./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product27.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 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:45:38,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:45:38,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:45:38,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:45:38,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:45:38,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:45:38,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:45:38,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:45:38,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:45:38,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:45:38,762 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:45:38,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:45:38,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:45:38,762 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:45:38,763 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:45:38,763 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:45:38,763 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:45:38,764 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:45:38,764 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:45:38,764 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:45:38,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:45:38,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:45:38,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:45:38,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:45:38,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:45:38,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:45:38,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:45:38,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:45:38,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:45:38,767 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:45:38,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:45:38,767 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:45:38,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:45:38,768 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:45:38,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:45:38,768 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:45:38,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:45:38,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:45:38,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:45:38,769 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:45:38,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2024-11-17 08:45:38,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:45:39,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:45:39,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:45:39,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:45:39,027 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:45:39,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2024-11-17 08:45:40,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:45:40,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:45:40,606 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2024-11-17 08:45:40,616 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e73ffc384/a1890c72fc654dfc8a763f573b7d4534/FLAGa615420a2 [2024-11-17 08:45:40,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e73ffc384/a1890c72fc654dfc8a763f573b7d4534 [2024-11-17 08:45:40,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:45:40,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:45:40,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:40,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:45:40,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:45:40,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:40" (1/1) ... [2024-11-17 08:45:40,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540b7a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:40, skipping insertion in model container [2024-11-17 08:45:40,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:40" (1/1) ... [2024-11-17 08:45:40,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:45:40,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:40,943 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:45:40,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-17 08:45:40,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-17 08:45:40,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] [2024-11-17 08:45:40,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [192] [2024-11-17 08:45:40,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [219] [2024-11-17 08:45:40,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [318] [2024-11-17 08:45:40,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [684] [2024-11-17 08:45:40,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [752] [2024-11-17 08:45:41,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:41,051 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:45:41,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41 WrapperNode [2024-11-17 08:45:41,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:41,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:41,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:45:41,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:45:41,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,108 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 51, calls inlined = 52, statements flattened = 332 [2024-11-17 08:45:41,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:41,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:45:41,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:45:41,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:45:41,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,134 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:45:41,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,139 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:45:41,145 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:45:41,145 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:45:41,145 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:45:41,146 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (1/1) ... [2024-11-17 08:45:41,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:45:41,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:45:41,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:45:41,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:45:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:45:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:45:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:45:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:45:41,301 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:45:41,303 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:45:41,545 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L921-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-17 08:45:41,546 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L921-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-17 08:45:41,546 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L921-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-17 08:45:41,546 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L866-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-17 08:45:41,546 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L866-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-17 08:45:41,546 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L866-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-17 08:45:41,546 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L189-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-17 08:45:41,546 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L189-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-17 08:45:41,546 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L189-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-17 08:45:41,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-17 08:45:41,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-17 08:45:41,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-17 08:45:41,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L315-1: main_#res#1 := main_~retValue_acc~5#1; [2024-11-17 08:45:41,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-17 08:45:41,561 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-17 08:45:41,562 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:45:41,574 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:45:41,574 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:45:41,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:41 BoogieIcfgContainer [2024-11-17 08:45:41,575 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:45:41,575 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:45:41,576 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:45:41,581 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:45:41,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:41,582 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:45:40" (1/3) ... [2024-11-17 08:45:41,582 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3696125b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:41, skipping insertion in model container [2024-11-17 08:45:41,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:41,583 