./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product04.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_product04.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:41,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:41,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:41,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:41,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:41,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:41,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:41,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:41,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:41,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:41,621 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:41,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:41,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:41,622 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:41,622 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:41,622 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:41,623 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:41,623 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:41,623 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:41,623 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:41,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:41,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:41,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:41,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:41,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:41,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:41,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:41,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:41,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:41,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:41,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:41,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:41,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:41,629 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:41,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:41,630 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:41,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:41,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:41,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:41,631 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:41,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2024-11-10 23:13:41,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:41,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:41,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:41,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:41,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:41,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2024-11-10 23:13:43,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:43,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:43,368 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2024-11-10 23:13:43,381 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0e703f8/867e2938e6f049d09c56dd55cdd49bb0/FLAG70b455f1a [2024-11-10 23:13:43,394 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0e703f8/867e2938e6f049d09c56dd55cdd49bb0 [2024-11-10 23:13:43,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:43,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:43,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:43,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:43,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:43,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150093ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43, skipping insertion in model container [2024-11-10 23:13:43,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:43,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:43,632 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:43,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:13:43,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] [2024-11-10 23:13:43,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2024-11-10 23:13:43,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [556] [2024-11-10 23:13:43,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [627] [2024-11-10 23:13:43,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [764] [2024-11-10 23:13:43,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [773] [2024-11-10 23:13:43,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [854] [2024-11-10 23:13:43,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:43,736 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:43,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43 WrapperNode [2024-11-10 23:13:43,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:43,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:43,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:43,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:43,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,777 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 46, calls inlined = 39, statements flattened = 252 [2024-11-10 23:13:43,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:43,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:43,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:43,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:43,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,810 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 23:13:43,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:43,820 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:43,824 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:43,824 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:43,825 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (1/1) ... [2024-11-10 23:13:43,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:43,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:43,872 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 23:13:43,880 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 23:13:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:43,997 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:43,998 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:44,190 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L450-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2024-11-10 23:13:44,191 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-1: main_#res#1 := main_~retValue_acc~5#1; [2024-11-10 23:13:44,191 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:13:44,191 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:13:44,191 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:13:44,191 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L819-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:13:44,191 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L819-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:13:44,191 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L819-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:13:44,203 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:44,203 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:44,217 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:44,218 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:44,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:44 BoogieIcfgContainer [2024-11-10 23:13:44,219 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:44,219 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:44,220 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:44,223 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:44,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:44,223 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:43" (1/3) ... [2024-11-10 23:13:44,224 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f5f3fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:44, skipping insertion in model container [2024-11-10 23:13:44,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:44,225 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:43" (2/3) ... [2024-11-10 23:13:44,225 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f5f3fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:44, skipping insertion in model container [2024-11-10 23:13:44,225 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:44,225 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:44" (3/3) ... [2024-11-10 23:13:44,226 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2024-11-10 23:13:44,264 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:44,265 