./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product46.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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:45:51,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:45:51,675 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:45:51,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:45:51,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:45:51,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:45:51,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:45:51,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:45:51,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:45:51,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:45:51,711 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:45:51,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:45:51,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:45:51,713 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:45:51,713 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:45:51,714 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:45:51,714 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:45:51,714 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:45:51,716 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:45:51,717 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:45:51,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:45:51,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:45:51,719 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:45:51,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:45:51,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:45:51,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:45:51,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:45:51,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:45:51,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:45:51,720 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:45:51,720 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:45:51,720 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:45:51,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:45:51,721 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:45:51,721 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:45:51,721 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:45:51,721 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:45:51,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:45:51,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:45:51,722 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:45:51,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2024-11-17 08:45:51,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:45:51,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:45:51,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:45:51,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:45:51,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:45:51,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2024-11-17 08:45:53,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:45:53,465 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:45:53,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2024-11-17 08:45:53,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7bc12559/bb212796ce3a48068609f4ba78065444/FLAG6c087b41c [2024-11-17 08:45:53,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7bc12559/bb212796ce3a48068609f4ba78065444 [2024-11-17 08:45:53,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:45:53,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:45:53,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:53,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:45:53,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:45:53,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:53,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a26c545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53, skipping insertion in model container [2024-11-17 08:45:53,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:53,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:45:53,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:53,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:45:53,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-17 08:45:53,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-17 08:45:53,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333] [2024-11-17 08:45:53,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432] [2024-11-17 08:45:53,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [467] [2024-11-17 08:45:53,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [476] [2024-11-17 08:45:53,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [502] [2024-11-17 08:45:53,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [597] [2024-11-17 08:45:53,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:53,937 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:45:53,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53 WrapperNode [2024-11-17 08:45:53,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:53,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:53,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:45:53,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:45:53,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:53,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:53,984 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 99, statements flattened = 658 [2024-11-17 08:45:53,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:53,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:45:53,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:45:53,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:45:54,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,023 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:45:54,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,032 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:45:54,039 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:45:54,039 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:45:54,039 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:45:54,040 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (1/1) ... [2024-11-17 08:45:54,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:45:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:45:54,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:45:54,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:45:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:45:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:45:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:45:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:45:54,195 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:45:54,197 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:45:54,625 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:45:54,625 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:45:54,625 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L322-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:54,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L322-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L322-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L322-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L322-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L322-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:45:54,627 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L594-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:45:54,628 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L594-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:45:54,628 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L594-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:45:54,628 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L429-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-17 08:45:54,628 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L594-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:45:54,628 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L594-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:45:54,628 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L594-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:45:54,628 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L464-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-17 08:45:54,668 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-17 08:45:54,669 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:45:54,689 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:45:54,689 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:45:54,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:54 