./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:47:26,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:47:26,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:47:26,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:47:26,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:47:26,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:47:26,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:47:26,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:47:26,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:47:26,850 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:47:26,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:47:26,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:47:26,851 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:47:26,851 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:47:26,851 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:47:26,851 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:47:26,851 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:47:26,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:47:26,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:47:26,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:47:26,853 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:47:26,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:47:26,853 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:47:26,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:47:26,853 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:47:26,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:47:26,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:47:26,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:47:26,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:47:26,854 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:47:26,854 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-jdk21/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 -> 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec [2025-01-10 07:47:27,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:47:27,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:47:27,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:47:27,113 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:47:27,114 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:47:27,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2025-01-10 07:47:28,293 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d794ebc27/7209486d576d4ed4b38358aded8c6b26/FLAG6577c4c34 [2025-01-10 07:47:28,571 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:47:28,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2025-01-10 07:47:28,582 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d794ebc27/7209486d576d4ed4b38358aded8c6b26/FLAG6577c4c34 [2025-01-10 07:47:28,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d794ebc27/7209486d576d4ed4b38358aded8c6b26 [2025-01-10 07:47:28,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:47:28,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:47:28,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:47:28,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:47:28,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:47:28,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:47:28" (1/1) ... [2025-01-10 07:47:28,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4316ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:28, skipping insertion in model container [2025-01-10 07:47:28,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:47:28" (1/1) ... [2025-01-10 07:47:28,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:47:29,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:47:29,131 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:47:29,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-01-10 07:47:29,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2025-01-10 07:47:29,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [424] [2025-01-10 07:47:29,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [452] [2025-01-10 07:47:29,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] [2025-01-10 07:47:29,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [693] [2025-01-10 07:47:29,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [784] [2025-01-10 07:47:29,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [881] [2025-01-10 07:47:29,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:47:29,218 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:47:29,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29 WrapperNode [2025-01-10 07:47:29,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:47:29,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:47:29,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:47:29,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:47:29,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,250 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 53, statements flattened = 331 [2025-01-10 07:47:29,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:47:29,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:47:29,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:47:29,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:47:29,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,259 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,268 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]. [2025-01-10 07:47:29,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,272 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:47:29,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:47:29,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:47:29,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:47:29,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (1/1) ... [2025-01-10 07:47:29,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:47:29,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:47:29,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:47:29,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:47:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:47:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:47:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:47:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:47:29,385 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:47:29,387 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:47:29,673 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2025-01-10 07:47:29,673 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:47:29,681 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:47:29,681 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:47:29,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:29 BoogieIcfgContainer [2025-01-10 07:47:29,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:47:29,682 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:47:29,682 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:47:29,686 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:47:29,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:29,687 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:47:28" (1/3) ... [2025-01-10 07:47:29,688 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@512bf7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:47:29, skipping insertion in model container [2025-01-10 07:47:29,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:29,688 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:29" (2/3) ... [2025-01-10 07:47:29,688 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@512bf7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:47:29, skipping insertion in model container [2025-01-10 07:47:29,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:29,688 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:29" (3/3) ... [2025-01-10 07:47:29,689 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2025-01-10 07:47:29,733 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:47:29,733 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:47:29,733 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:47:29,733 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:47:29,733 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:47:29,733 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:47:29,733 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:47:29,733 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:47:29,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 