./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC --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 d15523fb5fa7fb710c0ce810eaa6ccfc4e6cdf50f754e30078d83eba1456e275 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:00:58,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:00:59,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 00:00:59,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:00:59,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:00:59,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:00:59,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:00:59,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:00:59,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:00:59,068 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:00:59,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:00:59,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:00:59,069 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:00:59,069 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:00:59,070 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:00:59,070 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:00:59,070 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:00:59,070 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:00:59,070 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:00:59,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:00:59,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:00:59,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:00:59,071 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:00:59,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:00:59,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:00:59,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:00:59,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:00:59,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:00:59,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:00:59,074 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:00:59,074 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC 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 -> d15523fb5fa7fb710c0ce810eaa6ccfc4e6cdf50f754e30078d83eba1456e275 [2024-11-24 00:00:59,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:00:59,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:00:59,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:00:59,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:00:59,489 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:00:59,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c [2024-11-24 00:01:02,552 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/data/9639fa612/c2c26586a0d24b72bfe269043f5d5027/FLAG423eed979 [2024-11-24 00:01:02,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:01:02,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c [2024-11-24 00:01:02,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/data/9639fa612/c2c26586a0d24b72bfe269043f5d5027/FLAG423eed979 [2024-11-24 00:01:03,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/data/9639fa612/c2c26586a0d24b72bfe269043f5d5027 [2024-11-24 00:01:03,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:01:03,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:01:03,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:01:03,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:01:03,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:01:03,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666ef18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03, skipping insertion in model container [2024-11-24 00:01:03,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:01:03,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:01:03,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:01:03,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-24 00:01:03,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-24 00:01:03,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [294] [2024-11-24 00:01:03,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [303] [2024-11-24 00:01:03,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [341] [2024-11-24 00:01:03,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [439] [2024-11-24 00:01:03,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] [2024-11-24 00:01:03,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] [2024-11-24 00:01:03,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:01:03,669 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:01:03,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03 WrapperNode [2024-11-24 00:01:03,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:01:03,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:01:03,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:01:03,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:01:03,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,739 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 51, calls inlined = 58, statements flattened = 368 [2024-11-24 00:01:03,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:01:03,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:01:03,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:01:03,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:01:03,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,799 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]. [2024-11-24 00:01:03,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,814 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:01:03,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:01:03,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:01:03,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:01:03,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:01:03,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:03,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:01:03,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:01:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:01:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:01:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:01:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:01:04,063 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:01:04,066 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:01:04,595 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-24 00:01:04,595 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:01:04,613 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:01:04,613 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:01:04,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:01:04 BoogieIcfgContainer [2024-11-24 00:01:04,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:01:04,616 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:01:04,616 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:01:04,624 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:01:04,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:01:04,625 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:01:03" (1/3) ... [2024-11-24 00:01:04,626 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@742ef8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:01:04, skipping insertion in model container [2024-11-24 00:01:04,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:01:04,627 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03" (2/3) ... [2024-11-24 00:01:04,628 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@742ef8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:01:04, skipping insertion in model container [2024-11-24 00:01:04,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:01:04,629 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:01:04" (3/3) ... [2024-11-24 00:01:04,630 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product18.cil.c [2024-11-24 00:01:04,688 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:01:04,689 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:01:04,689 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:01:04,689 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:01:04,689 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:01:04,689 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:01:04,689 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:01:04,690 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:01:04,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 113 states have internal predecessors, (153), 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) [2024-11-24 00:01:04,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-24 00:01:04,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:01:04,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:01:04,731 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:04,731 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:04,732 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:01:04,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 113 states have internal predecessors, (153), 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) [2024-11-24 00:01:04,742 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-24 00:01:04,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:01:04,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:01:04,743 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:04,743 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:04,750 INFO L747 eck$LassoCheckResult]: Stem: "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;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret20#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret20#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret20#1;havoc main_#t~ret20#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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;" [2024-11-24 00:01:04,751 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#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;" "__utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:01:04,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:04,757 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-24 00:01:04,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:01:04,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630500938] [2024-11-24 00:01:04,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:04,884 