./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product46.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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:56:29,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:56:29,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:56:29,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:56:29,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:56:29,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:56:29,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:56:29,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:56:29,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:56:29,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:56:29,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:56:29,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:56:29,574 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:56:29,574 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:56:29,576 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:56:29,576 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:56:29,576 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:56:29,576 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:56:29,577 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:56:29,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:56:29,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:56:29,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:56:29,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:56:29,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:56:29,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:56:29,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:56:29,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:56:29,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:56:29,583 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:56:29,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:56:29,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:56:29,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:56:29,584 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:56:29,584 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:56:29,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:56:29,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:56:29,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:56:29,585 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:56:29,585 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:56:29,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2024-11-19 14:56:29,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:56:29,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:56:29,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:56:29,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:56:29,903 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:56:29,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2024-11-19 14:56:31,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:56:31,559 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:56:31,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2024-11-19 14:56:31,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b33fe571/44f2ff9eb3134d26ae5ea975845b6318/FLAGe46d82078 [2024-11-19 14:56:31,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b33fe571/44f2ff9eb3134d26ae5ea975845b6318 [2024-11-19 14:56:31,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:56:31,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:56:31,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:31,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:56:31,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:56:31,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:31" (1/1) ... [2024-11-19 14:56:31,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe1735f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:31, skipping insertion in model container [2024-11-19 14:56:31,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:31" (1/1) ... [2024-11-19 14:56:31,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:56:32,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:32,347 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:56:32,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-19 14:56:32,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-19 14:56:32,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333] [2024-11-19 14:56:32,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432] [2024-11-19 14:56:32,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [467] [2024-11-19 14:56:32,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [476] [2024-11-19 14:56:32,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [502] [2024-11-19 14:56:32,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [597] [2024-11-19 14:56:32,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:32,470 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:56:32,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32 WrapperNode [2024-11-19 14:56:32,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:32,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:32,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:56:32,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:56:32,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,546 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 99, statements flattened = 660 [2024-11-19 14:56:32,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:32,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:56:32,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:56:32,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:56:32,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,563 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,591 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]. [2024-11-19 14:56:32,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:56:32,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:56:32,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:56:32,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:56:32,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:56:32,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:56:32,681 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) [2024-11-19 14:56:32,684 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 [2024-11-19 14:56:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:56:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:56:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:56:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:56:32,807 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:56:32,809 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:56:33,290 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-19 14:56:33,290 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:56:33,310 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:56:33,311 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:56:33,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:33 BoogieIcfgContainer [2024-11-19 14:56:33,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:56:33,312 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:56:33,313 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:56:33,316 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:56:33,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:33,318 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:56:31" (1/3) ... [2024-11-19 14:56:33,319 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49506449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:33, skipping insertion in model container [2024-11-19 14:56:33,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:33,319 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (2/3) ... [2024-11-19 14:56:33,320 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49506449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:33, skipping insertion in model container [2024-11-19 14:56:33,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:33,321 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:33" (3/3) ... [2024-11-19 14:56:33,323 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2024-11-19 14:56:33,370 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:56:33,370 