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:41" (2/3) ... [2024-11-17 08:45:41,583 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3696125b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:41, skipping insertion in model container [2024-11-17 08:45:41,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:41,583 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:41" (3/3) ... [2024-11-17 08:45:41,584 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2024-11-17 08:45:41,629 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:45:41,629 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:45:41,629 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:45:41,630 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:45:41,630 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:45:41,630 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:45:41,630 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:45:41,630 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:45:41,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 110 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:41,650 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-17 08:45:41,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:41,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:41,657 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:41,657 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:41,657 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:45:41,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 110 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:41,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-17 08:45:41,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:41,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:41,664 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:41,664 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:41,669 INFO L745 eck$LassoCheckResult]: Stem: 101#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 27#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 51#L75true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 108#L68true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 21#L83true assume true;main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 54#L305true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 11#L281true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#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; 41#L696true [2024-11-17 08:45:41,669 INFO L747 eck$LassoCheckResult]: Loop: 41#L696true assume true; 90#L696-1true assume !false; 103#test_while_4_continue#1true assume true; 79#L698true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 94#L706true assume !(0 != test_~tmp~5#1); 8#L714true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 42#L716true assume !(0 != test_~tmp___0~1#1); 18#L724true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 77#L726true assume 0 != test_~tmp___2~0#1; 105#L741true assume { :begin_inline_timeShift } true; 12#L762-2true assume !(0 != ~pumpRunning~0); 67#L769-2true assume !(0 != ~systemActive~0); 78#L777-2true 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~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 71#L147-2true assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 89#L202-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 25#L216-2true 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~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 33#L779-2true assume true;assume { :end_inline_timeShift } true; 41#L696true [2024-11-17 08:45:41,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:41,674 INFO L85 PathProgramCache]: Analyzing trace with hash 353722395, now seen corresponding path program 1 times [2024-11-17 08:45:41,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:41,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509353800] [2024-11-17 08:45:41,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:41,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:41,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:41,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:41,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:41,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1216891566, now seen corresponding path program 1 times [2024-11-17 08:45:41,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:41,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843798582] [2024-11-17 08:45:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:41,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:41,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:41,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:41,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:41,824 INFO L85 PathProgramCache]: Analyzing trace with hash 196075988, now seen corresponding path program 1 times [2024-11-17 08:45:41,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:41,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638687756] [2024-11-17 08:45:41,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:41,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:45:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:45:41,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:45:41,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638687756] [2024-11-17 08:45:41,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638687756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:45:41,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:45:41,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:45:41,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477802933] [2024-11-17 08:45:41,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:45:42,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:45:42,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:45:42,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:45:42,079 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 110 states have internal predecessors, (148), 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) [2024-11-17 08:45:42,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:45:42,140 INFO L93 Difference]: Finished difference Result 202 states and 258 transitions. [2024-11-17 08:45:42,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 258 transitions. [2024-11-17 08:45:42,146 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 126 [2024-11-17 08:45:42,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 180 states and 235 transitions. [2024-11-17 08:45:42,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 180 [2024-11-17 08:45:42,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 180 [2024-11-17 08:45:42,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 180 states and 235 transitions. [2024-11-17 08:45:42,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:45:42,153 INFO L218 hiAutomatonCegarLoop]: Abstraction has 180 states and 235 transitions. [2024-11-17 08:45:42,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states and 235 transitions. [2024-11-17 08:45:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2024-11-17 08:45:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 177 states have (on average 1.305084745762712) internal successors, (231), 176 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 231 transitions. [2024-11-17 08:45:42,178 INFO L240 hiAutomatonCegarLoop]: Abstraction has 177 states and 231 transitions. [2024-11-17 08:45:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:45:42,183 INFO L425 stractBuchiCegarLoop]: Abstraction has 177 states and 231 transitions. [2024-11-17 08:45:42,185 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:45:42,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 231 transitions. [2024-11-17 08:45:42,187 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 126 [2024-11-17 08:45:42,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:42,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:42,192 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:42,192 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:42,192 INFO L745 eck$LassoCheckResult]: Stem: 430#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 388#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 389#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 438#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 381#L83 assume true;main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 382#L305 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 351#L281 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#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; 352#L696 [2024-11-17 08:45:42,192 INFO L747 eck$LassoCheckResult]: Loop: 352#L696 assume true; 407#L696-1 assume !false; 408#test_while_4_continue#1 assume true; 391#L698 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 393#L706 assume !(0 != test_~tmp~5#1); 337#L714 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 338#L716 assume !(0 != test_~tmp___0~1#1); 446#L724 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 445#L726 assume 0 != test_~tmp___2~0#1; 436#L741 assume { :begin_inline_timeShift } true; 353#L762-2 assume !