BoogieIcfgContainer [2024-11-17 08:45:54,691 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:45:54,692 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:45:54,692 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:45:54,695 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:45:54,696 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:54,696 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:45:53" (1/3) ... [2024-11-17 08:45:54,697 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38be0595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:54, skipping insertion in model container [2024-11-17 08:45:54,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:54,697 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:53" (2/3) ... [2024-11-17 08:45:54,698 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38be0595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:54, skipping insertion in model container [2024-11-17 08:45:54,698 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:54,698 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:54" (3/3) ... [2024-11-17 08:45:54,699 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2024-11-17 08:45:54,746 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:45:54,746 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:45:54,746 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:45:54,746 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:45:54,747 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:45:54,747 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:45:54,747 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:45:54,747 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:45:54,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 186 states, 185 states have (on average 1.345945945945946) internal successors, (249), 185 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:54,770 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2024-11-17 08:45:54,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:54,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:54,776 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:54,776 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:54,776 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:45:54,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 186 states, 185 states have (on average 1.345945945945946) internal successors, (249), 185 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:54,783 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2024-11-17 08:45:54,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:54,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:54,785 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:54,785 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:54,789 INFO L745 eck$LassoCheckResult]: Stem: 169#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 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~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 4#L455true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 176#L448true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 54#L463true assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 5#L419true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 25#L393true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 187#L65true [2024-11-17 08:45:54,789 INFO L747 eck$LassoCheckResult]: Loop: 187#L65true assume true; 76#L65-1true assume !false; 21#test_while_0_continue#1true assume true; 167#L67true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 86#L75true assume !(0 != test_~tmp~0#1); 36#L83true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 49#L85true assume !(0 != test_~tmp___0~0#1); 46#L93true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 131#L95true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 69#L330true assume true;assume { :end_inline_startSystem } true; 102#L110true assume { :begin_inline_timeShift } true; 135#L138-2true assume !(0 != ~pumpRunning~0); 74#L145-2true assume !(0 != ~systemActive~0); 172#L153-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 26#L547-8true assume true;__utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 7#L485-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 71#L499-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 141#L155-2true assume true;assume { :end_inline_timeShift } true; 187#L65true [2024-11-17 08:45:54,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:54,794 INFO L85 PathProgramCache]: Analyzing trace with hash 921730341, now seen corresponding path program 1 times [2024-11-17 08:45:54,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:54,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296804933] [2024-11-17 08:45:54,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:54,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:54,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:54,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:54,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:54,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1005386673, now seen corresponding path program 1 times [2024-11-17 08:45:54,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:54,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273469653] [2024-11-17 08:45:54,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:54,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:45:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:45:54,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:45:54,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273469653] [2024-11-17 08:45:54,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273469653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:45:54,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:45:54,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:45:54,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626727827] [2024-11-17 08:45:54,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:45:54,995 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:45:54,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:45:55,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:45:55,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:45:55,027 INFO L87 Difference]: Start difference. First operand has 186 states, 185 states have (on average 1.345945945945946) internal successors, (249), 185 states have internal predecessors, (249), 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 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:55,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:45:55,069 INFO L93 Difference]: Finished difference Result 180 states and 233 transitions. [2024-11-17 08:45:55,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 233 transitions. [2024-11-17 08:45:55,077 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-17 08:45:55,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 169 states and 221 transitions. [2024-11-17 08:45:55,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2024-11-17 08:45:55,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2024-11-17 08:45:55,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 221 transitions. [2024-11-17 08:45:55,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:45:55,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 221 transitions. [2024-11-17 08:45:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 221 transitions. [2024-11-17 08:45:55,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-17 08:45:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 169 states have (on average 1.3076923076923077) internal successors, (221), 168 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 221 transitions. [2024-11-17 08:45:55,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 169 states and 221 transitions. [2024-11-17 08:45:55,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:45:55,133 INFO L425 stractBuchiCegarLoop]: Abstraction has 169 states and 221 transitions. [2024-11-17 08:45:55,133 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:45:55,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 221 transitions. [2024-11-17 08:45:55,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-17 08:45:55,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:55,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:55,135 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:55,135 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 08:45:55,136 INFO L745 eck$LassoCheckResult]: Stem: 542#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 441#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 377#L455 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 378#L448 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 459#L463 assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 379#L419 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 380#L393 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 420#L65 [2024-11-17 08:45:55,136 INFO L747 eck$LassoCheckResult]: Loop: 420#L65 assume true; 484#L65-1 assume !false; 413#test_while_0_continue#1 assume true; 414#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 494#L75 assume !