./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d 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_spec2_product02.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 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 16:01:47,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 16:01:48,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 16:01:48,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 16:01:48,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 16:01:48,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 16:01:48,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 16:01:48,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 16:01:48,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 16:01:48,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 16:01:48,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 16:01:48,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 16:01:48,044 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 16:01:48,045 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 16:01:48,045 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 16:01:48,045 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 16:01:48,046 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 16:01:48,046 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 16:01:48,046 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 16:01:48,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 16:01:48,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 16:01:48,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 16:01:48,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 16:01:48,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 16:01:48,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 16:01:48,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 16:01:48,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 16:01:48,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 16:01:48,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 16:01:48,051 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 16:01:48,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 16:01:48,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 16:01:48,052 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 16:01:48,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 16:01:48,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 16:01:48,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 16:01:48,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 16:01:48,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 16:01:48,053 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 16:01:48,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b [2024-11-09 16:01:48,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 16:01:48,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 16:01:48,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 16:01:48,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 16:01:48,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 16:01:48,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2024-11-09 16:01:49,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 16:01:49,959 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 16:01:49,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2024-11-09 16:01:49,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb8eafd4/f89c9b60a79f40499817b4c5ef790fcb/FLAGa7ad88f90 [2024-11-09 16:01:49,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb8eafd4/f89c9b60a79f40499817b4c5ef790fcb [2024-11-09 16:01:49,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 16:01:49,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 16:01:49,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 16:01:49,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 16:01:50,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 16:01:50,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:01:49" (1/1) ... [2024-11-09 16:01:50,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d7e94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50, skipping insertion in model container [2024-11-09 16:01:50,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:01:49" (1/1) ... [2024-11-09 16:01:50,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 16:01:50,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:01:50,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 16:01:50,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-09 16:01:50,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-09 16:01:50,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [173] [2024-11-09 16:01:50,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [214] [2024-11-09 16:01:50,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [580] [2024-11-09 16:01:50,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [680] [2024-11-09 16:01:50,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [798] [2024-11-09 16:01:50,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [865] [2024-11-09 16:01:50,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:01:50,465 INFO L204 MainTranslator]: Completed translation [2024-11-09 16:01:50,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50 WrapperNode [2024-11-09 16:01:50,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 16:01:50,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 16:01:50,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 16:01:50,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 16:01:50,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,530 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 44, calls inlined = 37, statements flattened = 247 [2024-11-09 16:01:50,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 16:01:50,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 16:01:50,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 16:01:50,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 16:01:50,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,571 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]. [2024-11-09 16:01:50,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 16:01:50,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 16:01:50,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 16:01:50,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 16:01:50,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (1/1) ... [2024-11-09 16:01:50,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:01:50,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:01:50,632 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) [2024-11-09 16:01:50,635 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 [2024-11-09 16:01:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 16:01:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 16:01:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 16:01:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 16:01:50,793 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 16:01:50,796 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 16:01:51,092 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-09 16:01:51,093 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 16:01:51,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 16:01:51,109 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 16:01:51,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:01:51 BoogieIcfgContainer [2024-11-09 16:01:51,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 16:01:51,111 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 16:01:51,111 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 16:01:51,115 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 16:01:51,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:01:51,116 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 04:01:49" (1/3) ... [2024-11-09 16:01:51,117 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a5c02a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:01:51, skipping insertion in model container [2024-11-09 16:01:51,117 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:01:51,117 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:50" (2/3) ... [2024-11-09 16:01:51,118 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a5c02a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:01:51, skipping insertion in model container [2024-11-09 16:01:51,118 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:01:51,118 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:01:51" (3/3) ... [2024-11-09 16:01:51,119 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2024-11-09 16:01:51,175 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 16:01:51,175 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 16:01:51,176 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 16:01:51,176 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 