./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product02.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_spec1_product02.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 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:12:49,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:12:49,252 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:12:49,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:12:49,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:12:49,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:12:49,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:12:49,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:12:49,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:12:49,310 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:12:49,311 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:12:49,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:12:49,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:12:49,313 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:12:49,314 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:12:49,314 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:12:49,315 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:12:49,315 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:12:49,315 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:12:49,316 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:12:49,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:12:49,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:12:49,317 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:12:49,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:12:49,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:12:49,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:12:49,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:12:49,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:12:49,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:12:49,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:12:49,319 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:12:49,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:12:49,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:12:49,328 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:12:49,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:12:49,328 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:12:49,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:12:49,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:12:49,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:12:49,330 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:12:49,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2024-11-10 23:12:49,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:12:49,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:12:49,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:12:49,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:12:49,631 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:12:49,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2024-11-10 23:12:51,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:12:51,424 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:12:51,425 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2024-11-10 23:12:51,441 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44175b76/b54b5cb549e2468e828c3b58b42840e5/FLAGb942250b8 [2024-11-10 23:12:51,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44175b76/b54b5cb549e2468e828c3b58b42840e5 [2024-11-10 23:12:51,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:12:51,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:12:51,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:12:51,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:12:51,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:12:51,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:12:51" (1/1) ... [2024-11-10 23:12:51,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36535874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:51, skipping insertion in model container [2024-11-10 23:12:51,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:12:51" (1/1) ... [2024-11-10 23:12:51,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:12:52,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:12:52,169 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:12:52,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-10 23:12:52,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [153] [2024-11-10 23:12:52,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [276] [2024-11-10 23:12:52,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [343] [2024-11-10 23:12:52,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] [2024-11-10 23:12:52,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [405] [2024-11-10 23:12:52,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [486] [2024-11-10 23:12:52,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [495] [2024-11-10 23:12:52,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:12:52,252 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:12:52,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52 WrapperNode [2024-11-10 23:12:52,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:12:52,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:12:52,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:12:52,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:12:52,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,315 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 36, statements flattened = 229 [2024-11-10 23:12:52,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:12:52,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:12:52,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:12:52,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:12:52,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,352 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 23:12:52,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,358 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:12:52,368 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:12:52,368 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:12:52,368 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:12:52,369 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (1/1) ... [2024-11-10 23:12:52,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:12:52,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:12:52,406 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 23:12:52,408 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 23:12:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:12:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:12:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:12:52,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:12:52,521 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:12:52,522 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:12:52,771 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L451-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-10 23:12:52,771 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L451-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-10 23:12:52,771 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L451-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-10 23:12:52,772 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L402-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2024-11-10 23:12:52,772 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2024-11-10 23:12:52,772 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2024-11-10 23:12:52,772 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2024-11-10 23:12:52,773 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:12:52,788 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-10 23:12:52,788 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:12:52,804 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:12:52,804 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:12:52,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:12:52 BoogieIcfgContainer [2024-11-10 23:12:52,805 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:12:52,806 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:12:52,806 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:12:52,811 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:12:52,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:12:52,817 