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:56:33,370 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:56:33,370 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:56:33,370 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:56:33,370 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:56:33,370 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:56:33,371 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:56:33,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 184 states, 183 states have (on average 1.349726775956284) internal successors, (247), 183 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) [2024-11-19 14:56:33,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2024-11-19 14:56:33,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:33,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:33,410 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,410 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,410 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:56:33,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 184 states, 183 states have (on average 1.349726775956284) internal successors, (247), 183 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) [2024-11-19 14:56:33,424 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2024-11-19 14:56:33,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:33,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:33,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,429 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,436 INFO L745 eck$LassoCheckResult]: Stem: 40#$Ultimate##0true 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 57#L-1true 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~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 36#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 151#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 129#valid_product_returnLabel#1true main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 9#L419true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 99#setup_returnLabel#1true 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; 55#L65-2true [2024-11-19 14:56:33,437 INFO L747 eck$LassoCheckResult]: Loop: 55#L65-2true assume !false; 46#L66true assume test_~splverifierCounter~0#1 < 4; 170#L67true havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 81#L75true assume !(0 != test_~tmp~0#1); 166#L75-2true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 48#L85true assume !(0 != test_~tmp___0~0#1); 10#L85-2true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 127#L95true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 73#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 136#L103-2true assume { :begin_inline_timeShift } true; 86#L138true assume !(0 != ~pumpRunning~0); 131#L138-2true assume !(0 != ~systemActive~0); 91#L145-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 87#isMethaneLevelCritical_returnLabel#4true __utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 134#L485true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 109#L485-1true havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 83#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 55#L65-2true [2024-11-19 14:56:33,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-19 14:56:33,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346488961] [2024-11-19 14:56:33,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:33,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:33,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,620 INFO L85 PathProgramCache]: Analyzing trace with hash -633142397, now seen corresponding path program 1 times [2024-11-19 14:56:33,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075702893] [2024-11-19 14:56:33,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:33,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:56:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:56:33,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:56:33,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075702893] [2024-11-19 14:56:33,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075702893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:56:33,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:56:33,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:56:33,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841013412] [2024-11-19 14:56:33,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:56:33,745 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:56:33,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:56:33,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:56:33,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:56:33,784 INFO L87 Difference]: Start difference. First operand has 184 states, 183 states have (on average 1.349726775956284) internal successors, (247), 183 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) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-19 14:56:33,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:56:33,831 INFO L93 Difference]: Finished difference Result 178 states and 231 transitions. [2024-11-19 14:56:33,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 178 states and 231 transitions. [2024-11-19 14:56:33,841 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2024-11-19 14:56:33,848 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 178 states to 168 states and 220 transitions. [2024-11-19 14:56:33,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 168 [2024-11-19 14:56:33,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 168 [2024-11-19 14:56:33,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 168 states and 220 transitions. [2024-11-19 14:56:33,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:56:33,854 INFO L218 hiAutomatonCegarLoop]: Abstraction has 168 states and 220 transitions. [2024-11-19 14:56:33,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states and 220 transitions. [2024-11-19 14:56:33,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-11-19 14:56:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 168 states have (on average 1.3095238095238095) internal successors, (220), 167 states have internal predecessors, (220), 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) [2024-11-19 14:56:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 220 transitions. [2024-11-19 14:56:33,896 INFO L240 hiAutomatonCegarLoop]: Abstraction has 168 states and 220 transitions. [2024-11-19 14:56:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:56:33,903 INFO L425 stractBuchiCegarLoop]: Abstraction has 168 states and 220 transitions. [2024-11-19 14:56:33,903 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:56:33,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 220 transitions. [2024-11-19 14:56:33,905 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2024-11-19 14:56:33,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:33,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:33,910 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,910 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] [2024-11-19 14:56:33,910 INFO L745 eck$LassoCheckResult]: Stem: 434#$Ultimate##0 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 435#L-1 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~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 430#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 431#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 521#valid_product_returnLabel#1 main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 381#L419 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 382#setup_returnLabel#1 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; 460#L65-2 [2024-11-19 14:56:33,910 INFO L747 eck$LassoCheckResult]: Loop: 460#L65-2 assume !false; 444#L66 assume test_~splverifierCounter~0#1 < 4; 445#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 481#L75 assume !(0 != test_~tmp~0#1); 462#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 449#L85 assume !(0 != test_~tmp___0~0#1); 383#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 384#L95 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 520#L103 assume 0 != test_~tmp___1~0#1; 474#L103-2 assume { :begin_inline_timeShift } true; 491#L138 assume !