./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/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_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/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_dfa0f125-c978-4824-a390-dabe87e37966/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 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:40:55,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:40:55,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 22:40:55,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:40:55,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:40:55,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:40:55,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:40:55,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:40:55,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:40:55,462 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:40:55,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:40:55,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:40:55,462 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:40:55,462 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 22:40:55,463 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 22:40:55,463 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 22:40:55,463 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 22:40:55,463 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 22:40:55,463 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 22:40:55,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:40:55,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 22:40:55,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:40:55,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:40:55,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:40:55,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:40:55,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 22:40:55,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 22:40:55,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 22:40:55,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:40:55,466 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:40:55,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:40:55,466 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 22:40:55,466 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:40:55,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:40:55,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:40:55,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:40:55,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:40:55,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 22:40:55,467 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 22:40:55,467 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_dfa0f125-c978-4824-a390-dabe87e37966/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 -> 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb [2024-11-23 22:40:55,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:40:55,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:40:55,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:40:55,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:40:55,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:40:55,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2024-11-23 22:40:56,349 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/data/0e56480b4/e6372128174c4ee18507089d98495091/FLAG273f50a20 [2024-11-23 22:41:01,206 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:41:01,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2024-11-23 22:41:01,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/data/0e56480b4/e6372128174c4ee18507089d98495091/FLAG273f50a20 [2024-11-23 22:41:01,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/data/0e56480b4/e6372128174c4ee18507089d98495091 [2024-11-23 22:41:01,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:41:01,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:41:01,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:41:01,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:41:01,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:41:01,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23bc6c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01, skipping insertion in model container [2024-11-23 22:41:01,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:41:01,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:41:01,703 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:41:01,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-23 22:41:01,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [160] [2024-11-23 22:41:01,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] [2024-11-23 22:41:01,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [197] [2024-11-23 22:41:01,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [267] [2024-11-23 22:41:01,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [500] [2024-11-23 22:41:01,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [866] [2024-11-23 22:41:01,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [904] [2024-11-23 22:41:01,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:41:01,822 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:41:01,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01 WrapperNode [2024-11-23 22:41:01,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:41:01,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:41:01,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:41:01,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:41:01,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,874 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 100, statements flattened = 680 [2024-11-23 22:41:01,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:41:01,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:41:01,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:41:01,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:41:01,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,913 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]. [2024-11-23 22:41:01,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:41:01,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:41:01,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:41:01,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:41:01,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (1/1) ... [2024-11-23 22:41:01,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:41:01,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:41:01,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:41:01,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 22:41:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:41:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:41:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:41:02,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:41:02,111 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:41:02,113 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:41:02,681 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-23 22:41:02,681 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:41:02,698 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:41:02,698 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 22:41:02,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:41:02 BoogieIcfgContainer [2024-11-23 22:41:02,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:41:02,700 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 22:41:02,700 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 22:41:02,728 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 22:41:02,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 22:41:02,730 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 10:41:01" (1/3) ... [2024-11-23 22:41:02,731 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a8d0a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:41:02, skipping insertion in model container [2024-11-23 