./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product03.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_spec3_product03.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 fd97c2884595bd9a9b703dc95e9a5caeaf3b95ed9b6ed8cf435c9ebd351e9142 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 16:02:31,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 16:02:31,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 16:02:31,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 16:02:31,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 16:02:32,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 16:02:32,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 16:02:32,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 16:02:32,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 16:02:32,023 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 16:02:32,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 16:02:32,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 16:02:32,024 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 16:02:32,024 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 16:02:32,024 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 16:02:32,024 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 16:02:32,024 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 16:02:32,025 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 16:02:32,025 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 16:02:32,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 16:02:32,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 16:02:32,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 16:02:32,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 16:02:32,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 16:02:32,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 16:02:32,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 16:02:32,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 16:02:32,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 16:02:32,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 16:02:32,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 16:02:32,030 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 16:02:32,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 16:02:32,030 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 16:02:32,030 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 16:02:32,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 16:02:32,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 16:02:32,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 16:02:32,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 16:02:32,031 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 16:02:32,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd97c2884595bd9a9b703dc95e9a5caeaf3b95ed9b6ed8cf435c9ebd351e9142 [2024-11-09 16:02:32,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 16:02:32,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 16:02:32,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 16:02:32,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 16:02:32,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 16:02:32,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2024-11-09 16:02:33,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 16:02:34,095 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 16:02:34,095 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2024-11-09 16:02:34,110 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4039d08d5/1607eb2c193045f88d3fa7157626022c/FLAG997d5dd81 [2024-11-09 16:02:34,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4039d08d5/1607eb2c193045f88d3fa7157626022c [2024-11-09 16:02:34,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 16:02:34,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 16:02:34,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 16:02:34,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 16:02:34,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 16:02:34,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4d3cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34, skipping insertion in model container [2024-11-09 16:02:34,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 16:02:34,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:02:34,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 16:02:34,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-09 16:02:34,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-09 16:02:34,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [251] [2024-11-09 16:02:34,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [617] [2024-11-09 16:02:34,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [655] [2024-11-09 16:02:34,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [664] [2024-11-09 16:02:34,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [699] [2024-11-09 16:02:34,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [795] [2024-11-09 16:02:34,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:02:34,549 INFO L204 MainTranslator]: Completed translation [2024-11-09 16:02:34,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34 WrapperNode [2024-11-09 16:02:34,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 16:02:34,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 16:02:34,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 16:02:34,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 16:02:34,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,603 INFO L138 Inliner]: procedures = 50, calls = 92, calls flagged for inlining = 45, calls inlined = 40, statements flattened = 268 [2024-11-09 16:02:34,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 16:02:34,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 16:02:34,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 16:02:34,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 16:02:34,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,634 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 16:02:34,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 16:02:34,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 16:02:34,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 16:02:34,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 16:02:34,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (1/1) ... [2024-11-09 16:02:34,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:02:34,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:02:34,696 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 16:02:34,699 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 16:02:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 16:02:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 16:02:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 16:02:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 16:02:34,820 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 16:02:34,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 16:02:35,069 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-09 16:02:35,069 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 16:02:35,080 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 16:02:35,080 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 16:02:35,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:02:35 BoogieIcfgContainer [2024-11-09 16:02:35,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 16:02:35,081 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 16:02:35,081 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 16:02:35,084 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 16:02:35,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:02:35,085 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 04:02:34" (1/3) ... [2024-11-09 16:02:35,086 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7af7d246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:02:35, skipping insertion in model container [2024-11-09 16:02:35,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:02:35,087 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:34" (2/3) ... [2024-11-09 16:02:35,087 