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:44,265 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:44,265 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:44,265 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:44,265 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:44,265 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:44,265 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:44,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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 23:13:44,292 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2024-11-10 23:13:44,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:44,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:44,304 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:44,304 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 23:13:44,305 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:44,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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 23:13:44,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2024-11-10 23:13:44,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:44,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:44,310 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:44,310 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 23:13:44,314 INFO L745 eck$LassoCheckResult]: Stem: 72#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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 44#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 33#L441true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 23#L434true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 2#L449true assume true;main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 65#L543true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 24#L517true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 47#L861true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#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; 49#L569true [2024-11-10 23:13:44,314 INFO L747 eck$LassoCheckResult]: Loop: 49#L569true assume true; 10#L569-1true assume !false;assume true; 73#L571true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 14#L579true assume !(0 != test_~tmp~4#1); 81#L587true havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 16#L589true assume !(0 != test_~tmp___0~0#1); 63#L597true havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 79#L599true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 39#L761true assume true;assume { :end_inline_startSystem } true; 51#L616true assume { :begin_inline_timeShift } true; 52#L642-2true assume !(0 != ~pumpRunning~0); 76#L649-2true assume !(0 != ~systemActive~0); 53#L657-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 42#L818-2true assume true;__utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 58#L872-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 26#L890-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#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; 12#L659-2true assume true;assume { :end_inline_timeShift } true; 49#L569true [2024-11-10 23:13:44,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:44,319 INFO L85 PathProgramCache]: Analyzing trace with hash -135325030, now seen corresponding path program 1 times [2024-11-10 23:13:44,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:44,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103114470] [2024-11-10 23:13:44,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:44,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:44,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:44,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:44,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:44,462 INFO L85 PathProgramCache]: Analyzing trace with hash 620297797, now seen corresponding path program 1 times [2024-11-10 23:13:44,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:44,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118087366] [2024-11-10 23:13:44,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:44,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:44,545 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 23:13:44,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:44,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118087366] [2024-11-10 23:13:44,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118087366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:44,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:44,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:13:44,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405083984] [2024-11-10 23:13:44,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:44,550 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:44,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:44,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:44,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:44,595 INFO L87 Difference]: Start difference. First operand has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:44,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:44,657 INFO L93 Difference]: Finished difference Result 152 states and 196 transitions. [2024-11-10 23:13:44,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 196 transitions. [2024-11-10 23:13:44,662 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2024-11-10 23:13:44,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 130 states and 173 transitions. [2024-11-10 23:13:44,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 130 [2024-11-10 23:13:44,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 130 [2024-11-10 23:13:44,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 130 states and 173 transitions. [2024-11-10 23:13:44,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:44,670 INFO L218 hiAutomatonCegarLoop]: Abstraction has 130 states and 173 transitions. [2024-11-10 23:13:44,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states and 173 transitions. [2024-11-10 23:13:44,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2024-11-10 23:13:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 127 states have (on average 1.330708661417323) internal successors, (169), 126 states have internal predecessors, (169), 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 23:13:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 169 transitions. [2024-11-10 23:13:44,719 INFO L240 hiAutomatonCegarLoop]: Abstraction has 127 states and 169 transitions. [2024-11-10 23:13:44,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:44,729 INFO L425 stractBuchiCegarLoop]: Abstraction has 127 states and 169 transitions. [2024-11-10 23:13:44,729 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:44,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states and 169 transitions. [2024-11-10 23:13:44,734 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 91 [2024-11-10 23:13:44,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:44,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:44,735 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:44,735 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:44,735 INFO L745 eck$LassoCheckResult]: Stem: 336#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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 311#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 295#L441 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 284#L434 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 248#L449 assume true;main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 249#L543 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 285#L517 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 286#L861 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#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; 313#L569 [2024-11-10 23:13:44,736 INFO L747 eck$LassoCheckResult]: Loop: 313#L569 assume true; 350#L569-1 assume !false;assume true; 349#L571 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 348#L579 assume !(0 != test_~tmp~4#1); 347#L587 havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 345#L589 assume !(0 != test_~tmp___0~0#1); 329#L597 havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 330#L599 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet32#1;test_~tmp___1~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 314#L607 assume !(0 != test_~tmp___1~0#1); 304#L616 assume { :begin_inline_timeShift } true; 317#L642-2 assume !