./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme --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 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:49:38,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:49:38,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:49:38,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:49:38,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:49:38,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:49:38,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:49:38,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:49:38,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:49:38,947 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:49:38,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:49:38,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:49:38,949 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:49:38,950 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:49:38,951 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:49:38,951 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:49:38,952 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:49:38,953 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:49:38,953 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:49:38,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:49:38,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:49:38,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:49:38,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:49:38,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:49:38,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:49:38,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:49:38,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:49:38,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:49:38,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:49:38,961 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:49:38,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:49:38,962 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:49:38,962 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:49:38,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:49:38,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:49:38,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:49:38,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:49:38,965 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:49:38,966 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f [2023-11-26 10:49:39,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:49:39,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:49:39,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:49:39,351 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:49:39,352 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:49:39,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2023-11-26 10:49:42,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:49:42,872 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:49:42,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2023-11-26 10:49:42,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/data/f59ccb751/ff24059f4ed14bc0b5971e8372cb4ed1/FLAGa6bbe3071 [2023-11-26 10:49:42,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/data/f59ccb751/ff24059f4ed14bc0b5971e8372cb4ed1 [2023-11-26 10:49:42,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:49:42,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:49:42,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:42,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:49:42,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:49:42,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:42" (1/1) ... [2023-11-26 10:49:42,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e2c8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:42, skipping insertion in model container [2023-11-26 10:49:42,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:42" (1/1) ... [2023-11-26 10:49:42,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:49:43,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:43,414 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:49:43,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-26 10:49:43,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2023-11-26 10:49:43,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [270] [2023-11-26 10:49:43,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [336] [2023-11-26 10:49:43,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [345] [2023-11-26 10:49:43,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [446] [2023-11-26 10:49:43,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [812] [2023-11-26 10:49:43,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [847] [2023-11-26 10:49:43,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:43,511 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:49:43,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43 WrapperNode [2023-11-26 10:49:43,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:43,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:43,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:49:43,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:49:43,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,586 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 42, statements flattened = 268 [2023-11-26 10:49:43,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:43,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:49:43,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:49:43,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:49:43,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,651 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]. [2023-11-26 10:49:43,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:49:43,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:49:43,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:49:43,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:49:43,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (1/1) ... [2023-11-26 10:49:43,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:49:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:43,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:49:43,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:49:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:49:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:49:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:49:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:49:43,878 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:49:43,880 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:49:44,256 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:49:44,269 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:49:44,270 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:49:44,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:44 BoogieIcfgContainer [2023-11-26 10:49:44,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:49:44,273 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:49:44,273 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:49:44,279 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:49:44,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:49:44,280 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:49:42" (1/3) ... [2023-11-26 10:49:44,281 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4873347c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:49:44, skipping insertion in model container [2023-11-26 10:49:44,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:49:44,285 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:43" (2/3) ... [2023-11-26 10:49:44,286 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4873347c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:49:44, skipping insertion in model container [2023-11-26 10:49:44,286 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:49:44,286 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:44" (3/3) ... [2023-11-26 10:49:44,288 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2023-11-26 