./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product50.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 d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:36,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:36,560 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:36,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:36,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:36,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:36,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:36,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:36,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:36,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:36,594 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:36,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:36,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:36,595 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:36,597 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:36,598 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:36,598 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:36,598 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:36,598 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:36,598 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:36,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:36,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:36,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:36,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:36,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:36,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:36,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:36,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:36,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:36,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:36,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:36,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:36,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:36,602 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:36,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:36,602 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:36,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:36,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:36,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:36,604 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:36,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2 [2024-11-10 23:15:36,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:36,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:36,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:36,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:36,821 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:36,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2024-11-10 23:15:38,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:38,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:38,311 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2024-11-10 23:15:38,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904177082/82e2d7c1e2804beb87385ae57c40bf10/FLAG2f72e3b1d [2024-11-10 23:15:38,332 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904177082/82e2d7c1e2804beb87385ae57c40bf10 [2024-11-10 23:15:38,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:38,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:38,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:38,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:38,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:38,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d42e128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38, skipping insertion in model container [2024-11-10 23:15:38,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:38,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:38,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:38,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:15:38,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415] [2024-11-10 23:15:38,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] [2024-11-10 23:15:38,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] [2024-11-10 23:15:38,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [557] [2024-11-10 23:15:38,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2024-11-10 23:15:38,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] [2024-11-10 23:15:38,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [908] [2024-11-10 23:15:38,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:38,831 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:38,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38 WrapperNode [2024-11-10 23:15:38,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:38,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:38,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:38,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:38,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,874 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 81, statements flattened = 550 [2024-11-10 23:15:38,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:38,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:38,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:38,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:38,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,901 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:15:38,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,907 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:38,914 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:38,914 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:38,914 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:38,915 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (1/1) ... [2024-11-10 23:15:38,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:38,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:38,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:15:38,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:15:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:39,047 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:39,049 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:39,362 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:39,363 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:39,363 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:39,363 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:39,363 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:39,363 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:39,364 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:15:39,364 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:15:39,364 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:15:39,364 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L897-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:15:39,364 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L897-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:15:39,364 