16:01:51,176 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 16:01:51,176 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 16:01:51,177 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 16:01:51,177 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 16:01:51,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 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) [2024-11-09 16:01:51,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2024-11-09 16:01:51,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:51,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:51,212 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:51,212 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:51,212 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 16:01:51,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 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) [2024-11-09 16:01:51,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2024-11-09 16:01:51,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:51,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:51,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:51,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:51,226 INFO L745 eck$LassoCheckResult]: Stem: 32#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 45#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 21#valid_product_returnLabel#1true main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 46#L667true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 4#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 42#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 28#L809-2true [2024-11-09 16:01:51,226 INFO L747 eck$LassoCheckResult]: Loop: 28#L809-2true assume !false; 5#L810true assume test_~splverifierCounter~0#1 < 4; 10#L811true havoc test_#t~nondet45#1;test_~tmp~5#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 57#L819true assume !(0 != test_~tmp~5#1); 43#L819-2true havoc test_#t~nondet46#1;test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 13#L829true assume !(0 != test_~tmp___0~1#1); 31#L829-2true havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 35#L839true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet48#1;test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 49#L847true assume 0 != test_~tmp___1~0#1; 79#L847-2true assume { :begin_inline_timeShift } true; 44#L691true assume !(0 != ~pumpRunning~0); 41#L691-2true assume !(0 != ~systemActive~0); 30#L698-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 67#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 70#L193true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 38#L193-1true havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 77#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 28#L809-2true [2024-11-09 16:01:51,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:51,232 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-09 16:01:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:51,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135762377] [2024-11-09 16:01:51,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:51,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:51,396 INFO L85 PathProgramCache]: Analyzing trace with hash 134778252, now seen corresponding path program 1 times [2024-11-09 16:01:51,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:51,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412917293] [2024-11-09 16:01:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:51,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:51,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:51,423 INFO L85 PathProgramCache]: Analyzing trace with hash -601163325, now seen corresponding path program 1 times [2024-11-09 16:01:51,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:51,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596902430] [2024-11-09 16:01:51,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:51,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:01:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 16:01:51,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:01:51,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596902430] [2024-11-09 16:01:51,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596902430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:01:51,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:01:51,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 16:01:51,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717529845] [2024-11-09 16:01:51,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:01:51,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:01:51,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 16:01:51,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 16:01:51,796 INFO L87 Difference]: Start difference. First operand has 83 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 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 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-09 16:01:51,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:01:51,871 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2024-11-09 16:01:51,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 96 transitions. [2024-11-09 16:01:51,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2024-11-09 16:01:51,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 67 states and 86 transitions. [2024-11-09 16:01:51,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2024-11-09 16:01:51,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2024-11-09 16:01:51,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 86 transitions. [2024-11-09 16:01:51,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:01:51,881 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-09 16:01:51,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 86 transitions. [2024-11-09 16:01:51,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-09 16:01:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 66 states have internal predecessors, (86), 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) [2024-11-09 16:01:51,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2024-11-09 16:01:51,910 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-09 16:01:51,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 16:01:51,915 INFO L425 stractBuchiCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-09 16:01:51,917 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 16:01:51,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 86 transitions. [2024-11-09 16:01:51,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2024-11-09 16:01:51,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:51,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:51,921 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:51,921 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:51,921 INFO L745 eck$LassoCheckResult]: Stem: 216#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 217#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 208#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 209#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 205#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 206#L667 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 178#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 179#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 210#L809-2 [2024-11-09 16:01:51,921 INFO L747 eck$LassoCheckResult]: Loop: 210#L809-2 assume !false; 180#L810 assume test_~splverifierCounter~0#1 < 4; 181#L811 havoc test_#t~nondet45#1;test_~tmp~5#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 190#L819 assume !(0 != test_~tmp~5#1); 231#L819-2 havoc test_#t~nondet46#1;test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 192#L829 assume !(0 != test_~tmp___0~1#1); 194#L829-2 havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 213#L839 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 219#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 235#L847-2 assume { :begin_inline_timeShift } true; 229#L691 assume !