22:41:02,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 22:41:02,731 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:01" (2/3) ... [2024-11-23 22:41:02,731 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a8d0a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:41:02, skipping insertion in model container [2024-11-23 22:41:02,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 22:41:02,731 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:41:02" (3/3) ... [2024-11-23 22:41:02,734 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2024-11-23 22:41:02,800 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 22:41:02,801 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 22:41:02,801 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 22:41:02,801 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 22:41:02,801 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 22:41:02,801 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 22:41:02,801 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 22:41:02,802 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 22:41:02,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 190 states have internal predecessors, (258), 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) [2024-11-23 22:41:02,847 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-23 22:41:02,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 22:41:02,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 22:41:02,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:41:02,855 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:41:02,855 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 22:41:02,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 190 states have internal predecessors, (258), 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) [2024-11-23 22:41:02,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-23 22:41:02,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 22:41:02,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 22:41:02,869 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:41:02,870 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:41:02,879 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#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~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1;" "main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 22:41:02,880 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 22:41:02,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:02,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-23 22:41:02,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:41:02,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415665775] [2024-11-23 22:41:02,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:02,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:02,988 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:41:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:03,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:41:03,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:03,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1823401064, now seen corresponding path program 1 times [2024-11-23 22:41:03,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:41:03,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92385471] [2024-11-23 22:41:03,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:03,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:03,048 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:41:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:03,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:41:03,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:03,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1779677868, now seen corresponding path program 1 times [2024-11-23 22:41:03,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:41:03,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276888066] [2024-11-23 22:41:03,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:03,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:03,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 22:41:03,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276888066] [2024-11-23 22:41:03,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276888066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:41:03,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054513344] [2024-11-23 22:41:03,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:03,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:41:03,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:41:03,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:41:03,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:41:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:03,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:41:03,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:41:03,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:41:03,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054513344] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:41:03,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:41:03,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-23 22:41:03,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475293799] [2024-11-23 22:41:03,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:41:03,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 22:41:03,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:41:03,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:41:03,652 INFO L87 Difference]: Start difference. First operand has 191 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 190 states have internal predecessors, (258), 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 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-11-23 22:41:03,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:03,848 INFO L93 Difference]: Finished difference Result 425 states and 557 transitions. [2024-11-23 22:41:03,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 425 states and 557 transitions. [2024-11-23 22:41:03,860 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 273 [2024-11-23 22:41:03,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 425 states to 395 states and 527 transitions. [2024-11-23 22:41:03,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 395 [2024-11-23 22:41:03,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 395 [2024-11-23 22:41:03,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 395 states and 527 transitions. [2024-11-23 22:41:03,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 22:41:03,886 INFO L218 hiAutomatonCegarLoop]: Abstraction has 395 states and 527 transitions. [2024-11-23 22:41:03,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states and 527 transitions. [2024-11-23 22:41:03,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 225. [2024-11-23 22:41:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.3333333333333333) internal successors, (300), 224 states have internal predecessors, (300), 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) [2024-11-23 22:41:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 300 transitions. [2024-11-23 22:41:03,948 INFO L240 hiAutomatonCegarLoop]: Abstraction has 225 states and 300 transitions. [2024-11-23 22:41:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:41:03,954 INFO L425 stractBuchiCegarLoop]: Abstraction has 225 states and 300 transitions. [2024-11-23 22:41:03,955 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 22:41:03,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 300 transitions. [2024-11-23 22:41:03,957 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 156 [2024-11-23 22:41:03,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 22:41:03,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 22:41:03,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:41:03,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:41:03,958 