(0 != test_~tmp~0#1); 436#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 437#L85 assume !(0 != test_~tmp___0~0#1); 450#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 451#L95 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 535#L103 assume 0 != test_~tmp___1~0#1; 474#L110 assume { :begin_inline_timeShift } true; 510#L138-2 assume !(0 != ~pumpRunning~0); 482#L145-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 483#L196-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 389#L170-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 391#L162-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 412#L188-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 400#L214-2 assume true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 401#L153-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 421#L547-8 assume true;__utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 381#L485-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 383#L499-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 477#L155-2 assume true;assume { :end_inline_timeShift } true; 420#L65 [2024-11-17 08:45:55,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:55,141 INFO L85 PathProgramCache]: Analyzing trace with hash 921730341, now seen corresponding path program 2 times [2024-11-17 08:45:55,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:55,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15346388] [2024-11-17 08:45:55,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:55,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:55,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:55,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:55,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:55,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1367876354, now seen corresponding path program 1 times [2024-11-17 08:45:55,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:55,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094254433] [2024-11-17 08:45:55,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:55,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:45:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:45:55,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:45:55,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094254433] [2024-11-17 08:45:55,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094254433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:45:55,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:45:55,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:45:55,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170970564] [2024-11-17 08:45:55,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:45:55,229 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:45:55,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:45:55,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:45:55,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:45:55,230 INFO L87 Difference]: Start difference. First operand 169 states and 221 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:55,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:45:55,309 INFO L93 Difference]: Finished difference Result 232 states and 291 transitions. [2024-11-17 08:45:55,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 291 transitions. [2024-11-17 08:45:55,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 162 [2024-11-17 08:45:55,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 232 states and 291 transitions. [2024-11-17 08:45:55,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 232 [2024-11-17 08:45:55,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2024-11-17 08:45:55,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 232 states and 291 transitions. [2024-11-17 08:45:55,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:45:55,314 INFO L218 hiAutomatonCegarLoop]: Abstraction has 232 states and 291 transitions. [2024-11-17 08:45:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states and 291 transitions. [2024-11-17 08:45:55,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-17 08:45:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 232 states have (on average 1.2543103448275863) internal successors, (291), 231 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:55,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 291 transitions. [2024-11-17 08:45:55,320 INFO L240 hiAutomatonCegarLoop]: Abstraction has 232 states and 291 transitions. [2024-11-17 08:45:55,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:45:55,323 INFO L425 stractBuchiCegarLoop]: Abstraction has 232 states and 291 transitions. [2024-11-17 08:45:55,323 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:45:55,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 232 states and 291 transitions. [2024-11-17 08:45:55,324 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 162 [2024-11-17 08:45:55,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:55,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:55,325 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:55,325 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, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:55,325 INFO L745 eck$LassoCheckResult]: Stem: 967#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 847#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 784#L455 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 785#L448 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 866#L463 assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 786#L419 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 787#L393 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 824#L65 [2024-11-17 08:45:55,325 INFO L747 eck$LassoCheckResult]: Loop: 824#L65 assume true; 894#L65-1 assume !false; 817#test_while_0_continue#1 assume true; 818#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 906#L75 assume !(0 != test_~tmp~0#1); 843#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 844#L85 assume !(0 != test_~tmp___0~0#1); 858#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 859#L95 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 883#L330 assume true;assume { :end_inline_startSystem } true; 884#L110 assume { :begin_inline_timeShift } true; 922#L138-2 assume !(0 != ~pumpRunning~0); 892#L145-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 893#L196-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 794#L170-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 795#L587-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 940#L592-5 assume true;isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 941#L315-5 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 804#L320-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 805#L321-5 assume true;processEnvironment__wrappee__methaneQuery_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1#1 := processEnvironment__wrappee__methaneQuery_#t~ret8#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1; 840#L174-5 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 841#L162-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 959#L188-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 928#L214-2 assume true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 968#L153-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 828#L547-8 assume true;__utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 791#L485-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 793#L499-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 888#L155-2 assume true;assume { :end_inline_timeShift } true; 824#L65 [2024-11-17 08:45:55,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:55,326 INFO L85 PathProgramCache]: Analyzing trace with hash 921730341, now seen corresponding path program 3 times [2024-11-17 08:45:55,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:55,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943744052] [2024-11-17 08:45:55,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:55,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:55,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:55,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:55,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:55,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1453540107, now