./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product04.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_spec1_product04.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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 16:00:59,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 16:00:59,773 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 16:00:59,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 16:00:59,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 16:00:59,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 16:00:59,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 16:00:59,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 16:00:59,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 16:00:59,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 16:00:59,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 16:00:59,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 16:00:59,811 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 16:00:59,811 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 16:00:59,813 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 16:00:59,813 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 16:00:59,813 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 16:00:59,813 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 16:00:59,813 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 16:00:59,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 16:00:59,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 16:00:59,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 16:00:59,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 16:00:59,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 16:00:59,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 16:00:59,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 16:00:59,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 16:00:59,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 16:00:59,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 16:00:59,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 16:00:59,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 16:00:59,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 16:00:59,818 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 16:00:59,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 16:00:59,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 16:00:59,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 16:00:59,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 16:00:59,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 16:00:59,819 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 16:00:59,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2024-11-09 16:01:00,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 16:01:00,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 16:01:00,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 16:01:00,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 16:01:00,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 16:01:00,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2024-11-09 16:01:01,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 16:01:01,638 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 16:01:01,639 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2024-11-09 16:01:01,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db611ed0/e4fa58a8979840a9b64d1f6238f26af1/FLAG989b281fb [2024-11-09 16:01:02,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db611ed0/e4fa58a8979840a9b64d1f6238f26af1 [2024-11-09 16:01:02,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 16:01:02,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 16:01:02,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 16:01:02,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 16:01:02,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 16:01:02,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3075d618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02, skipping insertion in model container [2024-11-09 16:01:02,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 16:01:02,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:01:02,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 16:01:02,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-09 16:01:02,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2024-11-09 16:01:02,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2024-11-09 16:01:02,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [271] [2024-11-09 16:01:02,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [637] [2024-11-09 16:01:02,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] [2024-11-09 16:01:02,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] [2024-11-09 16:01:02,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] [2024-11-09 16:01:02,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:01:02,460 INFO L204 MainTranslator]: Completed translation [2024-11-09 16:01:02,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02 WrapperNode [2024-11-09 16:01:02,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 16:01:02,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 16:01:02,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 16:01:02,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 16:01:02,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,510 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 38, statements flattened = 238 [2024-11-09 16:01:02,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 16:01:02,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 16:01:02,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 16:01:02,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 16:01:02,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,534 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 16:01:02,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 16:01:02,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 16:01:02,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 16:01:02,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 16:01:02,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (1/1) ... [2024-11-09 16:01:02,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:01:02,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:01:02,593 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 16:01:02,599 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 16:01:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 16:01:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 16:01:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 16:01:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 16:01:02,695 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 16:01:02,697 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 16:01:02,902 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-09 16:01:02,902 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 16:01:02,921 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 16:01:02,921 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 16:01:02,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:01:02 BoogieIcfgContainer [2024-11-09 16:01:02,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 16:01:02,923 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 16:01:02,923 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 16:01:02,928 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 16:01:02,929 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:01:02,929 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 04:01:02" (1/3) ... [2024-11-09 16:01:02,930 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e9a3083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:01:02, skipping insertion in model container [2024-11-09 16:01:02,930 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:01:02,931 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:02" (2/3) ... [2024-11-09 16:01:02,931 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e9a3083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:01:02, skipping insertion in model container [2024-11-09 16:01:02,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:01:02,932 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:01:02" (3/3) ... [2024-11-09 