./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_spec2_product11.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 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:29:31,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:29:31,794 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:29:31,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:29:31,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:29:31,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:29:31,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:29:31,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:29:31,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:29:31,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:29:31,815 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:29:31,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:29:31,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:29:31,816 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:29:31,816 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:29:31,816 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:29:31,816 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:29:31,816 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:29:31,816 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:29:31,816 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:29:31,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:29:31,817 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:29:31,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:29:31,818 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:29:31,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:29:31,818 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:29:31,818 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:29:31,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:29:31,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:29:31,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:29:31,818 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:29:31,818 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 [2025-03-09 07:29:32,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:29:32,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:29:32,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:29:32,065 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:29:32,065 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:29:32,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2025-03-09 07:29:33,241 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99f846db4/ce60c44891cd4116b8797fc5c2b204c6/FLAG39e43f2ee [2025-03-09 07:29:33,502 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:29:33,503 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2025-03-09 07:29:33,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99f846db4/ce60c44891cd4116b8797fc5c2b204c6/FLAG39e43f2ee [2025-03-09 07:29:33,808 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99f846db4/ce60c44891cd4116b8797fc5c2b204c6 [2025-03-09 07:29:33,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:29:33,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:29:33,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:33,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:29:33,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:29:33,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:33" (1/1) ... [2025-03-09 07:29:33,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345ba104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:33, skipping insertion in model container [2025-03-09 07:29:33,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:33" (1/1) ... [2025-03-09 07:29:33,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:29:34,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:34,058 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:29:34,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-03-09 07:29:34,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2025-03-09 07:29:34,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [453] [2025-03-09 07:29:34,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] [2025-03-09 07:29:34,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [673] [2025-03-09 07:29:34,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [682] [2025-03-09 07:29:34,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [721] [2025-03-09 07:29:34,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [802] [2025-03-09 07:29:34,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:34,110 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:29:34,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34 WrapperNode [2025-03-09 07:29:34,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:34,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:34,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:29:34,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:29:34,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,140 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 38, statements flattened = 245 [2025-03-09 07:29:34,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:34,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:29:34,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:29:34,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:29:34,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,162 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]. [2025-03-09 07:29:34,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,166 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:29:34,171 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:29:34,171 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:29:34,171 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:29:34,172 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:29:34,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:29:34,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:29:34,197 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 [2025-03-09 07:29:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:29:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:29:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:29:34,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:29:34,268 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:29:34,270 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:29:34,487 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L549-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-03-09 07:29:34,487 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L549-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-03-09 07:29:34,487 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L549-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-03-09 07:29:34,487 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-09 07:29:34,487 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-09 07:29:34,488 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-09 07:29:34,488 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-09 07:29:34,488 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-03-09 07:29:34,495 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2025-03-09 07:29:34,495 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:29:34,505 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:29:34,508 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:29:34,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:34 BoogieIcfgContainer [2025-03-09 07:29:34,509 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:29:34,510 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:29:34,510 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:29:34,513 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:29:34,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:34,514 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:29:33" (1/3) ... [2025-03-09 07:29:34,515 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@313fb385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:34, skipping insertion in model container [2025-03-09 07:29:34,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:34,515 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34" (2/3) ... [2025-03-09 07:29:34,515 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@313fb385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:34, skipping insertion in model container [2025-03-09 07:29:34,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:34,516 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:34" (3/3) ... [2025-03-09 07:29:34,517 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2025-03-09 07:29:34,548 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:29:34,549 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:29:34,549 