./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product01.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_spec2_product01.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 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:46:06,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:46:06,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:46:06,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:46:06,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:46:06,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:46:06,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:46:06,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:46:06,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:46:06,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:46:06,629 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:46:06,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:46:06,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:46:06,632 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:46:06,632 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:46:06,632 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:46:06,633 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:46:06,633 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:46:06,633 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:46:06,633 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:46:06,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:46:06,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:46:06,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:46:06,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:46:06,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:46:06,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:46:06,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:46:06,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:46:06,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:46:06,638 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:46:06,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:46:06,639 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:46:06,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:46:06,639 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:46:06,639 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:46:06,639 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:46:06,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:46:06,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:46:06,641 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:46:06,641 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:46:06,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 [2024-11-17 08:46:06,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:46:06,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:46:06,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:46:06,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:46:06,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:46:06,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2024-11-17 08:46:08,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:08,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:08,636 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2024-11-17 08:46:08,653 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819014964/1b81b090572e458fb7ed48e5ecea3fc5/FLAG3fd2ac7fb [2024-11-17 08:46:08,669 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819014964/1b81b090572e458fb7ed48e5ecea3fc5 [2024-11-17 08:46:08,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:08,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:08,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:08,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:08,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:08,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:08" (1/1) ... [2024-11-17 08:46:08,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4da951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:08, skipping insertion in model container [2024-11-17 08:46:08,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:08" (1/1) ... [2024-11-17 08:46:08,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:08,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:09,000 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:09,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-17 08:46:09,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] [2024-11-17 08:46:09,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] [2024-11-17 08:46:09,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [271] [2024-11-17 08:46:09,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [369] [2024-11-17 08:46:09,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [409] [2024-11-17 08:46:09,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [775] [2024-11-17 08:46:09,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [856] [2024-11-17 08:46:09,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:09,109 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:09,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09 WrapperNode [2024-11-17 08:46:09,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:09,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:09,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:09,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:09,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,161 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 36, statements flattened = 242 [2024-11-17 08:46:09,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:09,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:09,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:09,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:09,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,180 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,202 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 08:46:09,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,211 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:09,220 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:09,220 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:09,221 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:09,221 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (1/1) ... [2024-11-17 08:46:09,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:09,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:09,257 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 08:46:09,262 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 08:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:09,370 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:09,371 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:09,604 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L126-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:46:09,604 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L126-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:46:09,604 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L126-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:46:09,604 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-17 08:46:09,604 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L821-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-17 08:46:09,604 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L821-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-17 08:46:09,605 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L821-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-17 08:46:09,605 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L268-1: valid_product_#res#1 := valid_product_~retValue_acc~3#1; [2024-11-17 08:46:09,626 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:09,627 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:09,642 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:09,642 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:09,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:09 BoogieIcfgContainer [2024-11-17 08:46:09,646 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:09,647 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:09,647 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:09,653 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:09,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:09,654 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:08" (1/3) ... [2024-11-17 08:46:09,655 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b0b4e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:09, skipping insertion in model container [2024-11-17 08:46:09,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:09,655 