10:49:44,352 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:49:44,352 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:49:44,353 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:49:44,353 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:49:44,353 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:49:44,353 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:49:44,353 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:49:44,354 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:49:44,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 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) [2023-11-26 10:49:44,385 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2023-11-26 10:49:44,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:49:44,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:49:44,395 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:44,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:44,396 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:49:44,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 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) [2023-11-26 10:49:44,405 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2023-11-26 10:49:44,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:49:44,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:49:44,407 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:44,407 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:44,414 INFO L748 eck$LassoCheckResult]: Stem: 37#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 31#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 26#valid_product_returnLabel#1true main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 2#L433true assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 7#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 63#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 11#L282-2true [2023-11-26 10:49:44,416 INFO L750 eck$LassoCheckResult]: Loop: 11#L282-2true assume !false; 33#L283true assume test_~splverifierCounter~0#1 < 4; 76#L284true havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 25#L292true assume !(0 != test_~tmp~1#1); 52#L292-2true havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 19#L302true assume !(0 != test_~tmp___0~0#1); 56#L302-2true havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 75#L312true assume 0 != test_~tmp___2~0#1; 66#L318-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 58#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 18#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 13#L153true assume !(0 != ~pumpRunning~0); 68#L153-2true assume !(0 != ~systemActive~0); 41#L160-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 79#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 17#L875true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 59#L875-1true havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 80#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 11#L282-2true [2023-11-26 10:49:44,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:44,423 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-26 10:49:44,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:44,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278151519] [2023-11-26 10:49:44,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:44,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:44,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:44,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:44,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:44,671 INFO L85 PathProgramCache]: Analyzing trace with hash -638815666, now seen corresponding path program 1 times [2023-11-26 10:49:44,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:44,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732490642] [2023-11-26 10:49:44,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:44,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:44,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:44,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:44,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:44,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1978168073, now seen corresponding path program 1 times [2023-11-26 10:49:44,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:44,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838842661] [2023-11-26 10:49:44,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:44,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:49:45,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:45,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838842661] [2023-11-26 10:49:45,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838842661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:45,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:45,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:49:45,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081647440] [2023-11-26 10:49:45,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:45,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:45,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:49:45,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:49:45,299 INFO L87 Difference]: Start difference. First operand has 88 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2023-11-26 10:49:45,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:45,364 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2023-11-26 10:49:45,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 101 transitions. [2023-11-26 10:49:45,369 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2023-11-26 10:49:45,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 72 states and 91 transitions. [2023-11-26 10:49:45,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2023-11-26 10:49:45,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2023-11-26 10:49:45,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 91 transitions. [2023-11-26 10:49:45,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:49:45,379 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2023-11-26 10:49:45,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 91 transitions. [2023-11-26 10:49:45,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-26 10:49:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 71 states have internal predecessors, (91), 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) [2023-11-26 10:49:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2023-11-26 10:49:45,410 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2023-11-26 10:49:45,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:49:45,424 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 91 transitions. [2023-11-26 10:49:45,424 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:49:45,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 91 transitions. [2023-11-26 10:49:45,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2023-11-26 10:49:45,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:49:45,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:49:45,433 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:45,433 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] [2023-11-26 10:49:45,434 INFO L748 eck$LassoCheckResult]: Stem: 237#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 238#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 231#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 232#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 228#valid_product_returnLabel#1 main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 190#L433 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 191#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 194#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 201#L282-2 [2023-11-26 10:49:45,434 INFO L750 eck$LassoCheckResult]: Loop: 201#L282-2 assume !false; 202#L283 assume test_~splverifierCounter~0#1 < 4; 234#L284 havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 224#L292 assume !(0 != test_~tmp~1#1); 225#L292-2 havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 214#L302 assume !