./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 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_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX --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 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:33:54,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:33:54,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 17:33:54,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:33:54,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:33:54,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:33:54,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:33:54,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:33:54,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:33:54,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:33:54,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:33:54,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:33:54,588 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:33:54,588 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 17:33:54,589 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 17:33:54,589 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 17:33:54,589 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 17:33:54,590 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 17:33:54,590 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 17:33:54,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:33:54,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 17:33:54,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:33:54,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:33:54,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:33:54,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:33:54,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 17:33:54,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 17:33:54,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 17:33:54,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:33:54,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:33:54,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:33:54,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:33:54,596 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 17:33:54,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:33:54,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:33:54,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:33:54,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:33:54,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:33:54,598 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 17:33:54,598 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_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 [2024-11-08 17:33:54,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:33:54,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:33:54,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:33:54,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:33:54,941 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:33:54,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c Unable to find full path for "g++" [2024-11-08 17:33:57,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:33:57,388 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:33:57,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c [2024-11-08 17:33:57,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/data/8c952474f/487e42d677f3451fada2bcf5faf4f1f4/FLAGa18960be6 [2024-11-08 17:33:57,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/data/8c952474f/487e42d677f3451fada2bcf5faf4f1f4 [2024-11-08 17:33:57,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:33:57,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:33:57,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:33:57,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:33:57,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:33:57,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:57,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22884cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57, skipping insertion in model container [2024-11-08 17:33:57,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:57,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:33:57,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:33:57,866 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:33:57,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-08 17:33:57,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] [2024-11-08 17:33:57,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] [2024-11-08 17:33:57,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2024-11-08 17:33:57,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [565] [2024-11-08 17:33:57,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] [2024-11-08 17:33:57,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] [2024-11-08 17:33:57,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [866] [2024-11-08 17:33:57,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:33:57,983 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:33:57,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57 WrapperNode [2024-11-08 17:33:57,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:33:57,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:33:57,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:33:57,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:33:57,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,048 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 57, statements flattened = 365 [2024-11-08 17:33:58,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:33:58,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:33:58,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:33:58,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:33:58,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,064 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,081 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]. [2024-11-08 17:33:58,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:33:58,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:33:58,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:33:58,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:33:58,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (1/1) ... [2024-11-08 17:33:58,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:33:58,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:33:58,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:33:58,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 17:33:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:33:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:33:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:33:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:33:58,316 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:33:58,320 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:33:58,777 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-08 17:33:58,777 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:33:58,801 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:33:58,801 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:33:58,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:33:58 BoogieIcfgContainer [2024-11-08 17:33:58,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:33:58,803 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 17:33:58,803 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 17:33:58,808 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 17:33:58,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:33:58,809 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 05:33:57" (1/3) ... [2024-11-08 17:33:58,810 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c191e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:33:58, skipping insertion in model container [2024-11-08 17:33:58,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:33:58,810 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:33:57" (2/3) ... [2024-11-08 17:33:58,811 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c191e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:33:58, skipping insertion in model container [2024-11-08 17:33:58,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:33:58,811 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:33:58" (3/3) ... [2024-11-08 17:33:58,813 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2024-11-08 17:33:58,877 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 17:33:58,877 