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L897-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:15:39,364 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L688-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:15:39,364 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L688-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:15:39,365 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L589-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-10 23:15:39,365 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L688-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:15:39,365 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L688-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:15:39,365 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L688-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:15:39,365 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L688-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:15:39,365 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L674-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-10 23:15:39,365 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L674-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-10 23:15:39,366 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L674-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-10 23:15:39,366 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L823-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:15:39,366 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L823-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:15:39,366 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L823-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:15:39,366 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L545-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-10 23:15:39,387 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:39,387 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:39,401 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:39,401 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:39,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:39 BoogieIcfgContainer [2024-11-10 23:15:39,401 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:39,402 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:39,402 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:39,405 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:39,406 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:39,406 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:38" (1/3) ... [2024-11-10 23:15:39,407 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@494f6b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:39, skipping insertion in model container [2024-11-10 23:15:39,407 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:39,407 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:38" (2/3) ... [2024-11-10 23:15:39,408 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@494f6b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:39, skipping insertion in model container [2024-11-10 23:15:39,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:39,408 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:39" (3/3) ... [2024-11-10 23:15:39,409 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2024-11-10 23:15:39,467 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:39,467 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:39,467 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:39,468 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:39,468 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:39,468 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:39,468 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:39,468 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:39,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:39,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-10 23:15:39,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:39,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:39,507 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:39,508 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:39,508 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:39,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:39,519 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-10 23:15:39,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:39,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:39,520 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:39,522 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:39,525 INFO L745 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 36#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 2#L580true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 57#L573true 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; 116#L588true assume true;main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 109#L535true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 39#L508true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 104#L919true [2024-11-10 23:15:39,526 INFO L747 eck$LassoCheckResult]: Loop: 104#L919true assume true; 96#L919-1true assume !false;assume true; 139#L921true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 87#L929true assume !(0 != test_~tmp~9#1); 102#L937true havoc test_#t~nondet50#1;test_~tmp___0~3#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 166#L939true assume !(0 != test_~tmp___0~3#1); 53#L947true havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 42#L949true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet52#1;test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 72#L957true assume 0 != test_~tmp___1~0#1; 88#L964true assume { :begin_inline_timeShift } true; 80#L711-2true assume !(0 != ~pumpRunning~0); 156#L718-2true assume !(0 != ~systemActive~0); 89#L726-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 37#L673-2true assume true;__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 70#L427-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 120#L441-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 27#L728-2true assume true;assume { :end_inline_timeShift } true; 104#L919true [2024-11-10 23:15:39,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:39,531 INFO L85 PathProgramCache]: Analyzing trace with hash 813989832, now seen corresponding path program 1 times [2024-11-10 23:15:39,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:39,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437765235] [2024-11-10 23:15:39,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:39,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:39,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:39,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:39,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:39,665 INFO L85 PathProgramCache]: Analyzing trace with hash 703591170, now seen corresponding path program 1 times [2024-11-10 23:15:39,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:39,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520015276] [2024-11-10 