./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product13.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_product13.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 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:00,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:00,492 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:00,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:00,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:00,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:00,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:00,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:00,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:00,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:00,535 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:00,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:00,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:00,538 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:00,539 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:00,539 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:00,539 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:00,540 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:00,540 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:00,540 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:00,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:00,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:00,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:00,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:00,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:00,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:00,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:00,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:00,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:00,546 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:00,546 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:00,546 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:00,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:00,547 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:00,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:00,547 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:00,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:00,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:00,548 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:00,550 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:00,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 [2024-11-10 23:13:00,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:00,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:00,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:00,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:00,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:00,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2024-11-10 23:13:02,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:02,544 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:02,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2024-11-10 23:13:02,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708b49ab7/c13c6a8576ce4addb93ac9209d65c1d5/FLAG77cc74c6c [2024-11-10 23:13:02,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708b49ab7/c13c6a8576ce4addb93ac9209d65c1d5 [2024-11-10 23:13:02,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:02,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:02,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:02,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:02,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:02,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:02" (1/1) ... [2024-11-10 23:13:02,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5ec533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:02, skipping insertion in model container [2024-11-10 23:13:02,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:02" (1/1) ... [2024-11-10 23:13:02,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:02,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:02,983 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:02,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:13:02,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-10 23:13:02,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [501] [2024-11-10 23:13:02,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [510] [2024-11-10 23:13:02,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] [2024-11-10 23:13:02,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [647] [2024-11-10 23:13:02,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] [2024-11-10 23:13:02,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [739] [2024-11-10 23:13:03,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:03,078 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:03,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03 WrapperNode [2024-11-10 23:13:03,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:03,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:03,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:03,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:03,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,129 INFO L138 Inliner]: procedures = 51, calls = 95, calls flagged for inlining = 48, calls inlined = 50, statements flattened = 307 [2024-11-10 23:13:03,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:03,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:03,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:03,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:03,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,167 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 23:13:03,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,173 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:03,179 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:03,179 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:03,179 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:03,180 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (1/1) ... [2024-11-10 23:13:03,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:03,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:03,216 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 23:13:03,222 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 23:13:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:03,357 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:03,360 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:03,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L466-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:03,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L466-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:03,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L466-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:03,731 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L466-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:03,731 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L466-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:03,731 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L466-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:03,731 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L644-1: main_#res#1 := main_~retValue_acc~7#1; [2024-11-10 23:13:03,731 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L545-1: valid_product_#res#1 := valid_product_~retValue_acc~6#1; [2024-11-10 23:13:03,732 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L843-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-10 23:13:03,732 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L843-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-10 23:13:03,732 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L843-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-10 23:13:03,732 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L852-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:13:03,732 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L852-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:13:03,732 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L852-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:13:03,751 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:03,751 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:03,765 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:03,765 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:03,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:03 BoogieIcfgContainer [2024-11-10 23:13:03,766 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:03,767 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:03,767 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:03,770 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:03,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:03,771 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:02" (1/3) ... [2024-11-10 