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:47:20,302 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:47:20,729 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:47:20,729 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:47:20,729 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:47:20,729 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L485-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2024-11-17 08:47:20,729 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L485-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2024-11-17 08:47:20,729 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L485-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L341-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L341-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L341-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2024-11-17 08:47:20,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L543-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-17 08:47:20,731 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L396-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-17 08:47:20,731 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L396-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-17 08:47:20,731 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L396-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-17 08:47:20,731 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-17 08:47:20,731 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L332-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-17 08:47:20,731 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L332-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-17 08:47:20,731 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L332-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-17 08:47:20,764 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-17 08:47:20,766 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:47:20,783 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:47:20,783 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:47:20,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:20 BoogieIcfgContainer [2024-11-17 08:47:20,784 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:47:20,785 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:47:20,785 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:47:20,788 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:47:20,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:20,789 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:47:19" (1/3) ... [2024-11-17 08:47:20,790 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@681f24e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:20, skipping insertion in model container [2024-11-17 08:47:20,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:20,790 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:20" (2/3) ... [2024-11-17 08:47:20,791 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@681f24e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:20, skipping insertion in model container [2024-11-17 08:47:20,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:20,791 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:20" (3/3) ... [2024-11-17 08:47:20,792 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2024-11-17 08:47:20,849 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:47:20,849 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:47:20,849 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:47:20,849 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:47:20,850 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:47:20,850 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:47:20,850 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:47:20,850 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:47:20,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 129 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:20,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2024-11-17 08:47:20,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:20,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:20,892 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:20,893 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:20,893 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:47:20,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 129 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:20,905 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2024-11-17 08:47:20,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:20,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:20,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:20,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:20,912 INFO L745 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 27#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 84#L534true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#L527true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 8#L542true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 59#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 110#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 16#L165true [2024-11-17 08:47:20,913 INFO L747 eck$LassoCheckResult]: Loop: 16#L165true assume true; 20#L165-1true assume !false; 58#test_while_1_continue#1true assume true; 25#L167true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 3#L175true assume !(0 != test_~tmp~1#1); 32#L183true havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 96#L185true assume !(0 != test_~tmp___0~0#1); 61#L193true havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 107#L195true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 113#L404true assume true;assume { :end_inline_startSystem } true; 12#L210true assume { :begin_inline_timeShift } true; 47#L237-2true assume !(0 != ~pumpRunning~0); 40#L244-2true assume !(0 != ~systemActive~0); 128#L252-2true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 80#L452-4true assume true;__utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 69#L922-2true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 91#L943-2true assume true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 31#L254-2true assume true;assume { :end_inline_timeShift } true; 16#L165true [2024-11-17 08:47:20,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:20,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2005168789, now seen corresponding path program 1 times [2024-11-17 08:47:20,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:20,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488189462] [2024-11-17 08:47:20,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:20,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:21,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:21,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:21,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:21,095 INFO L85 PathProgramCache]: Analyzing trace with hash 522630213, now