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:29:34,549 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:29:34,549 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:29:34,549 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:29:34,549 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:29:34,549 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:29:34,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 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) [2025-03-09 07:29:34,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2025-03-09 07:29:34,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:34,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:34,574 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:34,574 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:34,574 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:29:34,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 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) [2025-03-09 07:29:34,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2025-03-09 07:29:34,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:34,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:34,580 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:34,580 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:34,585 INFO L752 eck$LassoCheckResult]: Stem: "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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:34,585 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet38#1;test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet39#1;test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification2_spec__2_#t~ret42#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret42#1;havoc __utac_acc__Specification2_spec__2_#t~ret42#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:34,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:34,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1989323622, now seen corresponding path program 1 times [2025-03-09 07:29:34,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:34,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090259953] [2025-03-09 07:29:34,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:34,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:34,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:34,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:34,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:34,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:34,670 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:34,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:34,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:34,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:34,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:34,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:34,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:34,700 INFO L85 PathProgramCache]: Analyzing trace with hash -149007566, now seen corresponding path program 1 times [2025-03-09 07:29:34,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:34,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750505532] [2025-03-09 07:29:34,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:34,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:34,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 07:29:34,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 07:29:34,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:34,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:34,713 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:34,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 07:29:34,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 07:29:34,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:34,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:34,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:34,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:34,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1328863221, now seen corresponding path program 1 times [2025-03-09 07:29:34,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:34,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866096319] [2025-03-09 07:29:34,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:34,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:34,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 07:29:34,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 07:29:34,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:34,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:29:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:29:34,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:29:34,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866096319] [2025-03-09 07:29:34,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866096319] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:29:34,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:29:34,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 07:29:34,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232220353] [2025-03-09 07:29:34,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:29:34,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:29:34,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:29:34,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:29:34,954 INFO L87 Difference]: Start difference. First operand has 82 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 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 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2025-03-09 07:29:34,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:29:34,988 INFO L93 Difference]: Finished difference Result 143 states and 187 transitions. [2025-03-09 07:29:34,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 187 transitions. [2025-03-09 07:29:34,991 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 84 [2025-03-09 07:29:34,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 123 states and 166 transitions. [2025-03-09 07:29:34,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 123 [2025-03-09 07:29:34,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 123 [2025-03-09 07:29:34,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 123 states and 166 transitions. [2025-03-09 07:29:34,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:29:34,998 INFO L218 hiAutomatonCegarLoop]: Abstraction has 123 states and 166 transitions. [2025-03-09 07:29:35,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states and 166 transitions. [2025-03-09 07:29:35,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 120. [2025-03-09 07:29:35,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 120 states have (on average 1.35) internal successors, (162), 119 states have internal predecessors, (162), 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) [2025-03-09 07:29:35,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 162 transitions. [2025-03-09 07:29:35,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 120 states and 162 transitions. [2025-03-09 07:29:35,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:29:35,019 INFO L432 stractBuchiCegarLoop]: Abstraction has 120 states and 162 transitions. [2025-03-09 07:29:35,019 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:29:35,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states and 162 transitions. [2025-03-09 07:29:35,021 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 84 [2025-03-09 07:29:35,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:35,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:35,021 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:35,021 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:35,021 INFO L752 eck$LassoCheckResult]: Stem: "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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:35,021 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet38#1;test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet39#1;test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification2_spec__2_#t~ret42#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret42#1;havoc __utac_acc__Specification2_spec__2_#t~ret42#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:35,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1989323622, now seen corresponding path program 2 times [2025-03-09 07:29:35,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:35,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139337347] [2025-03-09 07:29:35,022 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:29:35,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:35,038 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:35,041 