./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU --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 cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:20,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:20,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:09:20,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:20,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:20,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:20,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:20,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:20,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:09:20,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:09:20,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:20,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:20,325 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:20,325 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:09:20,326 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:09:20,326 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:09:20,326 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:09:20,327 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:09:20,327 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:09:20,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:20,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:09:20,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:09:20,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:20,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:09:20,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:20,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:09:20,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:09:20,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:09:20,333 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:20,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:09:20,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:09:20,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:20,339 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:09:20,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:20,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:20,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:20,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:20,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:20,341 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:09:20,341 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824 [2024-10-31 22:09:20,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:20,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:20,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:20,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:20,635 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:20,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c Unable to find full path for "g++" [2024-10-31 22:09:22,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:22,845 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:22,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2024-10-31 22:09:22,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/data/a0b52e620/8a64bfb69449474bbbe14f40a1962f1b/FLAG3976bbe9d [2024-10-31 22:09:23,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/data/a0b52e620/8a64bfb69449474bbbe14f40a1962f1b [2024-10-31 22:09:23,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:23,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:23,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:23,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:23,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:23,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bb226e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23, skipping insertion in model container [2024-10-31 22:09:23,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:23,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:23,659 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:23,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-10-31 22:09:23,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] [2024-10-31 22:09:23,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] [2024-10-31 22:09:23,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [717] [2024-10-31 22:09:23,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [726] [2024-10-31 22:09:23,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [825] [2024-10-31 22:09:23,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [860] [2024-10-31 22:09:23,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [895] [2024-10-31 22:09:23,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:23,790 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:23,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23 WrapperNode [2024-10-31 22:09:23,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:23,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:23,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:23,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:23,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,852 INFO L138 Inliner]: procedures = 56, calls = 104, calls flagged for inlining = 57, calls inlined = 86, statements flattened = 550 [2024-10-31 22:09:23,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:23,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:23,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:23,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:23,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,885 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]. [2024-10-31 22:09:23,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:23,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:23,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:23,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:23,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (1/1) ... [2024-10-31 22:09:23,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:09:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:23,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:23,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:09:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:24,081 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:24,085 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:09:24,730 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-10-31 22:09:24,730 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:09:24,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:09:24,761 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:09:24,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:24 BoogieIcfgContainer [2024-10-31 22:09:24,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:09:24,765 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:09:24,765 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:09:24,770 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:09:24,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:09:24,771 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:09:23" (1/3) ... [2024-10-31 22:09:24,773 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ed369c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:09:24, skipping insertion in model container [2024-10-31 22:09:24,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:09:24,774 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:23" (2/3) ... [2024-10-31 22:09:24,774 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ed369c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:09:24, skipping insertion in model container [2024-10-31 22:09:24,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:09:24,774 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:24" (3/3) ... [2024-10-31 22:09:24,776 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product32.cil.c [2024-10-31 22:09:24,840 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:09:24,841 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:09:24,841 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:09:24,841 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:09:24,841 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:09:24,841 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:09:24,841 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:09:24,842 