(0 != test_~tmp___0~0#1); 215#L302-2 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 252#L312 assume 0 != test_~tmp___2~0#1; 256#L318-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 253#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 213#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 203#L153 assume !(0 != ~pumpRunning~0); 205#L153-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 226#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 227#L160-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 242#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 210#L875 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 211#L875-1 havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 254#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 201#L282-2 [2023-11-26 10:49:45,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:45,435 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-26 10:49:45,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:45,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862520628] [2023-11-26 10:49:45,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:45,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:45,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:45,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:45,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:45,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1995575123, now seen corresponding path program 1 times [2023-11-26 10:49:45,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:45,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443872037] [2023-11-26 10:49:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:45,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:45,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:45,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:45,481 INFO L85 PathProgramCache]: Analyzing trace with hash -565826780, now seen corresponding path program 1 times [2023-11-26 10:49:45,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:45,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504910660] [2023-11-26 10:49:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:45,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:45,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:49:45,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:45,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504910660] [2023-11-26 10:49:45,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504910660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:45,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:45,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:49:45,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363289759] [2023-11-26 10:49:45,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:45,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:45,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:49:45,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:49:45,872 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-26 10:49:46,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:46,051 INFO L93 Difference]: Finished difference Result 186 states and 236 transitions. [2023-11-26 10:49:46,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 236 transitions. [2023-11-26 10:49:46,067 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2023-11-26 10:49:46,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 186 states and 236 transitions. [2023-11-26 10:49:46,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 186 [2023-11-26 10:49:46,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2023-11-26 10:49:46,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 186 states and 236 transitions. [2023-11-26 10:49:46,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:49:46,085 INFO L218 hiAutomatonCegarLoop]: Abstraction has 186 states and 236 transitions. [2023-11-26 10:49:46,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states and 236 transitions. [2023-11-26 10:49:46,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 135. [2023-11-26 10:49:46,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 135 states have (on average 1.2518518518518518) internal successors, (169), 134 states have internal predecessors, (169), 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) [2023-11-26 10:49:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2023-11-26 10:49:46,108 INFO L240 hiAutomatonCegarLoop]: Abstraction has 135 states and 169 transitions. [2023-11-26 10:49:46,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:49:46,110 INFO L428 stractBuchiCegarLoop]: Abstraction has 135 states and 169 transitions. [2023-11-26 10:49:46,111 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:49:46,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 169 transitions. [2023-11-26 10:49:46,113 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95 [2023-11-26 10:49:46,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:49:46,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:49:46,116 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:46,116 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] [2023-11-26 10:49:46,116 INFO L748 eck$LassoCheckResult]: Stem: 510#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 511#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 503#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 504#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 498#valid_product_returnLabel#1 main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 460#L433 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 461#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 466#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 471#L282-2 [2023-11-26 10:49:46,117 INFO L750 eck$LassoCheckResult]: Loop: 471#L282-2 assume !false; 472#L283 assume test_~splverifierCounter~0#1 < 4; 505#L284 havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 496#L292 assume !(0 != test_~tmp~1#1); 497#L292-2 havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 485#L302 assume !(0 != test_~tmp___0~0#1); 486#L302-2 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 528#L312 assume 0 != test_~tmp___2~0#1; 535#L318-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 530#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 484#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 475#L153 assume !(0 != ~pumpRunning~0); 477#L153-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 499#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 500#L160-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 515#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 481#L875 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 482#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 493#L879 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 494#L875-1 havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 544#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 471#L282-2 [2023-11-26 10:49:46,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:46,119 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-26 10:49:46,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:46,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897305917] [2023-11-26 10:49:46,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:46,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:46,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:46,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:46,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2081681960, now seen corresponding path program 1 times [2023-11-26 10:49:46,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:46,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841314311] [2023-11-26 10:49:46,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:46,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:46,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:46,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:46,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:46,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1680304863, now