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:35,041 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:29:35,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,041 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:35,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:35,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:35,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:35,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:35,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1179403343, now seen corresponding path program 1 times [2025-03-09 07:29:35,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:35,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710602061] [2025-03-09 07:29:35,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:35,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:35,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:29:35,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:29:35,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,052 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:35,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:29:35,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:29:35,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:35,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:35,056 INFO L85 PathProgramCache]: Analyzing trace with hash 899777016, now seen corresponding path program 1 times [2025-03-09 07:29:35,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:35,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616616901] [2025-03-09 07:29:35,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:35,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:35,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 07:29:35,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 07:29:35,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,064 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:35,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 07:29:35,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 07:29:35,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:35,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:35,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:35,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,751 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:35,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:35,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:35,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:29:35 BoogieIcfgContainer [2025-03-09 07:29:35,785 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:29:35,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:29:35,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:29:35,785 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:29:35,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:34" (3/4) ... [2025-03-09 07:29:35,786 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:29:35,815 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:29:35,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:29:35,816 INFO L158 Benchmark]: Toolchain (without parser) took 2002.61ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 51.2MB in the end (delta: 62.7MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2025-03-09 07:29:35,816 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:35,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.91ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 95.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:29:35,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.74ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 93.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:35,817 INFO L158 Benchmark]: Boogie Preprocessor took 29.20ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:35,817 INFO L158 Benchmark]: IcfgBuilder took 338.13ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 74.2MB in the end (delta: 18.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 07:29:35,818 INFO L158 Benchmark]: BuchiAutomizer took 1275.19ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 54.8MB in the end (delta: 19.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2025-03-09 07:29:35,818 INFO L158 Benchmark]: Witness Printer took 30.51ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 51.2MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:29:35,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.91ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 95.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.74ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 93.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.20ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 338.13ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 74.2MB in the end (delta: 18.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1275.19ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 54.8MB in the end (delta: 19.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 30.51ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 51.2MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [453] - GenericResultAtLocation [Line: 603]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] - GenericResultAtLocation [Line: 673]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [673] - GenericResultAtLocation [Line: 682]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [682] - GenericResultAtLocation [Line: 721]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [721] - GenericResultAtLocation [Line: 802]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [802] * 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 120 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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, 79 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 181 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, 97 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: 617]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L463] int pumpRunning = 0; [L464] int systemActive = 1; [L683] int methAndRunningLastTime ; [L723] int waterLevel = 1; [L724] int methaneLevelCritical = 0; [L803] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] int retValue_acc ; [L878] int tmp ; [L882] FCALL select_helpers() [L883] FCALL select_features() [L884] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] RET, EXPR valid_product() [L884] tmp = valid_product() [L886] COND TRUE \read(tmp) [L888] FCALL setup() [L889] CALL runTest() [L870] CALL __utac_acc__Specification2_spec__1() [L688] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] RET __utac_acc__Specification2_spec__1() [L871] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L662] CALL timeShift() [L471] COND FALSE !(\read(pumpRunning)) [L478] COND TRUE \read(systemActive) [L480] FCALL processEnvironment() [L486] CALL __utac_acc__Specification2_spec__2() [L693] int tmp ; [L694] int tmp___0 ; [L698] CALL, EXPR isMethaneLevelCritical() [L762] int retValue_acc ; [L765] retValue_acc = methaneLevelCritical [L766] return (retValue_acc); [L698] RET, EXPR isMethaneLevelCritical() [L698] tmp = isMethaneLevelCritical() [L700] COND FALSE !(\read(tmp)) [L716] methAndRunningLastTime = 0 [L486] RET __utac_acc__Specification2_spec__2() [L662] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 617]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L463] int pumpRunning = 0; [L464] int systemActive = 1; [L683] int methAndRunningLastTime ; [L723] int waterLevel = 1; [L724] int methaneLevelCritical = 0; [L803] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] int retValue_acc ; [L878] int tmp ; [L882] FCALL select_helpers() [L883] FCALL select_features() [L884] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] RET, EXPR valid_product() [L884] tmp = valid_product() [L886] COND TRUE \read(tmp) [L888] FCALL setup() [L889] CALL runTest() [L870] CALL __utac_acc__Specification2_spec__1() [L688] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] RET __utac_acc__Specification2_spec__1() [L871] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L662] CALL timeShift() [L471] COND FALSE !(\read(pumpRunning)) [L478] COND TRUE \read(systemActive) [L480] FCALL processEnvironment() [L486] CALL __utac_acc__Specification2_spec__2() [L693] int tmp ; [L694] int tmp___0 ; [L698] CALL, EXPR isMethaneLevelCritical() [L762] int retValue_acc ; [L765] retValue_acc = methaneLevelCritical [L766] return (retValue_acc); [L698] RET, EXPR isMethaneLevelCritical() [L698] tmp = isMethaneLevelCritical() [L700] COND FALSE !(\read(tmp)) [L716] methAndRunningLastTime = 0 [L486] RET __utac_acc__Specification2_spec__2() [L662] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:29:35,831 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)