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7af7d246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:02:35, skipping insertion in model container [2024-11-09 16:02:35,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:02:35,088 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:02:35" (3/3) ... [2024-11-09 16:02:35,089 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2024-11-09 16:02:35,141 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 16:02:35,141 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 16:02:35,141 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 16:02:35,141 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 16:02:35,141 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 16:02:35,142 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 16:02:35,142 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 16:02:35,142 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 16:02:35,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 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 16:02:35,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2024-11-09 16:02:35,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:02:35,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:02:35,173 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:35,173 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:35,174 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 16:02:35,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 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 16:02:35,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2024-11-09 16:02:35,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:02:35,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:02:35,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:35,178 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:35,183 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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 35#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 28#valid_product_returnLabel#1true main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 66#L782true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 5#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; 46#L65-2true [2024-11-09 16:02:35,183 INFO L747 eck$LassoCheckResult]: Loop: 46#L65-2true assume !false; 41#L66true assume test_~splverifierCounter~0#1 < 4; 59#L67true havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 76#L75true assume !(0 != test_~tmp~0#1); 55#L75-2true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 44#L85true assume !(0 != test_~tmp___0~0#1); 7#L85-2true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 27#L95true assume 0 != test_~tmp___2~0#1; 23#L101-2true assume { :begin_inline_timeShift } true; 77#L137true assume !(0 != ~pumpRunning~0); 54#L137-2true assume !(0 != ~systemActive~0); 42#L144-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret41#1, __utac_acc__Specification3_spec__1_#t~ret42#1, __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 69#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret41#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret41#1;havoc __utac_acc__Specification3_spec__1_#t~ret41#1; 85#L675true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 52#L681-1true havoc __utac_acc__Specification3_spec__1_#t~ret41#1, __utac_acc__Specification3_spec__1_#t~ret42#1, __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 79#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 46#L65-2true [2024-11-09 16:02:35,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:35,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-09 16:02:35,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:35,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874689778] [2024-11-09 16:02:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:35,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:35,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:35,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:35,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:35,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1802248854, now seen corresponding path program 1 times [2024-11-09 16:02:35,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:35,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855561281] [2024-11-09 16:02:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:35,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:35,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:35,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:35,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:35,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1137299366, now seen corresponding path program 1 times [2024-11-09 16:02:35,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:35,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500845466] [2024-11-09 16:02:35,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:35,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:02:35,748 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 16:02:35,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:02:35,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500845466] [2024-11-09 16:02:35,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500845466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:02:35,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:02:35,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 16:02:35,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582171727] [2024-11-09 16:02:35,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:02:35,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:02:35,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 16:02:35,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 16:02:35,901 INFO L87 Difference]: Start difference. First operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 16:02:35,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:02:35,984 INFO L93 Difference]: Finished difference Result 227 states and 290 transitions. [2024-11-09 16:02:35,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 227 states and 290 transitions. [2024-11-09 16:02:35,990 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 143 [2024-11-09 16:02:35,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 227 states to 197 states and 260 transitions. [2024-11-09 16:02:35,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 197 [2024-11-09 16:02:35,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 197 [2024-11-09 16:02:35,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 260 transitions. [2024-11-09 16:02:35,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:02:35,997 INFO L218 hiAutomatonCegarLoop]: Abstraction has 197 states and 260 transitions. [2024-11-09 16:02:36,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 260 transitions. [2024-11-09 16:02:36,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 130. [2024-11-09 16:02:36,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 130 states have (on average 1.323076923076923) internal successors, (172), 129 states have internal predecessors, (172), 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 16:02:36,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 172 transitions. [2024-11-09 16:02:36,023 INFO L240 hiAutomatonCegarLoop]: Abstraction has 130 states and 172 transitions. [2024-11-09 16:02:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 16:02:36,027 INFO L425 stractBuchiCegarLoop]: Abstraction has 130 states and 172 transitions. [2024-11-09 16:02:36,028 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 16:02:36,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states and 172 transitions. [2024-11-09 16:02:36,029 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2024-11-09 16:02:36,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:02:36,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:02:36,030 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:36,030 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 16:02:36,030 INFO L745 eck$LassoCheckResult]: Stem: 383#$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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 384#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 378#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 379#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 369#valid_product_returnLabel#1 main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 370#L782 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 336#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; 337#L65-2 [2024-11-09 16:02:36,031 INFO L747 eck$LassoCheckResult]: Loop: 337#L65-2 assume !false; 385#L66 assume test_~splverifierCounter~0#1 < 4; 386#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 397#L75 assume !