./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product10.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 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:37:50,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:37:50,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:37:50,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:37:50,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:37:50,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:37:50,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:37:50,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:37:50,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:37:50,839 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:37:50,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:37:50,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:37:50,841 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:37:50,841 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:37:50,841 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:37:50,842 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:37:50,842 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:37:50,843 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:37:50,843 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:37:50,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:37:50,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:37:50,847 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:37:50,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:37:50,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:37:50,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:37:50,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:37:50,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:37:50,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:37:50,849 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:37:50,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:37:50,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:37:50,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:37:50,850 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:37:50,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:37:50,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:37:50,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:37:50,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:37:50,852 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:37:50,853 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:37:50,854 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 [2024-11-12 21:37:51,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:37:51,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:37:51,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:37:51,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:37:51,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:37:51,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2024-11-12 21:37:52,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:37:52,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:37:52,944 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2024-11-12 21:37:52,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d803f5b48/3c29d09ad5af4c75b3b224b503dfeaf5/FLAG111d410d8 [2024-11-12 21:37:52,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d803f5b48/3c29d09ad5af4c75b3b224b503dfeaf5 [2024-11-12 21:37:52,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:37:52,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:37:52,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:37:52,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:37:52,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:37:52,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:37:52" (1/1) ... [2024-11-12 21:37:52,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5fc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:52, skipping insertion in model container [2024-11-12 21:37:52,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:37:52" (1/1) ... [2024-11-12 21:37:53,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:37:53,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:37:53,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:37:53,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-12 21:37:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] [2024-11-12 21:37:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [144] [2024-11-12 21:37:53,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [214] [2024-11-12 21:37:53,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [314] [2024-11-12 21:37:53,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [680] [2024-11-12 21:37:53,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [817] [2024-11-12 21:37:53,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] [2024-11-12 21:37:53,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:37:53,473 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:37:53,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53 WrapperNode [2024-11-12 21:37:53,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:37:53,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:37:53,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:37:53,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:37:53,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,524 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 36, statements flattened = 231 [2024-11-12 21:37:53,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:37:53,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:37:53,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:37:53,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:37:53,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,570 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 21:37:53,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:37:53,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:37:53,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:37:53,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:37:53,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (1/1) ... [2024-11-12 21:37:53,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:37:53,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:37:53,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:37:53,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 21:37:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:37:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:37:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:37:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:37:53,755 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:37:53,758 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:37:54,034 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-12 21:37:54,037 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:37:54,052 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:37:54,055 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:37:54,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:37:54 BoogieIcfgContainer [2024-11-12 21:37:54,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:37:54,056 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:37:54,056 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:37:54,060 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:37:54,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:37:54,061 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:37:52" (1/3) ... [2024-11-12 21:37:54,062 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@686e352a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:37:54, skipping insertion in model container [2024-11-12 21:37:54,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:37:54,063 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:53" (2/3) ... [2024-11-12 21:37:54,064 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@686e352a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:37:54, skipping insertion in model container [2024-11-12 21:37:54,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:37:54,065 