23:15:39,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:39,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:39,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:39,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:39,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:39,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1098900965, now seen corresponding path program 1 times [2024-11-10 23:15:39,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:39,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000703137] [2024-11-10 23:15:39,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:39,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:39,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:39,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000703137] [2024-11-10 23:15:39,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000703137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:39,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:39,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:15:39,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103406656] [2024-11-10 23:15:39,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:39,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:39,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:39,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:39,998 INFO L87 Difference]: Start difference. First operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:40,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:40,061 INFO L93 Difference]: Finished difference Result 160 states and 210 transitions. [2024-11-10 23:15:40,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 210 transitions. [2024-11-10 23:15:40,071 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-10 23:15:40,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 149 states and 198 transitions. [2024-11-10 23:15:40,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2024-11-10 23:15:40,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2024-11-10 23:15:40,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 198 transitions. [2024-11-10 23:15:40,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:40,083 INFO L218 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-10 23:15:40,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 198 transitions. [2024-11-10 23:15:40,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-10 23:15:40,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 149 states have (on average 1.3288590604026846) internal successors, (198), 148 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 198 transitions. [2024-11-10 23:15:40,136 INFO L240 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-10 23:15:40,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:40,140 INFO L425 stractBuchiCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-10 23:15:40,140 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:40,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 198 transitions. [2024-11-10 23:15:40,144 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-10 23:15:40,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:40,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:40,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:40,144 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] [2024-11-10 23:15:40,145 INFO L745 eck$LassoCheckResult]: Stem: 485#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 391#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 337#L580 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 338#L573 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; 419#L588 assume true;main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 473#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 395#L508 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 373#L919 [2024-11-10 23:15:40,145 INFO L747 eck$LassoCheckResult]: Loop: 373#L919 assume true; 462#L919-1 assume !false;assume true; 463#L921 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 450#L929 assume !(0 != test_~tmp~9#1); 433#L937 havoc test_#t~nondet50#1;test_~tmp___0~3#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 468#L939 assume !(0 != test_~tmp___0~3#1); 415#L947 havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 397#L949 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 398#L905 assume true;assume { :end_inline_startSystem } true; 438#L964 assume { :begin_inline_timeShift } true; 444#L711-2 assume !(0 != ~pumpRunning~0); 445#L718-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 465#L769-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 381#L743-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 382#L735-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 363#L761-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 394#L787-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 452#L726-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 392#L673-2 assume true;__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 393#L427-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 436#L441-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 372#L728-2 assume true;assume { :end_inline_timeShift } true; 373#L919 [2024-11-10 23:15:40,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:40,145 INFO L85 PathProgramCache]: Analyzing trace with hash 813989832, now seen corresponding path program 2 times [2024-11-10 23:15:40,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:40,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399273026] [2024-11-10 23:15:40,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:40,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:40,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:40,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:40,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:40,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1977415470, now seen corresponding path program 1 times [2024-11-10 23:15:40,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:40,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966491027] [2024-11-10 23:15:40,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:40,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:40,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:40,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966491027] [2024-11-10 23:15:40,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966491027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:40,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:40,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:40,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238265293] [2024-11-10 23:15:40,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:40,217 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:40,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:40,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:40,218 INFO L87 Difference]: Start difference. First operand 149 states and 198 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:40,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:40,320 