(0 != test_~tmp~0#1); 354#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 389#L85 assume !(0 != test_~tmp___0~0#1); 341#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 342#L95 assume 0 != test_~tmp___2~0#1; 365#L101-2 assume { :begin_inline_timeShift } true; 366#L137 assume !(0 != ~pumpRunning~0); 375#L137-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 371#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 372#L144-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret41#1, __utac_acc__Specification3_spec__1_#t~ret42#1, __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 388#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret41#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret41#1;havoc __utac_acc__Specification3_spec__1_#t~ret41#1; 402#L675 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 364#L681-1 havoc __utac_acc__Specification3_spec__1_#t~ret41#1, __utac_acc__Specification3_spec__1_#t~ret42#1, __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 394#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 337#L65-2 [2024-11-09 16:02:36,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:36,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-09 16:02:36,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:36,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493104226] [2024-11-09 16:02:36,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:36,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:36,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:36,046 INFO L85 PathProgramCache]: Analyzing trace with hash 663614270, now seen corresponding path program 1 times [2024-11-09 16:02:36,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:36,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416960015] [2024-11-09 16:02:36,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:36,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:36,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:36,055 INFO L85 PathProgramCache]: Analyzing trace with hash -268067334, now seen corresponding path program 1 times [2024-11-09 16:02:36,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:36,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968743596] [2024-11-09 16:02:36,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:36,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:02:36,126 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 16:02:36,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:02:36,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968743596] [2024-11-09 16:02:36,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968743596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:02:36,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:02:36,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 16:02:36,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292003853] [2024-11-09 16:02:36,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:02:36,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:02:36,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 16:02:36,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 16:02:36,178 INFO L87 Difference]: Start difference. First operand 130 states and 172 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 16:02:36,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:02:36,258 INFO L93 Difference]: Finished difference Result 253 states and 329 transitions. [2024-11-09 16:02:36,258 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 253 states and 329 transitions. [2024-11-09 16:02:36,260 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 188 [2024-11-09 16:02:36,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 253 states to 253 states and 329 transitions. [2024-11-09 16:02:36,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 253 [2024-11-09 16:02:36,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 253 [2024-11-09 16:02:36,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 253 states and 329 transitions. [2024-11-09 16:02:36,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:02:36,263 INFO L218 hiAutomatonCegarLoop]: Abstraction has 253 states and 329 transitions. [2024-11-09 16:02:36,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states and 329 transitions. [2024-11-09 16:02:36,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2024-11-09 16:02:36,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 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 16:02:36,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2024-11-09 16:02:36,272 INFO L240 hiAutomatonCegarLoop]: Abstraction has 253 states and 329 transitions. [2024-11-09 16:02:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 16:02:36,273 INFO L425 stractBuchiCegarLoop]: Abstraction has 253 states and 329 transitions. [2024-11-09 16:02:36,273 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 16:02:36,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 253 states and 329 transitions. [2024-11-09 16:02:36,275 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 188 [2024-11-09 16:02:36,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:02:36,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:02:36,275 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:36,275 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:36,276 INFO L745 eck$LassoCheckResult]: Stem: 786#$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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 787#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 784#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 785#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 774#valid_product_returnLabel#1 main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 775#L782 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 736#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; 737#L65-2 [2024-11-09 16:02:36,276 INFO L747 eck$LassoCheckResult]: Loop: 737#L65-2 assume !false; 848#L66 assume test_~splverifierCounter~0#1 < 4; 805#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 806#L75 assume !(0 != test_~tmp~0#1); 750#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 792#L85 assume !(0 != test_~tmp___0~0#1); 738#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 739#L95 assume 0 != test_~tmp___2~0#1; 770#L101-2 assume { :begin_inline_timeShift } true; 821#L137 assume !