23:13:03,772 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7abfcbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:03, skipping insertion in model container [2024-11-10 23:13:03,772 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:03,773 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:03" (2/3) ... [2024-11-10 23:13:03,773 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7abfcbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:03, skipping insertion in model container [2024-11-10 23:13:03,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:03,773 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:03" (3/3) ... [2024-11-10 23:13:03,774 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2024-11-10 23:13:03,831 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:03,832 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:03,832 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:03,832 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:03,832 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:03,832 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:03,832 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:03,832 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:03,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 99 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 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 23:13:03,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2024-11-10 23:13:03,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:03,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:03,863 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:03,863 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 23:13:03,863 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:03,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 99 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 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 23:13:03,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2024-11-10 23:13:03,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:03,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:03,870 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:03,871 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 23:13:03,874 INFO L745 eck$LassoCheckResult]: Stem: 87#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 18#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 50#L536true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 67#L529true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 78#L544true assume true;main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 72#L634true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 38#L610true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#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; 63#L685true [2024-11-10 23:13:03,875 INFO L747 eck$LassoCheckResult]: Loop: 63#L685true assume true; 83#L685-1true assume !false;assume true; 39#L687true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 94#L695true assume !(0 != test_~tmp~5#1); 8#L703true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 77#L705true assume !(0 != test_~tmp___0~1#1); 76#L713true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 9#L715true assume 0 != test_~tmp___2~0#1; 48#L728true assume { :begin_inline_timeShift } true; 88#L749-2true assume !(0 != ~pumpRunning~0); 43#L756-2true assume !(0 != ~systemActive~0); 70#L764-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 85#L465-4true assume true;__utac_acc__Specification1_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret34#1;havoc __utac_acc__Specification1_spec__1_#t~ret34#1; 28#L657-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 14#L671-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 55#L766-2true assume true;assume { :end_inline_timeShift } true; 63#L685true [2024-11-10 23:13:03,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:03,880 INFO L85 PathProgramCache]: Analyzing trace with hash 399404365, now seen corresponding path program 1 times [2024-11-10 23:13:03,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:03,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528216254] [2024-11-10 23:13:03,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:03,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:03,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:04,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:04,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:04,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1247609345, now seen corresponding path program 1 times [2024-11-10 23:13:04,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:04,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170706699] [2024-11-10 23:13:04,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:04,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:04,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:04,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:04,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:04,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1218096309, now seen corresponding path program 1 times [2024-11-10 23:13:04,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:04,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670330534] [2024-11-10 23:13:04,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:04,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:04,289 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 23:13:04,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:04,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670330534] [2024-11-10 23:13:04,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670330534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:04,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:04,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:04,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477273377] [2024-11-10 23:13:04,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:04,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:04,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:13:04,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:13:04,419 INFO L87 Difference]: Start difference. First operand has 99 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 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 23:13:04,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:04,511 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2024-11-10 23:13:04,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2024-11-10 23:13:04,515 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2024-11-10 23:13:04,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 82 states and 104 transitions. [2024-11-10 23:13:04,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 82 [2024-11-10 23:13:04,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 82 [2024-11-10 23:13:04,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 104 transitions. [2024-11-10 23:13:04,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:04,528 INFO L218 hiAutomatonCegarLoop]: Abstraction has 82 states and 104 transitions. [2024-11-10 23:13:04,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 104 transitions. [2024-11-10 23:13:04,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-10 23:13:04,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.2682926829268293) internal successors, (104), 81 states have internal predecessors, (104), 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 23:13:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2024-11-10 23:13:04,563 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 104 transitions. [2024-11-10 23:13:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:13:04,568 INFO L425 stractBuchiCegarLoop]: Abstraction has 82 states and 104 transitions. [2024-11-10 23:13:04,569 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:04,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 104 transitions. [2024-11-10 23:13:04,571 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2024-11-10 23:13:04,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:04,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:04,573 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:04,573 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 23:13:04,573 INFO L745 eck$LassoCheckResult]: Stem: 283#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 259#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 260#L536 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 249#L529 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 250#L544 assume true;main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 257#L634 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 258#L610 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#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; 217#L685 [2024-11-10 23:13:04,573 INFO L747 eck$LassoCheckResult]: Loop: 217#L685 assume true; 242#L685-1 assume !false;assume true; 277#L687 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 285#L695 assume !