seen corresponding path program 1 times [2023-11-26 10:49:46,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:46,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505419682] [2023-11-26 10:49:46,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:46,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:46,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:46,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:47,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:47,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:49:47 BoogieIcfgContainer [2023-11-26 10:49:47,596 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:49:47,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:49:47,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:49:47,597 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:49:47,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:44" (3/4) ... [2023-11-26 10:49:47,599 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 10:49:47,677 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:49:47,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:49:47,678 INFO L158 Benchmark]: Toolchain (without parser) took 4749.28ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 92.3MB in the beginning and 76.5MB in the end (delta: 15.8MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,679 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:47,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.32ms. Allocated memory is still 138.4MB. Free memory was 92.3MB in the beginning and 73.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.63ms. Allocated memory is still 138.4MB. Free memory was 73.4MB in the beginning and 71.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,680 INFO L158 Benchmark]: Boogie Preprocessor took 92.46ms. Allocated memory is still 138.4MB. Free memory was 71.2MB in the beginning and 68.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,683 INFO L158 Benchmark]: RCFGBuilder took 587.83ms. Allocated memory is still 138.4MB. Free memory was 68.6MB in the beginning and 108.1MB in the end (delta: -39.5MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,684 INFO L158 Benchmark]: BuchiAutomizer took 3322.98ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 108.1MB in the beginning and 78.6MB in the end (delta: 29.5MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,684 INFO L158 Benchmark]: Witness Printer took 80.81ms. Allocated memory is still 184.5MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:47,686 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.32ms. Allocated memory is still 138.4MB. Free memory was 92.3MB in the beginning and 73.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.63ms. Allocated memory is still 138.4MB. Free memory was 73.4MB in the beginning and 71.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.46ms. Allocated memory is still 138.4MB. Free memory was 71.2MB in the beginning and 68.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 587.83ms. Allocated memory is still 138.4MB. Free memory was 68.6MB in the beginning and 108.1MB in the end (delta: -39.5MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 3322.98ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 108.1MB in the beginning and 78.6MB in the end (delta: 29.5MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Witness Printer took 80.81ms. Allocated memory is still 184.5MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 270]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [270] - GenericResultAtLocation [Line: 336]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [336] - GenericResultAtLocation [Line: 345]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [345] - GenericResultAtLocation [Line: 446]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [446] - GenericResultAtLocation [Line: 812]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [812] - GenericResultAtLocation [Line: 847]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [847] * 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 6 locations. The remainder module has 135 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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, 51 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, 550 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 550 mSDsluCounter, 491 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 284 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 207 mSDtfsCounter, 85 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: 282]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L346] int cleanupTimeShifts = 4; [L616] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L848] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L414] CALL __utac_acc__Specification5_spec__1() [L853] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L414] RET __utac_acc__Specification5_spec__1() [L415] CALL test() [L273] int splverifierCounter ; [L274] int tmp ; [L275] int tmp___0 ; [L276] int tmp___1 ; [L277] int tmp___2 ; [L280] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L282] COND TRUE 1 [L284] COND TRUE splverifierCounter < 4 [L290] tmp = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp)) [L300] tmp___0 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___0)) [L310] tmp___2 = __VERIFIER_nondet_int() [L312] COND TRUE \read(tmp___2) [L325] CALL timeShift() [L151] CALL __utac_acc__Specification5_spec__2() [L862] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L862] RET, EXPR isPumpRunning() [L862] switchedOnBeforeTS = isPumpRunning() [L151] RET __utac_acc__Specification5_spec__2() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] FCALL processEnvironment() [L168] CALL __utac_acc__Specification5_spec__3() [L868] int tmp ; [L869] int tmp___0 ; [L873] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L873] RET, EXPR getWaterLevel() [L873] tmp = getWaterLevel() [L875] COND TRUE tmp != 2 [L877] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L877] RET, EXPR isPumpRunning() [L877] tmp___0 = isPumpRunning() [L879] COND FALSE !(\read(tmp___0)) [L168] RET __utac_acc__Specification5_spec__3() [L325] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 282]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L346] int cleanupTimeShifts = 4; [L616] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L848] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L414] CALL __utac_acc__Specification5_spec__1() [L853] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L414] RET __utac_acc__Specification5_spec__1() [L415] CALL test() [L273] int splverifierCounter ; [L274] int tmp ; [L275] int tmp___0 ; [L276] int tmp___1 ; [L277] int tmp___2 ; [L280] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L282] COND TRUE 1 [L284] COND TRUE splverifierCounter < 4 [L290] tmp = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp)) [L300] tmp___0 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___0)) [L310] tmp___2 = __VERIFIER_nondet_int() [L312] COND TRUE \read(tmp___2) [L325] CALL timeShift() [L151] CALL __utac_acc__Specification5_spec__2() [L862] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L862] RET, EXPR isPumpRunning() [L862] switchedOnBeforeTS = isPumpRunning() [L151] RET __utac_acc__Specification5_spec__2() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] FCALL processEnvironment() [L168] CALL __utac_acc__Specification5_spec__3() [L868] int tmp ; [L869] int tmp___0 ; [L873] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L873] RET, EXPR getWaterLevel() [L873] tmp = getWaterLevel() [L875] COND TRUE tmp != 2 [L877] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L877] RET, EXPR isPumpRunning() [L877] tmp___0 = isPumpRunning() [L879] COND FALSE !(\read(tmp___0)) [L168] RET __utac_acc__Specification5_spec__3() [L325] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 10:49:47,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7ddc11-0527-4a7c-a563-c0769b45c227/bin/uautomizer-verify-VRDe98Ueme/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)