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 17:33:58,877 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 17:33:58,877 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 17:33:58,877 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 17:33:58,878 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 17:33:58,878 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 17:33:58,878 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 17:33:58,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 114 states have internal predecessors, (154), 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) [2024-11-08 17:33:58,907 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-08 17:33:58,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:33:58,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:33:58,914 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:33:58,915 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:33:58,915 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 17:33:58,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 114 states have internal predecessors, (154), 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) [2024-11-08 17:33:58,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-08 17:33:58,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:33:58,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:33:58,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:33:58,924 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:33:58,930 INFO L745 eck$LassoCheckResult]: Stem: 21#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 17#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 100#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 83#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 94#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 70#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; 105#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 48#L877-2true [2024-11-08 17:33:58,931 INFO L747 eck$LassoCheckResult]: Loop: 48#L877-2true assume !false; 40#L878true assume test_~splverifierCounter~0#1 < 4; 82#L879true havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 108#L887true assume !(0 != test_~tmp~7#1); 23#L887-2true havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 10#L897true assume !(0 != test_~tmp___0~2#1); 87#L897-2true havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 53#L907true assume 0 != test_~tmp___2~0#1; 44#L913-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 101#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1; 77#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 61#L722true assume !(0 != ~pumpRunning~0); 114#L722-2true assume !(0 != ~systemActive~0); 38#L729-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 62#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 115#L595true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 22#L595-1true havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 63#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 48#L877-2true [2024-11-08 17:33:58,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:33:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-08 17:33:58,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:33:58,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868498096] [2024-11-08 17:33:58,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:33:58,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:33:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:33:59,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:33:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:33:59,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:33:59,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:33:59,136 INFO L85 PathProgramCache]: Analyzing trace with hash 676750350, now seen corresponding path program 1 times [2024-11-08 17:33:59,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:33:59,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123126117] [2024-11-08 17:33:59,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:33:59,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:33:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:33:59,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:33:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:33:59,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:33:59,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:33:59,163 INFO L85 PathProgramCache]: Analyzing trace with hash -662602057, now seen corresponding path program 1 times [2024-11-08 17:33:59,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:33:59,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920362395] [2024-11-08 17:33:59,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:33:59,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:33:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:33:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:33:59,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:33:59,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920362395] [2024-11-08 17:33:59,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920362395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:33:59,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:33:59,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:33:59,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739205541] [2024-11-08 17:33:59,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:33:59,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:33:59,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:33:59,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:33:59,678 INFO L87 Difference]: Start difference. First operand has 115 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 114 states have internal predecessors, (154), 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) [2024-11-08 17:33:59,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:33:59,810 INFO L93 Difference]: Finished difference Result 109 states and 137 transitions. [2024-11-08 17:33:59,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 137 transitions. [2024-11-08 17:33:59,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-08 17:33:59,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 99 states and 127 transitions. [2024-11-08 17:33:59,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2024-11-08 17:33:59,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2024-11-08 17:33:59,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 127 transitions. [2024-11-08 17:33:59,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:33:59,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 99 states and 127 transitions. [2024-11-08 17:33:59,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 127 transitions. [2024-11-08 17:33:59,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-08 17:33:59,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 98 states have internal predecessors, (127), 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) [2024-11-08 17:33:59,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2024-11-08 17:33:59,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 99 states and 127 transitions. [2024-11-08 17:33:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:33:59,877 INFO L425 stractBuchiCegarLoop]: Abstraction has 99 states and 127 transitions. [2024-11-08 17:33:59,877 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 17:33:59,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 127 transitions. [2024-11-08 17:33:59,879 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-08 17:33:59,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:33:59,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:33:59,880 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:33:59,880 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:33:59,881 INFO L745 eck$LassoCheckResult]: Stem: 272#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 273#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 268#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 269#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 334#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 335#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 324#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; 325#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 304#L877-2 [2024-11-08 17:33:59,881 INFO L747 eck$LassoCheckResult]: Loop: 304#L877-2 assume !false; 294#L878 assume test_~splverifierCounter~0#1 < 4; 295#L879 havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 333#L887 assume !