./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product35.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 ef69c83623105b68e3213a0f6e5530f40867a5bc091f925c8e4d647572a9cdfc --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:40:35,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:40:35,097 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:40:35,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:40:35,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:40:35,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:40:35,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:40:35,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:40:35,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:40:35,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:40:35,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:40:35,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:40:35,130 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:40:35,131 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:40:35,132 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:40:35,132 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:40:35,133 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:40:35,135 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:40:35,135 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:40:35,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:40:35,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:40:35,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:40:35,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:40:35,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:40:35,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:40:35,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:40:35,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:40:35,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:40:35,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:40:35,137 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:40:35,137 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:40:35,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:40:35,137 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:40:35,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:40:35,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:40:35,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:40:35,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:40:35,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:40:35,138 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:40:35,138 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef69c83623105b68e3213a0f6e5530f40867a5bc091f925c8e4d647572a9cdfc [2024-11-12 21:40:35,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:40:35,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:40:35,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:40:35,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:40:35,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:40:35,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2024-11-12 21:40:36,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:40:36,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:40:36,830 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2024-11-12 21:40:36,841 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9fa808a/8bf4b044715e468586b0030c6f1a112c/FLAG6b8d0155a [2024-11-12 21:40:37,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9fa808a/8bf4b044715e468586b0030c6f1a112c [2024-11-12 21:40:37,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:40:37,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:40:37,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:40:37,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:40:37,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:40:37,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3144edd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37, skipping insertion in model container [2024-11-12 21:40:37,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:40:37,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:40:37,537 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:40:37,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-12 21:40:37,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [121] [2024-11-12 21:40:37,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [150] [2024-11-12 21:40:37,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [324] [2024-11-12 21:40:37,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [423] [2024-11-12 21:40:37,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [789] [2024-11-12 21:40:37,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [798] [2024-11-12 21:40:37,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [833] [2024-11-12 21:40:37,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:40:37,639 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:40:37,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37 WrapperNode [2024-11-12 21:40:37,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:40:37,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:40:37,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:40:37,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:40:37,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,679 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 52, statements flattened = 346 [2024-11-12 21:40:37,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:40:37,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:40:37,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:40:37,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:40:37,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,714 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 21:40:37,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:40:37,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:40:37,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:40:37,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:40:37,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (1/1) ... [2024-11-12 21:40:37,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:40:37,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:40:37,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:40:37,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 21:40:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:40:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:40:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:40:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:40:37,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:40:37,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:40:38,217 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-12 21:40:38,218 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:40:38,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:40:38,234 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:40:38,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:40:38 BoogieIcfgContainer [2024-11-12 21:40:38,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:40:38,235 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:40:38,235 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:40:38,239 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:40:38,240 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:40:38,241 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:40:37" (1/3) ... [2024-11-12 21:40:38,242 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23ccb203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:40:38, skipping insertion in model container [2024-11-12 21:40:38,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:40:38,242 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:40:37" (2/3) ... [2024-11-12 21:40:38,243 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23ccb203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:40:38, skipping insertion in model container [2024-11-12 21:40:38,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:40:38,244 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:40:38" (3/3) ... [2024-11-12 21:40:38,245 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product35.cil.c [2024-11-12 21:40:38,297 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:40:38,297 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:40:38,297 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:40:38,298 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:40:38,298 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:40:38,298 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:40:38,298 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:40:38,298 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:40:38,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:40:38,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-12 21:40:38,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:40:38,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:40:38,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:40:38,331 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:40:38,331 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:40:38,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:40:38,338 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-12 21:40:38,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:40:38,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:40:38,339 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:40:38,339 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:40:38,345 INFO L747 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:40:38,345 