(0 != ~pumpRunning~0); 226#L691-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 203#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 204#L698-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 212#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 243#L193 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 184#L193-1 havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 224#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 210#L809-2 [2024-11-09 16:01:51,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:51,922 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-09 16:01:51,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:51,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678823718] [2024-11-09 16:01:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:51,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:51,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:51,963 INFO L85 PathProgramCache]: Analyzing trace with hash 91438222, now seen corresponding path program 1 times [2024-11-09 16:01:51,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:51,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674854217] [2024-11-09 16:01:51,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:51,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:51,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:51,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1247914185, now seen corresponding path program 1 times [2024-11-09 16:01:51,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:51,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898467059] [2024-11-09 16:01:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:51,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:52,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:52,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:52,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 04:01:52 BoogieIcfgContainer [2024-11-09 16:01:52,986 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 16:01:52,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 16:01:52,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 16:01:52,986 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 16:01:52,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:01:51" (3/4) ... [2024-11-09 16:01:52,989 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-09 16:01:53,036 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 16:01:53,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 16:01:53,037 INFO L158 Benchmark]: Toolchain (without parser) took 3043.70ms. Allocated memory is still 195.0MB. Free memory was 122.6MB in the beginning and 78.2MB in the end (delta: 44.4MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-11-09 16:01:53,037 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 195.0MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:01:53,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.04ms. Allocated memory is still 195.0MB. Free memory was 122.3MB in the beginning and 101.8MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 16:01:53,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.97ms. Allocated memory is still 195.0MB. Free memory was 101.8MB in the beginning and 99.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:01:53,038 INFO L158 Benchmark]: Boogie Preprocessor took 57.12ms. Allocated memory is still 195.0MB. Free memory was 99.5MB in the beginning and 97.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:01:53,039 INFO L158 Benchmark]: RCFGBuilder took 519.01ms. Allocated memory is still 195.0MB. Free memory was 97.1MB in the beginning and 150.3MB in the end (delta: -53.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 16:01:53,039 INFO L158 Benchmark]: BuchiAutomizer took 1874.80ms. Allocated memory is still 195.0MB. Free memory was 150.3MB in the beginning and 81.3MB in the end (delta: 68.9MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2024-11-09 16:01:53,039 INFO L158 Benchmark]: Witness Printer took 50.03ms. Allocated memory is still 195.0MB. Free memory was 81.3MB in the beginning and 78.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 16:01:53,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 195.0MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.04ms. Allocated memory is still 195.0MB. Free memory was 122.3MB in the beginning and 101.8MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.97ms. Allocated memory is still 195.0MB. Free memory was 101.8MB in the beginning and 99.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.12ms. Allocated memory is still 195.0MB. Free memory was 99.5MB in the beginning and 97.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.01ms. Allocated memory is still 195.0MB. Free memory was 97.1MB in the beginning and 150.3MB in the end (delta: -53.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1874.80ms. Allocated memory is still 195.0MB. Free memory was 150.3MB in the beginning and 81.3MB in the end (delta: 68.9MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * Witness Printer took 50.03ms. Allocated memory is still 195.0MB. Free memory was 81.3MB in the beginning and 78.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [173] - GenericResultAtLocation [Line: 214]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [214] - GenericResultAtLocation [Line: 580]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [580] - GenericResultAtLocation [Line: 680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [680] - GenericResultAtLocation [Line: 798]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [798] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [865] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 67 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 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, 172 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 266 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 91 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 809]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int methAndRunningLastTime ; [L384] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L581] int cleanupTimeShifts = 4; [L684] int pumpRunning = 0; [L685] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L658] int retValue_acc ; [L659] int tmp ; [L663] FCALL select_helpers() [L664] FCALL select_features() [L665] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L665] RET, EXPR valid_product() [L665] tmp = valid_product() [L667] COND TRUE \read(tmp) [L669] FCALL setup() [L670] CALL runTest() [L651] CALL __utac_acc__Specification2_spec__1() [L181] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L651] RET __utac_acc__Specification2_spec__1() [L652] CALL test() [L800] int splverifierCounter ; [L801] int tmp ; [L802] int tmp___0 ; [L803] int tmp___1 ; [L804] int tmp___2 ; [L807] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L809] COND TRUE 1 [L811] COND TRUE splverifierCounter < 4 [L817] tmp = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp)) [L827] tmp___0 = __VERIFIER_nondet_int() [L829] COND FALSE !(\read(tmp___0)) [L837] tmp___2 = __VERIFIER_nondet_int() [L839] COND TRUE \read(tmp___2) [L841] CALL startSystem() [L794] systemActive = 1 [L841] RET startSystem() [L854] CALL timeShift() [L691] COND FALSE !(\read(pumpRunning)) [L698] COND TRUE \read(systemActive) [L700] FCALL processEnvironment() [L706] CALL __utac_acc__Specification2_spec__2() [L186] int tmp ; [L187] int tmp___0 ; [L191] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L191] RET, EXPR isMethaneLevelCritical() [L191] tmp = isMethaneLevelCritical() [L193] COND FALSE !(\read(tmp)) [L209] methAndRunningLastTime = 0 [L706] RET __utac_acc__Specification2_spec__2() [L854] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 809]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int methAndRunningLastTime ; [L384] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L581] int cleanupTimeShifts = 4; [L684] int pumpRunning = 0; [L685] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L658] int retValue_acc ; [L659] int tmp ; [L663] FCALL select_helpers() [L664] FCALL select_features() [L665] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L665] RET, EXPR valid_product() [L665] tmp = valid_product() [L667] COND TRUE \read(tmp) [L669] FCALL setup() [L670] CALL runTest() [L651] CALL __utac_acc__Specification2_spec__1() [L181] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L651] RET __utac_acc__Specification2_spec__1() [L652] CALL test() [L800] int splverifierCounter ; [L801] int tmp ; [L802] int tmp___0 ; [L803] int tmp___1 ; [L804] int tmp___2 ; [L807] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L809] COND TRUE 1 [L811] COND TRUE splverifierCounter < 4 [L817] tmp = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp)) [L827] tmp___0 = __VERIFIER_nondet_int() [L829] COND FALSE !(\read(tmp___0)) [L837] tmp___2 = __VERIFIER_nondet_int() [L839] COND TRUE \read(tmp___2) [L841] CALL startSystem() [L794] systemActive = 1 [L841] RET startSystem() [L854] CALL timeShift() [L691] COND FALSE !(\read(pumpRunning)) [L698] COND TRUE \read(systemActive) [L700] FCALL processEnvironment() [L706] CALL __utac_acc__Specification2_spec__2() [L186] int tmp ; [L187] int tmp___0 ; [L191] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L191] RET, EXPR isMethaneLevelCritical() [L191] tmp = isMethaneLevelCritical() [L193] COND FALSE !(\read(tmp)) [L209] methAndRunningLastTime = 0 [L706] RET __utac_acc__Specification2_spec__2() [L854] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 16:01:53,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)