(0 != test_~tmp~7#1); 271#L887-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 253#L897 assume !(0 != test_~tmp___0~2#1); 243#L897-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 310#L907 assume 0 != test_~tmp___2~0#1; 298#L913-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 299#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1; 329#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 319#L722 assume !(0 != ~pumpRunning~0); 313#L722-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 246#L754 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 248#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 256#L754-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 262#L729-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 292#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 320#L595 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 274#L595-1 havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 275#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 304#L877-2 [2024-11-08 17:33:59,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:33:59,882 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-08 17:33:59,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:33:59,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170300622] [2024-11-08 17:33:59,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:33:59,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:33:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:33:59,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:33:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:33:59,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:33:59,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:33:59,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1190674158, now seen corresponding path program 1 times [2024-11-08 17:33:59,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:33:59,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309033095] [2024-11-08 17:33:59,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:33:59,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:33:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:33:59,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:33:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:33:59,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:33:59,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:33:59,928 INFO L85 PathProgramCache]: Analyzing trace with hash 789297061, now seen corresponding path program 1 times [2024-11-08 17:33:59,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:33:59,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623405003] [2024-11-08 17:33:59,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:33:59,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:33:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:00,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:00,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:00,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623405003] [2024-11-08 17:34:00,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623405003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:00,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:00,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:34:00,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392611779] [2024-11-08 17:34:00,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:00,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:00,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:34:00,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:34:00,206 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:00,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:34:00,371 INFO L93 Difference]: Finished difference Result 190 states and 243 transitions. [2024-11-08 17:34:00,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 243 transitions. [2024-11-08 17:34:00,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 132 [2024-11-08 17:34:00,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 190 states and 243 transitions. [2024-11-08 17:34:00,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 190 [2024-11-08 17:34:00,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2024-11-08 17:34:00,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190 states and 243 transitions. [2024-11-08 17:34:00,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:34:00,380 INFO L218 hiAutomatonCegarLoop]: Abstraction has 190 states and 243 transitions. [2024-11-08 17:34:00,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states and 243 transitions. [2024-11-08 17:34:00,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2024-11-08 17:34:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 187 states have (on average 1.267379679144385) internal successors, (237), 186 states have internal predecessors, (237), 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) [2024-11-08 17:34:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2024-11-08 17:34:00,401 INFO L240 hiAutomatonCegarLoop]: Abstraction has 187 states and 237 transitions. [2024-11-08 17:34:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:34:00,403 INFO L425 stractBuchiCegarLoop]: Abstraction has 187 states and 237 transitions. [2024-11-08 17:34:00,403 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 17:34:00,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 237 transitions. [2024-11-08 17:34:00,405 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2024-11-08 17:34:00,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:34:00,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:34:00,408 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:00,408 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:00,408 INFO L745 eck$LassoCheckResult]: Stem: 575#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 576#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 571#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 572#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 649#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 650#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 634#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; 635#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 658#L877-2 [2024-11-08 17:34:00,409 INFO L747 eck$LassoCheckResult]: Loop: 658#L877-2 assume !false; 685#L878 assume test_~splverifierCounter~0#1 < 4; 647#L879 havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 648#L887 assume !(0 != test_~tmp~7#1); 702#L887-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 700#L897 assume !(0 != test_~tmp___0~2#1); 698#L897-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 696#L907 assume 0 != test_~tmp___2~0#1; 695#L913-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 694#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1; 693#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 629#L722 assume !(0 != ~pumpRunning~0); 624#L722-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 549#L754 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 551#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 559#L754-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 684#L729-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 682#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 665#L595 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 666#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret31#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret31#1;havoc __utac_acc__Specification5_spec__3_#t~ret31#1; 731#L599 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 729#L595-1 havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 728#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 658#L877-2 [2024-11-08 17:34:00,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:00,409 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-08 17:34:00,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:00,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047709403] [2024-11-08 17:34:00,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:00,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:34:00,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:34:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:34:00,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:34:00,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:00,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1755559849, now seen corresponding path program 1 times [2024-11-08 17:34:00,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:00,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839065635] [2024-11-08 17:34:00,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:00,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:34:00,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:34:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:34:00,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:34:00,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:00,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1715741024, now seen corresponding path program 1 times [2024-11-08 17:34:00,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:00,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475644178] [2024-11-08 17:34:00,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:00,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:34:00,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:34:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:34:00,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:34:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:34:01,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:34:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:34:01,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 05:34:01 BoogieIcfgContainer [2024-11-08 17:34:01,818 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 17:34:01,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:34:01,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:34:01,819 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:34:01,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:33:58" (3/4) ... [2024-11-08 17:34:01,824 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 17:34:01,922 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:34:01,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:34:01,923 INFO L158 Benchmark]: Toolchain (without parser) took 4481.00ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 132.5MB in the beginning and 127.3MB in the end (delta: 5.2MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-11-08 17:34:01,924 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 169.9MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:34:01,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.89ms. Allocated memory is still 169.9MB. Free memory was 132.1MB in the beginning and 111.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 17:34:01,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.09ms. Allocated memory is still 169.9MB. Free memory was 111.1MB in the beginning and 108.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:34:01,925 INFO L158 Benchmark]: Boogie Preprocessor took 67.06ms. Allocated memory is still 169.9MB. Free memory was 108.6MB in the beginning and 105.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:34:01,927 INFO L158 Benchmark]: RCFGBuilder took 684.70ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 84.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 17:34:01,928 INFO L158 Benchmark]: BuchiAutomizer took 3014.63ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 84.7MB in the beginning and 130.4MB in the end (delta: -45.7MB). Peak memory consumption was 352.7kB. Max. memory is 16.1GB. [2024-11-08 17:34:01,928 INFO L158 Benchmark]: Witness Printer took 104.25ms. Allocated memory is still 213.9MB. Free memory was 130.4MB in the beginning and 127.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:34:01,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 169.9MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.89ms. Allocated memory is still 169.9MB. Free memory was 132.1MB in the beginning and 111.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.09ms. Allocated memory is still 169.9MB. Free memory was 111.1MB in the beginning and 108.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.06ms. Allocated memory is still 169.9MB. Free memory was 108.6MB in the beginning and 105.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 684.70ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 84.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 3014.63ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 84.7MB in the beginning and 130.4MB in the end (delta: -45.7MB). Peak memory consumption was 352.7kB. Max. memory is 16.1GB. * Witness Printer took 104.25ms. Allocated memory is still 213.9MB. Free memory was 130.4MB in the beginning and 127.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [565] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] - GenericResultAtLocation [Line: 866]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [866] * 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 187 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. 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 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 351 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 351 mSDsluCounter, 830 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 584 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 246 mSDtfsCounter, 97 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: 877]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int switchedOnBeforeTS ; [L621] int waterLevel = 1; [L622] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L573] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L868] int splverifierCounter ; [L869] int tmp ; [L870] int tmp___0 ; [L871] int tmp___1 ; [L872] int tmp___2 ; [L875] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L877] COND TRUE 1 [L879] COND TRUE splverifierCounter < 4 [L885] tmp = __VERIFIER_nondet_int() [L887] COND FALSE !(\read(tmp)) [L895] tmp___0 = __VERIFIER_nondet_int() [L897] COND FALSE !(\read(tmp___0)) [L905] tmp___2 = __VERIFIER_nondet_int() [L907] COND TRUE \read(tmp___2) [L920] CALL timeShift() [L720] CALL __utac_acc__Specification5_spec__2() [L582] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L582] RET, EXPR isPumpRunning() [L582] switchedOnBeforeTS = isPumpRunning() [L720] RET __utac_acc__Specification5_spec__2() [L722] COND FALSE !(\read(pumpRunning)) [L729] COND TRUE \read(systemActive) [L731] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment() [L737] CALL __utac_acc__Specification5_spec__3() [L588] int tmp ; [L589] int tmp___0 ; [L593] CALL, EXPR getWaterLevel() [L692] int retValue_acc ; [L695] retValue_acc = waterLevel [L696] return (retValue_acc); [L593] RET, EXPR getWaterLevel() [L593] tmp = getWaterLevel() [L595] COND TRUE tmp != 2 [L597] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L597] RET, EXPR isPumpRunning() [L597] tmp___0 = isPumpRunning() [L599] COND FALSE !(\read(tmp___0)) [L737] RET __utac_acc__Specification5_spec__3() [L920] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 877]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int switchedOnBeforeTS ; [L621] int waterLevel = 1; [L622] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L573] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L868] int splverifierCounter ; [L869] int tmp ; [L870] int tmp___0 ; [L871] int tmp___1 ; [L872] int tmp___2 ; [L875] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L877] COND TRUE 1 [L879] COND TRUE splverifierCounter < 4 [L885] tmp = __VERIFIER_nondet_int() [L887] COND FALSE !(\read(tmp)) [L895] tmp___0 = __VERIFIER_nondet_int() [L897] COND FALSE !(\read(tmp___0)) [L905] tmp___2 = __VERIFIER_nondet_int() [L907] COND TRUE \read(tmp___2) [L920] CALL timeShift() [L720] CALL __utac_acc__Specification5_spec__2() [L582] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L582] RET, EXPR isPumpRunning() [L582] switchedOnBeforeTS = isPumpRunning() [L720] RET __utac_acc__Specification5_spec__2() [L722] COND FALSE !(\read(pumpRunning)) [L729] COND TRUE \read(systemActive) [L731] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment() [L737] CALL __utac_acc__Specification5_spec__3() [L588] int tmp ; [L589] int tmp___0 ; [L593] CALL, EXPR getWaterLevel() [L692] int retValue_acc ; [L695] retValue_acc = waterLevel [L696] return (retValue_acc); [L593] RET, EXPR getWaterLevel() [L593] tmp = getWaterLevel() [L595] COND TRUE tmp != 2 [L597] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L597] RET, EXPR isPumpRunning() [L597] tmp___0 = isPumpRunning() [L599] COND FALSE !(\read(tmp___0)) [L737] RET __utac_acc__Specification5_spec__3() [L920] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 17:34:01,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c897435b-04d1-44db-b8b8-33d1561b612b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)