./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae076af2cea67b9cfc404edc1600766999266c2b24082e43516a66dae23512b8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:16,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:16,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:16,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:16,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:16,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:16,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:16,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:16,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:16,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:16,369 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:16,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:16,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:16,372 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:16,372 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:16,373 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:16,373 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:16,373 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:16,373 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:16,373 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:16,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:16,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:16,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:16,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:16,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:16,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:16,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:16,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:16,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:16,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:16,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:16,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:16,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:16,377 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:16,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:16,378 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:16,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:16,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:16,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:16,379 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:16,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae076af2cea67b9cfc404edc1600766999266c2b24082e43516a66dae23512b8 [2024-11-10 23:13:16,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:16,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:16,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:16,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:16,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:16,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2024-11-10 23:13:17,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:18,128 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:18,129 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2024-11-10 23:13:18,144 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b2e793b9/1828ba43e8244b5fb17c9381b3d403e3/FLAG3edd46931 [2024-11-10 23:13:18,156 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b2e793b9/1828ba43e8244b5fb17c9381b3d403e3 [2024-11-10 23:13:18,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:18,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:18,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:18,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:18,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:18,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19016f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18, skipping insertion in model container [2024-11-10 23:13:18,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,240 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:18,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:18,477 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:18,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:13:18,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2024-11-10 23:13:18,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [424] [2024-11-10 23:13:18,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [586] [2024-11-10 23:13:18,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [654] [2024-11-10 23:13:18,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [692] [2024-11-10 23:13:18,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [788] [2024-11-10 23:13:18,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [814] [2024-11-10 23:13:18,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:18,572 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:18,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18 WrapperNode [2024-11-10 23:13:18,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:18,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:18,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:18,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:18,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,617 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 50, statements flattened = 337 [2024-11-10 23:13:18,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:18,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:18,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:18,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:18,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,650 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 23:13:18,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,656 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:18,660 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:18,660 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:18,661 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:18,661 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (1/1) ... [2024-11-10 23:13:18,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:18,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:18,687 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 23:13:18,689 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 23:13:18,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:18,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:18,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:18,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:18,799 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:18,805 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:19,093 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L689-1: valid_product_#res#1 := valid_product_~retValue_acc~7#1; [2024-11-10 23:13:19,093 