(0 != ~pumpRunning~0); 777#L137-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 801#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 867#L144-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret41#1, __utac_acc__Specification3_spec__1_#t~ret42#1, __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 865#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret41#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret41#1;havoc __utac_acc__Specification3_spec__1_#t~ret41#1; 863#L675 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 861#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret42#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret42#1;havoc __utac_acc__Specification3_spec__1_#t~ret42#1; 857#L681 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1); 853#L681-1 havoc __utac_acc__Specification3_spec__1_#t~ret41#1, __utac_acc__Specification3_spec__1_#t~ret42#1, __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 851#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 737#L65-2 [2024-11-09 16:02:36,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:36,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-09 16:02:36,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:36,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171672823] [2024-11-09 16:02:36,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:36,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:36,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:36,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2079344883, now seen corresponding path program 1 times [2024-11-09 16:02:36,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:36,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615378234] [2024-11-09 16:02:36,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:36,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:36,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:36,296 INFO L85 PathProgramCache]: Analyzing trace with hash 86521007, now seen corresponding path program 1 times [2024-11-09 16:02:36,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:36,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824054383] [2024-11-09 16:02:36,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:36,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:36,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:37,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 04:02:37 BoogieIcfgContainer [2024-11-09 16:02:37,015 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 16:02:37,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 16:02:37,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 16:02:37,016 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 16:02:37,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:02:35" (3/4) ... [2024-11-09 16:02:37,018 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-09 16:02:37,072 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 16:02:37,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 16:02:37,073 INFO L158 Benchmark]: Toolchain (without parser) took 2939.02ms. Allocated memory was 184.5MB in the beginning and 302.0MB in the end (delta: 117.4MB). Free memory was 112.6MB in the beginning and 185.2MB in the end (delta: -72.6MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2024-11-09 16:02:37,073 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:02:37,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.53ms. Allocated memory is still 184.5MB. Free memory was 112.2MB in the beginning and 142.9MB in the end (delta: -30.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-09 16:02:37,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.89ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 140.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:02:37,074 INFO L158 Benchmark]: Boogie Preprocessor took 43.63ms. Allocated memory is still 184.5MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:02:37,074 INFO L158 Benchmark]: RCFGBuilder took 431.32ms. Allocated memory is still 184.5MB. Free memory was 138.7MB in the beginning and 120.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 16:02:37,074 INFO L158 Benchmark]: BuchiAutomizer took 1934.78ms. Allocated memory was 184.5MB in the beginning and 302.0MB in the end (delta: 117.4MB). Free memory was 120.5MB in the beginning and 188.3MB in the end (delta: -67.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-09 16:02:37,074 INFO L158 Benchmark]: Witness Printer took 56.15ms. Allocated memory is still 302.0MB. Free memory was 188.3MB in the beginning and 185.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:02:37,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.53ms. Allocated memory is still 184.5MB. Free memory was 112.2MB in the beginning and 142.9MB in the end (delta: -30.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.89ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 140.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.63ms. Allocated memory is still 184.5MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.32ms. Allocated memory is still 184.5MB. Free memory was 138.7MB in the beginning and 120.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1934.78ms. Allocated memory was 184.5MB in the beginning and 302.0MB in the end (delta: 117.4MB). Free memory was 120.5MB in the beginning and 188.3MB in the end (delta: -67.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Witness Printer took 56.15ms. Allocated memory is still 302.0MB. Free memory was 188.3MB in the beginning and 185.2MB 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: 251]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [251] - GenericResultAtLocation [Line: 617]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [617] - GenericResultAtLocation [Line: 655]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [655] - GenericResultAtLocation [Line: 664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [664] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [699] - GenericResultAtLocation [Line: 795]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [795] * 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 6 locations. The remainder module has 253 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 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 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 67 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 811 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 621 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 190 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: [L129] int pumpRunning = 0; [L130] int systemActive = 1; [L421] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L700] int cleanupTimeShifts = 4; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] int retValue_acc ; [L774] int tmp ; [L778] FCALL select_helpers() [L779] FCALL select_features() [L780] CALL, EXPR valid_product() [L647] int retValue_acc ; [L650] retValue_acc = 1 [L651] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L780] RET, EXPR valid_product() [L780] tmp = valid_product() [L782] COND TRUE \read(tmp) [L784] FCALL setup() [L785] CALL runTest() [L767] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L137] COND FALSE !(\read(pumpRunning)) [L144] COND TRUE \read(systemActive) [L146] FCALL processEnvironment() [L152] CALL __utac_acc__Specification3_spec__1() [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; [L673] CALL, EXPR isMethaneLevelCritical() [L835] int retValue_acc ; [L838] retValue_acc = methaneLevelCritical [L839] return (retValue_acc); [L673] RET, EXPR isMethaneLevelCritical() [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L679] CALL, EXPR getWaterLevel() [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); [L679] RET, EXPR getWaterLevel() [L679] tmp___0 = getWaterLevel() [L681] COND FALSE !(tmp___0 == 2) [L152] RET __utac_acc__Specification3_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: [L129] int pumpRunning = 0; [L130] int systemActive = 1; [L421] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L700] int cleanupTimeShifts = 4; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] int retValue_acc ; [L774] int tmp ; [L778] FCALL select_helpers() [L779] FCALL select_features() [L780] CALL, EXPR valid_product() [L647] int retValue_acc ; [L650] retValue_acc = 1 [L651] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L780] RET, EXPR valid_product() [L780] tmp = valid_product() [L782] COND TRUE \read(tmp) [L784] FCALL setup() [L785] CALL runTest() [L767] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L137] COND FALSE !(\read(pumpRunning)) [L144] COND TRUE \read(systemActive) [L146] FCALL processEnvironment() [L152] CALL __utac_acc__Specification3_spec__1() [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; [L673] CALL, EXPR isMethaneLevelCritical() [L835] int retValue_acc ; [L838] retValue_acc = methaneLevelCritical [L839] return (retValue_acc); [L673] RET, EXPR isMethaneLevelCritical() [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L679] CALL, EXPR getWaterLevel() [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); [L679] RET, EXPR getWaterLevel() [L679] tmp___0 = getWaterLevel() [L681] COND FALSE !(tmp___0 == 2) [L152] RET __utac_acc__Specification3_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 16:02:37,100 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)