./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_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 b31717b9bd1ac5cd1350f18acb90cf1947e367b4bc98f1fbfc3c2d7d8e7480dc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:48:16,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:48:16,448 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:48:16,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:48:16,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:48:16,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:48:16,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:48:16,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:48:16,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:48:16,476 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:48:16,476 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:48:16,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:48:16,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:48:16,478 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:48:16,478 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:48:16,478 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:48:16,479 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:48:16,483 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:48:16,483 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:48:16,484 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:48:16,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:48:16,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:48:16,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:48:16,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:48:16,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:48:16,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:48:16,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:48:16,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:48:16,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:48:16,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:48:16,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:48:16,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:48:16,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:48:16,487 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:48:16,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:48:16,487 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:48:16,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:48:16,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:48:16,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:48:16,489 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:48:16,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b31717b9bd1ac5cd1350f18acb90cf1947e367b4bc98f1fbfc3c2d7d8e7480dc [2024-11-17 08:48:16,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:48:16,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:48:16,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:48:16,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:48:16,762 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:48:16,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2024-11-17 08:48:18,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:48:18,229 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:48:18,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2024-11-17 08:48:18,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ed1a58a/a1f52e1f0a7942cf968324101d14e2d9/FLAGbe7ea7838 [2024-11-17 08:48:18,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ed1a58a/a1f52e1f0a7942cf968324101d14e2d9 [2024-11-17 08:48:18,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:48:18,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:48:18,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:18,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:48:18,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:48:18,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:18" (1/1) ... [2024-11-17 08:48:18,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24985c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:18, skipping insertion in model container [2024-11-17 08:48:18,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:18" (1/1) ... [2024-11-17 08:48:18,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:18,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:18,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:18,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2024-11-17 08:48:18,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] [2024-11-17 08:48:18,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] [2024-11-17 08:48:18,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [315] [2024-11-17 08:48:18,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [681] [2024-11-17 08:48:18,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761] [2024-11-17 08:48:18,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [861] [2024-11-17 08:48:18,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [870] [2024-11-17 08:48:19,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:19,043 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:19,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19 WrapperNode [2024-11-17 08:48:19,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:19,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:19,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:19,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:19,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,083 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 45, statements flattened = 276 [2024-11-17 08:48:19,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:19,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:19,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:19,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:19,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,103 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,118 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:48:19,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,125 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:19,136 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:19,136 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:19,136 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:19,137 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (1/1) ... [2024-11-17 08:48:19,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:19,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:19,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:48:19,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:48:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:19,284 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:19,286 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:19,568 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L253-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:19,572 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L253-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:19,572 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L253-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:19,572 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L253-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:19,572 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L253-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:19,572 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L253-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:19,573 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L758-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-17 08:48:19,573 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L758-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-17 08:48:19,573 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L758-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-17 08:48:19,573 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L858-1: main_#res#1 := main_~retValue_acc~7#1; [2024-11-17 08:48:19,573 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L902-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2024-11-17 08:48:19,590 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:19,590 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:19,602 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:19,602 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:19,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:19 BoogieIcfgContainer [2024-11-17 08:48:19,603 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:19,603 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:19,603 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:19,607 