(0 != test_~tmp~5#1); 231#L703 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 232#L705 assume !(0 != test_~tmp___0~1#1); 243#L713 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 233#L715 assume 0 != test_~tmp___2~0#1; 235#L728 assume { :begin_inline_timeShift } true; 287#L749-2 assume !(0 != ~pumpRunning~0); 280#L756-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 240#L781-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 220#L773-5 assume true;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 221#L799-2 assume true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 255#L764-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 256#L465-4 assume true;__utac_acc__Specification1_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret34#1;havoc __utac_acc__Specification1_spec__1_#t~ret34#1; 270#L657-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 245#L671-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 216#L766-2 assume true;assume { :end_inline_timeShift } true; 217#L685 [2024-11-10 23:13:04,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:04,574 INFO L85 PathProgramCache]: Analyzing trace with hash 399404365, now seen corresponding path program 2 times [2024-11-10 23:13:04,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:04,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502778997] [2024-11-10 23:13:04,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:04,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:04,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:04,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:04,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:04,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1660160549, now seen corresponding path program 1 times [2024-11-10 23:13:04,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:04,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705960902] [2024-11-10 23:13:04,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:04,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:04,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:04,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:04,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:04,614 INFO L85 PathProgramCache]: Analyzing trace with hash 414720345, now seen corresponding path program 1 times [2024-11-10 23:13:04,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:04,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277804845] [2024-11-10 23:13:04,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:04,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:04,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:04,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:05,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:05,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:05 BoogieIcfgContainer [2024-11-10 23:13:05,563 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:05,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:05,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:05,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:05,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:03" (3/4) ... [2024-11-10 23:13:05,567 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:05,626 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:05,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:05,627 INFO L158 Benchmark]: Toolchain (without parser) took 3033.09ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 103.5MB in the beginning and 121.7MB in the end (delta: -18.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-10 23:13:05,627 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 161.5MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:05,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.93ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 82.5MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:05,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.11ms. Allocated memory is still 161.5MB. Free memory was 82.5MB in the beginning and 80.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:05,628 INFO L158 Benchmark]: Boogie Preprocessor took 47.59ms. Allocated memory is still 161.5MB. Free memory was 80.1MB in the beginning and 78.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:05,629 INFO L158 Benchmark]: IcfgBuilder took 587.42ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 78.0MB in the beginning and 167.0MB in the end (delta: -89.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-10 23:13:05,629 INFO L158 Benchmark]: BuchiAutomizer took 1796.74ms. Allocated memory is still 205.5MB. Free memory was 167.0MB in the beginning and 124.9MB in the end (delta: 42.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:05,631 INFO L158 Benchmark]: Witness Printer took 62.65ms. Allocated memory is still 205.5MB. Free memory was 124.9MB in the beginning and 121.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:05,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 161.5MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.93ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 82.5MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.11ms. Allocated memory is still 161.5MB. Free memory was 82.5MB in the beginning and 80.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.59ms. Allocated memory is still 161.5MB. Free memory was 80.1MB in the beginning and 78.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 587.42ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 78.0MB in the beginning and 167.0MB in the end (delta: -89.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1796.74ms. Allocated memory is still 205.5MB. Free memory was 167.0MB in the beginning and 124.9MB in the end (delta: 42.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 62.65ms. Allocated memory is still 205.5MB. Free memory was 124.9MB in the beginning and 121.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [501] - GenericResultAtLocation [Line: 510]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [510] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] - GenericResultAtLocation [Line: 647]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [647] - GenericResultAtLocation [Line: 674]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] - GenericResultAtLocation [Line: 739]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [739] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 82 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 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, 214 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 214 mSDsluCounter, 325 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 215 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 685]: 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; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L742] int pumpRunning = 0; [L743] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L676] int splverifierCounter ; [L677] int tmp ; [L678] int tmp___0 ; [L679] int tmp___1 ; [L680] int tmp___2 ; [L683] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND TRUE \read(tmp___2) [L728] CALL timeShift() [L749] COND FALSE !(\read(pumpRunning)) [L756] COND TRUE \read(systemActive) [L758] CALL processEnvironment() [L778] int tmp ; [L781] COND FALSE !(\read(pumpRunning)) [L796] FCALL processEnvironment__wrappee__methaneQuery() [L758] RET processEnvironment() [L764] CALL __utac_acc__Specification1_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L655] CALL, EXPR isMethaneLevelCritical() [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L655] RET, EXPR isMethaneLevelCritical() [L655] tmp = isMethaneLevelCritical() [L657] COND FALSE !(\read(tmp)) [L764] RET __utac_acc__Specification1_spec__1() [L728] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 685]: 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; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L742] int pumpRunning = 0; [L743] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L676] int splverifierCounter ; [L677] int tmp ; [L678] int tmp___0 ; [L679] int tmp___1 ; [L680] int tmp___2 ; [L683] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND TRUE \read(tmp___2) [L728] CALL timeShift() [L749] COND FALSE !(\read(pumpRunning)) [L756] COND TRUE \read(systemActive) [L758] CALL processEnvironment() [L778] int tmp ; [L781] COND FALSE !(\read(pumpRunning)) [L796] FCALL processEnvironment__wrappee__methaneQuery() [L758] RET processEnvironment() [L764] CALL __utac_acc__Specification1_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L655] CALL, EXPR isMethaneLevelCritical() [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L655] RET, EXPR isMethaneLevelCritical() [L655] tmp = isMethaneLevelCritical() [L657] COND FALSE !(\read(tmp)) [L764] RET __utac_acc__Specification1_spec__1() [L728] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:05,658 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)