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:37:54" (3/3) ... [2024-11-12 21:37:54,067 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2024-11-12 21:37:54,124 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:37:54,124 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:37:54,124 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:37:54,124 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:37:54,124 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:37:54,125 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:37:54,125 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:37:54,125 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:37:54,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:37:54,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2024-11-12 21:37:54,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:37:54,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:37:54,150 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:37:54,151 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:37:54,151 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:37:54,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:37:54,156 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2024-11-12 21:37:54,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:37:54,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:37:54,156 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:37:54,156 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:37:54,161 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret13#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:37:54,162 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet12#1;test_~tmp___1~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:37:54,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:37:54,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-12 21:37:54,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:37:54,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984405322] [2024-11-12 21:37:54,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:37:54,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:37:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:54,292 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:37:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:54,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:37:54,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:37:54,341 INFO L85 PathProgramCache]: Analyzing trace with hash -944080828, now seen corresponding path program 1 times [2024-11-12 21:37:54,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:37:54,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087104490] [2024-11-12 21:37:54,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:37:54,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:37:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:54,355 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:37:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:54,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:37:54,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:37:54,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1875762432, now seen corresponding path program 1 times [2024-11-12 21:37:54,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:37:54,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615890888] [2024-11-12 21:37:54,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:37:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:37:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:37:54,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:37:54,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615890888] [2024-11-12 21:37:54,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615890888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:37:54,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024362636] [2024-11-12 21:37:54,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:37:54,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:37:54,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:37:54,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:37:54,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:37:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:37:54,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:37:54,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:37:54,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:37:54,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024362636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:37:54,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:37:54,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-12 21:37:54,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321546439] [2024-11-12 21:37:54,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:37:54,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:37:55,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 21:37:55,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 21:37:55,005 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:37:55,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:37:55,074 INFO L93 Difference]: Finished difference Result 73 states and 89 transitions. [2024-11-12 21:37:55,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 89 transitions. [2024-11-12 21:37:55,080 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2024-11-12 21:37:55,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 63 states and 79 transitions. [2024-11-12 21:37:55,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2024-11-12 21:37:55,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2024-11-12 21:37:55,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 79 transitions. [2024-11-12 21:37:55,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:37:55,090 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-12 21:37:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 79 transitions. [2024-11-12 21:37:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-12 21:37:55,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:37:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2024-11-12 21:37:55,122 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-12 21:37:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:37:55,128 INFO L426 stractBuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-12 21:37:55,129 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:37:55,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2024-11-12 21:37:55,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2024-11-12 21:37:55,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:37:55,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:37:55,135 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:37:55,135 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:37:55,135 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret13#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:37:55,135 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet12#1;test_~tmp___1~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:37:55,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:37:55,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-12 21:37:55,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:37:55,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877752345] [2024-11-12 21:37:55,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:37:55,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:37:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:55,155 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:37:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:55,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:37:55,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:37:55,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1426285479, now seen corresponding path program 1 times [2024-11-12 21:37:55,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:37:55,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17941077] [2024-11-12 