(0 != ~pumpRunning~0); 401#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 493#L196 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 469#L170-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 371#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 372#L170-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 471#L196-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 495#L145-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 489#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 490#L485 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 510#L485-1 havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 483#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 460#L65-2 [2024-11-19 14:56:33,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-19 14:56:33,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823053110] [2024-11-19 14:56:33,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:56:33,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,936 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:56:33,940 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:56:33,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:33,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1976614155, now seen corresponding path program 1 times [2024-11-19 14:56:33,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636100905] [2024-11-19 14:56:33,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:33,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:56:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:56:34,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:56:34,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636100905] [2024-11-19 14:56:34,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636100905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:56:34,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:56:34,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:56:34,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583866543] [2024-11-19 14:56:34,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:56:34,002 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:56:34,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:56:34,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:56:34,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:56:34,004 INFO L87 Difference]: Start difference. First operand 168 states and 220 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:56:34,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:56:34,101 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2024-11-19 14:56:34,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 289 transitions. [2024-11-19 14:56:34,103 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2024-11-19 14:56:34,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 230 states and 289 transitions. [2024-11-19 14:56:34,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 230 [2024-11-19 14:56:34,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 230 [2024-11-19 14:56:34,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 230 states and 289 transitions. [2024-11-19 14:56:34,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:56:34,107 INFO L218 hiAutomatonCegarLoop]: Abstraction has 230 states and 289 transitions. [2024-11-19 14:56:34,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states and 289 transitions. [2024-11-19 14:56:34,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-19 14:56:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 230 states have (on average 1.2565217391304349) internal successors, (289), 229 states have internal predecessors, (289), 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) [2024-11-19 14:56:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 289 transitions. [2024-11-19 14:56:34,120 INFO L240 hiAutomatonCegarLoop]: Abstraction has 230 states and 289 transitions. [2024-11-19 14:56:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:56:34,121 INFO L425 stractBuchiCegarLoop]: Abstraction has 230 states and 289 transitions. [2024-11-19 14:56:34,121 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:56:34,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 230 states and 289 transitions. [2024-11-19 14:56:34,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2024-11-19 14:56:34,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:34,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:34,124 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:34,125 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, 1, 1, 1] [2024-11-19 14:56:34,125 INFO L745 eck$LassoCheckResult]: Stem: 838#$Ultimate##0 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 839#L-1 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~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 832#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 833#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 939#valid_product_returnLabel#1 main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 783#L419 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 784#setup_returnLabel#1 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; 864#L65-2 [2024-11-19 14:56:34,125 INFO L747 eck$LassoCheckResult]: Loop: 864#L65-2 assume !false; 848#L66 assume test_~splverifierCounter~0#1 < 4; 849#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 993#L75 assume !(0 != test_~tmp~0#1); 991#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 984#L85 assume !(0 != test_~tmp___0~0#1); 980#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 937#L95 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 938#L103 assume 0 != test_~tmp___1~0#1; 880#L103-2 assume { :begin_inline_timeShift } true; 899#L138 assume !(0 != ~pumpRunning~0); 900#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 903#L196 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 876#L170-2 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~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 858#L587-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 859#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 865#L315-3 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 877#L315-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 949#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1#1 := processEnvironment__wrappee__methaneQuery_#t~ret8#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1; 793#L174-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 795#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 823#L170-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 878#L196-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 904#L145-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 901#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 902#L485 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 921#L485-1 havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 893#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 864#L65-2 [2024-11-19 14:56:34,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:34,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-19 14:56:34,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:34,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134403832] [2024-11-19 14:56:34,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:56:34,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:34,165 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:56:34,165 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:56:34,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:34,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:34,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:34,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1357396749, now seen corresponding path program 1 times [2024-11-19 14:56:34,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:34,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407690440] [2024-11-19 14:56:34,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:34,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:34,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:34,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:34,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:34,250 INFO L85 PathProgramCache]: Analyzing trace with hash 106414801, now seen corresponding path program 1 times [2024-11-19 