./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product11.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 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:47,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:47,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:47,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:47,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:47,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:47,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:47,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:47,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:47,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:47,208 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:47,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:47,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:47,209 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:47,210 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:47,212 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:47,212 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:47,215 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:47,215 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:47,215 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:47,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:47,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:47,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:47,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:47,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:47,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:47,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:47,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:47,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:47,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:47,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:47,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:47,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:47,232 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:47,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:47,232 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:47,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:47,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:47,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:47,234 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:47,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 [2024-11-10 23:13:47,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:47,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:47,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:47,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:47,532 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:47,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2024-11-10 23:13:49,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:49,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:49,244 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2024-11-10 23:13:49,256 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ac8cb7f7/f3a161c73d99418eb21096b7e9190fa6/FLAG7da9494b0 [2024-11-10 23:13:49,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ac8cb7f7/f3a161c73d99418eb21096b7e9190fa6 [2024-11-10 23:13:49,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:49,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:49,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:49,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:49,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:49,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b73255a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49, skipping insertion in model container [2024-11-10 23:13:49,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:49,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:49,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:49,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-10 23:13:49,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2024-11-10 23:13:49,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [453] [2024-11-10 23:13:49,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] [2024-11-10 23:13:49,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [673] [2024-11-10 23:13:49,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [682] [2024-11-10 23:13:49,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [721] [2024-11-10 23:13:49,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [802] [2024-11-10 23:13:49,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:49,736 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:49,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49 WrapperNode [2024-11-10 23:13:49,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:49,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:49,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:49,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:49,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,786 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 38, statements flattened = 249 [2024-11-10 23:13:49,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:49,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:49,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:49,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:49,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,804 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,825 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]. [2024-11-10 23:13:49,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,830 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:49,835 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:49,835 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:49,835 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:49,836 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (1/1) ... [2024-11-10 23:13:49,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:49,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:49,875 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) [2024-11-10 23:13:49,882 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 [2024-11-10 23:13:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:50,041 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:50,049 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:50,321 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L549-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:13:50,322 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L549-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:13:50,322 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L549-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:13:50,322 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-1: main_#res#1 := main_~retValue_acc~9#1; [2024-11-10 23:13:50,322 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:13:50,322 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:13:50,323 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:13:50,323 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-10 23:13:50,338 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:50,338 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:50,351 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:50,351 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:50,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:50 BoogieIcfgContainer [2024-11-10 23:13:50,351 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:50,352 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:50,352 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:50,355 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:50,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:50,356 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:49" (1/3) ... [2024-11-10 23:13:50,356 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c0009be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:50, skipping insertion in model container [2024-11-10 23:13:50,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:50,357 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:49" (2/3) ... [2024-11-10 23:13:50,357 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c0009be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:50, skipping insertion in model container [2024-11-10 23:13:50,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:50,357 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:50" (3/3) ... [2024-11-10 23:13:50,358 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2024-11-10 23:13:50,415 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:50,415 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:50,416 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:50,416 