./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 3289d67d 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-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:45:23,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:45:23,599 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:45:23,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:45:23,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:45:23,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:45:23,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:45:23,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:45:23,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:45:23,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:45:23,631 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:45:23,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:45:23,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:45:23,632 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:45:23,632 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:45:23,632 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:45:23,632 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:45:23,632 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:45:23,633 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:45:23,633 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:45:23,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:45:23,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:45:23,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:45:23,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:45:23,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:45:23,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:45:23,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:45:23,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:45:23,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:45:23,638 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:45:23,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:45:23,638 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:45:23,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:45:23,638 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:45:23,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:45:23,639 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:45:23,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:45:23,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:45:23,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:45:23,639 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:45:23,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 [2024-11-17 08:45:23,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:45:23,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:45:23,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:45:23,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:45:23,852 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:45:23,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2024-11-17 08:45:25,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:45:25,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:45:25,356 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2024-11-17 08:45:25,375 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f53372253/8b26fe6ce02f4acbb82c0c1b92386d7c/FLAGdfb991f30 [2024-11-17 08:45:25,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f53372253/8b26fe6ce02f4acbb82c0c1b92386d7c [2024-11-17 08:45:25,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:45:25,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:45:25,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:25,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:45:25,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:45:25,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370e429d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25, skipping insertion in model container [2024-11-17 08:45:25,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:45:25,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:25,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:45:25,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-17 08:45:25,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] [2024-11-17 08:45:25,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [144] [2024-11-17 08:45:25,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [214] [2024-11-17 08:45:25,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [314] [2024-11-17 08:45:25,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [680] [2024-11-17 08:45:25,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [817] [2024-11-17 08:45:25,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] [2024-11-17 08:45:25,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:25,788 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:45:25,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25 WrapperNode [2024-11-17 08:45:25,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:25,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:25,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:45:25,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:45:25,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,837 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 36, statements flattened = 229 [2024-11-17 08:45:25,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:25,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:45:25,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:45:25,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:45:25,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,872 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]. [2024-11-17 08:45:25,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,879 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:45:25,888 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:45:25,888 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:45:25,888 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:45:25,889 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (1/1) ... [2024-11-17 08:45:25,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:45:25,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:45:25,918 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) [2024-11-17 08:45:25,920 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 [2024-11-17 08:45:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:45:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:45:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:45:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:45:26,011 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:45:26,013 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:45:26,196 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-17 08:45:26,197 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-17 08:45:26,197 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-17 08:45:26,197 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L311-1: main_#res#1 := main_~retValue_acc~2#1; [2024-11-17 08:45:26,197 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L875-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2024-11-17 08:45:26,197 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L109-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-17 08:45:26,197 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L109-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-17 08:45:26,197 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L109-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-17 08:45:26,209 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-17 08:45:26,210 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:45:26,219 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:45:26,220 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:45:26,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:26 BoogieIcfgContainer [2024-11-17 08:45:26,220 