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#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__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:40:38,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:40:38,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-12 21:40:38,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:40:38,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918262947] [2024-11-12 21:40:38,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:38,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:40:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:38,442 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:40:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:38,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:40:38,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:40:38,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1486865786, now seen corresponding path program 1 times [2024-11-12 21:40:38,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:40:38,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441641115] [2024-11-12 21:40:38,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:38,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:40:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:38,482 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:40:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:38,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:40:38,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:40:38,491 INFO L85 PathProgramCache]: Analyzing trace with hash -131446710, now seen corresponding path program 1 times [2024-11-12 21:40:38,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:40:38,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663630746] [2024-11-12 21:40:38,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:38,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:40:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:40:38,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:40:38,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663630746] [2024-11-12 21:40:38,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663630746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:40:38,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42608880] [2024-11-12 21:40:38,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:38,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:40:38,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:40:38,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:40:38,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:40:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:40:38,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:40:38,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:40:38,801 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:40:38,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42608880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:40:38,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:40:38,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-12 21:40:38,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457266756] [2024-11-12 21:40:38,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:40:38,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:40:38,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 21:40:38,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 21:40:38,937 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 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 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:40:39,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:40:39,055 INFO L93 Difference]: Finished difference Result 269 states and 347 transitions. [2024-11-12 21:40:39,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 347 transitions. [2024-11-12 21:40:39,065 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 171 [2024-11-12 21:40:39,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 317 transitions. [2024-11-12 21:40:39,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2024-11-12 21:40:39,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2024-11-12 21:40:39,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 317 transitions. [2024-11-12 21:40:39,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:40:39,080 INFO L218 hiAutomatonCegarLoop]: Abstraction has 239 states and 317 transitions. [2024-11-12 21:40:39,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 317 transitions. [2024-11-12 21:40:39,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 148. [2024-11-12 21:40:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.3243243243243243) internal successors, (196), 147 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:40:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2024-11-12 21:40:39,109 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 196 transitions. [2024-11-12 21:40:39,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 21:40:39,115 INFO L426 stractBuchiCegarLoop]: Abstraction has 148 states and 196 transitions. [2024-11-12 21:40:39,115 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:40:39,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 196 transitions. [2024-11-12 21:40:39,116 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 106 [2024-11-12 21:40:39,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:40:39,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:40:39,117 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:40:39,117 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:40:39,117 INFO L747 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:40:39,117 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#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;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:40:39,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:40:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-12 21:40:39,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:40:39,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056942298] [2024-11-12 21:40:39,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:39,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:40:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:39,134 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:40:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:39,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:40:39,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:40:39,146 INFO L85 PathProgramCache]: Analyzing trace with hash 101415120, now seen corresponding path program 1 times [2024-11-12 21:40:39,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:40:39,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636983647] [2024-11-12 21:40:39,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:39,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:40:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:40:39,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:40:39,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636983647] [2024-11-12 21:40:39,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636983647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:40:39,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467029037] [2024-11-12 21:40:39,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:39,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:40:39,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:40:39,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:40:39,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 21:40:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:40:39,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:40:39,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:40:39,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:40:39,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467029037] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:40:39,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:40:39,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:40:39,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285689688] [2024-11-12 21:40:39,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:40:39,248 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:40:39,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:40:39,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:40:39,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:40:39,249 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:40:39,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:40:39,301 INFO L93 Difference]: Finished difference Result 195 states and 247 transitions. [2024-11-12 21:40:39,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 247 transitions. [2024-11-12 21:40:39,302 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 143 [2024-11-12 21:40:39,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 195 states and 247 transitions. [2024-11-12 21:40:39,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2024-11-12 21:40:39,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2024-11-12 21:40:39,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 247 transitions. [2024-11-12 21:40:39,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:40:39,310 INFO L218 hiAutomatonCegarLoop]: Abstraction has 195 states and 247 transitions. [2024-11-12 21:40:39,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 247 transitions. [2024-11-12 21:40:39,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-12 21:40:39,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 195 states have (on average 1.2666666666666666) internal successors, (247), 194 