./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product60.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 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:36,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:37,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:37,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:37,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:37,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:37,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:37,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:37,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:37,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:37,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:37,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:37,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:37,082 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:37,083 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:37,083 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:37,083 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:37,084 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:37,084 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:37,084 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:37,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:37,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:37,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:37,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:37,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:37,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:37,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:37,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:37,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:37,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:37,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:37,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:37,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:37,090 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:37,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:37,090 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:37,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:37,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:37,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:37,092 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:37,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 [2024-11-10 23:13:37,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:37,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:37,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:37,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:37,388 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:37,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2024-11-10 23:13:38,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:39,113 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:39,114 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2024-11-10 23:13:39,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fa7ef004/e5344ffb510a408ca58db8ce6feb4838/FLAG7a5e79e8f [2024-11-10 23:13:39,152 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fa7ef004/e5344ffb510a408ca58db8ce6feb4838 [2024-11-10 23:13:39,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:39,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:39,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:39,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:39,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:39,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec397b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39, skipping insertion in model container [2024-11-10 23:13:39,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:39,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:39,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:39,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-10 23:13:39,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2024-11-10 23:13:39,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [262] [2024-11-10 23:13:39,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [290] [2024-11-10 23:13:39,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [656] [2024-11-10 23:13:39,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [665] [2024-11-10 23:13:39,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [736] [2024-11-10 23:13:39,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [976] [2024-11-10 23:13:39,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:39,725 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:39,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39 WrapperNode [2024-11-10 23:13:39,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:39,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:39,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:39,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:39,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,798 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 57, calls inlined = 101, statements flattened = 683 [2024-11-10 23:13:39,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:39,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:39,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:39,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:39,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,824 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,856 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:13:39,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:39,877 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:39,878 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:39,878 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:39,879 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:39,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:39,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:13:39,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:13:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:40,078 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:40,081 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:40,793 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:40,793 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:40,793 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:40,793 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:40,793 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:40,793 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:40,794 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:13:40,794 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:13:40,794 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:13:40,794 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:13:40,796 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:13:40,796 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,796 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:13:40,796 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,797 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:13:40,797 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:13:40,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:13:40,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-10 23:13:40,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-10 23:13:40,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-10 23:13:40,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-10 23:13:40,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-10 23:13:40,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-10 23:13:40,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:13:40,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:13:40,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:13:40,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-1: valid_product_#res#1 := valid_product_~retValue_acc~13#1; [2024-11-10 23:13:40,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L876-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:13:40,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L876-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:13:40,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L876-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:13:40,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:13:40,830 