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:50,416 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:50,416 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:50,416 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:50,416 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:50,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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) [2024-11-10 23:13:50,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2024-11-10 23:13:50,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:50,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:50,451 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:50,451 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:50,451 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:50,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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) [2024-11-10 23:13:50,456 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2024-11-10 23:13:50,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:50,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:50,457 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:50,457 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:50,461 INFO L745 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRYtrue 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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 32#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 73#L75true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 67#L68true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 28#L83true assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 81#L886true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 10#L862true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 13#L689true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 82#L617true [2024-11-10 23:13:50,462 INFO L747 eck$LassoCheckResult]: Loop: 82#L617true assume true; 74#L617-1true assume !false;assume true; 12#L619true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet38#1;test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 61#L627true assume !(0 != test_~tmp~4#1); 29#L635true havoc test_#t~nondet39#1;test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 42#L637true assume !(0 != test_~tmp___0~0#1); 86#L645true havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 66#L647true assume 0 != test_~tmp___2~0#1; 54#L662true assume { :begin_inline_timeShift } true; 4#L471-2true assume !(0 != ~pumpRunning~0); 16#L478-2true assume !(0 != ~systemActive~0); 58#L486-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 3#L766-2true assume true;__utac_acc__Specification2_spec__2_#t~ret42#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret42#1;havoc __utac_acc__Specification2_spec__2_#t~ret42#1; 31#L700-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 71#L718-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 47#L488-2true assume true;assume { :end_inline_timeShift } true; 82#L617true [2024-11-10 23:13:50,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:50,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1160152678, now seen corresponding path program 1 times [2024-11-10 23:13:50,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:50,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648549288] [2024-11-10 23:13:50,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:50,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:50,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:50,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:50,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:50,621 INFO L85 PathProgramCache]: Analyzing trace with hash 634592465, now seen corresponding path program 1 times [2024-11-10 23:13:50,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:50,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097334267] [2024-11-10 23:13:50,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:50,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:50,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:50,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:50,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:50,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1910487958, now seen corresponding path program 1 times [2024-11-10 23:13:50,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:50,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421057152] [2024-11-10 23:13:50,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:50,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:50,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:50,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421057152] [2024-11-10 23:13:50,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421057152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:50,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:50,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:13:50,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262669151] [2024-11-10 23:13:50,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:50,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:50,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:50,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:50,918 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:50,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:50,954 INFO L93 Difference]: Finished difference Result 151 states and 195 transitions. [2024-11-10 23:13:50,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 195 transitions. [2024-11-10 23:13:50,964 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 90 [2024-11-10 23:13:50,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 129 states and 172 transitions. [2024-11-10 23:13:50,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 129 [2024-11-10 23:13:50,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 129 [2024-11-10 23:13:50,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 172 transitions. [2024-11-10 23:13:50,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:50,977 INFO L218 hiAutomatonCegarLoop]: Abstraction has 129 states and 172 transitions. [2024-11-10 23:13:50,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 172 transitions. [2024-11-10 23:13:51,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2024-11-10 23:13:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 125 states have internal predecessors, (168), 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) [2024-11-10 23:13:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 168 transitions. [2024-11-10 23:13:51,015 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 168 transitions. [2024-11-10 23:13:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:51,020 INFO L425 stractBuchiCegarLoop]: Abstraction has 126 states and 168 transitions. [2024-11-10 23:13:51,021 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:51,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 168 transitions. [2024-11-10 23:13:51,024 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 90 [2024-11-10 23:13:51,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:51,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:51,028 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:51,029 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:51,029 INFO L745 eck$LassoCheckResult]: Stem: 312#ULTIMATE.startENTRY 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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 286#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 287#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 317#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 280#L83 assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 281#L886 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 261#L862 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 262#L689 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 266#L617 [2024-11-10 23:13:51,029 INFO L747 eck$LassoCheckResult]: Loop: 266#L617 assume true; 322#L617-1 assume !false;assume true; 263#L619 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet38#1;test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 265#L627 assume !(0 != test_~tmp~4#1); 274#L635 havoc test_#t~nondet39#1;test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 282#L637 assume !(0 != test_~tmp___0~0#1); 290#L645 havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 316#L647 assume 0 != test_~tmp___2~0#1; 310#L662 assume { :begin_inline_timeShift } true; 250#L471-2 assume !