seen corresponding path program 1 times [2024-11-17 08:47:21,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:21,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072642926] [2024-11-17 08:47:21,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:21,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:47:21,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:21,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072642926] [2024-11-17 08:47:21,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072642926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:21,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:21,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:47:21,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096844538] [2024-11-17 08:47:21,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:21,195 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:47:21,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:21,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:47:21,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:47:21,230 INFO L87 Difference]: Start difference. First operand has 129 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:21,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:21,274 INFO L93 Difference]: Finished difference Result 123 states and 158 transitions. [2024-11-17 08:47:21,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 123 states and 158 transitions. [2024-11-17 08:47:21,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2024-11-17 08:47:21,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 123 states to 112 states and 146 transitions. [2024-11-17 08:47:21,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 112 [2024-11-17 08:47:21,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 112 [2024-11-17 08:47:21,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 146 transitions. [2024-11-17 08:47:21,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:21,294 INFO L218 hiAutomatonCegarLoop]: Abstraction has 112 states and 146 transitions. [2024-11-17 08:47:21,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 146 transitions. [2024-11-17 08:47:21,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-17 08:47:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 1.3035714285714286) internal successors, (146), 111 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 146 transitions. [2024-11-17 08:47:21,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 112 states and 146 transitions. [2024-11-17 08:47:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:47:21,331 INFO L425 stractBuchiCegarLoop]: Abstraction has 112 states and 146 transitions. [2024-11-17 08:47:21,331 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:47:21,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 146 transitions. [2024-11-17 08:47:21,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2024-11-17 08:47:21,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:21,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:21,335 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:21,335 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:21,335 INFO L745 eck$LassoCheckResult]: Stem: 371#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 303#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 304#L534 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 358#L527 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 272#L542 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 273#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 336#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 286#L165 [2024-11-17 08:47:21,335 INFO L747 eck$LassoCheckResult]: Loop: 286#L165 assume true; 287#L165-1 assume !false; 294#test_while_1_continue#1 assume true; 300#L167 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 261#L175 assume !(0 != test_~tmp~1#1); 263#L183 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 310#L185 assume !(0 != test_~tmp___0~0#1); 339#L193 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 340#L195 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 369#L404 assume true;assume { :end_inline_startSystem } true; 278#L210 assume { :begin_inline_timeShift } true; 279#L237-2 assume !(0 != ~pumpRunning~0); 268#L244-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 317#L269-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 354#L261-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 291#L287-2 assume true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 361#L252-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 357#L452-4 assume true;__utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 350#L922-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 298#L943-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 309#L254-2 assume true;assume { :end_inline_timeShift } true; 286#L165 [2024-11-17 08:47:21,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:21,336 INFO L85 PathProgramCache]: Analyzing trace with hash 2005168789, now seen corresponding path program 2 times [2024-11-17 08:47:21,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:21,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060725467] [2024-11-17 08:47:21,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:21,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:21,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:21,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:21,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:21,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1070189684, now seen corresponding path program 1 times [2024-11-17 08:47:21,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:21,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478009534] [2024-11-17 08:47:21,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:21,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:47:21,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:21,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478009534] [2024-11-17 08:47:21,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478009534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:21,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:21,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:47:21,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048092260] [2024-11-17 08:47:21,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:21,409 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:47:21,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:21,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:47:21,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:47:21,412 INFO L87 Difference]: Start difference. First operand 112 states and 146 transitions. cyclomatic complexity: 36 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:21,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:21,491 INFO L93 Difference]: Finished difference Result 175 states and 222 transitions. [2024-11-17 08:47:21,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 