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L583-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:13:19,093 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L583-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:13:19,093 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L583-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:13:19,093 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L906-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:13:19,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L906-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:13:19,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L906-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:13:19,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L528-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:13:19,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L528-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:13:19,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L528-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:13:19,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L785-1: main_#res#1 := main_~retValue_acc~8#1; [2024-11-10 23:13:19,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L860-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:13:19,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L860-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:13:19,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L860-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:13:19,127 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:19,127 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:19,137 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:19,138 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:19,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:19 BoogieIcfgContainer [2024-11-10 23:13:19,138 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:19,139 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:19,139 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:19,142 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:19,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:19,143 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:18" (1/3) ... [2024-11-10 23:13:19,143 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fe7ecdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:19, skipping insertion in model container [2024-11-10 23:13:19,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:19,143 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:18" (2/3) ... [2024-11-10 23:13:19,144 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fe7ecdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:19, skipping insertion in model container [2024-11-10 23:13:19,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:19,144 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:19" (3/3) ... [2024-11-10 23:13:19,146 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product33.cil.c [2024-11-10 23:13:19,190 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:19,191 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:19,191 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:19,191 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:19,191 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:19,191 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:19,191 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:19,192 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:19,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 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 23:13:19,211 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-10 23:13:19,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:19,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:19,216 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:19,216 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:19,216 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:19,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 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 23:13:19,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-10 23:13:19,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:19,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:19,224 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:19,224 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:19,230 INFO L745 eck$LassoCheckResult]: Stem: 98#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 22#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 101#L680true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 21#L673true 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; 79#L688true assume true;main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 16#L775true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 51#L752true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 82#L600true [2024-11-10 23:13:19,230 INFO L747 eck$LassoCheckResult]: Loop: 82#L600true assume true; 47#L600-1true assume !false;assume true; 7#L602true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 39#L610true assume !(0 != test_~tmp~5#1); 37#L618true havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 40#L620true assume !(0 != test_~tmp___0~1#1); 38#L628true havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 59#L630true assume 0 != test_~tmp___2~0#1; 28#L643true assume { :begin_inline_timeShift } true; 80#L442-2true assume !(0 != ~pumpRunning~0); 12#L449-2true assume !(0 != ~systemActive~0); 36#L457-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 46#L859-2true assume true;__utac_acc__Specification1_spec__1_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret44#1;havoc __utac_acc__Specification1_spec__1_#t~ret44#1; 25#L797-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 9#L811-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 17#L459-2true assume true;assume { :end_inline_timeShift } true; 82#L600true [2024-11-10 23:13:19,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:19,235 INFO L85 PathProgramCache]: Analyzing trace with hash -272896353, now seen corresponding path program 1 times [2024-11-10 23:13:19,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:19,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743644074] [2024-11-10 23:13:19,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:19,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:19,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:19,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:19,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:19,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1276637561, now seen corresponding path program 1 times [2024-11-10 23:13:19,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:19,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118620516] [2024-11-10 