INFO L93 Difference]: Finished difference Result 204 states and 260 transitions. [2024-11-10 23:15:40,320 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 204 states and 260 transitions. [2024-11-10 23:15:40,321 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 142 [2024-11-10 23:15:40,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 204 states to 204 states and 260 transitions. [2024-11-10 23:15:40,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 204 [2024-11-10 23:15:40,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 204 [2024-11-10 23:15:40,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 260 transitions. [2024-11-10 23:15:40,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:40,327 INFO L218 hiAutomatonCegarLoop]: Abstraction has 204 states and 260 transitions. [2024-11-10 23:15:40,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 260 transitions. [2024-11-10 23:15:40,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-10 23:15:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 204 states have (on average 1.2745098039215685) internal successors, (260), 203 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 260 transitions. [2024-11-10 23:15:40,335 INFO L240 hiAutomatonCegarLoop]: Abstraction has 204 states and 260 transitions. [2024-11-10 23:15:40,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:40,336 INFO L425 stractBuchiCegarLoop]: Abstraction has 204 states and 260 transitions. [2024-11-10 23:15:40,337 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:15:40,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 204 states and 260 transitions. [2024-11-10 23:15:40,338 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 142 [2024-11-10 23:15:40,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:40,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:40,338 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:40,338 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] [2024-11-10 23:15:40,338 INFO L745 eck$LassoCheckResult]: Stem: 850#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 748#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 696#L580 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 697#L573 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; 777#L588 assume true;main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 831#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 753#L508 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 733#L919 [2024-11-10 23:15:40,339 INFO L747 eck$LassoCheckResult]: Loop: 733#L919 assume true; 820#L919-1 assume !false;assume true; 821#L921 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 807#L929 assume !(0 != test_~tmp~9#1); 785#L937 havoc test_#t~nondet50#1;test_~tmp___0~3#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 827#L939 assume !(0 != test_~tmp___0~3#1); 851#L947 havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 856#L949 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 854#L905 assume true;assume { :end_inline_startSystem } true; 853#L964 assume { :begin_inline_timeShift } true; 800#L711-2 assume !(0 != ~pumpRunning~0); 801#L718-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 823#L769-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 739#L743-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~7#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; 720#L681-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 721#L686-5 assume true;isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 776#L871-5 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 847#L876-5 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 810#L877-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 811#L747-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 833#L735-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 749#L761-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 750#L787-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 809#L726-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 751#L673-2 assume true;__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 752#L427-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 792#L441-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 732#L728-2 assume true;assume { :end_inline_timeShift } true; 733#L919 [2024-11-10 23:15:40,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:40,341 INFO L85 PathProgramCache]: Analyzing trace with hash 813989832, now seen corresponding path program 3 times [2024-11-10 23:15:40,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:40,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040461272] [2024-11-10 23:15:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:40,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:40,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:40,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:40,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:40,357 INFO L85 PathProgramCache]: Analyzing trace with hash 444959291, now seen corresponding path program 1 times [2024-11-10 23:15:40,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:40,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736129138] [2024-11-10 23:15:40,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:40,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:40,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:40,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:40,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:40,374 INFO L85 PathProgramCache]: Analyzing trace with hash -595580542, now seen corresponding path program 1 times [2024-11-10 23:15:40,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:40,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295420361] [2024-11-10 23:15:40,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:40,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:40,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:40,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:41,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:41,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:41 BoogieIcfgContainer [2024-11-10 23:15:41,082 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:41,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:41,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:41,083 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:41,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:39" (3/4) ... [2024-11-10 23:15:41,085 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:41,136 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:41,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:41,137 INFO L158 Benchmark]: Toolchain (without parser) took 2801.36ms. Allocated memory is still 192.9MB. Free memory was 135.6MB in the beginning and 120.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 23:15:41,137 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:41,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.73ms. Allocated memory is still 192.9MB. Free memory was 135.2MB in the beginning and 155.3MB in the end (delta: -20.