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#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~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1;" "main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 22:41:03,958 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 22:41:03,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:03,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-23 22:41:03,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:41:03,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776480505] [2024-11-23 22:41:03,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:03,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:03,970 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:41:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:03,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:41:03,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:03,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2144227368, now seen corresponding path program 1 times [2024-11-23 22:41:03,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:41:03,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057055508] [2024-11-23 22:41:03,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:03,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:04,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 22:41:04,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057055508] [2024-11-23 22:41:04,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057055508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:41:04,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964318197] [2024-11-23 22:41:04,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:04,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:41:04,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:41:04,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:41:04,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:41:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:04,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:41:04,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:41:04,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:41:04,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964318197] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:41:04,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:41:04,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-23 22:41:04,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549063070] [2024-11-23 22:41:04,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:41:04,108 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-23 22:41:04,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 22:41:04,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:41:04,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:41:04,109 INFO L87 Difference]: Start difference. First operand 225 states and 300 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-23 22:41:04,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:04,212 INFO L93 Difference]: Finished difference Result 279 states and 355 transitions. [2024-11-23 22:41:04,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 355 transitions. [2024-11-23 22:41:04,215 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2024-11-23 22:41:04,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 279 states and 355 transitions. [2024-11-23 22:41:04,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 279 [2024-11-23 22:41:04,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 279 [2024-11-23 22:41:04,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 279 states and 355 transitions. [2024-11-23 22:41:04,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 22:41:04,222 INFO L218 hiAutomatonCegarLoop]: Abstraction has 279 states and 355 transitions. [2024-11-23 22:41:04,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states and 355 transitions. [2024-11-23 22:41:04,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2024-11-23 22:41:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 279 states have (on average 1.2724014336917562) internal successors, (355), 278 states have internal predecessors, (355), 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) [2024-11-23 22:41:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 355 transitions. [2024-11-23 22:41:04,246 INFO L240 hiAutomatonCegarLoop]: Abstraction has 279 states and 355 transitions. [2024-11-23 22:41:04,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:41:04,249 INFO L425 stractBuchiCegarLoop]: Abstraction has 279 states and 355 transitions. [2024-11-23 22:41:04,249 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 22:41:04,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 355 transitions. [2024-11-23 22:41:04,254 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2024-11-23 22:41:04,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 22:41:04,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 22:41:04,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:41:04,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:41:04,256 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#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~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1;" "main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 22:41:04,257 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret15#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret15#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 22:41:04,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:04,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-23 22:41:04,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:41:04,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099073737] [2024-11-23 22:41:04,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:04,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:04,275 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:41:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:04,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:41:04,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:04,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1495856320, now seen corresponding path program 1 times [2024-11-23 22:41:04,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:41:04,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651141164] [2024-11-23 22:41:04,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:04,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:04,316 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:41:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:04,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:41:04,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:04,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1622297596, now seen corresponding path program 1 times [2024-11-23 22:41:04,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:41:04,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104490632] [2024-11-23 22:41:04,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:04,365 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:41:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:04,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:41:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:05,594 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:41:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:41:05,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 10:41:05 BoogieIcfgContainer [2024-11-23 22:41:05,661 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 22:41:05,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:41:05,662 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:41:05,662 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:41:05,663 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:41:02" (3/4) ... [2024-11-23 22:41:05,665 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 22:41:05,725 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:41:05,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:41:05,729 INFO L158 Benchmark]: Toolchain (without parser) took 4467.94ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.9MB in the beginning and 171.9MB in the end (delta: -79.1MB). Peak memory consumption was 152.4MB. Max. memory is 16.1GB. [2024-11-23 22:41:05,729 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:41:05,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.12ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 73.9MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:41:05,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.05ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 70.7MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:41:05,730 INFO L158 Benchmark]: Boogie Preprocessor took 63.60ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 67.