23:13:19,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:19,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:19,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:19,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:19,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:19,393 INFO L85 PathProgramCache]: Analyzing trace with hash 453960727, now seen corresponding path program 1 times [2024-11-10 23:13:19,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:19,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522240475] [2024-11-10 23:13:19,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:19,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:19,677 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 23:13:19,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:19,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522240475] [2024-11-10 23:13:19,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522240475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:19,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:19,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:19,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895275594] [2024-11-10 23:13:19,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:19,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:19,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:13:19,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:13:19,775 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 23:13:19,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:19,833 INFO L93 Difference]: Finished difference Result 102 states and 130 transitions. [2024-11-10 23:13:19,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 130 transitions. [2024-11-10 23:13:19,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2024-11-10 23:13:19,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 91 states and 119 transitions. [2024-11-10 23:13:19,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2024-11-10 23:13:19,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2024-11-10 23:13:19,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 119 transitions. [2024-11-10 23:13:19,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:19,851 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2024-11-10 23:13:19,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 119 transitions. [2024-11-10 23:13:19,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-10 23:13:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 90 states have internal predecessors, (119), 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 23:13:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2024-11-10 23:13:19,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2024-11-10 23:13:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:13:19,885 INFO L425 stractBuchiCegarLoop]: Abstraction has 91 states and 119 transitions. [2024-11-10 23:13:19,885 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:19,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 119 transitions. [2024-11-10 23:13:19,888 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2024-11-10 23:13:19,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:19,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:19,889 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:19,889 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] [2024-11-10 23:13:19,889 INFO L745 eck$LassoCheckResult]: Stem: 314#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 290#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 291#L680 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 287#L673 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; 288#L688 assume true;main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 278#L775 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 230#L752 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 231#L600 [2024-11-10 23:13:19,890 INFO L747 eck$LassoCheckResult]: Loop: 231#L600 assume true; 303#L600-1 assume !false;assume true; 246#L602 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 248#L610 assume !(0 != test_~tmp~5#1); 296#L618 havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 312#L620 assume !(0 != test_~tmp___0~1#1); 255#L628 havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 261#L630 assume 0 != test_~tmp___2~0#1; 263#L643 assume { :begin_inline_timeShift } true; 300#L442-2 assume !(0 != ~pumpRunning~0); 269#L449-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 240#L474-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 242#L466-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 234#L492-2 assume true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 235#L457-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 311#L859-2 assume true;__utac_acc__Specification1_spec__1_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret44#1;havoc __utac_acc__Specification1_spec__1_#t~ret44#1; 293#L797-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 252#L811-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 253#L459-2 assume true;assume { :end_inline_timeShift } true; 231#L600 [2024-11-10 23:13:19,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:19,892 INFO L85 PathProgramCache]: Analyzing trace with hash -272896353, now seen corresponding path program 2 times [2024-11-10 23:13:19,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:19,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705831432] [2024-11-10 23:13:19,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:19,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:19,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:19,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:19,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:19,921 INFO L85 PathProgramCache]: Analyzing trace with hash -480621641, now seen corresponding path program 1 times [2024-11-10 23:13:19,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:19,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914739441] [2024-11-10 23:13:19,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:19,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:19,950 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 23:13:19,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:19,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914739441] [2024-11-10 23:13:19,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914739441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:19,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:19,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:13:19,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104952126] [2024-11-10 23:13:19,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:19,953 