./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product03.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 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:47:33,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:47:33,846 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:47:33,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:47:33,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:47:33,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:47:33,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:47:33,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:47:33,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:47:33,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:47:33,878 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:47:33,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:47:33,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:47:33,879 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:47:33,879 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:47:33,879 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:47:33,879 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:47:33,879 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:47:33,879 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:47:33,880 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:47:33,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:47:33,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:47:33,882 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:47:33,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:47:33,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:47:33,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:47:33,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:47:33,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:47:33,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:47:33,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:47:33,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:47:33,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:47:33,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:47:33,884 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:47:33,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:47:33,885 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:47:33,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:47:33,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:47:33,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:47:33,886 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:47:33,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 [2024-11-17 08:47:34,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:47:34,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:47:34,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:47:34,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:47:34,091 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:47:34,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2024-11-17 08:47:35,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:47:35,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:47:35,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2024-11-17 08:47:35,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc9e9b9c/20348e2bc5d349a0827e88c6388ef0c0/FLAG86629c9fc [2024-11-17 08:47:35,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc9e9b9c/20348e2bc5d349a0827e88c6388ef0c0 [2024-11-17 08:47:35,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:47:35,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:47:35,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:35,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:47:35,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:47:35,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c8c0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35, skipping insertion in model container [2024-11-17 08:47:35,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:47:35,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:35,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:47:35,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-17 08:47:35,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-11-17 08:47:35,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [424] [2024-11-17 08:47:35,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [462] [2024-11-17 08:47:35,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [534] [2024-11-17 08:47:35,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [664] [2024-11-17 08:47:35,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [745] [2024-11-17 08:47:35,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] [2024-11-17 08:47:35,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:35,824 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:47:35,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35 WrapperNode [2024-11-17 08:47:35,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:35,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:35,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:47:35,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:47:35,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,856 INFO L138 Inliner]: procedures = 50, calls = 91, calls flagged for inlining = 44, calls inlined = 37, statements flattened = 233 [2024-11-17 08:47:35,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:35,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:47:35,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:47:35,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:47:35,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,875 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:47:35,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,879 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:47:35,883 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:47:35,883 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:47:35,883 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:47:35,884 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (1/1) ... [2024-11-17 08:47:35,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:47:35,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:47:35,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:47:35,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:47:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:47:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:47:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:47:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:47:36,008 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:47:36,009 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:47:36,205 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L459-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2024-11-17 08:47:36,205 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L864-1: main_#res#1 := main_~retValue_acc~9#1; [2024-11-17 08:47:36,205 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-17 08:47:36,205 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-17 08:47:36,205 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L610-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-17 08:47:36,205 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-17 08:47:36,205 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L610-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-17 08:47:36,205 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L610-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-17 08:47:36,218 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-17 08:47:36,218 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:47:36,232 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:47:36,232 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:47:36,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:36 BoogieIcfgContainer [2024-11-17 08:47:36,233 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:47:36,233 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:47:36,233 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:47:36,236 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:47:36,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:36,237 