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:41:05,730 INFO L158 Benchmark]: RCFGBuilder took 759.82ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 38.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:41:05,731 INFO L158 Benchmark]: BuchiAutomizer took 2961.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 38.9MB in the beginning and 174.9MB in the end (delta: -135.9MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2024-11-23 22:41:05,731 INFO L158 Benchmark]: Witness Printer took 64.02ms. Allocated memory is still 352.3MB. Free memory was 174.9MB in the beginning and 171.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:41:05,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.12ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 73.9MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.05ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 70.7MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.60ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 67.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 759.82ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 38.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2961.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 38.9MB in the beginning and 174.9MB in the end (delta: -135.9MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. * Witness Printer took 64.02ms. Allocated memory is still 352.3MB. Free memory was 174.9MB in the beginning and 171.9MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [160] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [197] - GenericResultAtLocation [Line: 267]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [267] - GenericResultAtLocation [Line: 500]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [500] - GenericResultAtLocation [Line: 866]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [866] - GenericResultAtLocation [Line: 904]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [904] * 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 7 locations. The remainder module has 279 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 170 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, 624 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 624 mSDsluCounter, 1737 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1271 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 466 mSDtfsCounter, 81 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: 213]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L271] int pumpRunning = 0; [L272] int systemActive = 1; [L670] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L905] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L978] int retValue_acc ; [L979] int tmp ; [L983] FCALL select_helpers() [L984] FCALL select_features() [L985] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L985] RET, EXPR valid_product() [L985] tmp = valid_product() [L987] COND TRUE \read(tmp) [L989] FCALL setup() [L990] CALL runTest() [L972] CALL test() [L202] int splverifierCounter ; [L203] int tmp ; [L204] int tmp___0 ; [L205] int tmp___1 ; [L206] int tmp___2 ; [L209] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L213] COND TRUE splverifierCounter < 4 [L219] tmp = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp)) [L229] tmp___0 = __VERIFIER_nondet_int() [L231] COND FALSE !(\read(tmp___0)) [L239] tmp___2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp___2) [L256] CALL timeShift() [L278] COND FALSE !(\read(pumpRunning)) [L285] COND TRUE \read(systemActive) [L287] CALL processEnvironment() [L333] int tmp ; [L336] COND FALSE !(\read(pumpRunning)) [L351] CALL processEnvironment__wrappee__highWaterSensor() [L307] int tmp ; [L310] COND TRUE ! pumpRunning [L312] CALL, EXPR isHighWaterLevel() [L448] int retValue_acc ; [L449] int tmp ; [L450] int tmp___0 ; [L454] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L454] RET, EXPR isHighWaterSensorDry() [L454] tmp = isHighWaterSensorDry() [L456] COND TRUE \read(tmp) [L457] tmp___0 = 0 [L461] retValue_acc = tmp___0 [L462] return (retValue_acc); [L312] RET, EXPR isHighWaterLevel() [L312] tmp = isHighWaterLevel() [L314] COND FALSE !(\read(tmp)) [L320] FCALL processEnvironment__wrappee__base() [L351] RET processEnvironment__wrappee__highWaterSensor() [L287] RET processEnvironment() [L293] CALL __utac_acc__Specification1_spec__1() [L164] int tmp ; [L165] int tmp___0 ; [L169] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L169] RET, EXPR isMethaneLevelCritical() [L169] tmp = isMethaneLevelCritical() [L171] COND FALSE !(\read(tmp)) [L293] RET __utac_acc__Specification1_spec__1() [L256] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 213]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L271] int pumpRunning = 0; [L272] int systemActive = 1; [L670] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L905] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L978] int retValue_acc ; [L979] int tmp ; [L983] FCALL select_helpers() [L984] FCALL select_features() [L985] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L985] RET, EXPR valid_product() [L985] tmp = valid_product() [L987] COND TRUE \read(tmp) [L989] FCALL setup() [L990] CALL runTest() [L972] CALL test() [L202] int splverifierCounter ; [L203] int tmp ; [L204] int tmp___0 ; [L205] int tmp___1 ; [L206] int tmp___2 ; [L209] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L213] COND TRUE splverifierCounter < 4 [L219] tmp = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp)) [L229] tmp___0 = __VERIFIER_nondet_int() [L231] COND FALSE !(\read(tmp___0)) [L239] tmp___2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp___2) [L256] CALL timeShift() [L278] COND FALSE !(\read(pumpRunning)) [L285] COND TRUE \read(systemActive) [L287] CALL processEnvironment() [L333] int tmp ; [L336] COND FALSE !(\read(pumpRunning)) [L351] CALL processEnvironment__wrappee__highWaterSensor() [L307] int tmp ; [L310] COND TRUE ! pumpRunning [L312] CALL, EXPR isHighWaterLevel() [L448] int retValue_acc ; [L449] int tmp ; [L450] int tmp___0 ; [L454] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L454] RET, EXPR isHighWaterSensorDry() [L454] tmp = isHighWaterSensorDry() [L456] COND TRUE \read(tmp) [L457] tmp___0 = 0 [L461] retValue_acc = tmp___0 [L462] return (retValue_acc); [L312] RET, EXPR isHighWaterLevel() [L312] tmp = isHighWaterLevel() [L314] COND FALSE !(\read(tmp)) [L320] FCALL processEnvironment__wrappee__base() [L351] RET processEnvironment__wrappee__highWaterSensor() [L287] RET processEnvironment() [L293] CALL __utac_acc__Specification1_spec__1() [L164] int tmp ; [L165] int tmp___0 ; [L169] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L169] RET, EXPR isMethaneLevelCritical() [L169] tmp = isMethaneLevelCritical() [L171] COND FALSE !(\read(tmp)) [L293] RET __utac_acc__Specification1_spec__1() [L256] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 22:41:05,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 22:41:05,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:41:06,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa0f125-c978-4824-a390-dabe87e37966/bin/uautomizer-verify-LYvppIcaGC/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)