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) [2025-01-10 07:47:29,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2025-01-10 07:47:29,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:29,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:29,760 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:29,760 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:29,761 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:47:29,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 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) [2025-01-10 07:47:29,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2025-01-10 07:47:29,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:29,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:29,769 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:29,769 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:29,774 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;~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~ret47#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~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;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:47:29,774 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:47:29,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:29,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2025-01-10 07:47:29,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:29,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189158643] [2025-01-10 07:47:29,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:29,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:29,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:29,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:29,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:29,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:29,861 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:29,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:29,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:29,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:29,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:29,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:29,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:29,893 INFO L85 PathProgramCache]: Analyzing trace with hash -722963729, now seen corresponding path program 1 times [2025-01-10 07:47:29,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:29,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425275590] [2025-01-10 07:47:29,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:29,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:29,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 07:47:29,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 07:47:29,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:29,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:47:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:47:29,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:47:29,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425275590] [2025-01-10 07:47:29,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425275590] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:47:29,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:47:29,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:47:29,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566575486] [2025-01-10 07:47:29,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:47:29,990 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:47:29,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:47:30,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:47:30,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:47:30,014 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-01-10 07:47:30,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:47:30,059 INFO L93 Difference]: Finished difference Result 195 states and 251 transitions. [2025-01-10 07:47:30,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 251 transitions. [2025-01-10 07:47:30,066 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 124 [2025-01-10 07:47:30,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 175 states and 230 transitions. [2025-01-10 07:47:30,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 175 [2025-01-10 07:47:30,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2025-01-10 07:47:30,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 230 transitions. [2025-01-10 07:47:30,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:47:30,080 INFO L218 hiAutomatonCegarLoop]: Abstraction has 175 states and 230 transitions. [2025-01-10 07:47:30,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 230 transitions. [2025-01-10 07:47:30,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2025-01-10 07:47:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 172 states have (on average 1.313953488372093) internal successors, (226), 171 states have internal predecessors, (226), 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) [2025-01-10 07:47:30,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 226 transitions. [2025-01-10 07:47:30,112 INFO L240 hiAutomatonCegarLoop]: Abstraction has 172 states and 226 transitions. [2025-01-10 07:47:30,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:47:30,116 INFO L432 stractBuchiCegarLoop]: Abstraction has 172 states and 226 transitions. [2025-01-10 07:47:30,116 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:47:30,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 226 transitions. [2025-01-10 07:47:30,118 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 121 [2025-01-10 07:47:30,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:30,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:30,119 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:30,119 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:30,119 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;~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~ret47#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~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;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:47:30,120 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:47:30,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:30,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2025-01-10 07:47:30,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:30,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588966780] [2025-01-10 07:47:30,120 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:47:30,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:30,129 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:30,134 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:30,134 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:47:30,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:30,134 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:30,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:30,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:30,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:30,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:30,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:30,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:30,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1971452957, now seen corresponding path program 1 times [2025-01-10 07:47:30,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:30,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694108417] [2025-01-10 07:47:30,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:30,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:30,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 07:47:30,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 07:47:30,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:30,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:30,152 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:30,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 07:47:30,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 07:47:30,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:30,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:30,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:30,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:30,160 INFO L85 PathProgramCache]: Analyzing trace with hash 330690463, now seen corresponding path program 1 times [2025-01-10 