./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/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_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/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_2a068bc2-7651-478c-95d9-39b5ce6001e1/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 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:14:15,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:14:15,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 19:14:15,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:14:15,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:14:15,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:14:15,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:14:15,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:14:15,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:14:15,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:14:15,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:14:15,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:14:15,271 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:14:15,272 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 19:14:15,275 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 19:14:15,276 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 19:14:15,277 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 19:14:15,277 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 19:14:15,278 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 19:14:15,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:14:15,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 19:14:15,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:14:15,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:14:15,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:14:15,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:14:15,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 19:14:15,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 19:14:15,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 19:14:15,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:14:15,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:14:15,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:14:15,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:14:15,286 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 19:14:15,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:14:15,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:14:15,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:14:15,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:14:15,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:14:15,291 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 19:14:15,291 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_2a068bc2-7651-478c-95d9-39b5ce6001e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 [2024-11-08 19:14:15,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:14:15,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:14:15,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:14:15,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:14:15,684 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:14:15,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c Unable to find full path for "g++" [2024-11-08 19:14:18,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:14:18,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:14:18,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2024-11-08 19:14:18,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/data/2ab3c8455/6d703cc5b5b24a4a838e4f28b95c4d95/FLAGf6f031b0e [2024-11-08 19:14:18,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/data/2ab3c8455/6d703cc5b5b24a4a838e4f28b95c4d95 [2024-11-08 19:14:18,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:14:18,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:14:18,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:18,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:14:18,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:14:18,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:18" (1/1) ... [2024-11-08 19:14:18,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702201b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:18, skipping insertion in model container [2024-11-08 19:14:18,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:18" (1/1) ... [2024-11-08 19:14:18,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:14:19,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:19,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:14:19,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-08 19:14:19,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-08 19:14:19,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [198] [2024-11-08 19:14:19,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [299] [2024-11-08 19:14:19,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [340] [2024-11-08 19:14:19,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [557] [2024-11-08 19:14:19,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [622] [2024-11-08 19:14:19,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [988] [2024-11-08 19:14:19,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:19,667 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:14:19,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19 WrapperNode [2024-11-08 19:14:19,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:19,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:19,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:14:19,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:14:19,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,777 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 99, statements flattened = 689 [2024-11-08 19:14:19,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:19,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:14:19,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:14:19,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:14:19,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,842 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 19:14:19,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:14:19,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:14:19,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:14:19,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:14:19,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (1/1) ... [2024-11-08 19:14:19,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:14:19,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:19,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:14:19,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 19:14:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:14:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:14:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:14:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:14:20,173 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:14:20,176 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:14:21,093 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-08 19:14:21,094 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:14:21,121 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:14:21,122 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:14:21,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:21 BoogieIcfgContainer [2024-11-08 19:14:21,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:14:21,124 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 19:14:21,125 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 19:14:21,130 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 19:14:21,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:14:21,132 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 07:14:18" (1/3) ... [2024-11-08 19:14:21,133 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71c83bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:14:21, skipping insertion in model container [2024-11-08 19:14:21,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:14:21,134 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:19" (2/3) ... [2024-11-08 19:14:21,135 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71c83bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:14:21, skipping insertion in model container [2024-11-08 19:14:21,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:14:21,135 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:21" (3/3) ... [2024-11-08 19:14:21,140 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2024-11-08 19:14:21,234 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 19:14:21,234 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 19:14:21,234 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 19:14:21,235 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 19:14:21,235 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 19:14:21,235 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 19:14:21,235 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 19:14:21,235 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 19:14:21,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3645833333333333) internal successors, (262), 192 states have internal predecessors, (262), 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 19:14:21,276 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-08 19:14:21,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:21,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:21,286 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:21,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:21,286 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 19:14:21,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3645833333333333) internal successors, (262), 192 states have internal predecessors, (262), 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 19:14:21,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-08 19:14:21,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:21,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:21,299 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:21,300 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:21,307 INFO L745 eck$LassoCheckResult]: Stem: 113#$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;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 123#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 18#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 173#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 72#valid_product_returnLabel#1true main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 65#L286true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 54#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 78#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L568-2true [2024-11-08 19:14:21,308 INFO L747 eck$LassoCheckResult]: Loop: 22#L568-2true assume !false; 115#L569true assume test_~splverifierCounter~0#1 < 4; 27#L570true havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 129#L578true assume !(0 != test_~tmp~7#1); 91#L578-2true havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 71#L588true assume !(0 != test_~tmp___0~3#1); 175#L588-2true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 179#L598true assume 0 != test_~tmp___2~0#1; 145#L604-2true assume { :begin_inline_timeShift } true; 79#L350true assume !(0 != ~pumpRunning~0); 176#L350-2true assume !(0 != ~systemActive~0); 76#L357-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 55#isMethaneLevelCritical_returnLabel#3true __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 194#L319true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 80#L319-1true havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 142#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 22#L568-2true [2024-11-08 19:14:21,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:21,316 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-08 19:14:21,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:21,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257196272] [2024-11-08 19:14:21,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:21,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:21,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:21,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:21,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:21,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1078916588, now seen corresponding path program 1 times [2024-11-08 19:14:21,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:21,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866102139] [2024-11-08 19:14:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:21,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:21,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:21,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:21,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:21,603 INFO L85 PathProgramCache]: Analyzing trace with hash 916629205, now seen corresponding path program 1 times [2024-11-08 19:14:21,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:21,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940749648] [2024-11-08 19:14:21,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:21,897 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 19:14:21,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:21,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940749648] [2024-11-08 19:14:21,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940749648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:21,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:21,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:21,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765027955] [2024-11-08 19:14:21,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:22,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:22,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:22,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:22,127 INFO L87 Difference]: Start difference. First operand has 193 states, 192 states have (on average 1.3645833333333333) internal successors, (262), 192 states have internal predecessors, (262), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 19:14:22,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:22,307 INFO L93 Difference]: Finished difference Result 187 states and 245 transitions. [2024-11-08 19:14:22,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 245 transitions. [2024-11-08 19:14:22,322 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2024-11-08 19:14:22,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 177 states and 235 transitions. [2024-11-08 19:14:22,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2024-11-08 19:14:22,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2024-11-08 19:14:22,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 235 transitions. [2024-11-08 19:14:22,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:14:22,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 177 states and 235 transitions. [2024-11-08 19:14:22,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 235 transitions. [2024-11-08 19:14:22,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-08 19:14:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 177 states have (on average 1.3276836158192091) internal successors, (235), 176 states have internal predecessors, (235), 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 19:14:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 235 transitions. [2024-11-08 19:14:22,424 INFO L240 hiAutomatonCegarLoop]: Abstraction has 177 states and 235 transitions. [2024-11-08 19:14:22,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:14:22,441 INFO L425 stractBuchiCegarLoop]: Abstraction has 177 states and 235 transitions. [2024-11-08 19:14:22,445 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 19:14:22,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 235 transitions. [2024-11-08 19:14:22,448 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2024-11-08 19:14:22,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:22,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:22,454 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:22,454 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 19:14:22,454 INFO L745 eck$LassoCheckResult]: Stem: 460#$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;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 461#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 451#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 452#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 561#valid_product_returnLabel#1 main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 552#L286 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 535#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 536#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 462#L568-2 [2024-11-08 19:14:22,455 INFO L747 eck$LassoCheckResult]: Loop: 462#L568-2 assume !false; 463#L569 assume test_~splverifierCounter~0#1 < 4; 464#L570 havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 483#L578 assume !