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:19,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:19,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:19,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:19,954 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. cyclomatic complexity: 30 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23:13:20,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:20,010 INFO L93 Difference]: Finished difference Result 142 states and 180 transitions. [2024-11-10 23:13:20,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 180 transitions. [2024-11-10 23:13:20,011 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-10 23:13:20,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 180 transitions. [2024-11-10 23:13:20,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142 [2024-11-10 23:13:20,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2024-11-10 23:13:20,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 180 transitions. [2024-11-10 23:13:20,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:20,017 INFO L218 hiAutomatonCegarLoop]: Abstraction has 142 states and 180 transitions. [2024-11-10 23:13:20,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 180 transitions. [2024-11-10 23:13:20,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-10 23:13:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.267605633802817) internal successors, (180), 141 states have internal predecessors, (180), 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 23:13:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 180 transitions. [2024-11-10 23:13:20,030 INFO L240 hiAutomatonCegarLoop]: Abstraction has 142 states and 180 transitions. [2024-11-10 23:13:20,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:20,031 INFO L425 stractBuchiCegarLoop]: Abstraction has 142 states and 180 transitions. [2024-11-10 23:13:20,031 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:13:20,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 180 transitions. [2024-11-10 23:13:20,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-10 23:13:20,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:20,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:20,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:20,037 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] [2024-11-10 23:13:20,037 INFO L745 eck$LassoCheckResult]: Stem: 558#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 527#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 528#L680 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 525#L673 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; 526#L688 assume true;main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 515#L775 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 469#L752 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 470#L600 [2024-11-10 23:13:20,037 INFO L747 eck$LassoCheckResult]: Loop: 470#L600 assume true; 543#L600-1 assume !false;assume true; 484#L602 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 486#L610 assume !(0 != test_~tmp~5#1); 537#L618 havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 554#L620 assume !(0 != test_~tmp___0~1#1); 493#L628 havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 498#L630 assume 0 != test_~tmp___2~0#1; 500#L643 assume { :begin_inline_timeShift } true; 541#L442-2 assume !(0 != ~pumpRunning~0); 506#L449-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 477#L474-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 478#L899-2 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 544#L904-2 assume true;isHighWaterLevel_#t~ret37#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret37#1;havoc isHighWaterLevel_#t~ret37#1; 550#L576-2 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0; 551#L581-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 531#L582-2 assume true;processEnvironment_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret27#1;havoc processEnvironment_#t~ret27#1; 508#L478-2 assume !(0 != processEnvironment_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 501#L466-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 473#L492-2 assume true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 474#L457-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 553#L859-2 assume true;__utac_acc__Specification1_spec__1_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret44#1;havoc __utac_acc__Specification1_spec__1_#t~ret44#1; 534#L797-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 490#L811-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 491#L459-2 assume true;assume { :end_inline_timeShift } true; 470#L600 [2024-11-10 23:13:20,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:20,038 INFO L85 PathProgramCache]: Analyzing trace with hash -272896353, now seen corresponding path program 3 times [2024-11-10 23:13:20,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:20,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132338761] [2024-11-10 23:13:20,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:20,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:20,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:20,066 INFO L85 PathProgramCache]: Analyzing trace with hash 590632944, now seen corresponding path program 1 times [2024-11-10 23:13:20,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:20,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635545262] [2024-11-10 23:13:20,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:20,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:20,097 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 23:13:20,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:20,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635545262] [2024-11-10 23:13:20,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635545262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:20,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:20,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:13:20,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999619265] [2024-11-10 23:13:20,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:20,099 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:20,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:20,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 23:13:20,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 23:13:20,100 INFO L87 Difference]: Start difference. First operand 142 states and 180 transitions. cyclomatic complexity: 40 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 23:13:20,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:20,132 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2024-11-10 23:13:20,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 186 transitions. [2024-11-10 