16:01:02,933 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2024-11-09 16:01:02,980 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 16:01:02,980 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 16:01:02,981 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 16:01:02,981 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 16:01:02,981 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 16:01:02,981 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 16:01:02,982 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 16:01:02,982 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 16:01:02,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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 16:01:03,003 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2024-11-09 16:01:03,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:03,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:03,008 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:03,008 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 16:01:03,008 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 16:01:03,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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 16:01:03,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2024-11-09 16:01:03,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:03,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:03,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:03,014 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 16:01:03,018 INFO L745 eck$LassoCheckResult]: Stem: 37#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 31#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 43#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 26#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 40#L865true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 6#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; 57#L75-2true [2024-11-09 16:01:03,018 INFO L747 eck$LassoCheckResult]: Loop: 57#L75-2true assume !false; 78#L76true assume test_~splverifierCounter~0#1 < 4; 13#L77true havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 42#L85true assume !(0 != test_~tmp~0#1); 7#L85-2true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 24#L95true assume !(0 != test_~tmp___0~0#1); 39#L95-2true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 20#L105true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 65#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 53#L113-2true assume { :begin_inline_timeShift } true; 32#L149true assume !(0 != ~pumpRunning~0); 62#L149-2true assume !(0 != ~systemActive~0); 38#L156-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 68#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 23#L765true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 16#L765-1true havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 74#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 57#L75-2true [2024-11-09 16:01:03,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:03,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-09 16:01:03,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:03,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230054665] [2024-11-09 16:01:03,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:03,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:03,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:03,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:03,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:03,130 INFO L85 PathProgramCache]: Analyzing trace with hash -516587965, now seen corresponding path program 1 times [2024-11-09 16:01:03,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819297636] [2024-11-09 16:01:03,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:03,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:01:03,187 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 16:01:03,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:01:03,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819297636] [2024-11-09 16:01:03,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819297636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:01:03,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:01:03,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 16:01:03,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183679830] [2024-11-09 16:01:03,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:01:03,206 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 16:01:03,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:01:03,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 16:01:03,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 16:01:03,279 INFO L87 Difference]: Start difference. First operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 16:01:03,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:01:03,328 INFO L93 Difference]: Finished difference Result 145 states and 183 transitions. [2024-11-09 16:01:03,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 183 transitions. [2024-11-09 16:01:03,333 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2024-11-09 16:01:03,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 125 states and 162 transitions. [2024-11-09 16:01:03,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2024-11-09 16:01:03,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2024-11-09 16:01:03,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 162 transitions. [2024-11-09 16:01:03,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:01:03,338 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 162 transitions. [2024-11-09 16:01:03,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 162 transitions. [2024-11-09 16:01:03,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2024-11-09 16:01:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 121 states have internal predecessors, (158), 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 16:01:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 158 transitions. [2024-11-09 16:01:03,363 INFO L240 hiAutomatonCegarLoop]: Abstraction has 122 states and 158 transitions. [2024-11-09 16:01:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 16:01:03,366 INFO L425 stractBuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2024-11-09 16:01:03,366 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 16:01:03,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 158 transitions. [2024-11-09 16:01:03,367 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 89 [2024-11-09 16:01:03,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:03,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:03,368 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:03,368 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 16:01:03,368 INFO L745 eck$LassoCheckResult]: Stem: 286#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 278#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 279#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 272#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 273#L865 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 240#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; 241#L75-2 [2024-11-09 16:01:03,368 INFO L747 eck$LassoCheckResult]: Loop: 241#L75-2 assume !false; 310#L76 assume test_~splverifierCounter~0#1 < 4; 311#L77 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 336#L85 assume !(0 != test_~tmp~0#1); 334#L85-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 332#L95 assume !(0 != test_~tmp___0~0#1); 330#L95-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 329#L105 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 262#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 304#L113-2 assume { :begin_inline_timeShift } true; 327#L149 assume !