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:09" (2/3) ... [2024-11-17 08:46:09,655 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b0b4e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:09, skipping insertion in model container [2024-11-17 08:46:09,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:09,656 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:09" (3/3) ... [2024-11-17 08:46:09,657 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2024-11-17 08:46:09,709 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:09,709 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:09,710 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:09,710 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:09,710 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:09,710 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:09,710 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:09,710 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:09,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 83 states have internal predecessors, (114), 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 08:46:09,735 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2024-11-17 08:46:09,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:09,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:09,741 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:09,741 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 08:46:09,741 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:09,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 83 states have internal predecessors, (114), 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 08:46:09,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2024-11-17 08:46:09,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:09,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:09,747 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:09,747 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 08:46:09,751 INFO L745 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 41#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 4#L259true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 62#L252true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 38#L267true assume true;main_#t~ret18#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret18#1;havoc main_#t~ret18#1; 33#L356true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 16#L331true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 76#L377true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 70#L179true [2024-11-17 08:46:09,751 INFO L747 eck$LassoCheckResult]: Loop: 70#L179true assume true; 14#L179-1true assume !false; 20#test_while_0_continue#1true assume true; 42#L181true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 30#L189true assume !(0 != test_~tmp~0#1); 11#L197true havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 61#L199true assume !(0 != test_~tmp___0~0#1); 9#L207true havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 52#L209true assume 0 != test_~tmp___2~0#1; 26#L222true assume { :begin_inline_timeShift } true; 53#L66-2true assume !(0 != ~pumpRunning~0); 48#L73-2true assume !(0 != ~systemActive~0); 39#L81-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 45#L820-2true assume true;__utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 25#L388-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 5#L406-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 56#L83-2true assume true;assume { :end_inline_timeShift } true; 70#L179true [2024-11-17 08:46:09,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:09,757 INFO L85 PathProgramCache]: Analyzing trace with hash 670573850, now seen corresponding path program 1 times [2024-11-17 08:46:09,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:09,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964825966] [2024-11-17 08:46:09,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:09,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:09,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:09,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:09,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:09,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1782183805, now seen corresponding path program 1 times [2024-11-17 08:46:09,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:09,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292262413] [2024-11-17 08:46:09,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:09,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:09,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:09,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:09,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:09,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1531209590, now seen corresponding path program 1 times [2024-11-17 08:46:09,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:10,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793105531] [2024-11-17 08:46:10,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:10,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:10,294 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 08:46:10,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:10,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793105531] [2024-11-17 08:46:10,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793105531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:10,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:10,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:46:10,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724164994] [2024-11-17 08:46:10,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:10,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:10,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:46:10,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:46:10,453 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 83 states have internal predecessors, (114), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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 08:46:10,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:10,533 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2024-11-17 08:46:10,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 97 transitions. [2024-11-17 08:46:10,541 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2024-11-17 08:46:10,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 67 states and 86 transitions. [2024-11-17 08:46:10,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2024-11-17 08:46:10,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2024-11-17 08:46:10,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 86 transitions. [2024-11-17 08:46:10,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:10,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-17 08:46:10,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 86 transitions. [2024-11-17 08:46:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-17 08:46:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 66 states have internal predecessors, (86), 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 08:46:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2024-11-17 08:46:10,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-17 08:46:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:46:10,591 INFO L425 stractBuchiCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-17 08:46:10,592 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:10,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 86 transitions. [2024-11-17 08:46:10,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2024-11-17 08:46:10,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:10,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:10,595 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:10,596 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:10,596 INFO L745 eck$LassoCheckResult]: Stem: 244#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 231#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 182#L259 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 183#L252 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 227#L267 assume true;main_#t~ret18#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret18#1;havoc main_#t~ret18#1; 223#L356 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 202#L331 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 203#L377 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 242#L179 [2024-11-17 08:46:10,596 INFO L747 eck$LassoCheckResult]: Loop: 242#L179 assume true; 200#L179-1 assume !false; 201#test_while_0_continue#1 assume true; 206#L181 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 220#L189 assume !