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 23:15:41,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.22ms. Allocated memory is still 192.9MB. Free memory was 155.3MB in the beginning and 152.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:41,137 INFO L158 Benchmark]: Boogie Preprocessor took 38.44ms. Allocated memory is still 192.9MB. Free memory was 152.2MB in the beginning and 150.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:41,138 INFO L158 Benchmark]: IcfgBuilder took 487.67ms. Allocated memory is still 192.9MB. Free memory was 149.0MB in the beginning and 118.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 23:15:41,139 INFO L158 Benchmark]: BuchiAutomizer took 1680.31ms. Allocated memory is still 192.9MB. Free memory was 118.7MB in the beginning and 123.7MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:41,139 INFO L158 Benchmark]: Witness Printer took 53.52ms. Allocated memory is still 192.9MB. Free memory was 123.7MB in the beginning and 121.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:41,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.73ms. Allocated memory is still 192.9MB. Free memory was 135.2MB in the beginning and 155.3MB in the end (delta: -20.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.22ms. Allocated memory is still 192.9MB. Free memory was 155.3MB in the beginning and 152.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.44ms. Allocated memory is still 192.9MB. Free memory was 152.2MB in the beginning and 150.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 487.67ms. Allocated memory is still 192.9MB. Free memory was 149.0MB in the beginning and 118.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1680.31ms. Allocated memory is still 192.9MB. Free memory was 118.7MB in the beginning and 123.7MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.52ms. Allocated memory is still 192.9MB. Free memory was 123.7MB in the beginning and 121.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [557] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] - GenericResultAtLocation [Line: 908]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [908] * 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 204 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 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, 321 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 510 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 415 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 919]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L445] int cleanupTimeShifts = 4; [L598] int waterLevel = 1; [L599] int methaneLevelCritical = 0; [L704] int pumpRunning = 0; [L705] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L584] int retValue_acc ; [L587] retValue_acc = 1 [L588] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L910] int splverifierCounter ; [L911] int tmp ; [L912] int tmp___0 ; [L913] int tmp___1 ; [L914] int tmp___2 ; [L917] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L919] COND TRUE 1 [L921] COND TRUE splverifierCounter < 4 [L927] tmp = __VERIFIER_nondet_int() [L929] COND FALSE !(\read(tmp)) [L937] tmp___0 = __VERIFIER_nondet_int() [L939] COND FALSE !(\read(tmp___0)) [L947] tmp___2 = __VERIFIER_nondet_int() [L949] COND TRUE \read(tmp___2) [L951] CALL startSystem() [L904] systemActive = 1 [L951] RET startSystem() [L964] CALL timeShift() [L711] COND FALSE !(\read(pumpRunning)) [L718] COND TRUE \read(systemActive) [L720] CALL processEnvironment() [L766] int tmp ; [L769] COND FALSE !(\read(pumpRunning)) [L784] CALL processEnvironment__wrappee__highWaterSensor() [L740] int tmp ; [L743] COND TRUE ! pumpRunning [L745] CALL, EXPR isHighWaterLevel() [L863] int retValue_acc ; [L864] int tmp ; [L865] int tmp___0 ; [L869] CALL, EXPR isHighWaterSensorDry() [L678] int retValue_acc ; [L681] COND TRUE waterLevel < 2 [L682] retValue_acc = 1 [L683] return (retValue_acc); [L869] RET, EXPR isHighWaterSensorDry() [L869] tmp = isHighWaterSensorDry() [L871] COND TRUE \read(tmp) [L872] tmp___0 = 0 [L876] retValue_acc = tmp___0 [L877] return (retValue_acc); [L745] RET, EXPR isHighWaterLevel() [L745] tmp = isHighWaterLevel() [L747] COND FALSE !(\read(tmp)) [L753] FCALL processEnvironment__wrappee__base() [L784] RET processEnvironment__wrappee__highWaterSensor() [L720] RET processEnvironment() [L726] CALL __utac_acc__Specification4_spec__1() [L420] int tmp ; [L421] int tmp___0 ; [L425] CALL, EXPR getWaterLevel() [L669] int retValue_acc ; [L672] retValue_acc = waterLevel [L673] return (retValue_acc); [L425] RET, EXPR getWaterLevel() [L425] tmp = getWaterLevel() [L427] COND FALSE !(tmp == 0) [L726] RET __utac_acc__Specification4_spec__1() [L964] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 919]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L445] int cleanupTimeShifts = 4; [L598] int waterLevel = 1; [L599] int methaneLevelCritical = 0; [L704] int pumpRunning = 0; [L705] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L584] int retValue_acc ; [L587] retValue_acc = 1 [L588] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L910] int splverifierCounter ; [L911] int tmp ; [L912] int tmp___0 ; [L913] int tmp___1 ; [L914] int tmp___2 ; [L917] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L919] COND TRUE 1 [L921] COND TRUE splverifierCounter < 4 [L927] tmp = __VERIFIER_nondet_int() [L929] COND FALSE !(\read(tmp)) [L937] tmp___0 = __VERIFIER_nondet_int() [L939] COND FALSE !(\read(tmp___0)) [L947] tmp___2 = __VERIFIER_nondet_int() [L949] COND TRUE \read(tmp___2) [L951] CALL startSystem() [L904] systemActive = 1 [L951] RET startSystem() [L964] CALL timeShift() [L711] COND FALSE !(\read(pumpRunning)) [L718] COND TRUE \read(systemActive) [L720] CALL processEnvironment() [L766] int tmp ; [L769] COND FALSE !(\read(pumpRunning)) [L784] CALL processEnvironment__wrappee__highWaterSensor() [L740] int tmp ; [L743] COND TRUE ! pumpRunning [L745] CALL, EXPR isHighWaterLevel() [L863] int retValue_acc ; [L864] int tmp ; [L865] int tmp___0 ; [L869] CALL, EXPR isHighWaterSensorDry() [L678] int retValue_acc ; [L681] COND TRUE waterLevel < 2 [L682] retValue_acc = 1 [L683] return (retValue_acc); [L869] RET, EXPR isHighWaterSensorDry() [L869] tmp = isHighWaterSensorDry() [L871] COND TRUE \read(tmp) [L872] tmp___0 = 0 [L876] retValue_acc = tmp___0 [L877] return (retValue_acc); [L745] RET, EXPR isHighWaterLevel() [L745] tmp = isHighWaterLevel() [L747] COND FALSE !(\read(tmp)) [L753] FCALL processEnvironment__wrappee__base() [L784] RET processEnvironment__wrappee__highWaterSensor() [L720] RET processEnvironment() [L726] CALL __utac_acc__Specification4_spec__1() [L420] int tmp ; [L421] int tmp___0 ; [L425] CALL, EXPR getWaterLevel() [L669] int retValue_acc ; [L672] retValue_acc = waterLevel [L673] return (retValue_acc); [L425] RET, EXPR getWaterLevel() [L425] tmp = getWaterLevel() [L427] COND FALSE !(tmp == 0) [L726] RET __utac_acc__Specification4_spec__1() [L964] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:41,161 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)