(0 != ~pumpRunning~0); 252#L478-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 255#L495-2 assume true;assume { :end_inline_processEnvironment } true; 256#L486-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 248#L766-2 assume true;__utac_acc__Specification2_spec__2_#t~ret42#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret42#1;havoc __utac_acc__Specification2_spec__2_#t~ret42#1; 249#L700-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 285#L718-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 304#L488-2 assume true;assume { :end_inline_timeShift } true; 266#L617 [2024-11-10 23:13:51,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:51,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1160152678, now seen corresponding path program 2 times [2024-11-10 23:13:51,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:51,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830465961] [2024-11-10 23:13:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:51,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:51,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:51,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:51,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1637361143, now seen corresponding path program 1 times [2024-11-10 23:13:51,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:51,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375836580] [2024-11-10 23:13:51,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:51,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:51,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:51,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:51,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:51,106 INFO L85 PathProgramCache]: Analyzing trace with hash 49279358, now seen corresponding path program 1 times [2024-11-10 23:13:51,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:51,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276154463] [2024-11-10 23:13:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:51,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:51,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:51,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:52,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:52,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:52 BoogieIcfgContainer [2024-11-10 23:13:52,181 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:52,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:52,181 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:52,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:52,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:50" (3/4) ... [2024-11-10 23:13:52,184 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:52,236 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:52,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:52,238 INFO L158 Benchmark]: Toolchain (without parser) took 2965.30ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 108.2MB in the beginning and 107.2MB in the end (delta: 952.1kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-10 23:13:52,239 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:52,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.04ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 87.1MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:52,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.18ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 84.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:52,240 INFO L158 Benchmark]: Boogie Preprocessor took 46.78ms. Allocated memory is still 146.8MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:52,240 INFO L158 Benchmark]: IcfgBuilder took 516.22ms. Allocated memory is still 146.8MB. Free memory was 82.7MB in the beginning and 103.4MB in the end (delta: -20.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 23:13:52,241 INFO L158 Benchmark]: BuchiAutomizer took 1828.70ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 103.4MB in the beginning and 110.3MB in the end (delta: -6.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-10 23:13:52,241 INFO L158 Benchmark]: Witness Printer took 55.66ms. Allocated memory is still 178.3MB. Free memory was 110.3MB in the beginning and 107.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:52,242 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 146.8MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.04ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 87.1MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.18ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 84.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.78ms. Allocated memory is still 146.8MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 516.22ms. Allocated memory is still 146.8MB. Free memory was 82.7MB in the beginning and 103.4MB in the end (delta: -20.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1828.70ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 103.4MB in the beginning and 110.3MB in the end (delta: -6.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Witness Printer took 55.66ms. Allocated memory is still 178.3MB. Free memory was 110.3MB in the beginning and 107.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [453] - GenericResultAtLocation [Line: 603]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] - GenericResultAtLocation [Line: 673]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [673] - GenericResultAtLocation [Line: 682]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [682] - GenericResultAtLocation [Line: 721]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [721] - GenericResultAtLocation [Line: 802]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [802] * 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 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 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, 81 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 101 mSDtfsCounter, 10 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: 617]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L463] int pumpRunning = 0; [L464] int systemActive = 1; [L683] int methAndRunningLastTime ; [L723] int waterLevel = 1; [L724] int methaneLevelCritical = 0; [L803] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] int retValue_acc ; [L878] int tmp ; [L882] FCALL select_helpers() [L883] FCALL select_features() [L884] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] RET, EXPR valid_product() [L884] tmp = valid_product() [L886] COND TRUE \read(tmp) [L888] FCALL setup() [L889] CALL runTest() [L870] CALL __utac_acc__Specification2_spec__1() [L688] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] RET __utac_acc__Specification2_spec__1() [L871] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L617] COND TRUE 1 [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L662] CALL timeShift() [L471] COND FALSE !(\read(pumpRunning)) [L478] COND TRUE \read(systemActive) [L480] FCALL processEnvironment() [L486] CALL __utac_acc__Specification2_spec__2() [L693] int tmp ; [L694] int tmp___0 ; [L698] CALL, EXPR isMethaneLevelCritical() [L762] int retValue_acc ; [L765] retValue_acc = methaneLevelCritical [L766] return (retValue_acc); [L698] RET, EXPR isMethaneLevelCritical() [L698] tmp = isMethaneLevelCritical() [L700] COND FALSE !(\read(tmp)) [L716] methAndRunningLastTime = 0 [L486] RET __utac_acc__Specification2_spec__2() [L662] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 617]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L463] int pumpRunning = 0; [L464] int systemActive = 1; [L683] int methAndRunningLastTime ; [L723] int waterLevel = 1; [L724] int methaneLevelCritical = 0; [L803] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] int retValue_acc ; [L878] int tmp ; [L882] FCALL select_helpers() [L883] FCALL select_features() [L884] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] RET, EXPR valid_product() [L884] tmp = valid_product() [L886] COND TRUE \read(tmp) [L888] FCALL setup() [L889] CALL runTest() [L870] CALL __utac_acc__Specification2_spec__1() [L688] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] RET __utac_acc__Specification2_spec__1() [L871] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L617] COND TRUE 1 [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L662] CALL timeShift() [L471] COND FALSE !(\read(pumpRunning)) [L478] COND TRUE \read(systemActive) [L480] FCALL processEnvironment() [L486] CALL __utac_acc__Specification2_spec__2() [L693] int tmp ; [L694] int tmp___0 ; [L698] CALL, EXPR isMethaneLevelCritical() [L762] int retValue_acc ; [L765] retValue_acc = methaneLevelCritical [L766] return (retValue_acc); [L698] RET, EXPR isMethaneLevelCritical() [L698] tmp = isMethaneLevelCritical() [L700] COND FALSE !(\read(tmp)) [L716] methAndRunningLastTime = 0 [L486] RET __utac_acc__Specification2_spec__2() [L662] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:52,268 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)