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:40,830 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:40,851 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:40,851 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:40,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:40 BoogieIcfgContainer [2024-11-10 23:13:40,852 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:40,853 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:40,853 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:40,857 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:40,858 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:40,858 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:39" (1/3) ... [2024-11-10 23:13:40,859 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72e38fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:40, skipping insertion in model container [2024-11-10 23:13:40,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:40,859 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (2/3) ... [2024-11-10 23:13:40,859 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72e38fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:40, skipping insertion in model container [2024-11-10 23:13:40,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:40,859 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:40" (3/3) ... [2024-11-10 23:13:40,861 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2024-11-10 23:13:40,910 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:40,910 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:40,910 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:40,910 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:40,910 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:40,911 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:40,911 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:40,911 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:40,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:40,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2024-11-10 23:13:40,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:40,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:40,943 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:40,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:40,944 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:40,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:40,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2024-11-10 23:13:40,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:40,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:40,954 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:40,954 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:40,959 INFO L745 eck$LassoCheckResult]: Stem: 185#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 22#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 183#L999true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 136#L992true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 53#L1007true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 38#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 180#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 72#L678true [2024-11-10 23:13:40,960 INFO L747 eck$LassoCheckResult]: Loop: 72#L678true assume true; 138#L678-1true assume !false;assume true; 188#L680true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet35#1;test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 69#L688true assume !(0 != test_~tmp~5#1); 119#L696true havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 168#L698true assume !(0 != test_~tmp___0~1#1); 178#L706true havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 12#L708true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 33#L716true assume !(0 != test_~tmp___1~0#1); 8#L725true assume { :begin_inline_timeShift } true; 162#L746-2true assume !(0 != ~pumpRunning~0); 55#L753-2true assume !(0 != ~systemActive~0); 75#L761-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 40#L203-6true assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 175#L273-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 167#L287-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 149#L763-2true assume true;assume { :end_inline_timeShift } true; 72#L678true [2024-11-10 23:13:40,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:40,965 INFO L85 PathProgramCache]: Analyzing trace with hash 249429623, now seen corresponding path program 1 times [2024-11-10 23:13:40,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:40,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89839464] [2024-11-10 23:13:40,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:40,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:41,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1393812922, now seen corresponding path program 1 times [2024-11-10 23:13:41,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401588431] [2024-11-10 23:13:41,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:41,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1821384188, now seen corresponding path program 1 times [2024-11-10 23:13:41,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134080586] [2024-11-10 23:13:41,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:41,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:41,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134080586] [2024-11-10 23:13:41,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134080586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:41,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:41,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:41,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969979952] [2024-11-10 23:13:41,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:41,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:41,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:13:41,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:13:41,567 INFO L87 Difference]: Start difference. First operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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 23:13:41,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:41,711 INFO L93 Difference]: Finished difference Result 432 states and 564 transitions. [2024-11-10 23:13:41,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 432 states and 564 transitions. [2024-11-10 23:13:41,726 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 280 [2024-11-10 23:13:41,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 432 states to 399 states and 531 transitions. [2024-11-10 23:13:41,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 399 [2024-11-10 23:13:41,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 399 [2024-11-10 23:13:41,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 399 states and 531 transitions. [2024-11-10 23:13:41,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:41,751 INFO L218 hiAutomatonCegarLoop]: Abstraction has 399 states and 531 transitions. [2024-11-10 23:13:41,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states and 531 transitions. [2024-11-10 23:13:41,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 228. [2024-11-10 23:13:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 228 states have (on average 1.3289473684210527) internal successors, (303), 227 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:41,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 303 transitions. [2024-11-10 23:13:41,790 INFO L240 hiAutomatonCegarLoop]: Abstraction has 228 states and 303 transitions. [2024-11-10 23:13:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:13:41,796 INFO L425 stractBuchiCegarLoop]: Abstraction has 228 states and 303 transitions. [2024-11-10 23:13:41,797 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:41,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 228 states and 303 transitions. [2024-11-10 23:13:41,798 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 159 [2024-11-10 23:13:41,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:41,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:41,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:41,799 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 23:13:41,800 INFO L745 eck$LassoCheckResult]: Stem: 819#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 699#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 700#L999 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 761#L992 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 762#L1007 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 737#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 738#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 783#L678 [2024-11-10 23:13:41,800 INFO L747 eck$LassoCheckResult]: Loop: 783#L678 assume true; 765#L678-1 assume !false;assume true; 766#L680 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet35#1;test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 807#L688 assume !