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:01:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:04,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:01:04,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:04,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1404915592, now seen corresponding path program 1 times [2024-11-24 00:01:04,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:01:04,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020700093] [2024-11-24 00:01:04,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:04,958 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:01:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:04,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:01:04,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:04,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1550699297, now seen corresponding path program 1 times [2024-11-24 00:01:04,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:01:04,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819916798] [2024-11-24 00:01:04,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:04,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:05,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:01:05,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819916798] [2024-11-24 00:01:05,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819916798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:05,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435900260] [2024-11-24 00:01:05,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:05,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:05,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:05,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:01:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:05,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:01:05,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:05,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:01:05,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435900260] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:01:05,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:01:05,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 00:01:05,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942809141] [2024-11-24 00:01:05,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:01:05,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:01:05,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:01:05,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:01:05,811 INFO L87 Difference]: Start difference. First operand has 114 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 113 states have internal predecessors, (153), 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 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-11-24 00:01:05,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:05,915 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2024-11-24 00:01:05,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 136 transitions. [2024-11-24 00:01:05,920 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-24 00:01:05,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 98 states and 126 transitions. [2024-11-24 00:01:05,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2024-11-24 00:01:05,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2024-11-24 00:01:05,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 126 transitions. [2024-11-24 00:01:05,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:01:05,934 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-11-24 00:01:05,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 126 transitions. [2024-11-24 00:01:05,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-24 00:01:05,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 97 states have internal predecessors, (126), 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) [2024-11-24 00:01:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 126 transitions. [2024-11-24 00:01:05,964 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-11-24 00:01:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:01:05,970 INFO L425 stractBuchiCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-11-24 00:01:05,970 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:01:05,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 126 transitions. [2024-11-24 00:01:05,972 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-24 00:01:05,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:01:05,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:01:05,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:05,973 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] [2024-11-24 00:01:05,973 INFO L747 eck$LassoCheckResult]: Stem: "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;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret20#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret20#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret20#1;havoc main_#t~ret20#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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;" [2024-11-24 00:01:05,974 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#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;" "__utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:01:05,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:05,975 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-24 00:01:05,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:01:05,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874229386] [2024-11-24 00:01:05,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:05,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:05,994 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:01:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:06,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:01:06,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:06,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2105937158, now seen corresponding path program 1 times [2024-11-24 00:01:06,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:01:06,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460709575] [2024-11-24 00:01:06,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:06,025 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:01:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:06,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:01:06,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:06,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1704560061, now seen corresponding path program 1 times [2024-11-24 00:01:06,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:01:06,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679637007] [2024-11-24 00:01:06,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:06,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:06,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:01:06,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679637007] [2024-11-24 00:01:06,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679637007] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:06,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42748520] [2024-11-24 00:01:06,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:06,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:06,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:06,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:06,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:01:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:06,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:01:06,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:06,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:01:06,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42748520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:01:06,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:01:06,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 00:01:06,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386088363] [2024-11-24 00:01:06,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:01:06,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:01:06,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:01:06,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:01:06,847 INFO L87 Difference]: Start difference. First operand 98 states and 126 transitions. cyclomatic complexity: 30 Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2024-11-24 00:01:07,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:07,075 INFO L93 Difference]: Finished difference Result 187 states and 239 transitions. [2024-11-24 00:01:07,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 239 transitions. [2024-11-24 00:01:07,078 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2024-11-24 00:01:07,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 187 states and 239 transitions. [2024-11-24 00:01:07,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 187 [2024-11-24 00:01:07,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 187 [2024-11-24 00:01:07,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 187 states and 239 transitions. [2024-11-24 00:01:07,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:01:07,081 INFO L218 hiAutomatonCegarLoop]: Abstraction has 187 states and 239 transitions. [2024-11-24 00:01:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states and 239 transitions. [2024-11-24 00:01:07,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-24 00:01:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 187 states have (on average 1.2780748663101604) internal successors, (239), 186 states have internal predecessors, (239), 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) [2024-11-24 00:01:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 239 transitions. [2024-11-24 00:01:07,091 INFO L240 hiAutomatonCegarLoop]: Abstraction has 187 states and 239 transitions. [2024-11-24 00:01:07,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:01:07,092 INFO L425 stractBuchiCegarLoop]: Abstraction has 187 states and 239 transitions. [2024-11-24 00:01:07,093 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 00:01:07,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 239 transitions. [2024-11-24 