175 states and 222 transitions. [2024-11-17 08:47:21,494 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-17 08:47:21,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 175 states to 175 states and 222 transitions. [2024-11-17 08:47:21,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 175 [2024-11-17 08:47:21,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2024-11-17 08:47:21,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 222 transitions. [2024-11-17 08:47:21,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:21,504 INFO L218 hiAutomatonCegarLoop]: Abstraction has 175 states and 222 transitions. [2024-11-17 08:47:21,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 222 transitions. [2024-11-17 08:47:21,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-17 08:47:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 175 states have (on average 1.2685714285714285) internal successors, (222), 174 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 222 transitions. [2024-11-17 08:47:21,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 175 states and 222 transitions. [2024-11-17 08:47:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:47:21,519 INFO L425 stractBuchiCegarLoop]: Abstraction has 175 states and 222 transitions. [2024-11-17 08:47:21,520 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:47:21,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 222 transitions. [2024-11-17 08:47:21,521 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-17 08:47:21,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:21,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:21,522 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:21,522 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:21,523 INFO L745 eck$LassoCheckResult]: Stem: 676#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 600#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 601#L534 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 660#L527 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 564#L542 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 565#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 635#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 673#L165 [2024-11-17 08:47:21,523 INFO L747 eck$LassoCheckResult]: Loop: 673#L165 assume true; 693#L165-1 assume !false; 692#test_while_1_continue#1 assume true; 691#L167 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 689#L175 assume !(0 != test_~tmp~1#1); 687#L183 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 685#L185 assume !(0 != test_~tmp___0~0#1); 683#L193 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 682#L195 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 680#L404 assume true;assume { :end_inline_startSystem } true; 570#L210 assume { :begin_inline_timeShift } true; 571#L237-2 assume !(0 != ~pumpRunning~0); 610#L244-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 611#L269-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~3#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 566#L492-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 567#L497-2 assume true;isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 606#L389-2 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 609#L394-2 isHighWaterLevel_~retValue_acc~3#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; 580#L395-2 assume true;processEnvironment_#t~ret9#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret9#1;havoc processEnvironment_#t~ret9#1; 581#L273-2 assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 582#L261-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 583#L287-2 assume true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 703#L252-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 702#L452-4 assume true;__utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 700#L922-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 695#L943-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 694#L254-2 assume true;assume { :end_inline_timeShift } true; 673#L165 [2024-11-17 08:47:21,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:21,524 INFO L85 PathProgramCache]: Analyzing trace with hash 2005168789, now seen corresponding path program 3 times [2024-11-17 08:47:21,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:21,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389974879] [2024-11-17 08:47:21,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:21,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:21,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:21,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:21,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:21,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1963248181, now seen corresponding path program 1 times [2024-11-17 08:47:21,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:21,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486239527] [2024-11-17 08:47:21,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:21,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:21,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:21,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:21,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:21,611 INFO L85 PathProgramCache]: Analyzing trace with hash -820525385, now seen corresponding path program 1 times [2024-11-17 08:47:21,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:21,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379610385] [2024-11-17 08:47:21,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:21,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:47:21,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:21,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379610385] [2024-11-17 08:47:21,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379610385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:21,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:21,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:47:21,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731985381] [2024-11-17 08:47:21,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:21,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:21,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:47:21,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:47:21,968 INFO L87 Difference]: Start difference. First operand 175 states and 222 transitions. cyclomatic complexity: 49 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:22,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:22,088 INFO L93 Difference]: Finished difference Result 343 states and 429 transitions. [2024-11-17 08:47:22,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 343 states and 429 transitions. [2024-11-17 08:47:22,091 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 248 [2024-11-17 08:47:22,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 343 states to 343 states and 429 transitions. [2024-11-17 08:47:22,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 