(0 != test_~tmp~5#1); 704#L696 havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 724#L698 assume !(0 != test_~tmp___0~1#1); 804#L706 havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 663#L708 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 664#L716 assume !(0 != test_~tmp___1~0#1); 656#L725 assume { :begin_inline_timeShift } true; 657#L746-2 assume !(0 != ~pumpRunning~0); 792#L753-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 746#L804-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 747#L778-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 736#L770-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 686#L796-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 685#L822-2 assume true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 745#L761-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 741#L203-6 assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 742#L273-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 803#L287-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 782#L763-2 assume true;assume { :end_inline_timeShift } true; 783#L678 [2024-11-10 23:13:41,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,803 INFO L85 PathProgramCache]: Analyzing trace with hash 249429623, now seen corresponding path program 2 times [2024-11-10 23:13:41,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9330149] [2024-11-10 23:13:41,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:41,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2000906274, now seen corresponding path program 1 times [2024-11-10 23:13:41,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087471142] [2024-11-10 23:13:41,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:41,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:41,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087471142] [2024-11-10 23:13:41,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087471142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:41,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:41,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:13:41,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455582642] [2024-11-10 23:13:41,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:41,877 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:41,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:41,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:41,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:41,878 INFO L87 Difference]: Start difference. First operand 228 states and 303 transitions. cyclomatic complexity: 78 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 23:13:41,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:41,976 INFO L93 Difference]: Finished difference Result 284 states and 360 transitions. [2024-11-10 23:13:41,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 284 states and 360 transitions. [2024-11-10 23:13:41,978 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 202 [2024-11-10 23:13:41,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 284 states to 284 states and 360 transitions. [2024-11-10 23:13:41,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2024-11-10 23:13:41,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2024-11-10 23:13:41,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 284 states and 360 transitions. [2024-11-10 23:13:41,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:41,988 INFO L218 hiAutomatonCegarLoop]: Abstraction has 284 states and 360 transitions. [2024-11-10 23:13:41,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states and 360 transitions. [2024-11-10 23:13:42,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-11-10 23:13:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 284 states have (on average 1.267605633802817) internal successors, (360), 283 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 360 transitions. [2024-11-10 23:13:42,007 INFO L240 hiAutomatonCegarLoop]: Abstraction has 284 states and 360 transitions. [2024-11-10 23:13:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:42,008 INFO L425 stractBuchiCegarLoop]: Abstraction has 284 states and 360 transitions. [2024-11-10 23:13:42,009 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:13:42,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 284 states and 360 transitions. [2024-11-10 23:13:42,010 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 202 [2024-11-10 23:13:42,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:42,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:42,012 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:42,013 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 23:13:42,013 INFO L745 eck$LassoCheckResult]: Stem: 1348#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1217#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1218#L999 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1277#L992 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1278#L1007 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1254#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1255#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1302#L678 [2024-11-10 23:13:42,014 INFO L747 eck$LassoCheckResult]: Loop: 1302#L678 assume true; 1280#L678-1 assume !false;assume true; 1281#L680 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet35#1;test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 1352#L688 assume !(0 != test_~tmp~5#1); 1445#L696 havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1328#L698 assume !(0 != test_~tmp___0~1#1); 1329#L706 havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1178#L708 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1179#L716 assume !(0 != test_~tmp___1~0#1); 1174#L725 assume { :begin_inline_timeShift } true; 1175#L746-2 assume !(0 != ~pumpRunning~0); 1313#L753-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1263#L804-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1264#L778-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 1225#L243-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 1226#L248-5 assume true;isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 1166#L924-5 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1167#L929-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 1237#L930-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret39#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret39#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1; 1238#L782-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1249#L770-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1201#L796-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1200#L822-2 assume true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 1262#L761-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 1437#L203-6 assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 1435#L273-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 1433#L287-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1301#L763-2 assume true;assume { :end_inline_timeShift } true; 1302#L678 [2024-11-10 23:13:42,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:42,015 INFO L85 PathProgramCache]: Analyzing trace with hash 249429623, now seen corresponding path program 3 times [2024-11-10 23:13:42,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:42,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334684392] [2024-11-10 23:13:42,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:42,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:42,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:42,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1314308679, now