(0 != ~pumpRunning~0); 326#L149-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 325#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 324#L156-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 307#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 267#L765 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 256#L765-1 havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 257#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 241#L75-2 [2024-11-09 16:01:03,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:03,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-09 16:01:03,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:03,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205863601] [2024-11-09 16:01:03,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:03,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:03,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:03,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:03,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:03,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1793662355, now seen corresponding path program 1 times [2024-11-09 16:01:03,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:03,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12211823] [2024-11-09 16:01:03,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:03,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:03,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:03,408 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:03,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:03,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1318663593, now seen corresponding path program 1 times [2024-11-09 16:01:03,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:03,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779690997] [2024-11-09 16:01:03,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:03,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:03,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:03,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:04,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:04,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 04:01:04 BoogieIcfgContainer [2024-11-09 16:01:04,263 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 16:01:04,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 16:01:04,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 16:01:04,264 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 16:01:04,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:01:02" (3/4) ... [2024-11-09 16:01:04,266 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-09 16:01:04,303 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 16:01:04,303 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 16:01:04,304 INFO L158 Benchmark]: Toolchain (without parser) took 2288.71ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 106.3MB in the beginning and 171.7MB in the end (delta: -65.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-09 16:01:04,304 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory was 133.6MB in the beginning and 133.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:01:04,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.68ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 142.6MB in the end (delta: -36.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-09 16:01:04,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.97ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 140.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:01:04,305 INFO L158 Benchmark]: Boogie Preprocessor took 32.15ms. Allocated memory is still 176.2MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:01:04,305 INFO L158 Benchmark]: RCFGBuilder took 377.65ms. Allocated memory is still 176.2MB. Free memory was 138.4MB in the beginning and 121.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 16:01:04,306 INFO L158 Benchmark]: BuchiAutomizer took 1340.83ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 121.7MB in the beginning and 173.8MB in the end (delta: -52.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-09 16:01:04,306 INFO L158 Benchmark]: Witness Printer took 39.23ms. Allocated memory is still 245.4MB. Free memory was 173.8MB in the beginning and 171.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:01:04,308 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory was 133.6MB in the beginning and 133.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.68ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 142.6MB in the end (delta: -36.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.97ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 140.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.15ms. Allocated memory is still 176.2MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.65ms. Allocated memory is still 176.2MB. Free memory was 138.4MB in the beginning and 121.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1340.83ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 121.7MB in the beginning and 173.8MB in the end (delta: -52.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 39.23ms. Allocated memory is still 245.4MB. Free memory was 173.8MB in the beginning and 171.7MB in the end (delta: 2.1MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [271] - GenericResultAtLocation [Line: 637]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [637] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] - GenericResultAtLocation [Line: 756]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 122 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 95 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 75]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L441] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int waterLevel = 1; [L640] int methaneLevelCritical = 0; [L783] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int retValue_acc ; [L857] int tmp ; [L861] FCALL select_helpers() [L862] FCALL select_features() [L863] CALL, EXPR valid_product() [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] RET, EXPR valid_product() [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L867] FCALL setup() [L868] CALL runTest() [L850] CALL test() [L66] int splverifierCounter ; [L67] int tmp ; [L68] int tmp___0 ; [L69] int tmp___1 ; [L70] int tmp___2 ; [L73] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L75] COND TRUE 1 [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp___2) [L107] CALL startSystem() [L267] systemActive = 1 [L107] RET startSystem() [L122] CALL timeShift() [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L158] FCALL processEnvironment() [L164] CALL __utac_acc__Specification1_spec__1() [L758] int tmp ; [L759] int tmp___0 ; [L763] CALL, EXPR isMethaneLevelCritical() [L678] int retValue_acc ; [L681] retValue_acc = methaneLevelCritical [L682] return (retValue_acc); [L763] RET, EXPR isMethaneLevelCritical() [L763] tmp = isMethaneLevelCritical() [L765] COND FALSE !(\read(tmp)) [L164] RET __utac_acc__Specification1_spec__1() [L122] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 75]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L441] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int waterLevel = 1; [L640] int methaneLevelCritical = 0; [L783] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int retValue_acc ; [L857] int tmp ; [L861] FCALL select_helpers() [L862] FCALL select_features() [L863] CALL, EXPR valid_product() [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] RET, EXPR valid_product() [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L867] FCALL setup() [L868] CALL runTest() [L850] CALL test() [L66] int splverifierCounter ; [L67] int tmp ; [L68] int tmp___0 ; [L69] int tmp___1 ; [L70] int tmp___2 ; [L73] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L75] COND TRUE 1 [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp___2) [L107] CALL startSystem() [L267] systemActive = 1 [L107] RET startSystem() [L122] CALL timeShift() [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L158] FCALL processEnvironment() [L164] CALL __utac_acc__Specification1_spec__1() [L758] int tmp ; [L759] int tmp___0 ; [L763] CALL, EXPR isMethaneLevelCritical() [L678] int retValue_acc ; [L681] retValue_acc = methaneLevelCritical [L682] return (retValue_acc); [L763] RET, EXPR isMethaneLevelCritical() [L763] tmp = isMethaneLevelCritical() [L765] COND FALSE !(\read(tmp)) [L164] RET __utac_acc__Specification1_spec__1() [L122] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 16:01:04,338 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)