21:37:55,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:37:55,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:37:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:55,179 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:37:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:55,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:37:55,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:37:55,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1686040469, now seen corresponding path program 1 times [2024-11-12 21:37:55,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:37:55,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651841381] [2024-11-12 21:37:55,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:37:55,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:37:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:55,203 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:37:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:55,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:37:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:56,065 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:37:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:37:56,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:37:56 BoogieIcfgContainer [2024-11-12 21:37:56,122 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:37:56,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:37:56,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:37:56,123 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:37:56,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:37:54" (3/4) ... [2024-11-12 21:37:56,125 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:37:56,175 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:37:56,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:37:56,176 INFO L158 Benchmark]: Toolchain (without parser) took 3190.28ms. Allocated memory was 186.6MB in the beginning and 228.6MB in the end (delta: 41.9MB). Free memory was 152.1MB in the beginning and 133.4MB in the end (delta: 18.7MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2024-11-12 21:37:56,176 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:37:56,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.58ms. Allocated memory is still 186.6MB. Free memory was 152.1MB in the beginning and 131.3MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 21:37:56,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.50ms. Allocated memory is still 186.6MB. Free memory was 131.3MB in the beginning and 129.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:37:56,177 INFO L158 Benchmark]: Boogie Preprocessor took 59.44ms. Allocated memory is still 186.6MB. Free memory was 129.1MB in the beginning and 127.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:37:56,177 INFO L158 Benchmark]: RCFGBuilder took 469.78ms. Allocated memory is still 186.6MB. Free memory was 127.1MB in the beginning and 110.3MB in the end (delta: 16.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 21:37:56,177 INFO L158 Benchmark]: BuchiAutomizer took 2066.00ms. Allocated memory was 186.6MB in the beginning and 228.6MB in the end (delta: 41.9MB). Free memory was 110.3MB in the beginning and 136.5MB in the end (delta: -26.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-12 21:37:56,178 INFO L158 Benchmark]: Witness Printer took 52.19ms. Allocated memory is still 228.6MB. Free memory was 136.5MB in the beginning and 133.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:37:56,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.58ms. Allocated memory is still 186.6MB. Free memory was 152.1MB in the beginning and 131.3MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.50ms. Allocated memory is still 186.6MB. Free memory was 131.3MB in the beginning and 129.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.44ms. Allocated memory is still 186.6MB. Free memory was 129.1MB in the beginning and 127.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.78ms. Allocated memory is still 186.6MB. Free memory was 127.1MB in the beginning and 110.3MB in the end (delta: 16.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2066.00ms. Allocated memory was 186.6MB in the beginning and 228.6MB in the end (delta: 41.9MB). Free memory was 110.3MB in the beginning and 136.5MB in the end (delta: -26.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 52.19ms. Allocated memory is still 228.6MB. Free memory was 136.5MB in the beginning and 133.4MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] - GenericResultAtLocation [Line: 144]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [144] - GenericResultAtLocation [Line: 214]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [214] - GenericResultAtLocation [Line: 314]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [314] - GenericResultAtLocation [Line: 680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [680] - GenericResultAtLocation [Line: 817]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [817] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] * 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 7 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 161 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 84 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 158]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L65] int waterLevel = 1; [L66] int methaneLevelCritical = 0; [L215] int cleanupTimeShifts = 4; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L684] int pumpRunning = 0; [L685] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L292] int retValue_acc ; [L293] int tmp ; [L297] FCALL select_helpers() [L298] FCALL select_features() [L299] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L299] RET, EXPR valid_product() [L299] tmp = valid_product() [L301] COND TRUE \read(tmp) [L303] FCALL setup() [L304] CALL runTest() [L283] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND FALSE !(\read(tmp___2)) [L194] tmp___1 = __VERIFIER_nondet_int() [L196] COND TRUE \read(tmp___1) [L203] CALL timeShift() [L692] COND FALSE !(\read(pumpRunning)) [L699] COND TRUE \read(systemActive) [L701] FCALL processEnvironment() [L707] CALL __utac_acc__Specification1_spec__1() [L819] int tmp ; [L820] int tmp___0 ; [L824] CALL, EXPR isMethaneLevelCritical() [L104] int retValue_acc ; [L107] retValue_acc = methaneLevelCritical [L108] return (retValue_acc); [L824] RET, EXPR isMethaneLevelCritical() [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) [L707] RET __utac_acc__Specification1_spec__1() [L203] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 158]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L65] int waterLevel = 1; [L66] int methaneLevelCritical = 0; [L215] int cleanupTimeShifts = 4; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L684] int pumpRunning = 0; [L685] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L292] int retValue_acc ; [L293] int tmp ; [L297] FCALL select_helpers() [L298] FCALL select_features() [L299] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L299] RET, EXPR valid_product() [L299] tmp = valid_product() [L301] COND TRUE \read(tmp) [L303] FCALL setup() [L304] CALL runTest() [L283] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND FALSE !(\read(tmp___2)) [L194] tmp___1 = __VERIFIER_nondet_int() [L196] COND TRUE \read(tmp___1) [L203] CALL timeShift() [L692] COND FALSE !(\read(pumpRunning)) [L699] COND TRUE \read(systemActive) [L701] FCALL processEnvironment() [L707] CALL __utac_acc__Specification1_spec__1() [L819] int tmp ; [L820] int tmp___0 ; [L824] CALL, EXPR isMethaneLevelCritical() [L104] int retValue_acc ; [L107] retValue_acc = methaneLevelCritical [L108] return (retValue_acc); [L824] RET, EXPR isMethaneLevelCritical() [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) [L707] RET __utac_acc__Specification1_spec__1() [L203] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:37:56,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 21:37:56,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)