07:47:30,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:30,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910678331] [2025-01-10 07:47:30,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:30,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:30,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 07:47:30,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 07:47:30,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:30,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:30,174 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:30,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 07:47:30,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 07:47:30,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:30,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:30,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:30,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:30,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:30,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:30,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:30,973 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:30,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:30,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:30,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:30,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:31,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:47:31 BoogieIcfgContainer [2025-01-10 07:47:31,015 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:47:31,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:47:31,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:47:31,016 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:47:31,016 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:29" (3/4) ... [2025-01-10 07:47:31,017 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:47:31,059 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:47:31,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:47:31,063 INFO L158 Benchmark]: Toolchain (without parser) took 2185.78ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 50.8MB in the end (delta: 55.0MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2025-01-10 07:47:31,063 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:31,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.71ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 87.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:47:31,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.13ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 85.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:31,063 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 83.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:47:31,063 INFO L158 Benchmark]: RCFGBuilder took 400.21ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 64.8MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:47:31,064 INFO L158 Benchmark]: BuchiAutomizer took 1332.69ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 54.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2025-01-10 07:47:31,064 INFO L158 Benchmark]: Witness Printer took 43.27ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 50.8MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:31,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.71ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 87.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.13ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 85.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 83.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 400.21ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 64.8MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1332.69ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 54.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 43.27ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 50.8MB in the end (delta: 3.4MB). There was no memory consumed. 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,"Specification4_spec.i","") [424] - GenericResultAtLocation [Line: 452]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [452] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] - GenericResultAtLocation [Line: 693]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [693] - GenericResultAtLocation [Line: 784]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [784] - GenericResultAtLocation [Line: 881]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [881] * 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 172 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 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 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, 122 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 244 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 129 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 894]: 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; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L696] int waterLevel = 1; [L697] int methaneLevelCritical = 0; [L785] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] int retValue_acc ; [L860] int tmp ; [L864] FCALL select_helpers() [L865] FCALL select_features() [L866] CALL, EXPR valid_product() [L482] int retValue_acc ; [L485] retValue_acc = 1 [L486] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L866] RET, EXPR valid_product() [L866] tmp = valid_product() [L868] COND TRUE \read(tmp) [L870] FCALL setup() [L871] CALL runTest() [L853] CALL test() [L883] int splverifierCounter ; [L884] int tmp ; [L885] int tmp___0 ; [L886] int tmp___1 ; [L887] int tmp___2 ; [L890] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L894] COND TRUE splverifierCounter < 4 [L900] tmp = __VERIFIER_nondet_int() [L902] COND FALSE !(\read(tmp)) [L910] tmp___0 = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp___0)) [L920] tmp___2 = __VERIFIER_nondet_int() [L922] COND TRUE \read(tmp___2) [L924] CALL startSystem() [L689] systemActive = 1 [L924] RET startSystem() [L939] CALL timeShift() [L508] COND FALSE !(\read(pumpRunning)) [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L537] int tmp ; [L540] COND FALSE !(\read(pumpRunning)) [L555] FCALL processEnvironment__wrappee__base() [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification4_spec__1() [L428] int tmp ; [L429] int tmp___0 ; [L433] CALL, EXPR getWaterLevel() [L767] int retValue_acc ; [L770] retValue_acc = waterLevel [L771] return (retValue_acc); [L433] RET, EXPR getWaterLevel() [L433] tmp = getWaterLevel() [L435] COND FALSE !(tmp == 0) [L523] RET __utac_acc__Specification4_spec__1() [L939] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 894]: 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; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L696] int waterLevel = 1; [L697] int methaneLevelCritical = 0; [L785] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] int retValue_acc ; [L860] int tmp ; [L864] FCALL select_helpers() [L865] FCALL select_features() [L866] CALL, EXPR valid_product() [L482] int retValue_acc ; [L485] retValue_acc = 1 [L486] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L866] RET, EXPR valid_product() [L866] tmp = valid_product() [L868] COND TRUE \read(tmp) [L870] FCALL setup() [L871] CALL runTest() [L853] CALL test() [L883] int splverifierCounter ; [L884] int tmp ; [L885] int tmp___0 ; [L886] int tmp___1 ; [L887] int tmp___2 ; [L890] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L894] COND TRUE splverifierCounter < 4 [L900] tmp = __VERIFIER_nondet_int() [L902] COND FALSE !(\read(tmp)) [L910] tmp___0 = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp___0)) [L920] tmp___2 = __VERIFIER_nondet_int() [L922] COND TRUE \read(tmp___2) [L924] CALL startSystem() [L689] systemActive = 1 [L924] RET startSystem() [L939] CALL timeShift() [L508] COND FALSE !(\read(pumpRunning)) [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L537] int tmp ; [L540] COND FALSE !(\read(pumpRunning)) [L555] FCALL processEnvironment__wrappee__base() [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification4_spec__1() [L428] int tmp ; [L429] int tmp___0 ; [L433] CALL, EXPR getWaterLevel() [L767] int retValue_acc ; [L770] retValue_acc = waterLevel [L771] return (retValue_acc); [L433] RET, EXPR getWaterLevel() [L433] tmp = getWaterLevel() [L435] COND FALSE !(tmp == 0) [L523] RET __utac_acc__Specification4_spec__1() [L939] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:47:31,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)