(0 != ~pumpRunning~0); 319#L649-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 338#L666-2 assume true;assume { :end_inline_processEnvironment } true; 320#L657-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 308#L818-2 assume true;__utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 309#L872-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 352#L890-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#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; 351#L659-2 assume true;assume { :end_inline_timeShift } true; 313#L569 [2024-11-10 23:13:44,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:44,737 INFO L85 PathProgramCache]: Analyzing trace with hash -135325030, now seen corresponding path program 2 times [2024-11-10 23:13:44,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:44,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101703153] [2024-11-10 23:13:44,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:44,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:44,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:44,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:44,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:44,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1757066526, now seen corresponding path program 1 times [2024-11-10 23:13:44,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:44,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985724791] [2024-11-10 23:13:44,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:44,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:44,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:44,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:44,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:44,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1245073723, now seen corresponding path program 1 times [2024-11-10 23:13:44,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:44,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550343446] [2024-11-10 23:13:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:44,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:44,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:44,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:45,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:45,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:45 BoogieIcfgContainer [2024-11-10 23:13:45,615 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:45,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:45,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:45,615 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:45,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:44" (3/4) ... [2024-11-10 23:13:45,617 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:45,713 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:45,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:45,718 INFO L158 Benchmark]: Toolchain (without parser) took 2319.98ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 85.7MB in the beginning and 193.3MB in the end (delta: -107.5MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2024-11-10 23:13:45,719 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:45,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.87ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 64.7MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:45,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.20ms. Allocated memory is still 159.4MB. Free memory was 64.7MB in the beginning and 62.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:45,721 INFO L158 Benchmark]: Boogie Preprocessor took 40.10ms. Allocated memory is still 159.4MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:45,721 INFO L158 Benchmark]: IcfgBuilder took 398.77ms. Allocated memory is still 159.4MB. Free memory was 60.3MB in the beginning and 117.5MB in the end (delta: -57.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-10 23:13:45,722 INFO L158 Benchmark]: BuchiAutomizer took 1395.46ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 117.5MB in the beginning and 64.7MB in the end (delta: 52.7MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. [2024-11-10 23:13:45,722 INFO L158 Benchmark]: Witness Printer took 102.13ms. Allocated memory is still 226.5MB. Free memory was 64.7MB in the beginning and 193.3MB in the end (delta: -128.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:45,723 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 159.4MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.87ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 64.7MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.20ms. Allocated memory is still 159.4MB. Free memory was 64.7MB in the beginning and 62.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.10ms. Allocated memory is still 159.4MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 398.77ms. Allocated memory is still 159.4MB. Free memory was 60.3MB in the beginning and 117.5MB in the end (delta: -57.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1395.46ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 117.5MB in the beginning and 64.7MB in the end (delta: 52.7MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. * Witness Printer took 102.13ms. Allocated memory is still 226.5MB. Free memory was 64.7MB in the beginning and 193.3MB in the end (delta: -128.5MB). Peak memory consumption was 4.2MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 556]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [556] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [627] - GenericResultAtLocation [Line: 764]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [764] - GenericResultAtLocation [Line: 773]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [773] - GenericResultAtLocation [Line: 854]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [854] * 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 127 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 102 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 569]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L634] int pumpRunning = 0; [L635] int systemActive = 1; [L775] int waterLevel = 1; [L776] int methaneLevelCritical = 0; [L855] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L860] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L560] int splverifierCounter ; [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L564] int tmp___2 ; [L567] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L569] COND TRUE 1 [L571] COND TRUE splverifierCounter < 4 [L577] tmp = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp)) [L587] tmp___0 = __VERIFIER_nondet_int() [L589] COND FALSE !(\read(tmp___0)) [L597] tmp___2 = __VERIFIER_nondet_int() [L599] COND FALSE !(\read(tmp___2)) [L605] tmp___1 = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp___1)) [L616] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] FCALL processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L865] int tmp ; [L866] int tmp___0 ; [L870] CALL, EXPR isMethaneLevelCritical() [L814] int retValue_acc ; [L817] retValue_acc = methaneLevelCritical [L818] return (retValue_acc); [L870] RET, EXPR isMethaneLevelCritical() [L870] tmp = isMethaneLevelCritical() [L872] COND FALSE !(\read(tmp)) [L888] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L616] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 569]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L634] int pumpRunning = 0; [L635] int systemActive = 1; [L775] int waterLevel = 1; [L776] int methaneLevelCritical = 0; [L855] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L860] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L560] int splverifierCounter ; [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L564] int tmp___2 ; [L567] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L569] COND TRUE 1 [L571] COND TRUE splverifierCounter < 4 [L577] tmp = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp)) [L587] tmp___0 = __VERIFIER_nondet_int() [L589] COND FALSE !(\read(tmp___0)) [L597] tmp___2 = __VERIFIER_nondet_int() [L599] COND FALSE !(\read(tmp___2)) [L605] tmp___1 = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp___1)) [L616] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] FCALL processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L865] int tmp ; [L866] int tmp___0 ; [L870] CALL, EXPR isMethaneLevelCritical() [L814] int retValue_acc ; [L817] retValue_acc = methaneLevelCritical [L818] return (retValue_acc); [L870] RET, EXPR isMethaneLevelCritical() [L870] tmp = isMethaneLevelCritical() [L872] COND FALSE !(\read(tmp)) [L888] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L616] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:45,747 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)