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:19,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:19,608 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:48:18" (1/3) ... [2024-11-17 08:48:19,608 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a99fea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:19, skipping insertion in model container [2024-11-17 08:48:19,608 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:19,609 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:19" (2/3) ... [2024-11-17 08:48:19,609 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a99fea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:19, skipping insertion in model container [2024-11-17 08:48:19,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:19,609 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:19" (3/3) ... [2024-11-17 08:48:19,610 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2024-11-17 08:48:19,653 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:19,653 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:19,653 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:19,653 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:19,653 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:19,653 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:19,653 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:19,653 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:19,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 95 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:19,675 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-17 08:48:19,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:19,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:19,681 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:19,681 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:19,681 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:19,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 95 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:19,685 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-17 08:48:19,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:19,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:19,686 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:19,686 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:19,690 INFO L745 eck$LassoCheckResult]: Stem: 65#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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 38#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 16#L893true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 93#L886true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 85#L901true assume true;main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 56#L848true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 79#L821true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 49#L59true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 34#L118true [2024-11-17 08:48:19,691 INFO L747 eck$LassoCheckResult]: Loop: 34#L118true assume true; 68#L118-1true assume !false; 17#test_while_0_continue#1true assume true; 57#L120true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 69#L128true assume !(0 != test_~tmp~1#1); 20#L136true havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 89#L138true assume !(0 != test_~tmp___0~1#1); 27#L146true havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 40#L148true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 80#L156true assume !(0 != test_~tmp___1~0#1); 14#L165true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 9#L252-5true assume true;__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 47#L69-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 60#L193-2true assume !(0 != ~pumpRunning~0); 22#L200-2true assume !(0 != ~systemActive~0); 54#L208-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 73#L757-2true assume true;__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 24#L80-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 18#L98-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 71#L210-2true assume true;assume { :end_inline_timeShift } true; 34#L118true [2024-11-17 08:48:19,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:19,696 INFO L85 PathProgramCache]: Analyzing trace with hash -526638438, now seen corresponding path program 1 times [2024-11-17 08:48:19,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:19,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001394043] [2024-11-17 08:48:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:19,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:19,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:19,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:19,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:19,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1397445350, now seen corresponding path program 1 times [2024-11-17 08:48:19,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:19,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067612026] [2024-11-17 08:48:19,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:19,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:19,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:19,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:19,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:19,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1511182593, now seen corresponding path program 1 times [2024-11-17 08:48:19,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:19,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161558585] [2024-11-17 08:48:19,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:20,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:20,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161558585] [2024-11-17 08:48:20,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161558585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:20,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:20,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:48:20,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283728722] [2024-11-17 08:48:20,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:20,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:20,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:48:20,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:48:20,213 INFO L87 Difference]: Start difference. First operand has 95 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 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 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:20,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:20,327 INFO L93 Difference]: Finished difference Result 244 states and 307 transitions. [2024-11-17 08:48:20,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 307 transitions. [2024-11-17 08:48:20,340 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 156 [2024-11-17 08:48:20,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 211 states and 274 transitions. [2024-11-17 08:48:20,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2024-11-17 08:48:20,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2024-11-17 08:48:20,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 274 transitions. [2024-11-17 08:48:20,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:20,348 INFO L218 hiAutomatonCegarLoop]: Abstraction has 211 states and 274 transitions. [2024-11-17 08:48:20,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 274 transitions. [2024-11-17 08:48:20,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 140. [2024-11-17 08:48:20,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 140 states have (on average 1.3) internal successors, (182), 139 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 182 transitions. [2024-11-17 08:48:20,387 INFO L240 hiAutomatonCegarLoop]: Abstraction has 140 states and 182 transitions. [2024-11-17 08:48:20,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 08:48:20,397 INFO L425 stractBuchiCegarLoop]: Abstraction has 140 states and 182 transitions. [2024-11-17 08:48:20,398 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:20,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 182 transitions. [2024-11-17 08:48:20,401 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 101 [2024-11-17 08:48:20,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:20,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:20,405 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:20,405 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:20,405 INFO L745 eck$LassoCheckResult]: Stem: 427#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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 403#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 372#L893 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 373#L886 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 434#L901 assume true;main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 419#L848 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 420#L821 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 412#L59 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 399#L118 [2024-11-17 08:48:20,405 INFO L747 eck$LassoCheckResult]: Loop: 399#L118 assume true; 400#L118-1 assume !false; 374#test_while_0_continue#1 assume true; 375#L120 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 421#L128 assume !