(0 != test_~tmp~7#1); 485#L578-2 havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 559#L588 assume !(0 != test_~tmp___0~3#1); 560#L588-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 568#L598 assume 0 != test_~tmp___2~0#1; 507#L604-2 assume { :begin_inline_timeShift } true; 528#L350 assume !(0 != ~pumpRunning~0); 494#L350-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 566#L408 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 430#L382-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 398#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 399#L382-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 453#L408-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 557#L357-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 539#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 540#L319 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 409#L319-1 havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 524#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 462#L568-2 [2024-11-08 19:14:22,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:22,460 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-08 19:14:22,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:22,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128292032] [2024-11-08 19:14:22,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:22,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:22,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:22,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:22,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:22,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1096933144, now seen corresponding path program 1 times [2024-11-08 19:14:22,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:22,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487796599] [2024-11-08 19:14:22,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:22,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:22,592 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 19:14:22,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:22,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487796599] [2024-11-08 19:14:22,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487796599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:22,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:22,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:22,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349653835] [2024-11-08 19:14:22,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:22,597 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 19:14:22,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:22,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:22,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:22,598 INFO L87 Difference]: Start difference. First operand 177 states and 235 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 19:14:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:22,769 INFO L93 Difference]: Finished difference Result 241 states and 309 transitions. [2024-11-08 19:14:22,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 309 transitions. [2024-11-08 19:14:22,775 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2024-11-08 19:14:22,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 309 transitions. [2024-11-08 19:14:22,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2024-11-08 19:14:22,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2024-11-08 19:14:22,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 309 transitions. [2024-11-08 19:14:22,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:14:22,786 INFO L218 hiAutomatonCegarLoop]: Abstraction has 241 states and 309 transitions. [2024-11-08 19:14:22,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 309 transitions. [2024-11-08 19:14:22,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-08 19:14:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 241 states have (on average 1.2821576763485478) internal successors, (309), 240 states have internal predecessors, (309), 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 19:14:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 309 transitions. [2024-11-08 19:14:22,800 INFO L240 hiAutomatonCegarLoop]: Abstraction has 241 states and 309 transitions. [2024-11-08 19:14:22,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:22,802 INFO L425 stractBuchiCegarLoop]: Abstraction has 241 states and 309 transitions. [2024-11-08 19:14:22,802 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 19:14:22,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 309 transitions. [2024-11-08 19:14:22,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2024-11-08 19:14:22,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:22,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:22,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:22,807 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:22,807 INFO L745 eck$LassoCheckResult]: Stem: 881#$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;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 882#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 874#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 875#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 994#valid_product_returnLabel#1 main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 984#L286 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 966#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 967#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 886#L568-2 [2024-11-08 19:14:22,808 INFO L747 eck$LassoCheckResult]: Loop: 886#L568-2 assume !false; 887#L569 assume test_~splverifierCounter~0#1 < 4; 888#L570 havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 908#L578 assume !(0 != test_~tmp~7#1); 910#L578-2 havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 992#L588 assume !(0 != test_~tmp___0~3#1); 993#L588-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1004#L598 assume 0 != test_~tmp___2~0#1; 930#L604-2 assume { :begin_inline_timeShift } true; 957#L350 assume !(0 != ~pumpRunning~0); 1001#L350-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1002#L408 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 852#L382-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1; 853#L179-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; 906#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret25#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret25#1;havoc isHighWaterLevel_#t~ret25#1; 907#L528-3 assume !(0 != isHighWaterLevel_~tmp~5#1);isHighWaterLevel_~tmp___0~1#1 := 1; 986#L528-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1005#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 883#L386-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 885#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 893#L382-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1000#L408-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1029#L357-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 1028#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 1016#L319 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 831#L319-1 havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 953#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 886#L568-2 [2024-11-08 19:14:22,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:22,809 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-08 19:14:22,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:22,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546711787] [2024-11-08 19:14:22,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:22,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:22,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:22,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:22,865 