(0 != test_~tmp~0#1); 196#L197 havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 197#L199 assume !(0 != test_~tmp___0~0#1); 192#L207 havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 193#L209 assume 0 != test_~tmp___2~0#1; 214#L222 assume { :begin_inline_timeShift } true; 215#L66-2 assume !(0 != ~pumpRunning~0); 181#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 234#L90-2 assume true;assume { :end_inline_processEnvironment } true; 228#L81-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 229#L820-2 assume true;__utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 213#L388-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 184#L406-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 185#L83-2 assume true;assume { :end_inline_timeShift } true; 242#L179 [2024-11-17 08:46:10,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash 670573850, now seen corresponding path program 2 times [2024-11-17 08:46:10,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:10,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348047861] [2024-11-17 08:46:10,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:10,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:10,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:10,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:10,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:10,639 INFO L85 PathProgramCache]: Analyzing trace with hash -268259196, now seen corresponding path program 1 times [2024-11-17 08:46:10,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:10,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787180644] [2024-11-17 08:46:10,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:10,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:10,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:10,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:10,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:10,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1077993123, now seen corresponding path program 1 times [2024-11-17 08:46:10,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:10,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457109378] [2024-11-17 08:46:10,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:10,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:10,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:10,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:11,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:11,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:11 BoogieIcfgContainer [2024-11-17 08:46:11,734 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:11,735 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:11,735 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:11,735 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:11,736 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:09" (3/4) ... [2024-11-17 08:46:11,737 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:11,798 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:11,801 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:11,801 INFO L158 Benchmark]: Toolchain (without parser) took 3127.36ms. Allocated memory was 176.2MB in the beginning and 251.7MB in the end (delta: 75.5MB). Free memory was 123.9MB in the beginning and 207.6MB in the end (delta: -83.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:11,802 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:11,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.40ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 102.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:46:11,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.32ms. Allocated memory is still 176.2MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:11,803 INFO L158 Benchmark]: Boogie Preprocessor took 57.56ms. Allocated memory is still 176.2MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:11,803 INFO L158 Benchmark]: IcfgBuilder took 426.17ms. Allocated memory is still 176.2MB. Free memory was 98.7MB in the beginning and 80.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 08:46:11,803 INFO L158 Benchmark]: BuchiAutomizer took 2086.77ms. Allocated memory was 176.2MB in the beginning and 251.7MB in the end (delta: 75.5MB). Free memory was 80.8MB in the beginning and 209.7MB in the end (delta: -128.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:11,804 INFO L158 Benchmark]: Witness Printer took 66.22ms. Allocated memory is still 251.7MB. Free memory was 209.7MB in the beginning and 207.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:11,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.40ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 102.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.32ms. Allocated memory is still 176.2MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.56ms. Allocated memory is still 176.2MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 426.17ms. Allocated memory is still 176.2MB. Free memory was 98.7MB in the beginning and 80.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2086.77ms. Allocated memory was 176.2MB in the beginning and 251.7MB in the end (delta: 75.5MB). Free memory was 80.8MB in the beginning and 209.7MB in the end (delta: -128.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.22ms. Allocated memory is still 251.7MB. Free memory was 209.7MB in the beginning and 207.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 165]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [271] - GenericResultAtLocation [Line: 369]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [369] - GenericResultAtLocation [Line: 409]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [409] - GenericResultAtLocation [Line: 775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [775] - GenericResultAtLocation [Line: 856]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [856] * 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 6 locations. The remainder module has 67 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 179 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 92 mSDtfsCounter, 18 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: 179]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L272] int cleanupTimeShifts = 4; [L371] int methAndRunningLastTime ; [L579] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L777] int waterLevel = 1; [L778] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L347] int retValue_acc ; [L348] int tmp ; [L352] FCALL select_helpers() [L353] FCALL select_features() [L354] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L354] RET, EXPR valid_product() [L354] tmp = valid_product() [L356] COND TRUE \read(tmp) [L358] FCALL setup() [L359] CALL runTest() [L340] CALL __utac_acc__Specification2_spec__1() [L376] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L340] RET __utac_acc__Specification2_spec__1() [L341] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification2_spec__2() [L381] int tmp ; [L382] int tmp___0 ; [L386] CALL, EXPR isMethaneLevelCritical() [L816] int retValue_acc ; [L819] retValue_acc = methaneLevelCritical [L820] return (retValue_acc); [L386] RET, EXPR isMethaneLevelCritical() [L386] tmp = isMethaneLevelCritical() [L388] COND FALSE !(\read(tmp)) [L404] methAndRunningLastTime = 0 [L81] RET __utac_acc__Specification2_spec__2() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 179]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L272] int cleanupTimeShifts = 4; [L371] int methAndRunningLastTime ; [L579] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L777] int waterLevel = 1; [L778] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L347] int retValue_acc ; [L348] int tmp ; [L352] FCALL select_helpers() [L353] FCALL select_features() [L354] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L354] RET, EXPR valid_product() [L354] tmp = valid_product() [L356] COND TRUE \read(tmp) [L358] FCALL setup() [L359] CALL runTest() [L340] CALL __utac_acc__Specification2_spec__1() [L376] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L340] RET __utac_acc__Specification2_spec__1() [L341] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification2_spec__2() [L381] int tmp ; [L382] int tmp___0 ; [L386] CALL, EXPR isMethaneLevelCritical() [L816] int retValue_acc ; [L819] retValue_acc = methaneLevelCritical [L820] return (retValue_acc); [L386] RET, EXPR isMethaneLevelCritical() [L386] tmp = isMethaneLevelCritical() [L388] COND FALSE !(\read(tmp)) [L404] methAndRunningLastTime = 0 [L81] RET __utac_acc__Specification2_spec__2() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:46:11,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)