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:09:24,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 164 states, 163 states have (on average 1.343558282208589) internal successors, (219), 163 states have internal predecessors, (219), 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) [2024-10-31 22:09:24,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2024-10-31 22:09:24,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:09:24,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:09:24,885 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:24,885 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:24,885 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:09:24,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 164 states, 163 states have (on average 1.343558282208589) internal successors, (219), 163 states have internal predecessors, (219), 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) [2024-10-31 22:09:24,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2024-10-31 22:09:24,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:09:24,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:09:24,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:24,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:24,913 INFO L745 eck$LassoCheckResult]: Stem: 39#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 55#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 134#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 116#valid_product_returnLabel#1true main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 109#L812true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 100#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 42#L432-2true [2024-10-31 22:09:24,914 INFO L747 eck$LassoCheckResult]: Loop: 42#L432-2true assume !false; 97#L433true assume test_~splverifierCounter~0#1 < 4; 23#L434true havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 34#L442true assume !(0 != test_~tmp~3#1); 129#L442-2true havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 105#L452true assume !(0 != test_~tmp___0~0#1); 70#L452-2true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 112#L462true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 72#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 45#L470-2true assume { :begin_inline_timeShift } true; 29#L507true assume !(0 != ~pumpRunning~0); 37#L507-2true assume !(0 != ~systemActive~0); 48#L514-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 95#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 20#L836true assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 77#L842-1true havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 84#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 42#L432-2true [2024-10-31 22:09:24,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:24,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-31 22:09:24,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:24,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560493430] [2024-10-31 22:09:24,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:24,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:25,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:25,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:25,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:25,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1850073363, now seen corresponding path program 1 times [2024-10-31 22:09:25,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:25,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180386682] [2024-10-31 22:09:25,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:25,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:25,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:25,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180386682] [2024-10-31 22:09:25,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180386682] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:25,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:25,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:09:25,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053862699] [2024-10-31 22:09:25,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:25,190 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:09:25,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:25,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:25,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:25,224 INFO L87 Difference]: Start difference. First operand has 164 states, 163 states have (on average 1.343558282208589) internal successors, (219), 163 states have internal predecessors, (219), 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 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-31 22:09:25,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:09:25,294 INFO L93 Difference]: Finished difference Result 307 states and 399 transitions. [2024-10-31 22:09:25,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 399 transitions. [2024-10-31 22:09:25,302 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 200 [2024-10-31 22:09:25,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 287 states and 378 transitions. [2024-10-31 22:09:25,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 287 [2024-10-31 22:09:25,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 287 [2024-10-31 22:09:25,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 287 states and 378 transitions. [2024-10-31 22:09:25,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:09:25,313 INFO L218 hiAutomatonCegarLoop]: Abstraction has 287 states and 378 transitions. [2024-10-31 22:09:25,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states and 378 transitions. [2024-10-31 22:09:25,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 284. [2024-10-31 22:09:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 284 states have (on average 1.3169014084507042) internal successors, (374), 283 states have internal predecessors, (374), 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) [2024-10-31 22:09:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 374 transitions. [2024-10-31 22:09:25,374 INFO L240 hiAutomatonCegarLoop]: Abstraction has 284 states and 374 transitions. [2024-10-31 22:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:25,379 INFO L425 stractBuchiCegarLoop]: Abstraction has 284 states and 374 transitions. [2024-10-31 22:09:25,379 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:09:25,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 284 states and 374 transitions. [2024-10-31 22:09:25,385 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2024-10-31 22:09:25,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:09:25,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:09:25,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:25,386 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:25,386 INFO L745 eck$LassoCheckResult]: Stem: 548#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 549#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 537#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 538#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 628#valid_product_returnLabel#1 main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 622#L812 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 614#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 554#L432-2 [2024-10-31 22:09:25,387 INFO L747 eck$LassoCheckResult]: Loop: 554#L432-2 assume !false; 555#L433 assume test_~splverifierCounter~0#1 < 4; 610#L434 havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 741#L442 assume !(0 != test_~tmp~3#1); 739#L442-2 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 737#L452 assume !(0 != test_~tmp___0~0#1); 735#L452-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 734#L462 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 733#L470 assume !(0 != test_~tmp___1~0#1); 592#L470-2 assume { :begin_inline_timeShift } true; 731#L507 assume !