(0 != ~pumpRunning~0); 349#L769-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 350#L794-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 380#L786-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 346#L812-2 assume true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 409#L777-2 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~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 450#L147-2 assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 406#L202-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 327#L216-2 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~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 405#L779-2 assume true;assume { :end_inline_timeShift } true; 352#L696 [2024-11-17 08:45:42,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:42,193 INFO L85 PathProgramCache]: Analyzing trace with hash 353722395, now seen corresponding path program 2 times [2024-11-17 08:45:42,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:42,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592723053] [2024-11-17 08:45:42,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:42,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:42,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:42,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:42,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:42,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1558112549, now seen corresponding path program 1 times [2024-11-17 08:45:42,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:42,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109207846] [2024-11-17 08:45:42,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:42,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:42,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:42,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:42,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:42,217 INFO L85 PathProgramCache]: Analyzing trace with hash -11573771, now seen corresponding path program 1 times [2024-11-17 08:45:42,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:42,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911110628] [2024-11-17 08:45:42,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:42,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:42,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:42,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:42,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:42,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:45:42 BoogieIcfgContainer [2024-11-17 08:45:42,938 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:45:42,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:45:42,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:45:42,939 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:45:42,939 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:41" (3/4) ... [2024-11-17 08:45:42,940 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:45:43,009 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:45:43,010 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:45:43,010 INFO L158 Benchmark]: Toolchain (without parser) took 2379.38ms. Allocated memory was 148.9MB in the beginning and 249.6MB in the end (delta: 100.7MB). Free memory was 78.4MB in the beginning and 181.3MB in the end (delta: -103.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:45:43,012 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 112.2MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:45:43,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.00ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 78.2MB in the beginning and 169.0MB in the end (delta: -90.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-17 08:45:43,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.43ms. Allocated memory is still 201.3MB. Free memory was 168.9MB in the beginning and 168.7MB in the end (delta: 211.0kB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-17 08:45:43,013 INFO L158 Benchmark]: Boogie Preprocessor took 32.84ms. Allocated memory is still 201.3MB. Free memory was 168.7MB in the beginning and 165.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:45:43,014 INFO L158 Benchmark]: IcfgBuilder took 430.06ms. Allocated memory is still 201.3MB. Free memory was 165.6MB in the beginning and 143.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:45:43,014 INFO L158 Benchmark]: BuchiAutomizer took 1362.31ms. Allocated memory was 201.3MB in the beginning and 249.6MB in the end (delta: 48.2MB). Free memory was 143.5MB in the beginning and 183.9MB in the end (delta: -40.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-17 08:45:43,014 INFO L158 Benchmark]: Witness Printer took 71.32ms. Allocated memory is still 249.6MB. Free memory was 183.9MB in the beginning and 181.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:43,015 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 148.9MB. Free memory was 112.4MB in the beginning and 112.2MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.00ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 78.2MB in the beginning and 169.0MB in the end (delta: -90.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.43ms. Allocated memory is still 201.3MB. Free memory was 168.9MB in the beginning and 168.7MB in the end (delta: 211.0kB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.84ms. Allocated memory is still 201.3MB. Free memory was 168.7MB in the beginning and 165.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 430.06ms. Allocated memory is still 201.3MB. Free memory was 165.6MB in the beginning and 143.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1362.31ms. Allocated memory was 201.3MB in the beginning and 249.6MB in the end (delta: 48.2MB). Free memory was 143.5MB in the beginning and 183.9MB in the end (delta: -40.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 71.32ms. Allocated memory is still 249.6MB. Free memory was 183.9MB in the beginning and 181.3MB in the end (delta: 2.5MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] - GenericResultAtLocation [Line: 192]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [192] - GenericResultAtLocation [Line: 219]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [219] - GenericResultAtLocation [Line: 318]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [318] - GenericResultAtLocation [Line: 684]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [684] - GenericResultAtLocation [Line: 752]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [752] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 177 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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, 112 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 132 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 696]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L220] int cleanupTimeShifts = 4; [L488] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int pumpRunning = 0; [L756] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L296] int retValue_acc ; [L297] int tmp ; [L301] FCALL select_helpers() [L302] FCALL select_features() [L303] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L303] RET, EXPR valid_product() [L303] tmp = valid_product() [L305] COND TRUE \read(tmp) [L307] FCALL setup() [L308] CALL runTest() [L290] CALL test() [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L696] COND TRUE 1 [L698] COND TRUE splverifierCounter < 4 [L704] tmp = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp)) [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) [L741] CALL timeShift() [L762] COND FALSE !(\read(pumpRunning)) [L769] COND TRUE \read(systemActive) [L771] CALL processEnvironment() [L791] int tmp ; [L794] COND FALSE !(\read(pumpRunning)) [L809] FCALL processEnvironment__wrappee__base() [L771] RET processEnvironment() [L777] CALL __utac_acc__Specification1_spec__1() [L195] int tmp ; [L196] int tmp___0 ; [L200] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L200] RET, EXPR isMethaneLevelCritical() [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) [L777] RET __utac_acc__Specification1_spec__1() [L741] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 696]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L220] int cleanupTimeShifts = 4; [L488] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int pumpRunning = 0; [L756] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L296] int retValue_acc ; [L297] int tmp ; [L301] FCALL select_helpers() [L302] FCALL select_features() [L303] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L303] RET, EXPR valid_product() [L303] tmp = valid_product() [L305] COND TRUE \read(tmp) [L307] FCALL setup() [L308] CALL runTest() [L290] CALL test() [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L696] COND TRUE 1 [L698] COND TRUE splverifierCounter < 4 [L704] tmp = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp)) [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) [L741] CALL timeShift() [L762] COND FALSE !(\read(pumpRunning)) [L769] COND TRUE \read(systemActive) [L771] CALL processEnvironment() [L791] int tmp ; [L794] COND FALSE !(\read(pumpRunning)) [L809] FCALL processEnvironment__wrappee__base() [L771] RET processEnvironment() [L777] CALL __utac_acc__Specification1_spec__1() [L195] int tmp ; [L196] int tmp___0 ; [L200] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L200] RET, EXPR isMethaneLevelCritical() [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) [L777] RET __utac_acc__Specification1_spec__1() [L741] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:45:43,042 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)