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:45:26,221 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:45:26,221 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:45:26,227 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:45:26,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:26,228 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:45:25" (1/3) ... [2024-11-17 08:45:26,229 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23eb1299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:26, skipping insertion in model container [2024-11-17 08:45:26,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:26,229 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:25" (2/3) ... [2024-11-17 08:45:26,229 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23eb1299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:26, skipping insertion in model container [2024-11-17 08:45:26,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:26,230 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:26" (3/3) ... [2024-11-17 08:45:26,231 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2024-11-17 08:45:26,283 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:45:26,283 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:45:26,283 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:45:26,283 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:45:26,283 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:45:26,284 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:45:26,284 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:45:26,284 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:45:26,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.35) internal successors, (108), 80 states have internal predecessors, (108), 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) [2024-11-17 08:45:26,307 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2024-11-17 08:45:26,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:26,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:26,313 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:26,314 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:26,314 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:45:26,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.35) internal successors, (108), 80 states have internal predecessors, (108), 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) [2024-11-17 08:45:26,319 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2024-11-17 08:45:26,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:26,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:26,321 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:26,321 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:26,325 INFO L745 eck$LassoCheckResult]: Stem: 64#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 37#ULTIMATE.init_returnLabel#1true assume true;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; 13#L866true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 60#L859true assume 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; 16#L874true assume true;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; 28#L301true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 47#L275true assume 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; 19#L158true [2024-11-17 08:45:26,326 INFO L747 eck$LassoCheckResult]: Loop: 19#L158true assume true; 33#L158-1true assume !false; 17#test_while_0_continue#1true assume true; 31#L160true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 4#L168true assume !(0 != test_~tmp~0#1); 52#L176true havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 39#L178true assume !(0 != test_~tmp___0~0#1); 74#L186true havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 22#L188true 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; 75#L196true assume 0 != test_~tmp___1~0#1; 38#L203true assume { :begin_inline_timeShift } true; 35#L692-2true assume !(0 != ~pumpRunning~0); 15#L699-2true assume !(0 != ~systemActive~0); 53#L707-2true 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; 34#L108-2true assume true;__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; 78#L826-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 80#L840-2true assume 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;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 5#L709-2true assume true;assume { :end_inline_timeShift } true; 19#L158true [2024-11-17 08:45:26,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:26,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1878660777, now seen corresponding path program 1 times [2024-11-17 08:45:26,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:26,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824795728] [2024-11-17 08:45:26,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:26,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:26,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:26,472 INFO L85 PathProgramCache]: Analyzing trace with hash 668843721, now seen corresponding path program 1 times [2024-11-17 08:45:26,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:26,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451026015] [2024-11-17 08:45:26,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:26,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:26,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:26,488 INFO L85 PathProgramCache]: Analyzing trace with hash -891797857, now seen corresponding path program 1 times [2024-11-17 08:45:26,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:26,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548370963] [2024-11-17 08:45:26,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:26,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:45:26,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:45:26,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:45:26,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548370963] [2024-11-17 08:45:26,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548370963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:45:26,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:45:26,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:45:26,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328141000] [2024-11-17 08:45:26,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:45:26,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:45:26,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:45:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:45:26,776 INFO L87 Difference]: Start difference. First operand has 81 states, 80 states have (on average 1.35) internal successors, (108), 80 states have internal predecessors, (108), 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 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:26,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:45:26,827 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions. [2024-11-17 08:45:26,828 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 92 transitions. [2024-11-17 08:45:26,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2024-11-17 08:45:26,840 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 64 states and 80 transitions. [2024-11-17 08:45:26,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 64 [2024-11-17 08:45:26,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2024-11-17 08:45:26,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 80 transitions. [2024-11-17 08:45:26,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:45:26,845 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 80 transitions. [2024-11-17 08:45:26,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 80 transitions. [2024-11-17 08:45:26,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-17 08:45:26,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.25) internal successors, (80), 63 states have internal predecessors, (80), 