seen corresponding path program 1 times [2024-11-17 08:45:55,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:55,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125552225] [2024-11-17 08:45:55,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:55,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:55,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:55,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:55,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:55,387 INFO L85 PathProgramCache]: Analyzing trace with hash 768084071, now seen corresponding path program 1 times [2024-11-17 08:45:55,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:55,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408460507] [2024-11-17 08:45:55,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:55,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:55,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:55,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:56,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:56,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:45:56 BoogieIcfgContainer [2024-11-17 08:45:56,191 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:45:56,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:45:56,192 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:45:56,192 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:45:56,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:54" (3/4) ... [2024-11-17 08:45:56,193 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:45:56,241 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:45:56,241 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:45:56,242 INFO L158 Benchmark]: Toolchain (without parser) took 2751.08ms. Allocated memory is still 157.3MB. Free memory was 85.1MB in the beginning and 54.9MB in the end (delta: 30.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-17 08:45:56,242 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:45:56,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.75ms. Allocated memory is still 157.3MB. Free memory was 85.1MB in the beginning and 123.8MB in the end (delta: -38.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:56,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.00ms. Allocated memory is still 157.3MB. Free memory was 123.0MB in the beginning and 119.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:45:56,243 INFO L158 Benchmark]: Boogie Preprocessor took 53.35ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 116.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:56,243 INFO L158 Benchmark]: IcfgBuilder took 652.10ms. Allocated memory is still 157.3MB. Free memory was 116.7MB in the beginning and 81.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-17 08:45:56,243 INFO L158 Benchmark]: BuchiAutomizer took 1499.17ms. Allocated memory is still 157.3MB. Free memory was 81.1MB in the beginning and 58.0MB in the end (delta: 23.1MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-17 08:45:56,244 INFO L158 Benchmark]: Witness Printer took 49.87ms. Allocated memory is still 157.3MB. Free memory was 58.0MB in the beginning and 54.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:56,245 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.75ms. Allocated memory is still 157.3MB. Free memory was 85.1MB in the beginning and 123.8MB in the end (delta: -38.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.00ms. Allocated memory is still 157.3MB. Free memory was 123.0MB in the beginning and 119.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.35ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 116.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 652.10ms. Allocated memory is still 157.3MB. Free memory was 116.7MB in the beginning and 81.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1499.17ms. Allocated memory is still 157.3MB. Free memory was 81.1MB in the beginning and 58.0MB in the end (delta: 23.1MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Witness Printer took 49.87ms. Allocated memory is still 157.3MB. Free memory was 58.0MB in the beginning and 54.9MB 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 333]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432] - GenericResultAtLocation [Line: 467]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [467] - GenericResultAtLocation [Line: 476]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [476] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [502] - GenericResultAtLocation [Line: 597]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [597] * 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 3 locations. The remainder module has 232 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 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, 391 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 391 mSDsluCounter, 530 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 436 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L504] int waterLevel = 1; [L505] int methaneLevelCritical = 0; [L767] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L410] int retValue_acc ; [L411] int tmp ; [L415] FCALL select_helpers() [L416] FCALL select_features() [L417] CALL, EXPR valid_product() [L459] int retValue_acc ; [L462] retValue_acc = 1 [L463] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] RET, EXPR valid_product() [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L421] FCALL setup() [L422] CALL runTest() [L401] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L329] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L193] int tmp ; [L196] COND FALSE !(\read(pumpRunning)) [L211] CALL processEnvironment__wrappee__methaneQuery() [L167] int tmp ; [L170] COND TRUE ! pumpRunning [L172] CALL, EXPR isHighWaterLevel() [L307] int retValue_acc ; [L308] int tmp ; [L309] int tmp___0 ; [L313] CALL, EXPR isHighWaterSensorDry() [L584] int retValue_acc ; [L587] COND TRUE waterLevel < 2 [L588] retValue_acc = 1 [L589] return (retValue_acc); [L313] RET, EXPR isHighWaterSensorDry() [L313] tmp = isHighWaterSensorDry() [L315] COND TRUE \read(tmp) [L316] tmp___0 = 0 [L320] retValue_acc = tmp___0 [L321] return (retValue_acc); [L172] RET, EXPR isHighWaterLevel() [L172] tmp = isHighWaterLevel() [L174] COND FALSE !(\read(tmp)) [L180] FCALL processEnvironment__wrappee__base() [L211] RET processEnvironment__wrappee__methaneQuery() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification1_spec__1() [L478] int tmp ; [L479] int tmp___0 ; [L483] CALL, EXPR isMethaneLevelCritical() [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L483] RET, EXPR isMethaneLevelCritical() [L483] tmp = isMethaneLevelCritical() [L485] COND FALSE !(\read(tmp)) [L153] RET __utac_acc__Specification1_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L504] int waterLevel = 1; [L505] int methaneLevelCritical = 0; [L767] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L410] int retValue_acc ; [L411] int tmp ; [L415] FCALL select_helpers() [L416] FCALL select_features() [L417] CALL, EXPR valid_product() [L459] int retValue_acc ; [L462] retValue_acc = 1 [L463] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] RET, EXPR valid_product() [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L421] FCALL setup() [L422] CALL runTest() [L401] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L329] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L193] int tmp ; [L196] COND FALSE !(\read(pumpRunning)) [L211] CALL processEnvironment__wrappee__methaneQuery() [L167] int tmp ; [L170] COND TRUE ! pumpRunning [L172] CALL, EXPR isHighWaterLevel() [L307] int retValue_acc ; [L308] int tmp ; [L309] int tmp___0 ; [L313] CALL, EXPR isHighWaterSensorDry() [L584] int retValue_acc ; [L587] COND TRUE waterLevel < 2 [L588] retValue_acc = 1 [L589] return (retValue_acc); [L313] RET, EXPR isHighWaterSensorDry() [L313] tmp = isHighWaterSensorDry() [L315] COND TRUE \read(tmp) [L316] tmp___0 = 0 [L320] retValue_acc = tmp___0 [L321] return (retValue_acc); [L172] RET, EXPR isHighWaterLevel() [L172] tmp = isHighWaterLevel() [L174] COND FALSE !(\read(tmp)) [L180] FCALL processEnvironment__wrappee__base() [L211] RET processEnvironment__wrappee__methaneQuery() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification1_spec__1() [L478] int tmp ; [L479] int tmp___0 ; [L483] CALL, EXPR isMethaneLevelCritical() [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L483] RET, EXPR isMethaneLevelCritical() [L483] tmp = isMethaneLevelCritical() [L485] COND FALSE !(\read(tmp)) [L153] RET __utac_acc__Specification1_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:45:56,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)