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:12:51" (1/3) ... [2024-11-10 23:12:52,818 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b80920d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:12:52, skipping insertion in model container [2024-11-10 23:12:52,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:12:52,818 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:12:52" (2/3) ... [2024-11-10 23:12:52,818 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b80920d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:12:52, skipping insertion in model container [2024-11-10 23:12:52,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:12:52,819 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:12:52" (3/3) ... [2024-11-10 23:12:52,822 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2024-11-10 23:12:52,894 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:12:52,895 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:12:52,895 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:12:52,895 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:12:52,895 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:12:52,896 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:12:52,896 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:12:52,897 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:12:52,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:12:52,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2024-11-10 23:12:52,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:12:52,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:12:52,934 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:12:52,934 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 23:12:52,934 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:12:52,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:12:52,941 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2024-11-10 23:12:52,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:12:52,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:12:52,945 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:12:52,945 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 23:12:52,951 INFO L745 eck$LassoCheckResult]: Stem: 59#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 36#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 22#L393true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 11#L386true 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; 7#L401true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 65#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 50#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 77#L287true [2024-11-10 23:12:52,952 INFO L747 eck$LassoCheckResult]: Loop: 77#L287true assume true; 72#L287-1true assume !false;assume true; 43#L289true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 40#L297true assume !(0 != test_~tmp~1#1); 73#L305true havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 10#L307true assume !(0 != test_~tmp___0~0#1); 51#L315true havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 3#L317true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet17#1;test_~tmp___1~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 80#L325true assume 0 != test_~tmp___1~0#1; 37#L332true assume { :begin_inline_timeShift } true; 54#L169-2true assume !(0 != ~pumpRunning~0); 70#L176-2true assume !(0 != ~systemActive~0); 13#L184-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 24#L450-2true assume true;__utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; 44#L353-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 35#L367-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 8#L186-2true assume true;assume { :end_inline_timeShift } true; 77#L287true [2024-11-10 23:12:52,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:12:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash -44486503, now seen corresponding path program 1 times [2024-11-10 23:12:52,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:12:52,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035603987] [2024-11-10 23:12:52,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:12:52,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:12:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:12:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:12:53,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:12:53,137 INFO L85 PathProgramCache]: Analyzing trace with hash 777289784, now seen corresponding path program 1 times [2024-11-10 23:12:53,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:12:53,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858004857] [2024-11-10 23:12:53,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:12:53,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:12:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:12:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:12:53,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:12:53,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2132775584, now seen corresponding path program 1 times [2024-11-10 23:12:53,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:12:53,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267173454] [2024-11-10 23:12:53,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:12:53,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:12:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:12:53,307 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 23:12:53,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:12:53,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267173454] [2024-11-10 23:12:53,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267173454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:12:53,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:12:53,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:12:53,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092705701] [2024-11-10 23:12:53,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:12:53,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:12:53,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:12:53,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:12:53,487 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:12:53,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:12:53,509 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2024-11-10 23:12:53,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 90 transitions. [2024-11-10 23:12:53,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2024-11-10 23:12:53,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 62 states and 78 transitions. [2024-11-10 23:12:53,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2024-11-10 23:12:53,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2024-11-10 23:12:53,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2024-11-10 23:12:53,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:12:53,518 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2024-11-10 23:12:53,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2024-11-10 23:12:53,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-10 23:12:53,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 23:12:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2024-11-10 23:12:53,543 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2024-11-10 23:12:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:12:53,549 INFO L425 stractBuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2024-11-10 23:12:53,549 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:12:53,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 78 transitions. [2024-11-10 23:12:53,551 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2024-11-10 23:12:53,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:12:53,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:12:53,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:12:53,552 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 23:12:53,552 INFO L745 eck$LassoCheckResult]: Stem: 221#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 204#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 191#L393 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 176#L386 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; 172#L401 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 173#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 216#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 171#L287 [2024-11-10 23:12:53,552 INFO L747 eck$LassoCheckResult]: Loop: 171#L287 assume true; 224#L287-1 assume !false;assume true; 211#L289 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 207#L297 assume !