14:56:34,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:34,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532982794] [2024-11-19 14:56:34,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:34,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:34,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:34,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:35,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:35,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:56:35 BoogieIcfgContainer [2024-11-19 14:56:35,328 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:56:35,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:56:35,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:56:35,328 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:56:35,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:33" (3/4) ... [2024-11-19 14:56:35,333 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:56:35,390 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:56:35,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:56:35,391 INFO L158 Benchmark]: Toolchain (without parser) took 3486.34ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 68.2MB in the beginning and 68.9MB in the end (delta: -712.9kB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-19 14:56:35,392 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:56:35,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.73ms. Allocated memory is still 140.5MB. Free memory was 67.9MB in the beginning and 96.7MB in the end (delta: -28.7MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-19 14:56:35,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.65ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 92.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:56:35,393 INFO L158 Benchmark]: Boogie Preprocessor took 90.04ms. Allocated memory is still 140.5MB. Free memory was 92.5MB in the beginning and 89.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:56:35,393 INFO L158 Benchmark]: RCFGBuilder took 673.15ms. Allocated memory is still 140.5MB. Free memory was 89.0MB in the beginning and 88.3MB in the end (delta: 660.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 14:56:35,393 INFO L158 Benchmark]: BuchiAutomizer took 2015.15ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 88.3MB in the beginning and 72.0MB in the end (delta: 16.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-11-19 14:56:35,394 INFO L158 Benchmark]: Witness Printer took 62.54ms. Allocated memory is still 169.9MB. Free memory was 72.0MB in the beginning and 68.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:35,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.73ms. Allocated memory is still 140.5MB. Free memory was 67.9MB in the beginning and 96.7MB in the end (delta: -28.7MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.65ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 92.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.04ms. Allocated memory is still 140.5MB. Free memory was 92.5MB in the beginning and 89.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 673.15ms. Allocated memory is still 140.5MB. Free memory was 89.0MB in the beginning and 88.3MB in the end (delta: 660.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2015.15ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 88.3MB in the beginning and 72.0MB in the end (delta: 16.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Witness Printer took 62.54ms. Allocated memory is still 169.9MB. Free memory was 72.0MB in the beginning and 68.9MB 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,"MinePump.i","") [121] - GenericResultAtLocation [Line: 333]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432] - GenericResultAtLocation [Line: 467]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [467] - GenericResultAtLocation [Line: 476]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [476] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [502] - GenericResultAtLocation [Line: 597]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [597] * 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 3 locations. The remainder module has 230 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 388 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 388 mSDsluCounter, 526 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 433 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L504] int waterLevel = 1; [L505] int methaneLevelCritical = 0; [L767] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L410] int retValue_acc ; [L411] int tmp ; [L415] FCALL select_helpers() [L416] FCALL select_features() [L417] CALL, EXPR valid_product() [L459] int retValue_acc ; [L462] retValue_acc = 1 [L463] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] RET, EXPR valid_product() [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L421] FCALL setup() [L422] CALL runTest() [L401] 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 FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND TRUE \read(tmp___1) [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L193] int tmp ; [L196] COND FALSE !(\read(pumpRunning)) [L211] CALL processEnvironment__wrappee__methaneQuery() [L167] int tmp ; [L170] COND TRUE ! pumpRunning [L172] CALL, EXPR isHighWaterLevel() [L307] int retValue_acc ; [L308] int tmp ; [L309] int tmp___0 ; [L313] CALL, EXPR isHighWaterSensorDry() [L584] int retValue_acc ; [L587] COND TRUE waterLevel < 2 [L588] retValue_acc = 1 [L589] return (retValue_acc); [L313] RET, EXPR isHighWaterSensorDry() [L313] tmp = isHighWaterSensorDry() [L315] COND TRUE \read(tmp) [L316] tmp___0 = 0 [L320] retValue_acc = tmp___0 [L321] return (retValue_acc); [L172] RET, EXPR isHighWaterLevel() [L172] tmp = isHighWaterLevel() [L174] COND FALSE !(\read(tmp)) [L180] FCALL processEnvironment__wrappee__base() [L211] RET processEnvironment__wrappee__methaneQuery() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification1_spec__1() [L478] int tmp ; [L479] int tmp___0 ; [L483] CALL, EXPR isMethaneLevelCritical() [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L483] RET, EXPR isMethaneLevelCritical() [L483] tmp = isMethaneLevelCritical() [L485] COND FALSE !(\read(tmp)) [L153] RET __utac_acc__Specification1_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: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L504] int waterLevel = 1; [L505] int methaneLevelCritical = 0; [L767] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L410] int retValue_acc ; [L411] int tmp ; [L415] FCALL select_helpers() [L416] FCALL select_features() [L417] CALL, EXPR valid_product() [L459] int retValue_acc ; [L462] retValue_acc = 1 [L463] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] RET, EXPR valid_product() [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L421] FCALL setup() [L422] CALL runTest() [L401] 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 FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND TRUE \read(tmp___1) [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L193] int tmp ; [L196] COND FALSE !(\read(pumpRunning)) [L211] CALL processEnvironment__wrappee__methaneQuery() [L167] int tmp ; [L170] COND TRUE ! pumpRunning [L172] CALL, EXPR isHighWaterLevel() [L307] int retValue_acc ; [L308] int tmp ; [L309] int tmp___0 ; [L313] CALL, EXPR isHighWaterSensorDry() [L584] int retValue_acc ; [L587] COND TRUE waterLevel < 2 [L588] retValue_acc = 1 [L589] return (retValue_acc); [L313] RET, EXPR isHighWaterSensorDry() [L313] tmp = isHighWaterSensorDry() [L315] COND TRUE \read(tmp) [L316] tmp___0 = 0 [L320] retValue_acc = tmp___0 [L321] return (retValue_acc); [L172] RET, EXPR isHighWaterLevel() [L172] tmp = isHighWaterLevel() [L174] COND FALSE !(\read(tmp)) [L180] FCALL processEnvironment__wrappee__base() [L211] RET processEnvironment__wrappee__methaneQuery() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification1_spec__1() [L478] int tmp ; [L479] int tmp___0 ; [L483] CALL, EXPR isMethaneLevelCritical() [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L483] RET, EXPR isMethaneLevelCritical() [L483] tmp = isMethaneLevelCritical() [L485] COND FALSE !(\read(tmp)) [L153] RET __utac_acc__Specification1_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:56:35,430 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)