(0 != test_~tmp~1#1); 379#L136 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 380#L138 assume !(0 != test_~tmp___0~1#1); 389#L146 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 390#L148 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 404#L156 assume !(0 != test_~tmp___1~0#1); 369#L165 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 361#L252-5 assume true;__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 362#L69-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 411#L193-2 assume !(0 != ~pumpRunning~0); 383#L200-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 384#L217-2 assume true;assume { :end_inline_processEnvironment } true; 417#L208-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 418#L757-2 assume true;__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 385#L80-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 358#L98-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 376#L210-2 assume true;assume { :end_inline_timeShift } true; 399#L118 [2024-11-17 08:48:20,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:20,406 INFO L85 PathProgramCache]: Analyzing trace with hash -526638438, now seen corresponding path program 2 times [2024-11-17 08:48:20,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:20,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219366924] [2024-11-17 08:48:20,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:20,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:20,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:20,462 INFO L85 PathProgramCache]: Analyzing trace with hash -484003187, now seen corresponding path program 1 times [2024-11-17 08:48:20,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:20,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207528792] [2024-11-17 08:48:20,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:20,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:20,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:20,477 INFO L85 PathProgramCache]: Analyzing trace with hash -457156204, now seen corresponding path program 1 times [2024-11-17 08:48:20,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:20,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986721109] [2024-11-17 08:48:20,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:20,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:20,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:20,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986721109] [2024-11-17 08:48:20,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986721109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:20,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:20,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:48:20,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664526643] [2024-11-17 08:48:20,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:20,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:20,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:48:20,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:48:20,617 INFO L87 Difference]: Start difference. First operand 140 states and 182 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:20,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:20,713 INFO L93 Difference]: Finished difference Result 264 states and 334 transitions. [2024-11-17 08:48:20,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 264 states and 334 transitions. [2024-11-17 08:48:20,718 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 190 [2024-11-17 08:48:20,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 264 states to 264 states and 334 transitions. [2024-11-17 08:48:20,723 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 264 [2024-11-17 08:48:20,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 264 [2024-11-17 08:48:20,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 264 states and 334 transitions. [2024-11-17 08:48:20,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:20,728 INFO L218 hiAutomatonCegarLoop]: Abstraction has 264 states and 334 transitions. [2024-11-17 08:48:20,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states and 334 transitions. [2024-11-17 08:48:20,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-11-17 08:48:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 264 states have (on average 1.2651515151515151) internal successors, (334), 263 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 334 transitions. [2024-11-17 08:48:20,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 264 states and 334 transitions. [2024-11-17 08:48:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:20,752 INFO L425 stractBuchiCegarLoop]: Abstraction has 264 states and 334 transitions. [2024-11-17 08:48:20,752 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:20,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 264 states and 334 transitions. [2024-11-17 08:48:20,753 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 190 [2024-11-17 08:48:20,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:20,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:20,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:20,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:20,754 INFO L745 eck$LassoCheckResult]: Stem: 856#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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 822#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 789#L893 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 790#L886 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 877#L901 assume true;main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 846#L848 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 847#L821 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 835#L59 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 818#L118 [2024-11-17 08:48:20,755 INFO L747 eck$LassoCheckResult]: Loop: 818#L118 assume true; 819#L118-1 assume !false; 942#test_while_0_continue#1 assume true; 940#L120 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 939#L128 assume !(0 != test_~tmp~1#1); 938#L136 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 911#L138 assume !(0 != test_~tmp___0~1#1); 912#L146 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 824#L148 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 825#L156 assume !(0 != test_~tmp___1~0#1); 786#L165 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 779#L252-5 assume true;__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 780#L69-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 834#L193-2 assume !(0 != ~pumpRunning~0); 800#L200-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 801#L217-2 assume true;assume { :end_inline_processEnvironment } true; 927#L208-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 928#L757-2 assume true;__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 923#L80-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 924#L252-4 assume true;__utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 918#L84-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 919#L98-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 865#L210-2 assume true;assume { :end_inline_timeShift } true; 818#L118 [2024-11-17 08:48:20,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:20,755 INFO L85 PathProgramCache]: Analyzing trace with hash -526638438, now seen corresponding path program 3 times [2024-11-17 08:48:20,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:20,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108187378] [2024-11-17 08:48:20,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:20,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:20,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:20,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1271206485, now seen corresponding path program 1 times [2024-11-17 