(0 != test_~tmp~1#1); 188#L305 havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 174#L307 assume !(0 != test_~tmp___0~0#1); 175#L315 havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 163#L317 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 164#L273 assume true;assume { :end_inline_startSystem } true; 205#L332 assume { :begin_inline_timeShift } true; 206#L169-2 assume !(0 != ~pumpRunning~0); 182#L176-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 219#L193-2 assume true;assume { :end_inline_processEnvironment } true; 177#L184-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 178#L450-2 assume true;__utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; 192#L353-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 203#L367-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 170#L186-2 assume true;assume { :end_inline_timeShift } true; 171#L287 [2024-11-10 23:12:53,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:12:53,553 INFO L85 PathProgramCache]: Analyzing trace with hash -44486503, now seen corresponding path program 2 times [2024-11-10 23:12:53,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:12:53,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970718173] [2024-11-10 23:12:53,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:12:53,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:12:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:12:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:12:53,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:12:53,592 INFO L85 PathProgramCache]: Analyzing trace with hash -843531190, now seen corresponding path program 1 times [2024-11-10 23:12:53,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:12:53,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941336885] [2024-11-10 23:12:53,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:12:53,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:12:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:12:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:12:53,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:12:53,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1773144350, now seen corresponding path program 1 times [2024-11-10 23:12:53,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:12:53,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974245217] [2024-11-10 23:12:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:12:53,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:12:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:12:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:53,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:12:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:54,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:12:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:12:54,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:12:54 BoogieIcfgContainer [2024-11-10 23:12:54,634 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:12:54,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:12:54,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:12:54,634 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:12:54,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:12:52" (3/4) ... [2024-11-10 23:12:54,638 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:12:54,697 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:12:54,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:12:54,700 INFO L158 Benchmark]: Toolchain (without parser) took 2912.85ms. Allocated memory is still 155.2MB. Free memory was 117.7MB in the beginning and 67.1MB in the end (delta: 50.6MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2024-11-10 23:12:54,701 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:12:54,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.73ms. Allocated memory is still 155.2MB. Free memory was 117.7MB in the beginning and 97.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:12:54,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.87ms. Allocated memory is still 155.2MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:12:54,701 INFO L158 Benchmark]: Boogie Preprocessor took 50.56ms. Allocated memory is still 155.2MB. Free memory was 95.2MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:12:54,702 INFO L158 Benchmark]: IcfgBuilder took 436.74ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 75.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 23:12:54,702 INFO L158 Benchmark]: BuchiAutomizer took 1827.87ms. Allocated memory is still 155.2MB. Free memory was 75.3MB in the beginning and 69.2MB in the end (delta: 6.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-10 23:12:54,702 INFO L158 Benchmark]: Witness Printer took 65.52ms. Allocated memory is still 155.2MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:12:54,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.73ms. Allocated memory is still 155.2MB. Free memory was 117.7MB in the beginning and 97.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.87ms. Allocated memory is still 155.2MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.56ms. Allocated memory is still 155.2MB. Free memory was 95.2MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 436.74ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 75.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1827.87ms. Allocated memory is still 155.2MB. Free memory was 75.3MB in the beginning and 69.2MB in the end (delta: 6.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 65.52ms. Allocated memory is still 155.2MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [153] - GenericResultAtLocation [Line: 276]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [276] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [343] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [405] - GenericResultAtLocation [Line: 486]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [486] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [495] * 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 62 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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, 71 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 87 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, 87 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: 287]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L665] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L397] int retValue_acc ; [L400] retValue_acc = 1 [L401] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L287] COND TRUE 1 [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND TRUE \read(tmp___2) [L319] CALL startSystem() [L272] systemActive = 1 [L319] RET startSystem() [L332] CALL timeShift() [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L178] FCALL processEnvironment() [L184] CALL __utac_acc__Specification1_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L351] CALL, EXPR isMethaneLevelCritical() [L446] int retValue_acc ; [L449] retValue_acc = methaneLevelCritical [L450] return (retValue_acc); [L351] RET, EXPR isMethaneLevelCritical() [L351] tmp = isMethaneLevelCritical() [L353] COND FALSE !(\read(tmp)) [L184] RET __utac_acc__Specification1_spec__1() [L332] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 287]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L665] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L397] int retValue_acc ; [L400] retValue_acc = 1 [L401] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L287] COND TRUE 1 [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND TRUE \read(tmp___2) [L319] CALL startSystem() [L272] systemActive = 1 [L319] RET startSystem() [L332] CALL timeShift() [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L178] FCALL processEnvironment() [L184] CALL __utac_acc__Specification1_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L351] CALL, EXPR isMethaneLevelCritical() [L446] int retValue_acc ; [L449] retValue_acc = methaneLevelCritical [L450] return (retValue_acc); [L351] RET, EXPR isMethaneLevelCritical() [L351] tmp = isMethaneLevelCritical() [L353] COND FALSE !(\read(tmp)) [L184] RET __utac_acc__Specification1_spec__1() [L332] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:12:54,740 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)