343 [2024-11-17 08:47:22,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 343 [2024-11-17 08:47:22,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 343 states and 429 transitions. [2024-11-17 08:47:22,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:22,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 343 states and 429 transitions. [2024-11-17 08:47:22,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states and 429 transitions. [2024-11-17 08:47:22,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-17 08:47:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 343 states have (on average 1.250728862973761) internal successors, (429), 342 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 429 transitions. [2024-11-17 08:47:22,130 INFO L240 hiAutomatonCegarLoop]: Abstraction has 343 states and 429 transitions. [2024-11-17 08:47:22,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:47:22,132 INFO L425 stractBuchiCegarLoop]: Abstraction has 343 states and 429 transitions. [2024-11-17 08:47:22,132 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-17 08:47:22,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 343 states and 429 transitions. [2024-11-17 08:47:22,134 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 248 [2024-11-17 08:47:22,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:22,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:22,134 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:22,135 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:22,135 INFO L745 eck$LassoCheckResult]: Stem: 1236#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1132#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1133#L534 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1204#L527 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1097#L542 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1098#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1175#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1232#L165 [2024-11-17 08:47:22,135 INFO L747 eck$LassoCheckResult]: Loop: 1232#L165 assume true; 1301#L165-1 assume !false; 1300#test_while_1_continue#1 assume true; 1128#L167 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1086#L175 assume !(0 != test_~tmp~1#1); 1088#L183 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1213#L185 assume !(0 != test_~tmp___0~0#1); 1214#L193 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1328#L195 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1326#L404 assume true;assume { :end_inline_startSystem } true; 1105#L210 assume { :begin_inline_timeShift } true; 1106#L237-2 assume !(0 != ~pumpRunning~0); 1147#L244-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1148#L269-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~3#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 1319#L492-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 1318#L497-2 assume true;isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 1317#L389-2 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1221#L394-2 isHighWaterLevel_~retValue_acc~3#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; 1113#L395-2 assume true;processEnvironment_#t~ret9#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret9#1;havoc processEnvironment_#t~ret9#1; 1114#L273-2 assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1312#L261-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1311#L287-2 assume true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1310#L252-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 1309#L452-4 assume true;__utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 1308#L922-2 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 1307#L484-2 assume true;__utac_acc__Specification3_spec__1_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret51#1;havoc __utac_acc__Specification3_spec__1_#t~ret51#1; 1305#L928-2 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1303#L943-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1302#L254-2 assume true;assume { :end_inline_timeShift } true; 1232#L165 [2024-11-17 08:47:22,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:22,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2005168789, now seen corresponding path program 4 times [2024-11-17 08:47:22,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:22,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700991188] [2024-11-17 08:47:22,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:22,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:22,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:22,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:22,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:22,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1191345559, now seen corresponding path program 1 times [2024-11-17 08:47:22,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:22,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624413239] [2024-11-17 08:47:22,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:22,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:22,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:22,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:22,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1748600917, now seen corresponding path program 1 times [2024-11-17 08:47:22,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:22,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610965491] [2024-11-17 08:47:22,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:22,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:22,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:22,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:23,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:23,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:47:23 BoogieIcfgContainer [2024-11-17 08:47:23,142 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:47:23,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:47:23,143 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:47:23,143 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:47:23,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:20" (3/4) ... [2024-11-17 08:47:23,145 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:47:23,218 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:47:23,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:47:23,222 INFO L158 Benchmark]: Toolchain (without parser) took 3661.69ms. Allocated memory is still 205.5MB. Free memory was 133.7MB in the beginning and 170.1MB in the end (delta: -36.4MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2024-11-17 08:47:23,222 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:47:23,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.20ms. Allocated memory is still 205.5MB. Free memory was 133.7MB in the beginning and 112.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:47:23,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.18ms. Allocated memory is still 205.5MB. Free memory was 112.3MB in the beginning and 109.