seen corresponding path program 1 times [2024-11-10 23:13:42,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:42,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985619928] [2024-11-10 23:13:42,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:42,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:42,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:42,085 INFO L85 PathProgramCache]: Analyzing trace with hash -281078851, now seen corresponding path program 1 times [2024-11-10 23:13:42,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:42,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2339368] [2024-11-10 23:13:42,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:42,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:43,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:43,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:43 BoogieIcfgContainer [2024-11-10 23:13:43,155 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:43,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:43,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:43,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:43,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:40" (3/4) ... [2024-11-10 23:13:43,160 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:43,217 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:43,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:43,218 INFO L158 Benchmark]: Toolchain (without parser) took 4062.89ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 159.0MB in the beginning and 163.9MB in the end (delta: -5.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,219 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:43,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.66ms. Allocated memory is still 190.8MB. Free memory was 159.0MB in the beginning and 137.3MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.48ms. Allocated memory is still 190.8MB. Free memory was 137.3MB in the beginning and 133.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,220 INFO L158 Benchmark]: Boogie Preprocessor took 73.09ms. Allocated memory is still 190.8MB. Free memory was 133.7MB in the beginning and 130.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,220 INFO L158 Benchmark]: IcfgBuilder took 974.55ms. Allocated memory is still 190.8MB. Free memory was 130.3MB in the beginning and 146.8MB in the end (delta: -16.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,221 INFO L158 Benchmark]: BuchiAutomizer took 2302.72ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 146.8MB in the beginning and 167.1MB in the end (delta: -20.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,221 INFO L158 Benchmark]: Witness Printer took 61.74ms. Allocated memory is still 230.7MB. Free memory was 167.1MB in the beginning and 163.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,223 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.66ms. Allocated memory is still 190.8MB. Free memory was 159.0MB in the beginning and 137.3MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.48ms. Allocated memory is still 190.8MB. Free memory was 137.3MB in the beginning and 133.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.09ms. Allocated memory is still 190.8MB. Free memory was 133.7MB in the beginning and 130.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 974.55ms. Allocated memory is still 190.8MB. Free memory was 130.3MB in the beginning and 146.8MB in the end (delta: -16.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2302.72ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 146.8MB in the beginning and 167.1MB in the end (delta: -20.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 61.74ms. Allocated memory is still 230.7MB. Free memory was 167.1MB in the beginning and 163.9MB 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 262]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [262] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [290] - GenericResultAtLocation [Line: 656]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [656] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [665] - GenericResultAtLocation [Line: 736]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [736] - GenericResultAtLocation [Line: 976]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [976] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 284 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. 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, 171 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 852 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 852 mSDsluCounter, 1367 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 896 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 471 mSDtfsCounter, 69 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: 678]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int pumpRunning = 0; [L740] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L1003] int retValue_acc ; [L1006] retValue_acc = 1 [L1007] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp___2)) [L714] tmp___1 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___1)) [L725] CALL timeShift() [L746] COND FALSE !(\read(pumpRunning)) [L753] COND TRUE \read(systemActive) [L755] CALL processEnvironment() [L801] int tmp ; [L804] COND FALSE !(\read(pumpRunning)) [L819] CALL processEnvironment__wrappee__highWaterSensor() [L775] int tmp ; [L778] COND TRUE ! pumpRunning [L780] CALL, EXPR isHighWaterLevel() [L916] int retValue_acc ; [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isHighWaterSensorDry() [L240] int retValue_acc ; [L243] COND TRUE waterLevel < 2 [L244] retValue_acc = 1 [L245] return (retValue_acc); [L922] RET, EXPR isHighWaterSensorDry() [L922] tmp = isHighWaterSensorDry() [L924] COND TRUE \read(tmp) [L925] tmp___0 = 0 [L929] retValue_acc = tmp___0 [L930] return (retValue_acc); [L780] RET, EXPR isHighWaterLevel() [L780] tmp = isHighWaterLevel() [L782] COND FALSE !(\read(tmp)) [L788] FCALL processEnvironment__wrappee__base() [L819] RET processEnvironment__wrappee__highWaterSensor() [L755] RET processEnvironment() [L761] CALL __utac_acc__Specification1_spec__1() [L266] int tmp ; [L267] int tmp___0 ; [L271] CALL, EXPR isMethaneLevelCritical() [L199] int retValue_acc ; [L202] retValue_acc = methaneLevelCritical [L203] return (retValue_acc); [L271] RET, EXPR isMethaneLevelCritical() [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L761] RET __utac_acc__Specification1_spec__1() [L725] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 678]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int pumpRunning = 0; [L740] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L1003] int retValue_acc ; [L1006] retValue_acc = 1 [L1007] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp___2)) [L714] tmp___1 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___1)) [L725] CALL timeShift() [L746] COND FALSE !(\read(pumpRunning)) [L753] COND TRUE \read(systemActive) [L755] CALL processEnvironment() [L801] int tmp ; [L804] COND FALSE !(\read(pumpRunning)) [L819] CALL processEnvironment__wrappee__highWaterSensor() [L775] int tmp ; [L778] COND TRUE ! pumpRunning [L780] CALL, EXPR isHighWaterLevel() [L916] int retValue_acc ; [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isHighWaterSensorDry() [L240] int retValue_acc ; [L243] COND TRUE waterLevel < 2 [L244] retValue_acc = 1 [L245] return (retValue_acc); [L922] RET, EXPR isHighWaterSensorDry() [L922] tmp = isHighWaterSensorDry() [L924] COND TRUE \read(tmp) [L925] tmp___0 = 0 [L929] retValue_acc = tmp___0 [L930] return (retValue_acc); [L780] RET, EXPR isHighWaterLevel() [L780] tmp = isHighWaterLevel() [L782] COND FALSE !(\read(tmp)) [L788] FCALL processEnvironment__wrappee__base() [L819] RET processEnvironment__wrappee__highWaterSensor() [L755] RET processEnvironment() [L761] CALL __utac_acc__Specification1_spec__1() [L266] int tmp ; [L267] int tmp___0 ; [L271] CALL, EXPR isMethaneLevelCritical() [L199] int retValue_acc ; [L202] retValue_acc = methaneLevelCritical [L203] return (retValue_acc); [L271] RET, EXPR isMethaneLevelCritical() [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L761] RET __utac_acc__Specification1_spec__1() [L725] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:43,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)