23:13:20,133 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-10 23:13:20,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 186 transitions. [2024-11-10 23:13:20,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2024-11-10 23:13:20,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2024-11-10 23:13:20,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 186 transitions. [2024-11-10 23:13:20,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:20,135 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 186 transitions. [2024-11-10 23:13:20,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 186 transitions. [2024-11-10 23:13:20,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-10 23:13:20,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.2567567567567568) internal successors, (186), 147 states have internal predecessors, (186), 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 23:13:20,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 186 transitions. [2024-11-10 23:13:20,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 186 transitions. [2024-11-10 23:13:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 23:13:20,144 INFO L425 stractBuchiCegarLoop]: Abstraction has 148 states and 186 transitions. [2024-11-10 23:13:20,146 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:13:20,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 186 transitions. [2024-11-10 23:13:20,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-10 23:13:20,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:20,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:20,147 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:20,149 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] [2024-11-10 23:13:20,149 INFO L745 eck$LassoCheckResult]: Stem: 858#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 824#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 825#L680 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 822#L673 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; 823#L688 assume true;main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 812#L775 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 766#L752 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 767#L600 [2024-11-10 23:13:20,149 INFO L747 eck$LassoCheckResult]: Loop: 767#L600 assume true; 900#L600-1 assume !false;assume true; 899#L602 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 897#L610 assume !(0 != test_~tmp~5#1); 895#L618 havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 893#L620 assume !(0 != test_~tmp___0~1#1); 891#L628 havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 795#L630 assume 0 != test_~tmp___2~0#1; 797#L643 assume { :begin_inline_timeShift } true; 838#L442-2 assume !(0 != ~pumpRunning~0); 803#L449-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 774#L474-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 775#L899-2 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 842#L904-2 assume true;isHighWaterLevel_#t~ret37#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret37#1;havoc isHighWaterLevel_#t~ret37#1; 849#L576-2 assume !(0 != isHighWaterLevel_~tmp~4#1);isHighWaterLevel_~tmp___0~0#1 := 1; 850#L581-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 827#L582-2 assume true;processEnvironment_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret27#1;havoc processEnvironment_#t~ret27#1; 805#L478-2 assume !(0 != processEnvironment_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 798#L466-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 770#L492-2 assume true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 771#L457-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 852#L859-2 assume true;__utac_acc__Specification1_spec__1_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret44#1;havoc __utac_acc__Specification1_spec__1_#t~ret44#1; 830#L797-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 787#L811-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 788#L459-2 assume true;assume { :end_inline_timeShift } true; 767#L600 [2024-11-10 23:13:20,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:20,150 INFO L85 PathProgramCache]: Analyzing trace with hash -272896353, now seen corresponding path program 4 times [2024-11-10 23:13:20,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:20,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172402421] [2024-11-10 23:13:20,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:20,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:20,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:20,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1206318415, now seen corresponding path program 1 times [2024-11-10 23:13:20,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:20,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704322998] [2024-11-10 23:13:20,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:20,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:20,213 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 23:13:20,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:20,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704322998] [2024-11-10 23:13:20,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704322998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:20,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:20,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:20,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116967692] [2024-11-10 23:13:20,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:20,215 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:20,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:20,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:13:20,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:13:20,216 INFO L87 Difference]: Start difference. First operand 148 states and 186 transitions. cyclomatic complexity: 40 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 23:13:20,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:20,272 INFO L93 Difference]: Finished difference Result 157 states and 195 transitions. [2024-11-10 23:13:20,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 195 transitions. [2024-11-10 23:13:20,273 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-10 23:13:20,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 157 states and 195 transitions. [2024-11-10 23:13:20,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 157 [2024-11-10 23:13:20,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 157 [2024-11-10 23:13:20,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 195 transitions. [2024-11-10 23:13:20,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:20,277 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 195 