00:01:07,095 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2024-11-24 00:01:07,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:01:07,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:01:07,095 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:07,096 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] [2024-11-24 00:01:07,096 INFO L747 eck$LassoCheckResult]: Stem: "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;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret20#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret20#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret20#1;havoc main_#t~ret20#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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;" [2024-11-24 00:01:07,096 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#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;" "__utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret23#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:01:07,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:07,097 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-24 00:01:07,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:01:07,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120472864] [2024-11-24 00:01:07,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:07,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:07,105 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:01:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:07,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:01:07,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:07,113 INFO L85 PathProgramCache]: Analyzing trace with hash -579392192, now seen corresponding path program 1 times [2024-11-24 00:01:07,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:01:07,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115415939] [2024-11-24 00:01:07,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:07,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:07,119 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:01:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:07,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:01:07,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:07,126 INFO L85 PathProgramCache]: Analyzing trace with hash 244274231, now seen corresponding path program 1 times [2024-11-24 00:01:07,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:01:07,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889691443] [2024-11-24 00:01:07,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:07,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:07,148 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:01:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:07,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:01:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:08,440 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:01:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:01:08,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:01:08 BoogieIcfgContainer [2024-11-24 00:01:08,521 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:01:08,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:01:08,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:01:08,522 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:01:08,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:01:04" (3/4) ... [2024-11-24 00:01:08,528 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 00:01:08,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:01:08,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:01:08,588 INFO L158 Benchmark]: Toolchain (without parser) took 5465.27ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 51.2MB in the end (delta: 40.5MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-24 00:01:08,588 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:01:08,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.04ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 73.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:01:08,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.12ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 70.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:01:08,590 INFO L158 Benchmark]: Boogie Preprocessor took 96.61ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:01:08,591 INFO L158 Benchmark]: RCFGBuilder took 771.56ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 49.2MB in the end (delta: 19.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:01:08,591 INFO L158 Benchmark]: BuchiAutomizer took 3905.23ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 54.2MB in the end (delta: -4.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-24 00:01:08,591 INFO L158 Benchmark]: Witness Printer took 65.29ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 51.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:01:08,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.04ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 73.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.12ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 70.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.61ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 771.56ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 49.2MB in the end (delta: 19.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3905.23ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 54.2MB in the end (delta: -4.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 65.29ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 51.2MB in the end (delta: 2.9MB). There was no memory consumed. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 294]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [294] - GenericResultAtLocation [Line: 303]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [303] - GenericResultAtLocation [Line: 341]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [341] - GenericResultAtLocation [Line: 439]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [439] - GenericResultAtLocation [Line: 489]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] * 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 8 locations. The remainder module has 187 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 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, 227 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 227 mSDsluCounter, 1016 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 776 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 240 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 67]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L342] int cleanupTimeShifts = 4; [L441] int switchedOnBeforeTS ; [L659] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L856] int waterLevel = 1; [L857] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L417] int retValue_acc ; [L418] int tmp ; [L422] FCALL select_helpers() [L423] FCALL select_features() [L424] CALL, EXPR valid_product() [L333] int retValue_acc ; [L336] retValue_acc = 1 [L337] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] RET, EXPR valid_product() [L424] tmp = valid_product() [L426] COND TRUE \read(tmp) [L428] FCALL setup() [L429] CALL runTest() [L410] CALL __utac_acc__Specification5_spec__1() [L446] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L410] RET __utac_acc__Specification5_spec__1() [L411] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND TRUE \read(tmp___1) [L110] CALL timeShift() [L140] CALL __utac_acc__Specification5_spec__2() [L455] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L455] RET, EXPR isPumpRunning() [L455] switchedOnBeforeTS = isPumpRunning() [L140] RET __utac_acc__Specification5_spec__2() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification5_spec__3() [L461] int tmp ; [L462] int tmp___0 ; [L466] CALL, EXPR getWaterLevel() [L927] int retValue_acc ; [L930] retValue_acc = waterLevel [L931] return (retValue_acc); [L466] RET, EXPR getWaterLevel() [L466] tmp = getWaterLevel() [L468] COND TRUE tmp != 2 [L470] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L470] RET, EXPR isPumpRunning() [L470] tmp___0 = isPumpRunning() [L472] COND FALSE !(\read(tmp___0)) [L157] RET __utac_acc__Specification5_spec__3() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 67]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L342] int cleanupTimeShifts = 4; [L441] int switchedOnBeforeTS ; [L659] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L856] int waterLevel = 1; [L857] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L417] int retValue_acc ; [L418] int tmp ; [L422] FCALL select_helpers() [L423] FCALL select_features() [L424] CALL, EXPR valid_product() [L333] int retValue_acc ; [L336] retValue_acc = 1 [L337] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] RET, EXPR valid_product() [L424] tmp = valid_product() [L426] COND TRUE \read(tmp) [L428] FCALL setup() [L429] CALL runTest() [L410] CALL __utac_acc__Specification5_spec__1() [L446] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L410] RET __utac_acc__Specification5_spec__1() [L411] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND TRUE \read(tmp___1) [L110] CALL timeShift() [L140] CALL __utac_acc__Specification5_spec__2() [L455] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L455] RET, EXPR isPumpRunning() [L455] switchedOnBeforeTS = isPumpRunning() [L140] RET __utac_acc__Specification5_spec__2() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification5_spec__3() [L461] int tmp ; [L462] int tmp___0 ; [L466] CALL, EXPR getWaterLevel() [L927] int retValue_acc ; [L930] retValue_acc = waterLevel [L931] return (retValue_acc); [L466] RET, EXPR getWaterLevel() [L466] tmp = getWaterLevel() [L468] COND TRUE tmp != 2 [L470] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L470] RET, EXPR isPumpRunning() [L470] tmp___0 = isPumpRunning() [L472] COND FALSE !(\read(tmp___0)) [L157] RET __utac_acc__Specification5_spec__3() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:01:08,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:01:08,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:01:09,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd9b9d-76df-4a9a-97db-e144317b13dc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)