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:47:35" (1/3) ... [2024-11-17 08:47:36,237 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36bac96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:36, skipping insertion in model container [2024-11-17 08:47:36,237 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:36,237 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:35" (2/3) ... [2024-11-17 08:47:36,237 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36bac96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:36, skipping insertion in model container [2024-11-17 08:47:36,238 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:36,238 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:36" (3/3) ... [2024-11-17 08:47:36,238 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2024-11-17 08:47:36,278 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:47:36,278 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:47:36,278 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:47:36,278 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:47:36,278 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:47:36,279 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:47:36,279 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:47:36,279 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:47:36,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:36,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2024-11-17 08:47:36,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:36,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:36,309 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:36,310 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:36,310 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:47:36,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:36,316 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2024-11-17 08:47:36,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:36,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:36,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:36,318 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:36,322 INFO L745 eck$LassoCheckResult]: Stem: 61#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 41#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 40#L450true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 69#L443true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 46#L458true assume true;main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 66#L854true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 38#L831true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 75#L478true [2024-11-17 08:47:36,324 INFO L747 eck$LassoCheckResult]: Loop: 75#L478true assume true; 55#L478-1true assume !false; 8#test_while_3_continue#1true assume true; 57#L480true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 81#L488true assume !(0 != test_~tmp~3#1); 30#L496true havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 34#L498true assume !(0 != test_~tmp___0~0#1); 54#L506true havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 44#L508true assume 0 != test_~tmp___2~0#1; 20#L523true assume { :begin_inline_timeShift } true; 31#L550-2true assume !(0 != ~pumpRunning~0); 7#L557-2true assume !(0 != ~systemActive~0); 71#L565-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 12#L741-2true assume true;__utac_acc__Specification4_spec__1_#t~ret46#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret46#1;havoc __utac_acc__Specification4_spec__1_#t~ret46#1; 80#L754-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 11#L768-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 85#L567-2true assume true;assume { :end_inline_timeShift } true; 75#L478true [2024-11-17 08:47:36,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:36,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1588192388, now seen corresponding path program 1 times [2024-11-17 08:47:36,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:36,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206783474] [2024-11-17 08:47:36,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:36,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:36,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:36,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1612796996, now seen corresponding path program 1 times [2024-11-17 08:47:36,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:36,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682980766] [2024-11-17 08:47:36,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:36,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:36,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:36,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1434698199, now seen corresponding path program 1 times [2024-11-17 08:47:36,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:36,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869974773] [2024-11-17 08:47:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:36,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:47:36,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:36,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869974773] [2024-11-17 08:47:36,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869974773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:36,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:36,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:47:36,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41973094] [2024-11-17 08:47:36,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:36,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:36,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:47:36,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:47:36,707 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:36,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:36,740 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2024-11-17 08:47:36,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 186 transitions. [2024-11-17 08:47:36,744 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 90 [2024-11-17 08:47:36,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 126 states and 163 transitions. [2024-11-17 08:47:36,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2024-11-17 08:47:36,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2024-11-17 08:47:36,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 163 transitions. [2024-11-17 08:47:36,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:36,750 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 163 transitions. [2024-11-17 08:47:36,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 163 transitions. [2024-11-17 08:47:36,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2024-11-17 08:47:36,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 123 states have (on average 1.2926829268292683) internal successors, (159), 122 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions. [2024-11-17 08:47:36,772 INFO L240 hiAutomatonCegarLoop]: Abstraction has 123 states and 159 transitions. [2024-11-17 08:47:36,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:47:36,776 INFO L425 stractBuchiCegarLoop]: Abstraction has 123 states and 159 transitions. [2024-11-17 08:47:36,776 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:47:36,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states and 159 transitions. [2024-11-17 08:47:36,778 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 90 [2024-11-17 08:47:36,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:36,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:36,781 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:36,781 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:36,781 INFO L745 eck$LassoCheckResult]: Stem: 307#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 292#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 290#L450 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 291#L443 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 296#L458 assume true;main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 297#L854 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 286#L831 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 287#L478 [2024-11-17 08:47:36,781 INFO L747 eck$LassoCheckResult]: Loop: 287#L478 assume true; 302#L478-1 assume !false; 252#test_while_3_continue#1 assume true; 253#L480 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 303#L488 assume !