transitions. [2024-11-10 23:13:20,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 195 transitions. [2024-11-10 23:13:20,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-10 23:13:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.2420382165605095) internal successors, (195), 156 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 23:13:20,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 195 transitions. [2024-11-10 23:13:20,288 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 195 transitions. [2024-11-10 23:13:20,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:13:20,290 INFO L425 stractBuchiCegarLoop]: Abstraction has 157 states and 195 transitions. [2024-11-10 23:13:20,290 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-10 23:13:20,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 195 transitions. [2024-11-10 23:13:20,291 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-10 23:13:20,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:20,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:20,293 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:20,294 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] [2024-11-10 23:13:20,294 INFO L745 eck$LassoCheckResult]: Stem: 1170#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1139#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1140#L680 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1136#L673 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; 1137#L688 assume true;main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 1126#L775 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1079#L752 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1080#L600 [2024-11-10 23:13:20,294 INFO L747 eck$LassoCheckResult]: Loop: 1080#L600 assume true; 1154#L600-1 assume !false;assume true; 1094#L602 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1096#L610 assume !(0 != test_~tmp~5#1); 1147#L618 havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1167#L620 assume !(0 != test_~tmp___0~1#1); 1103#L628 havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1108#L630 assume 0 != test_~tmp___2~0#1; 1110#L643 assume { :begin_inline_timeShift } true; 1152#L442-2 assume !(0 != ~pumpRunning~0); 1116#L449-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1088#L474-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1089#L899-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1156#L904-2 assume true;isHighWaterLevel_#t~ret37#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret37#1;havoc isHighWaterLevel_#t~ret37#1; 1162#L576-2 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1184#L581-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1183#L582-2 assume true;processEnvironment_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret27#1;havoc processEnvironment_#t~ret27#1; 1181#L478-2 assume !(0 != processEnvironment_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1111#L466-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1085#L492-2 assume true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1086#L457-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 1166#L859-2 assume true;__utac_acc__Specification1_spec__1_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret44#1;havoc __utac_acc__Specification1_spec__1_#t~ret44#1; 1144#L797-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 1100#L811-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1101#L459-2 assume true;assume { :end_inline_timeShift } true; 1080#L600 [2024-11-10 23:13:20,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:20,294 INFO L85 PathProgramCache]: Analyzing trace with hash -272896353, now seen corresponding path program 5 times [2024-11-10 23:13:20,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:20,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242517461] [2024-11-10 23:13:20,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:20,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:20,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:20,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1177438958, now seen corresponding path program 1 times [2024-11-10 23:13:20,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:20,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213844844] [2024-11-10 23:13:20,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:20,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:20,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:20,329 INFO L85 PathProgramCache]: Analyzing trace with hash 507210256, now seen corresponding path program 1 times [2024-11-10 23:13:20,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:20,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193090903] [2024-11-10 23:13:20,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:20,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:20,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:21,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:21,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:21 BoogieIcfgContainer [2024-11-10 23:13:21,089 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:21,090 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:21,090 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:21,090 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:21,091 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:19" (3/4) ... [2024-11-10 23:13:21,096 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:21,166 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:21,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:21,167 INFO L158 Benchmark]: Toolchain (without parser) took 2987.61ms. Allocated memory was 125.8MB in the beginning and 211.8MB in the end (delta: 86.0MB). Free memory was 96.8MB in the beginning and 104.2MB in the end (delta: -7.4MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2024-11-10 23:13:21,167 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:21,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.28ms. Allocated memory was 125.8MB in the beginning and 211.8MB in the end (delta: 86.0MB). Free memory was 96.6MB in the beginning and 164.5MB in the end (delta: -67.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-10 23:13:21,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.46ms. Allocated memory is still 211.8MB. Free memory was 164.5MB in the beginning and 162.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:21,168 INFO L158 Benchmark]: Boogie Preprocessor took 40.28ms. Allocated memory is still 211.8MB. Free memory was 162.4MB in the beginning and 159.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:21,168 INFO L158 Benchmark]: IcfgBuilder took 477.97ms. Allocated memory is still 211.8MB. Free memory was 159.6MB in the beginning and 137.3MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:21,168 INFO L158 Benchmark]: BuchiAutomizer took 1950.58ms. Allocated memory is still 211.8MB. Free memory was 137.3MB in the beginning and 107.3MB in the end (delta: 29.