(0 != ~pumpRunning~0); 718#L507-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 717#L565 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 716#L539-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 708#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 704#L539-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 701#L565-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 700#L514-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 699#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 694#L836 assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 693#L842-1 havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 601#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 554#L432-2 [2024-10-31 22:09:25,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:25,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-31 22:09:25,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:25,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087719626] [2024-10-31 22:09:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:25,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:25,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:25,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:25,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:25,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1305347470, now seen corresponding path program 1 times [2024-10-31 22:09:25,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:25,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906447428] [2024-10-31 22:09:25,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:25,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:25,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:25,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:25,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:25,480 INFO L85 PathProgramCache]: Analyzing trace with hash -188504778, now seen corresponding path program 1 times [2024-10-31 22:09:25,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:25,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117338069] [2024-10-31 22:09:25,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:25,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:25,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:25,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117338069] [2024-10-31 22:09:25,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117338069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:25,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:25,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:09:25,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246447049] [2024-10-31 22:09:25,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:25,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:25,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:09:25,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:09:25,802 INFO L87 Difference]: Start difference. First operand 284 states and 374 transitions. cyclomatic complexity: 93 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-10-31 22:09:25,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:09:25,964 INFO L93 Difference]: Finished difference Result 561 states and 733 transitions. [2024-10-31 22:09:25,964 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 561 states and 733 transitions. [2024-10-31 22:09:25,976 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 394 [2024-10-31 22:09:25,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 561 states to 561 states and 733 transitions. [2024-10-31 22:09:25,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 561 [2024-10-31 22:09:25,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 561 [2024-10-31 22:09:25,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 561 states and 733 transitions. [2024-10-31 22:09:25,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:09:25,985 INFO L218 hiAutomatonCegarLoop]: Abstraction has 561 states and 733 transitions. [2024-10-31 22:09:25,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states and 733 transitions. [2024-10-31 22:09:26,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 561. [2024-10-31 22:09:26,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 561 states have (on average 1.3065953654188949) internal successors, (733), 560 states have internal predecessors, (733), 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) [2024-10-31 22:09:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 733 transitions. [2024-10-31 22:09:26,012 INFO L240 hiAutomatonCegarLoop]: Abstraction has 561 states and 733 transitions. [2024-10-31 22:09:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:09:26,013 INFO L425 stractBuchiCegarLoop]: Abstraction has 561 states and 733 transitions. [2024-10-31 22:09:26,013 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:09:26,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 561 states and 733 transitions. [2024-10-31 22:09:26,018 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 394 [2024-10-31 22:09:26,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:09:26,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:09:26,019 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:26,019 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:26,019 INFO L745 eck$LassoCheckResult]: Stem: 1405#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1395#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1396#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1490#valid_product_returnLabel#1 main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 1485#L812 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1474#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1410#L432-2 [2024-10-31 22:09:26,019 INFO L747 eck$LassoCheckResult]: Loop: 1410#L432-2 assume !false; 1411#L433 assume test_~splverifierCounter~0#1 < 4; 1374#L434 havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1375#L442 assume !(0 != test_~tmp~3#1); 1398#L442-2 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1477#L452 assume !(0 != test_~tmp___0~0#1); 1479#L452-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1687#L462 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1685#L470 assume !(0 != test_~tmp___1~0#1); 1453#L470-2 assume { :begin_inline_timeShift } true; 1670#L507 assume !(0 != ~pumpRunning~0); 1401#L507-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1379#L565 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1380#L539-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1341#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 1342#L539-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1347#L565-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1370#L514-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 1419#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 1471#L836 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1661#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret46#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret46#1;havoc __utac_acc__Specification3_spec__1_#t~ret46#1; 1658#L842 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1455#L842-1 havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1456#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1410#L432-2 [2024-10-31 22:09:26,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:26,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-10-31 22:09:26,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:26,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811210346] [2024-10-31 22:09:26,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:26,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:26,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:26,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:26,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:26,049 INFO L85 PathProgramCache]: Analyzing trace with hash -307274393, now seen corresponding path program 1 times [2024-10-31 22:09:26,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:26,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844953494] [2024-10-31 22:09:26,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:26,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:26,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:26,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:26,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:26,066 INFO L85 PathProgramCache]: Analyzing trace with hash -763271381, now seen corresponding path program 1 times [2024-10-31 22:09:26,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:26,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782178409] [2024-10-31 22:09:26,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:26,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:26,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:26,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:27,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:27,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:09:27 BoogieIcfgContainer [2024-10-31 22:09:27,470 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:09:27,471 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:09:27,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:09:27,471 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:09:27,472 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:24" (3/4) ... [2024-10-31 22:09:27,474 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-31 22:09:27,578 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:09:27,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:09:27,586 INFO L158 Benchmark]: Toolchain (without parser) took 4379.95ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 86.1MB in the beginning and 89.9MB in the end (delta: -3.