INFO L85 PathProgramCache]: Analyzing trace with hash -706692498, now seen corresponding path program 1 times [2024-11-08 19:14:22,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:22,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981008368] [2024-11-08 19:14:22,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:22,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:22,979 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 19:14:22,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:22,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981008368] [2024-11-08 19:14:22,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981008368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:22,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:22,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:14:22,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624673495] [2024-11-08 19:14:22,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:22,982 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 19:14:22,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:22,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:14:22,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:14:22,985 INFO L87 Difference]: Start difference. First operand 241 states and 309 transitions. cyclomatic complexity: 70 Second operand has 4 states, 4 states have (on average 6.75) 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) [2024-11-08 19:14:23,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:23,136 INFO L93 Difference]: Finished difference Result 253 states and 321 transitions. [2024-11-08 19:14:23,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 253 states and 321 transitions. [2024-11-08 19:14:23,140 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2024-11-08 19:14:23,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 253 states to 253 states and 321 transitions. [2024-11-08 19:14:23,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 253 [2024-11-08 19:14:23,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 253 [2024-11-08 19:14:23,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 253 states and 321 transitions. [2024-11-08 19:14:23,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:14:23,149 INFO L218 hiAutomatonCegarLoop]: Abstraction has 253 states and 321 transitions. [2024-11-08 19:14:23,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states and 321 transitions. [2024-11-08 19:14:23,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2024-11-08 19:14:23,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 253 states have (on average 1.2687747035573123) internal successors, (321), 252 states have internal predecessors, (321), 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 19:14:23,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 321 transitions. [2024-11-08 19:14:23,163 INFO L240 hiAutomatonCegarLoop]: Abstraction has 253 states and 321 transitions. [2024-11-08 19:14:23,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:14:23,165 INFO L425 stractBuchiCegarLoop]: Abstraction has 253 states and 321 transitions. [2024-11-08 19:14:23,165 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 19:14:23,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 253 states and 321 transitions. [2024-11-08 19:14:23,168 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2024-11-08 19:14:23,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:23,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:23,169 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:23,174 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:23,174 INFO L745 eck$LassoCheckResult]: Stem: 1384#$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;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1385#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1377#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1378#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1500#valid_product_returnLabel#1 main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 1488#L286 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1469#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1470#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1508#L568-2 [2024-11-08 19:14:23,174 INFO L747 eck$LassoCheckResult]: Loop: 1508#L568-2 assume !false; 1530#L569 assume test_~splverifierCounter~0#1 < 4; 1531#L570 havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1574#L578 assume !(0 != test_~tmp~7#1); 1571#L578-2 havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1569#L588 assume !(0 != test_~tmp___0~3#1); 1567#L588-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1515#L598 assume 0 != test_~tmp___2~0#1; 1434#L604-2 assume { :begin_inline_timeShift } true; 1460#L350 assume !(0 != ~pumpRunning~0); 1509#L350-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1510#L408 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1354#L382-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1; 1355#L179-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; 1410#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret25#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret25#1;havoc isHighWaterLevel_#t~ret25#1; 1411#L528-3 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1492#L528-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1513#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 1386#L386-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1388#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1396#L382-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1507#L408-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1563#L357-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 1562#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 1560#L319 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 1557#L319-1 havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1556#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1508#L568-2 [2024-11-08 19:14:23,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:23,175 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-08 19:14:23,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:23,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999027718] [2024-11-08 19:14:23,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:23,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:23,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:23,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:23,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:23,220 INFO L85 PathProgramCache]: Analyzing trace with hash -964857936, now seen corresponding path program 1 times [2024-11-08 19:14:23,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:23,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764754213] [2024-11-08 19:14:23,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:23,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:23,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:23,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:23,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:23,266 INFO L85 PathProgramCache]: Analyzing trace with hash -794082521, now seen corresponding path program 1 times [2024-11-08 19:14:23,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:23,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788401153] [2024-11-08 19:14:23,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:23,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:23,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:23,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:24,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:24,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 07:14:24 BoogieIcfgContainer [2024-11-08 19:14:24,951 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 19:14:24,952 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:14:24,952 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:14:24,953 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:14:24,953 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:21" (3/4) ... [2024-11-08 19:14:24,956 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 19:14:25,044 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:14:25,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:14:25,045 INFO L158 Benchmark]: Toolchain (without parser) took 6128.13ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 109.0MB in the beginning and 91.3MB in the end (delta: 17.