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:40:39,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2024-11-12 21:40:39,322 INFO L240 hiAutomatonCegarLoop]: Abstraction has 195 states and 247 transitions. [2024-11-12 21:40:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:40:39,324 INFO L426 stractBuchiCegarLoop]: Abstraction has 195 states and 247 transitions. [2024-11-12 21:40:39,324 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:40:39,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 195 states and 247 transitions. [2024-11-12 21:40:39,325 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 143 [2024-11-12 21:40:39,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:40:39,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:40:39,326 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:40:39,326 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:40:39,326 INFO L747 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:40:39,326 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#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;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1;" "assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment_#t~ret10#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret10#1;havoc processEnvironment_#t~ret10#1;" "assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:40:39,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:40:39,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-12 21:40:39,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:40:39,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451546514] [2024-11-12 21:40:39,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:39,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:40:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:39,339 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:40:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:39,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:40:39,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:40:39,347 INFO L85 PathProgramCache]: Analyzing trace with hash 477065080, now seen corresponding path program 1 times [2024-11-12 21:40:39,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:40:39,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872534123] [2024-11-12 21:40:39,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:39,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:40:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:39,357 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:40:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:39,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:40:39,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:40:39,372 INFO L85 PathProgramCache]: Analyzing trace with hash -773939660, now seen corresponding path program 1 times [2024-11-12 21:40:39,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:40:39,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586247572] [2024-11-12 21:40:39,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:40:39,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:40:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:39,383 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:40:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:39,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:40:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:40,090 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:40:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:40:40,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:40:40 BoogieIcfgContainer [2024-11-12 21:40:40,132 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:40:40,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:40:40,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:40:40,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:40:40,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:40:38" (3/4) ... [2024-11-12 21:40:40,136 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:40:40,179 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:40:40,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:40:40,179 INFO L158 Benchmark]: Toolchain (without parser) took 2961.80ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 140.3MB in the beginning and 145.7MB in the end (delta: -5.5MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-12 21:40:40,179 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:40:40,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.19ms. Allocated memory is still 172.0MB. Free memory was 140.3MB in the beginning and 119.7MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 21:40:40,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.87ms. Allocated memory is still 172.0MB. Free memory was 119.7MB in the beginning and 116.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:40:40,180 INFO L158 Benchmark]: Boogie Preprocessor took 56.30ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:40:40,180 INFO L158 Benchmark]: RCFGBuilder took 497.22ms. Allocated memory is still 172.0MB. Free memory was 114.5MB in the beginning and 129.1MB in the end (delta: -14.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 21:40:40,181 INFO L158 Benchmark]: BuchiAutomizer took 1897.06ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 129.1MB in the beginning and 148.9MB in the end (delta: -19.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-12 21:40:40,181 INFO L158 Benchmark]: Witness Printer took 44.63ms. Allocated memory is still 207.6MB. Free memory was 148.9MB in the beginning and 145.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:40:40,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.19ms. Allocated memory is still 172.0MB. Free memory was 140.3MB in the beginning and 119.7MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.87ms. Allocated memory is still 172.0MB. Free memory was 119.7MB in the beginning and 116.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.30ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.22ms. Allocated memory is still 172.0MB. Free memory was 114.5MB in the beginning and 129.1MB in the end (delta: -14.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1897.06ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 129.1MB in the beginning and 148.9MB in the end (delta: -19.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 44.63ms. Allocated memory is still 207.6MB. Free memory was 148.9MB in the beginning and 145.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [121] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [150] - GenericResultAtLocation [Line: 324]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [324] - GenericResultAtLocation [Line: 423]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [423] - GenericResultAtLocation [Line: 789]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [789] - GenericResultAtLocation [Line: 798]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [798] - GenericResultAtLocation [Line: 833]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [833] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 195 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 91 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, 344 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 344 mSDsluCounter, 1079 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 804 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 275 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L325] int cleanupTimeShifts = 4; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] int retValue_acc ; [L402] int tmp ; [L406] FCALL select_helpers() [L407] FCALL select_features() [L408] CALL, EXPR valid_product() [L825] int retValue_acc ; [L828] retValue_acc = 1 [L829] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L408] RET, EXPR valid_product() [L408] tmp = valid_product() [L410] COND TRUE \read(tmp) [L412] FCALL setup() [L413] CALL runTest() [L392] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L914] int retValue_acc ; [L917] COND TRUE waterLevel < 2 [L918] retValue_acc = 1 [L919] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L207] FCALL processEnvironment__wrappee__base() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L126] int tmp ; [L127] int tmp___0 ; [L131] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L131] RET, EXPR getWaterLevel() [L131] tmp = getWaterLevel() [L133] COND FALSE !(tmp == 0) [L180] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L325] int cleanupTimeShifts = 4; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] int retValue_acc ; [L402] int tmp ; [L406] FCALL select_helpers() [L407] FCALL select_features() [L408] CALL, EXPR valid_product() [L825] int retValue_acc ; [L828] retValue_acc = 1 [L829] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L408] RET, EXPR valid_product() [L408] tmp = valid_product() [L410] COND TRUE \read(tmp) [L412] FCALL setup() [L413] CALL runTest() [L392] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L914] int retValue_acc ; [L917] COND TRUE waterLevel < 2 [L918] retValue_acc = 1 [L919] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L207] FCALL processEnvironment__wrappee__base() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L126] int tmp ; [L127] int tmp___0 ; [L131] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L131] RET, EXPR getWaterLevel() [L131] tmp = getWaterLevel() [L133] COND FALSE !(tmp == 0) [L180] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:40:40,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 21:40:40,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 21:40:40,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)