08:48:20,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:20,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072257436] [2024-11-17 08:48:20,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:20,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:20,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:20,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1241059598, now seen corresponding path program 1 times [2024-11-17 08:48:20,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:20,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377068352] [2024-11-17 08:48:20,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:20,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:20,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:21,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:21,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:21 BoogieIcfgContainer [2024-11-17 08:48:21,642 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:21,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:21,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:21,643 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:21,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:19" (3/4) ... [2024-11-17 08:48:21,645 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:21,681 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:21,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:21,684 INFO L158 Benchmark]: Toolchain (without parser) took 3072.85ms. Allocated memory is still 182.5MB. Free memory was 109.5MB in the beginning and 81.4MB in the end (delta: 28.0MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:21,685 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 182.5MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:21,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.65ms. Allocated memory is still 182.5MB. Free memory was 109.3MB in the beginning and 136.6MB in the end (delta: -27.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:21,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.39ms. Allocated memory is still 182.5MB. Free memory was 136.6MB in the beginning and 134.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:21,686 INFO L158 Benchmark]: Boogie Preprocessor took 47.87ms. Allocated memory is still 182.5MB. Free memory was 134.5MB in the beginning and 132.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:21,686 INFO L158 Benchmark]: IcfgBuilder took 466.98ms. Allocated memory is still 182.5MB. Free memory was 132.4MB in the beginning and 112.5MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 08:48:21,686 INFO L158 Benchmark]: BuchiAutomizer took 2038.92ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 84.6MB in the end (delta: 27.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-17 08:48:21,686 INFO L158 Benchmark]: Witness Printer took 41.37ms. Allocated memory is still 182.5MB. Free memory was 84.6MB in the beginning and 81.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:21,687 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 182.5MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.65ms. Allocated memory is still 182.5MB. Free memory was 109.3MB in the beginning and 136.6MB in the end (delta: -27.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.39ms. Allocated memory is still 182.5MB. Free memory was 136.6MB in the beginning and 134.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.87ms. Allocated memory is still 182.5MB. Free memory was 134.5MB in the beginning and 132.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 466.98ms. Allocated memory is still 182.5MB. Free memory was 132.4MB in the beginning and 112.5MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2038.92ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 84.6MB in the end (delta: 27.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 41.37ms. Allocated memory is still 182.5MB. Free memory was 84.6MB in the beginning and 81.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] - GenericResultAtLocation [Line: 176]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] - GenericResultAtLocation [Line: 315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [315] - GenericResultAtLocation [Line: 681]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [681] - GenericResultAtLocation [Line: 761]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761] - GenericResultAtLocation [Line: 861]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [861] - GenericResultAtLocation [Line: 870]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [870] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 264 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 71 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, 333 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 902 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 681 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 221 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 118]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L183] int pumpRunning = 0; [L184] int systemActive = 1; [L485] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L682] int waterLevel = 1; [L683] int methaneLevelCritical = 0; [L762] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L839] int retValue_acc ; [L840] int tmp ; [L844] FCALL select_helpers() [L845] FCALL select_features() [L846] CALL, EXPR valid_product() [L897] int retValue_acc ; [L900] retValue_acc = 1 [L901] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L846] RET, EXPR valid_product() [L846] tmp = valid_product() [L848] COND TRUE \read(tmp) [L850] FCALL setup() [L851] CALL runTest() [L829] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L829] RET __utac_acc__Specification5_spec__1() [L830] CALL test() [L109] int splverifierCounter ; [L110] int tmp ; [L111] int tmp___0 ; [L112] int tmp___1 ; [L113] int tmp___2 ; [L116] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L118] COND TRUE 1 [L120] COND TRUE splverifierCounter < 4 [L126] tmp = __VERIFIER_nondet_int() [L128] COND FALSE !(\read(tmp)) [L136] tmp___0 = __VERIFIER_nondet_int() [L138] COND FALSE !(\read(tmp___0)) [L146] tmp___2 = __VERIFIER_nondet_int() [L148] COND FALSE !(\read(tmp___2)) [L154] tmp___1 = __VERIFIER_nondet_int() [L156] COND FALSE !(\read(tmp___1)) [L165] CALL timeShift() [L191] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L191] RET __utac_acc__Specification5_spec__2() [L193] COND FALSE !(\read(pumpRunning)) [L200] COND TRUE \read(systemActive) [L202] FCALL processEnvironment() [L208] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L753] int retValue_acc ; [L756] retValue_acc = waterLevel [L757] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L208] RET __utac_acc__Specification5_spec__3() [L165] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 118]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L183] int pumpRunning = 0; [L184] int systemActive = 1; [L485] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L682] int waterLevel = 1; [L683] int methaneLevelCritical = 0; [L762] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L839] int retValue_acc ; [L840] int tmp ; [L844] FCALL select_helpers() [L845] FCALL select_features() [L846] CALL, EXPR valid_product() [L897] int retValue_acc ; [L900] retValue_acc = 1 [L901] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L846] RET, EXPR valid_product() [L846] tmp = valid_product() [L848] COND TRUE \read(tmp) [L850] FCALL setup() [L851] CALL runTest() [L829] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L829] RET __utac_acc__Specification5_spec__1() [L830] CALL test() [L109] int splverifierCounter ; [L110] int tmp ; [L111] int tmp___0 ; [L112] int tmp___1 ; [L113] int tmp___2 ; [L116] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L118] COND TRUE 1 [L120] COND TRUE splverifierCounter < 4 [L126] tmp = __VERIFIER_nondet_int() [L128] COND FALSE !(\read(tmp)) [L136] tmp___0 = __VERIFIER_nondet_int() [L138] COND FALSE !(\read(tmp___0)) [L146] tmp___2 = __VERIFIER_nondet_int() [L148] COND FALSE !(\read(tmp___2)) [L154] tmp___1 = __VERIFIER_nondet_int() [L156] COND FALSE !(\read(tmp___1)) [L165] CALL timeShift() [L191] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L191] RET __utac_acc__Specification5_spec__2() [L193] COND FALSE !(\read(pumpRunning)) [L200] COND TRUE \read(systemActive) [L202] FCALL processEnvironment() [L208] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L753] int retValue_acc ; [L756] retValue_acc = waterLevel [L757] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L208] RET __utac_acc__Specification5_spec__3() [L165] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:21,712 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)