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2024-11-08 19:14:25,045 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 151.0MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:14:25,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.66ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 86.7MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 19:14:25,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.56ms. Allocated memory is still 151.0MB. Free memory was 86.7MB in the beginning and 83.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:14:25,051 INFO L158 Benchmark]: Boogie Preprocessor took 95.78ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 79.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:14:25,051 INFO L158 Benchmark]: RCFGBuilder took 1243.43ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 79.3MB in the beginning and 144.0MB in the end (delta: -64.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-08 19:14:25,052 INFO L158 Benchmark]: BuchiAutomizer took 3827.04ms. Allocated memory is still 201.3MB. Free memory was 144.0MB in the beginning and 94.4MB in the end (delta: 49.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-08 19:14:25,052 INFO L158 Benchmark]: Witness Printer took 91.87ms. Allocated memory is still 201.3MB. Free memory was 94.4MB in the beginning and 91.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:14:25,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 151.0MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.66ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 86.7MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.56ms. Allocated memory is still 151.0MB. Free memory was 86.7MB in the beginning and 83.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.78ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 79.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1243.43ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 79.3MB in the beginning and 144.0MB in the end (delta: -64.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3827.04ms. Allocated memory is still 201.3MB. Free memory was 144.0MB in the beginning and 94.4MB in the end (delta: 49.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Witness Printer took 91.87ms. Allocated memory is still 201.3MB. Free memory was 94.4MB in the beginning and 91.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 198]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [198] - GenericResultAtLocation [Line: 299]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [299] - GenericResultAtLocation [Line: 340]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [340] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [557] - GenericResultAtLocation [Line: 622]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [622] - GenericResultAtLocation [Line: 988]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [988] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 253 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 641 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 641 mSDsluCounter, 1657 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 980 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 677 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 568]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L199] int cleanupTimeShifts = 4; [L302] int methAndRunningLastTime ; [L343] int pumpRunning = 0; [L344] int systemActive = 1; [L792] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] int retValue_acc ; [L278] int tmp ; [L282] FCALL select_helpers() [L283] FCALL select_features() [L284] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L284] RET, EXPR valid_product() [L284] tmp = valid_product() [L286] COND TRUE \read(tmp) [L288] FCALL setup() [L289] CALL runTest() [L270] CALL __utac_acc__Specification2_spec__1() [L307] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L270] RET __utac_acc__Specification2_spec__1() [L271] CALL test() [L559] int splverifierCounter ; [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L563] int tmp___2 ; [L566] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L568] COND TRUE 1 [L570] COND TRUE splverifierCounter < 4 [L576] tmp = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp)) [L586] tmp___0 = __VERIFIER_nondet_int() [L588] COND FALSE !(\read(tmp___0)) [L596] tmp___2 = __VERIFIER_nondet_int() [L598] COND TRUE \read(tmp___2) [L611] CALL timeShift() [L350] COND FALSE !(\read(pumpRunning)) [L357] COND TRUE \read(systemActive) [L359] CALL processEnvironment() [L405] int tmp ; [L408] COND FALSE !(\read(pumpRunning)) [L423] CALL processEnvironment__wrappee__highWaterSensor() [L379] int tmp ; [L382] COND TRUE ! pumpRunning [L384] CALL, EXPR isHighWaterLevel() [L520] int retValue_acc ; [L521] int tmp ; [L522] int tmp___0 ; [L526] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L526] RET, EXPR isHighWaterSensorDry() [L526] tmp = isHighWaterSensorDry() [L528] COND TRUE \read(tmp) [L529] tmp___0 = 0 [L533] retValue_acc = tmp___0 [L534] return (retValue_acc); [L384] RET, EXPR isHighWaterLevel() [L384] tmp = isHighWaterLevel() [L386] COND FALSE !(\read(tmp)) [L392] FCALL processEnvironment__wrappee__base() [L423] RET processEnvironment__wrappee__highWaterSensor() [L359] RET processEnvironment() [L365] CALL __utac_acc__Specification2_spec__2() [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L317] RET, EXPR isMethaneLevelCritical() [L317] tmp = isMethaneLevelCritical() [L319] COND FALSE !(\read(tmp)) [L335] methAndRunningLastTime = 0 [L365] RET __utac_acc__Specification2_spec__2() [L611] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 568]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L199] int cleanupTimeShifts = 4; [L302] int methAndRunningLastTime ; [L343] int pumpRunning = 0; [L344] int systemActive = 1; [L792] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] int retValue_acc ; [L278] int tmp ; [L282] FCALL select_helpers() [L283] FCALL select_features() [L284] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L284] RET, EXPR valid_product() [L284] tmp = valid_product() [L286] COND TRUE \read(tmp) [L288] FCALL setup() [L289] CALL runTest() [L270] CALL __utac_acc__Specification2_spec__1() [L307] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L270] RET __utac_acc__Specification2_spec__1() [L271] CALL test() [L559] int splverifierCounter ; [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L563] int tmp___2 ; [L566] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L568] COND TRUE 1 [L570] COND TRUE splverifierCounter < 4 [L576] tmp = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp)) [L586] tmp___0 = __VERIFIER_nondet_int() [L588] COND FALSE !(\read(tmp___0)) [L596] tmp___2 = __VERIFIER_nondet_int() [L598] COND TRUE \read(tmp___2) [L611] CALL timeShift() [L350] COND FALSE !(\read(pumpRunning)) [L357] COND TRUE \read(systemActive) [L359] CALL processEnvironment() [L405] int tmp ; [L408] COND FALSE !(\read(pumpRunning)) [L423] CALL processEnvironment__wrappee__highWaterSensor() [L379] int tmp ; [L382] COND TRUE ! pumpRunning [L384] CALL, EXPR isHighWaterLevel() [L520] int retValue_acc ; [L521] int tmp ; [L522] int tmp___0 ; [L526] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L526] RET, EXPR isHighWaterSensorDry() [L526] tmp = isHighWaterSensorDry() [L528] COND TRUE \read(tmp) [L529] tmp___0 = 0 [L533] retValue_acc = tmp___0 [L534] return (retValue_acc); [L384] RET, EXPR isHighWaterLevel() [L384] tmp = isHighWaterLevel() [L386] COND FALSE !(\read(tmp)) [L392] FCALL processEnvironment__wrappee__base() [L423] RET processEnvironment__wrappee__highWaterSensor() [L359] RET processEnvironment() [L365] CALL __utac_acc__Specification2_spec__2() [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L317] RET, EXPR isMethaneLevelCritical() [L317] tmp = isMethaneLevelCritical() [L319] COND FALSE !(\read(tmp)) [L335] methAndRunningLastTime = 0 [L365] RET __utac_acc__Specification2_spec__2() [L611] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:14:25,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a068bc2-7651-478c-95d9-39b5ce6001e1/bin/uautomizer-verify-jihMAELWvX/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)