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-10-31 22:09:27,587 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:09:27,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.79ms. Allocated memory is still 125.8MB. Free memory was 85.6MB in the beginning and 64.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 22:09:27,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.29ms. Allocated memory is still 125.8MB. Free memory was 64.6MB in the beginning and 61.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:09:27,588 INFO L158 Benchmark]: Boogie Preprocessor took 56.64ms. Allocated memory is still 125.8MB. Free memory was 61.4MB in the beginning and 57.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:27,588 INFO L158 Benchmark]: RCFGBuilder took 847.53ms. Allocated memory is still 125.8MB. Free memory was 57.9MB in the beginning and 78.5MB in the end (delta: -20.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:27,589 INFO L158 Benchmark]: BuchiAutomizer took 2705.33ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 78.5MB in the beginning and 93.0MB in the end (delta: -14.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-10-31 22:09:27,589 INFO L158 Benchmark]: Witness Printer took 107.76ms. Allocated memory is still 161.5MB. Free memory was 93.0MB in the beginning and 89.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:27,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.79ms. Allocated memory is still 125.8MB. Free memory was 85.6MB in the beginning and 64.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.29ms. Allocated memory is still 125.8MB. Free memory was 64.6MB in the beginning and 61.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.64ms. Allocated memory is still 125.8MB. Free memory was 61.4MB in the beginning and 57.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 847.53ms. Allocated memory is still 125.8MB. Free memory was 57.9MB in the beginning and 78.5MB in the end (delta: -20.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2705.33ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 78.5MB in the beginning and 93.0MB in the end (delta: -14.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Witness Printer took 107.76ms. Allocated memory is still 161.5MB. Free memory was 93.0MB in the beginning and 89.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] - GenericResultAtLocation [Line: 717]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [717] - GenericResultAtLocation [Line: 726]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [726] - GenericResultAtLocation [Line: 825]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [825] - GenericResultAtLocation [Line: 860]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [860] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [895] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 561 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 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, 362 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 362 mSDsluCounter, 1129 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 730 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 399 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 432]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L499] int pumpRunning = 0; [L500] int systemActive = 1; [L727] int cleanupTimeShifts = 4; [L896] int waterLevel = 1; [L897] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] int retValue_acc ; [L804] int tmp ; [L808] FCALL select_helpers() [L809] FCALL select_features() [L810] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L810] RET, EXPR valid_product() [L810] tmp = valid_product() [L812] COND TRUE \read(tmp) [L814] FCALL setup() [L815] CALL runTest() [L794] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L432] COND TRUE 1 [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp)) [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___2)) [L468] tmp___1 = __VERIFIER_nondet_int() [L470] COND FALSE !(\read(tmp___1)) [L479] CALL timeShift() [L507] COND FALSE !(\read(pumpRunning)) [L514] COND TRUE \read(systemActive) [L516] CALL processEnvironment() [L562] int tmp ; [L565] COND FALSE !(\read(pumpRunning)) [L580] CALL processEnvironment__wrappee__methaneQuery() [L536] int tmp ; [L539] COND FALSE !(\read(pumpRunning)) [L554] FCALL processEnvironment__wrappee__base() [L580] RET processEnvironment__wrappee__methaneQuery() [L516] RET processEnvironment() [L522] CALL __utac_acc__Specification3_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L830] int tmp___1 ; [L834] CALL, EXPR isMethaneLevelCritical() [L935] int retValue_acc ; [L938] retValue_acc = methaneLevelCritical [L939] return (retValue_acc); [L834] RET, EXPR isMethaneLevelCritical() [L834] tmp = isMethaneLevelCritical() [L836] COND FALSE !(\read(tmp)) [L840] CALL, EXPR getWaterLevel() [L967] int retValue_acc ; [L970] retValue_acc = waterLevel [L971] return (retValue_acc); [L840] RET, EXPR getWaterLevel() [L840] tmp___0 = getWaterLevel() [L842] COND FALSE !(tmp___0 == 2) [L522] RET __utac_acc__Specification3_spec__1() [L479] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 432]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L499] int pumpRunning = 0; [L500] int systemActive = 1; [L727] int cleanupTimeShifts = 4; [L896] int waterLevel = 1; [L897] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] int retValue_acc ; [L804] int tmp ; [L808] FCALL select_helpers() [L809] FCALL select_features() [L810] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L810] RET, EXPR valid_product() [L810] tmp = valid_product() [L812] COND TRUE \read(tmp) [L814] FCALL setup() [L815] CALL runTest() [L794] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L432] COND TRUE 1 [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp)) [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___2)) [L468] tmp___1 = __VERIFIER_nondet_int() [L470] COND FALSE !(\read(tmp___1)) [L479] CALL timeShift() [L507] COND FALSE !(\read(pumpRunning)) [L514] COND TRUE \read(systemActive) [L516] CALL processEnvironment() [L562] int tmp ; [L565] COND FALSE !(\read(pumpRunning)) [L580] CALL processEnvironment__wrappee__methaneQuery() [L536] int tmp ; [L539] COND FALSE !(\read(pumpRunning)) [L554] FCALL processEnvironment__wrappee__base() [L580] RET processEnvironment__wrappee__methaneQuery() [L516] RET processEnvironment() [L522] CALL __utac_acc__Specification3_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L830] int tmp___1 ; [L834] CALL, EXPR isMethaneLevelCritical() [L935] int retValue_acc ; [L938] retValue_acc = methaneLevelCritical [L939] return (retValue_acc); [L834] RET, EXPR isMethaneLevelCritical() [L834] tmp = isMethaneLevelCritical() [L836] COND FALSE !(\read(tmp)) [L840] CALL, EXPR getWaterLevel() [L967] int retValue_acc ; [L970] retValue_acc = waterLevel [L971] return (retValue_acc); [L840] RET, EXPR getWaterLevel() [L840] tmp___0 = getWaterLevel() [L842] COND FALSE !(tmp___0 == 2) [L522] RET __utac_acc__Specification3_spec__1() [L479] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-31 22:09:27,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ccb845-9f75-4185-8697-52e54ab08a98/bin/uautomizer-verify-4GaUIPS5ZU/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)