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-10 23:13:21,172 INFO L158 Benchmark]: Witness Printer took 76.59ms. Allocated memory is still 211.8MB. Free memory was 107.3MB in the beginning and 104.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:21,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.28ms. Allocated memory was 125.8MB in the beginning and 211.8MB in the end (delta: 86.0MB). Free memory was 96.6MB in the beginning and 164.5MB in the end (delta: -67.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.46ms. Allocated memory is still 211.8MB. Free memory was 164.5MB in the beginning and 162.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.28ms. Allocated memory is still 211.8MB. Free memory was 162.4MB in the beginning and 159.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 477.97ms. Allocated memory is still 211.8MB. Free memory was 159.6MB in the beginning and 137.3MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1950.58ms. Allocated memory is still 211.8MB. Free memory was 137.3MB in the beginning and 107.3MB in the end (delta: 29.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 76.59ms. Allocated memory is still 211.8MB. Free memory was 107.3MB in the beginning and 104.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [424] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [586] - GenericResultAtLocation [Line: 654]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [654] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [692] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [788] - GenericResultAtLocation [Line: 814]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [814] * 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 157 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 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, 220 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 1327 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 837 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 490 mSDtfsCounter, 138 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: 600]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L434] int pumpRunning = 0; [L435] int systemActive = 1; [L693] int cleanupTimeShifts = 4; [L816] int waterLevel = 1; [L817] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L766] int retValue_acc ; [L767] int tmp ; [L771] FCALL select_helpers() [L772] FCALL select_features() [L773] CALL, EXPR valid_product() [L684] int retValue_acc ; [L687] retValue_acc = 1 [L688] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] RET, EXPR valid_product() [L773] tmp = valid_product() [L775] COND TRUE \read(tmp) [L777] FCALL setup() [L778] CALL runTest() [L760] CALL test() [L591] int splverifierCounter ; [L592] int tmp ; [L593] int tmp___0 ; [L594] int tmp___1 ; [L595] int tmp___2 ; [L598] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L600] COND TRUE 1 [L602] COND TRUE splverifierCounter < 4 [L608] tmp = __VERIFIER_nondet_int() [L610] COND FALSE !(\read(tmp)) [L618] tmp___0 = __VERIFIER_nondet_int() [L620] COND FALSE !(\read(tmp___0)) [L628] tmp___2 = __VERIFIER_nondet_int() [L630] COND TRUE \read(tmp___2) [L643] CALL timeShift() [L442] COND FALSE !(\read(pumpRunning)) [L449] COND TRUE \read(systemActive) [L451] CALL processEnvironment() [L471] int tmp ; [L474] COND TRUE ! pumpRunning [L476] CALL, EXPR isHighWaterLevel() [L568] int retValue_acc ; [L569] int tmp ; [L570] int tmp___0 ; [L574] CALL, EXPR isHighWaterSensorDry() [L896] int retValue_acc ; [L899] COND TRUE waterLevel < 2 [L900] retValue_acc = 1 [L901] return (retValue_acc); [L574] RET, EXPR isHighWaterSensorDry() [L574] tmp = isHighWaterSensorDry() [L576] COND TRUE \read(tmp) [L577] tmp___0 = 0 [L581] retValue_acc = tmp___0 [L582] return (retValue_acc); [L476] RET, EXPR isHighWaterLevel() [L476] tmp = isHighWaterLevel() [L478] COND FALSE !(\read(tmp)) [L484] FCALL processEnvironment__wrappee__base() [L451] RET processEnvironment() [L457] CALL __utac_acc__Specification1_spec__1() [L790] int tmp ; [L791] int tmp___0 ; [L795] CALL, EXPR isMethaneLevelCritical() [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() [L795] tmp = isMethaneLevelCritical() [L797] COND FALSE !(\read(tmp)) [L457] RET __utac_acc__Specification1_spec__1() [L643] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 600]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L434] int pumpRunning = 0; [L435] int systemActive = 1; [L693] int cleanupTimeShifts = 4; [L816] int waterLevel = 1; [L817] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L766] int retValue_acc ; [L767] int tmp ; [L771] FCALL select_helpers() [L772] FCALL select_features() [L773] CALL, EXPR valid_product() [L684] int retValue_acc ; [L687] retValue_acc = 1 [L688] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] RET, EXPR valid_product() [L773] tmp = valid_product() [L775] COND TRUE \read(tmp) [L777] FCALL setup() [L778] CALL runTest() [L760] CALL test() [L591] int splverifierCounter ; [L592] int tmp ; [L593] int tmp___0 ; [L594] int tmp___1 ; [L595] int tmp___2 ; [L598] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L600] COND TRUE 1 [L602] COND TRUE splverifierCounter < 4 [L608] tmp = __VERIFIER_nondet_int() [L610] COND FALSE !(\read(tmp)) [L618] tmp___0 = __VERIFIER_nondet_int() [L620] COND FALSE !(\read(tmp___0)) [L628] tmp___2 = __VERIFIER_nondet_int() [L630] COND TRUE \read(tmp___2) [L643] CALL timeShift() [L442] COND FALSE !(\read(pumpRunning)) [L449] COND TRUE \read(systemActive) [L451] CALL processEnvironment() [L471] int tmp ; [L474] COND TRUE ! pumpRunning [L476] CALL, EXPR isHighWaterLevel() [L568] int retValue_acc ; [L569] int tmp ; [L570] int tmp___0 ; [L574] CALL, EXPR isHighWaterSensorDry() [L896] int retValue_acc ; [L899] COND TRUE waterLevel < 2 [L900] retValue_acc = 1 [L901] return (retValue_acc); [L574] RET, EXPR isHighWaterSensorDry() [L574] tmp = isHighWaterSensorDry() [L576] COND TRUE \read(tmp) [L577] tmp___0 = 0 [L581] retValue_acc = tmp___0 [L582] return (retValue_acc); [L476] RET, EXPR isHighWaterLevel() [L476] tmp = isHighWaterLevel() [L478] COND FALSE !(\read(tmp)) [L484] FCALL processEnvironment__wrappee__base() [L451] RET processEnvironment() [L457] CALL __utac_acc__Specification1_spec__1() [L790] int tmp ; [L791] int tmp___0 ; [L795] CALL, EXPR isMethaneLevelCritical() [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() [L795] tmp = isMethaneLevelCritical() [L797] COND FALSE !(\read(tmp)) [L457] RET __utac_acc__Specification1_spec__1() [L643] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:21,206 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)