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:47:23,223 INFO L158 Benchmark]: Boogie Preprocessor took 56.31ms. Allocated memory is still 205.5MB. Free memory was 109.5MB in the beginning and 106.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:47:23,223 INFO L158 Benchmark]: IcfgBuilder took 628.02ms. Allocated memory is still 205.5MB. Free memory was 106.7MB in the beginning and 167.1MB in the end (delta: -60.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-17 08:47:23,224 INFO L158 Benchmark]: BuchiAutomizer took 2357.46ms. Allocated memory is still 205.5MB. Free memory was 167.1MB in the beginning and 64.6MB in the end (delta: 102.5MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. [2024-11-17 08:47:23,224 INFO L158 Benchmark]: Witness Printer took 75.94ms. Allocated memory is still 205.5MB. Free memory was 64.6MB in the beginning and 170.1MB in the end (delta: -105.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-17 08:47:23,228 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.20ms. Allocated memory is still 205.5MB. Free memory was 133.7MB in the beginning and 112.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.18ms. Allocated memory is still 205.5MB. Free memory was 112.3MB in the beginning and 109.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.31ms. Allocated memory is still 205.5MB. Free memory was 109.5MB in the beginning and 106.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 628.02ms. Allocated memory is still 205.5MB. Free memory was 106.7MB in the beginning and 167.1MB in the end (delta: -60.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2357.46ms. Allocated memory is still 205.5MB. Free memory was 167.1MB in the beginning and 64.6MB in the end (delta: 102.5MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. * Witness Printer took 75.94ms. Allocated memory is still 205.5MB. Free memory was 64.6MB in the beginning and 170.1MB in the end (delta: -105.6MB). Peak memory consumption was 9.8MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [153] - GenericResultAtLocation [Line: 221]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [221] - GenericResultAtLocation [Line: 407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [407] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [502] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] - GenericResultAtLocation [Line: 546]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [546] - GenericResultAtLocation [Line: 912]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 343 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 384 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 384 mSDsluCounter, 945 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 496 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 449 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 165]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L409] int waterLevel = 1; [L410] int methaneLevelCritical = 0; [L716] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L538] int retValue_acc ; [L541] retValue_acc = 1 [L542] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L165] COND TRUE 1 [L167] COND TRUE splverifierCounter < 4 [L173] tmp = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp)) [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) [L197] CALL startSystem() [L403] systemActive = 1 [L197] RET startSystem() [L210] CALL timeShift() [L237] COND FALSE !(\read(pumpRunning)) [L244] COND TRUE \read(systemActive) [L246] CALL processEnvironment() [L266] int tmp ; [L269] COND TRUE ! pumpRunning [L271] CALL, EXPR isHighWaterLevel() [L381] int retValue_acc ; [L382] int tmp ; [L383] int tmp___0 ; [L387] CALL, EXPR isHighWaterSensorDry() [L489] int retValue_acc ; [L492] COND TRUE waterLevel < 2 [L493] retValue_acc = 1 [L494] return (retValue_acc); [L387] RET, EXPR isHighWaterSensorDry() [L387] tmp = isHighWaterSensorDry() [L389] COND TRUE \read(tmp) [L390] tmp___0 = 0 [L394] retValue_acc = tmp___0 [L395] return (retValue_acc); [L271] RET, EXPR isHighWaterLevel() [L271] tmp = isHighWaterLevel() [L273] COND FALSE !(\read(tmp)) [L279] FCALL processEnvironment__wrappee__base() [L246] RET processEnvironment() [L252] CALL __utac_acc__Specification3_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L916] int tmp___1 ; [L920] CALL, EXPR isMethaneLevelCritical() [L448] int retValue_acc ; [L451] retValue_acc = methaneLevelCritical [L452] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() [L920] tmp = isMethaneLevelCritical() [L922] COND FALSE !(\read(tmp)) [L926] CALL, EXPR getWaterLevel() [L480] int retValue_acc ; [L483] retValue_acc = waterLevel [L484] return (retValue_acc); [L926] RET, EXPR getWaterLevel() [L926] tmp___0 = getWaterLevel() [L928] COND FALSE !(tmp___0 == 2) [L252] RET __utac_acc__Specification3_spec__1() [L210] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 165]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L409] int waterLevel = 1; [L410] int methaneLevelCritical = 0; [L716] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L538] int retValue_acc ; [L541] retValue_acc = 1 [L542] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L165] COND TRUE 1 [L167] COND TRUE splverifierCounter < 4 [L173] tmp = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp)) [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) [L197] CALL startSystem() [L403] systemActive = 1 [L197] RET startSystem() [L210] CALL timeShift() [L237] COND FALSE !(\read(pumpRunning)) [L244] COND TRUE \read(systemActive) [L246] CALL processEnvironment() [L266] int tmp ; [L269] COND TRUE ! pumpRunning [L271] CALL, EXPR isHighWaterLevel() [L381] int retValue_acc ; [L382] int tmp ; [L383] int tmp___0 ; [L387] CALL, EXPR isHighWaterSensorDry() [L489] int retValue_acc ; [L492] COND TRUE waterLevel < 2 [L493] retValue_acc = 1 [L494] return (retValue_acc); [L387] RET, EXPR isHighWaterSensorDry() [L387] tmp = isHighWaterSensorDry() [L389] COND TRUE \read(tmp) [L390] tmp___0 = 0 [L394] retValue_acc = tmp___0 [L395] return (retValue_acc); [L271] RET, EXPR isHighWaterLevel() [L271] tmp = isHighWaterLevel() [L273] COND FALSE !(\read(tmp)) [L279] FCALL processEnvironment__wrappee__base() [L246] RET processEnvironment() [L252] CALL __utac_acc__Specification3_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L916] int tmp___1 ; [L920] CALL, EXPR isMethaneLevelCritical() [L448] int retValue_acc ; [L451] retValue_acc = methaneLevelCritical [L452] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() [L920] tmp = isMethaneLevelCritical() [L922] COND FALSE !(\read(tmp)) [L926] CALL, EXPR getWaterLevel() [L480] int retValue_acc ; [L483] retValue_acc = waterLevel [L484] return (retValue_acc); [L926] RET, EXPR getWaterLevel() [L926] tmp___0 = getWaterLevel() [L928] COND FALSE !(tmp___0 == 2) [L252] RET __utac_acc__Specification3_spec__1() [L210] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:47:23,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)