(0 != test_~tmp~3#1); 272#L496 havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 278#L498 assume !(0 != test_~tmp___0~0#1); 284#L506 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 293#L508 assume 0 != test_~tmp___2~0#1; 264#L523 assume { :begin_inline_timeShift } true; 265#L550-2 assume !(0 != ~pumpRunning~0); 250#L557-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 251#L574-2 assume true;assume { :end_inline_processEnvironment } true; 311#L565-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 258#L741-2 assume true;__utac_acc__Specification4_spec__1_#t~ret46#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret46#1;havoc __utac_acc__Specification4_spec__1_#t~ret46#1; 259#L754-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 338#L768-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 337#L567-2 assume true;assume { :end_inline_timeShift } true; 287#L478 [2024-11-17 08:47:36,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:36,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1588192388, now seen corresponding path program 2 times [2024-11-17 08:47:36,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:36,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330850460] [2024-11-17 08:47:36,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:36,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:36,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:36,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1896928605, now seen corresponding path program 1 times [2024-11-17 08:47:36,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:36,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149327164] [2024-11-17 08:47:36,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:36,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:36,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1913858072, now seen corresponding path program 1 times [2024-11-17 08:47:36,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:36,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605575761] [2024-11-17 08:47:36,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:36,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:36,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:37,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:37,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:47:37 BoogieIcfgContainer [2024-11-17 08:47:37,630 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:47:37,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:47:37,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:47:37,631 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:47:37,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:36" (3/4) ... [2024-11-17 08:47:37,634 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:47:37,676 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:47:37,676 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:47:37,677 INFO L158 Benchmark]: Toolchain (without parser) took 2187.38ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 122.0MB in the beginning and 155.9MB in the end (delta: -33.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-17 08:47:37,677 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:47:37,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.69ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 101.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:47:37,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.59ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:47:37,678 INFO L158 Benchmark]: Boogie Preprocessor took 25.63ms. Allocated memory is still 176.2MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:47:37,678 INFO L158 Benchmark]: IcfgBuilder took 350.00ms. Allocated memory is still 176.2MB. Free memory was 96.9MB in the beginning and 137.8MB in the end (delta: -40.9MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-11-17 08:47:37,679 INFO L158 Benchmark]: BuchiAutomizer took 1397.24ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 137.8MB in the beginning and 158.0MB in the end (delta: -20.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-17 08:47:37,679 INFO L158 Benchmark]: Witness Printer took 45.59ms. Allocated memory is still 253.8MB. Free memory was 158.0MB in the beginning and 155.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:47:37,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.69ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 101.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.59ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.63ms. Allocated memory is still 176.2MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 350.00ms. Allocated memory is still 176.2MB. Free memory was 96.9MB in the beginning and 137.8MB in the end (delta: -40.9MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1397.24ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 137.8MB in the beginning and 158.0MB in the end (delta: -20.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Witness Printer took 45.59ms. Allocated memory is still 253.8MB. Free memory was 158.0MB in the beginning and 155.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [424] - GenericResultAtLocation [Line: 462]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [462] - GenericResultAtLocation [Line: 534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [534] - GenericResultAtLocation [Line: 664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [664] - GenericResultAtLocation [Line: 745]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [745] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] * 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 3 locations. The remainder module has 123 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 96 mSDtfsCounter, 10 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: 478]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L542] int pumpRunning = 0; [L543] int systemActive = 1; [L666] int waterLevel = 1; [L667] int methaneLevelCritical = 0; [L772] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L454] int retValue_acc ; [L457] retValue_acc = 1 [L458] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] RET, EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L839] CALL test() [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L550] COND FALSE !(\read(pumpRunning)) [L557] COND TRUE \read(systemActive) [L559] FCALL processEnvironment() [L565] CALL __utac_acc__Specification4_spec__1() [L747] int tmp ; [L748] int tmp___0 ; [L752] CALL, EXPR getWaterLevel() [L737] int retValue_acc ; [L740] retValue_acc = waterLevel [L741] return (retValue_acc); [L752] RET, EXPR getWaterLevel() [L752] tmp = getWaterLevel() [L754] COND FALSE !(tmp == 0) [L565] RET __utac_acc__Specification4_spec__1() [L523] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 478]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L542] int pumpRunning = 0; [L543] int systemActive = 1; [L666] int waterLevel = 1; [L667] int methaneLevelCritical = 0; [L772] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L454] int retValue_acc ; [L457] retValue_acc = 1 [L458] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] RET, EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L839] CALL test() [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L550] COND FALSE !(\read(pumpRunning)) [L557] COND TRUE \read(systemActive) [L559] FCALL processEnvironment() [L565] CALL __utac_acc__Specification4_spec__1() [L747] int tmp ; [L748] int tmp___0 ; [L752] CALL, EXPR getWaterLevel() [L737] int retValue_acc ; [L740] retValue_acc = waterLevel [L741] return (retValue_acc); [L752] RET, EXPR getWaterLevel() [L752] tmp = getWaterLevel() [L754] COND FALSE !(tmp == 0) [L565] RET __utac_acc__Specification4_spec__1() [L523] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:47:37,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)