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) [2024-11-17 08:45:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2024-11-17 08:45:26,866 INFO L240 hiAutomatonCegarLoop]: Abstraction has 64 states and 80 transitions. [2024-11-17 08:45:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:45:26,873 INFO L425 stractBuchiCegarLoop]: Abstraction has 64 states and 80 transitions. [2024-11-17 08:45:26,874 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:45:26,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 80 transitions. [2024-11-17 08:45:26,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2024-11-17 08:45:26,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:26,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:26,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:26,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:26,880 INFO L745 eck$LassoCheckResult]: Stem: 227#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 212#ULTIMATE.init_returnLabel#1 assume true;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; 182#L866 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 183#L859 assume 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; 186#L874 assume true;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; 187#L301 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 203#L275 assume 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; 170#L158 [2024-11-17 08:45:26,880 INFO L747 eck$LassoCheckResult]: Loop: 170#L158 assume true; 192#L158-1 assume !false; 188#test_while_0_continue#1 assume true; 189#L160 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 171#L168 assume !(0 != test_~tmp~0#1); 173#L176 havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 213#L178 assume !(0 != test_~tmp___0~0#1); 214#L186 havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 194#L188 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 195#L814 assume true;assume { :end_inline_startSystem } true; 199#L203 assume { :begin_inline_timeShift } true; 210#L692-2 assume !(0 != ~pumpRunning~0); 184#L699-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 185#L716-2 assume true;assume { :end_inline_processEnvironment } true; 217#L707-2 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; 208#L108-2 assume true;__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; 209#L826-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 228#L840-2 assume 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;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 169#L709-2 assume true;assume { :end_inline_timeShift } true; 170#L158 [2024-11-17 08:45:26,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:26,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1878660777, now seen corresponding path program 2 times [2024-11-17 08:45:26,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:26,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646891149] [2024-11-17 08:45:26,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:26,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:26,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:26,906 INFO L85 PathProgramCache]: Analyzing trace with hash 89608152, now seen corresponding path program 1 times [2024-11-17 08:45:26,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:26,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786661380] [2024-11-17 08:45:26,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:26,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:26,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:26,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1045640510, now seen corresponding path program 1 times [2024-11-17 08:45:26,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:26,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105951670] [2024-11-17 08:45:26,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:26,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:26,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:45:27 BoogieIcfgContainer [2024-11-17 08:45:27,636 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:45:27,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:45:27,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:45:27,637 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:45:27,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:26" (3/4) ... [2024-11-17 08:45:27,640 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:45:27,679 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:45:27,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:45:27,680 INFO L158 Benchmark]: Toolchain (without parser) took 2286.72ms. Allocated memory was 138.4MB in the beginning and 224.4MB in the end (delta: 86.0MB). Free memory was 67.3MB in the beginning and 178.3MB in the end (delta: -110.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:45:27,680 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 100.1MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:45:27,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.98ms. Allocated memory was 138.4MB in the beginning and 224.4MB in the end (delta: 86.0MB). Free memory was 67.2MB in the beginning and 186.2MB in the end (delta: -119.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-17 08:45:27,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.17ms. Allocated memory is still 224.4MB. Free memory was 186.2MB in the beginning and 183.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:27,681 INFO L158 Benchmark]: Boogie Preprocessor took 49.18ms. Allocated memory is still 224.4MB. Free memory was 183.1MB in the beginning and 182.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:27,681 INFO L158 Benchmark]: IcfgBuilder took 332.26ms. Allocated memory is still 224.4MB. Free memory was 181.0MB in the beginning and 163.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 08:45:27,681 INFO L158 Benchmark]: BuchiAutomizer took 1414.75ms. Allocated memory is still 224.4MB. Free memory was 163.2MB in the beginning and 181.4MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:45:27,681 INFO L158 Benchmark]: Witness Printer took 42.83ms. Allocated memory is still 224.4MB. Free memory was 181.4MB in the beginning and 178.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:27,683 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 100.1MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.98ms. Allocated memory was 138.4MB in the beginning and 224.4MB in the end (delta: 86.0MB). Free memory was 67.2MB in the beginning and 186.2MB in the end (delta: -119.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.17ms. Allocated memory is still 224.4MB. Free memory was 186.2MB in the beginning and 183.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.18ms. Allocated memory is still 224.4MB. Free memory was 183.1MB in the beginning and 182.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 332.26ms. Allocated memory is still 224.4MB. Free memory was 181.0MB in the beginning and 163.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1414.75ms. Allocated memory is still 224.4MB. Free memory was 163.2MB in the beginning and 181.4MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 42.83ms. Allocated memory is still 224.4MB. Free memory was 181.4MB in the beginning and 178.3MB 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 3 locations. The remainder module has 64 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 72 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 89 mSDtfsCounter, 3 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 TRUE \read(tmp___2) [L190] CALL startSystem() [L813] systemActive = 1 [L190] RET startSystem() [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 TRUE \read(tmp___2) [L190] CALL startSystem() [L813] systemActive = 1 [L190] RET startSystem() [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! [2024-11-17 08:45:27,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)