./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya --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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:42:36,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:42:36,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 05:42:36,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:42:36,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:42:36,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:42:36,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:42:36,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:42:36,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:42:36,548 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:42:36,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:42:36,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:42:36,549 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:42:36,550 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 05:42:36,550 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 05:42:36,551 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 05:42:36,551 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 05:42:36,552 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 05:42:36,552 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 05:42:36,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:42:36,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 05:42:36,556 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:42:36,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:42:36,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:42:36,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:42:36,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 05:42:36,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 05:42:36,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 05:42:36,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:42:36,560 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:42:36,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:42:36,561 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 05:42:36,561 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:42:36,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:42:36,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:42:36,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:42:36,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:42:36,562 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 05:42:36,563 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_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2023-11-29 05:42:36,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:42:36,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:42:36,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:42:36,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:42:36,807 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:42:36,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2023-11-29 05:42:39,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:42:39,803 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:42:39,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2023-11-29 05:42:39,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/data/8bcabd4da/93b1fc1eed5541dbb325cdfec45787f5/FLAGad3df7e9d [2023-11-29 05:42:39,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/data/8bcabd4da/93b1fc1eed5541dbb325cdfec45787f5 [2023-11-29 05:42:39,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:42:39,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:42:39,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:42:39,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:42:39,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:42:39,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:42:39" (1/1) ... [2023-11-29 05:42:39,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752e9896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:39, skipping insertion in model container [2023-11-29 05:42:39,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:42:39" (1/1) ... [2023-11-29 05:42:39,885 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:42:40,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:42:40,133 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:42:40,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-29 05:42:40,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2023-11-29 05:42:40,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2023-11-29 05:42:40,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [287] [2023-11-29 05:42:40,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [653] [2023-11-29 05:42:40,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [725] [2023-11-29 05:42:40,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [823] [2023-11-29 05:42:40,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [873] [2023-11-29 05:42:40,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:42:40,230 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:42:40,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40 WrapperNode [2023-11-29 05:42:40,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:42:40,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:42:40,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:42:40,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:42:40,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,288 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 60, statements flattened = 389 [2023-11-29 05:42:40,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:42:40,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:42:40,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:42:40,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:42:40,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,323 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:42:40,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:42:40,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:42:40,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:42:40,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:42:40,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (1/1) ... [2023-11-29 05:42:40,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:42:40,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:42:40,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:42:40,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 05:42:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:42:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:42:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:42:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:42:40,521 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:42:40,524 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:42:40,808 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:42:40,819 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:42:40,820 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:42:40,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:42:40 BoogieIcfgContainer [2023-11-29 05:42:40,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:42:40,822 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 05:42:40,822 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 05:42:40,825 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 05:42:40,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:42:40,826 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 05:42:39" (1/3) ... [2023-11-29 05:42:40,827 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c3d2ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:42:40, skipping insertion in model container [2023-11-29 05:42:40,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:42:40,827 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:40" (2/3) ... [2023-11-29 05:42:40,828 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c3d2ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:42:40, skipping insertion in model container [2023-11-29 05:42:40,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:42:40,828 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:42:40" (3/3) ... [2023-11-29 05:42:40,829 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2023-11-29 05:42:40,878 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 05:42:40,878 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 05:42:40,878 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 05:42:40,878 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 05:42:40,878 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 05:42:40,878 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 05:42:40,878 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 05:42:40,879 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 05:42:40,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:40,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2023-11-29 05:42:40,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:42:40,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:42:40,910 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:42:40,910 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:42:40,910 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 05:42:40,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:40,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2023-11-29 05:42:40,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:42:40,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:42:40,919 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:42:40,919 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:42:40,924 INFO L748 eck$LassoCheckResult]: Stem: 29#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 98#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; 85#valid_product_returnLabel#1true main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 6#L810true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 73#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; 110#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 59#L667-2true [2023-11-29 05:42:40,924 INFO L750 eck$LassoCheckResult]: Loop: 59#L667-2true assume !false; 33#L668true assume test_~splverifierCounter~0#1 < 4; 104#L669true havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 10#L677true assume !(0 != test_~tmp~5#1); 62#L677-2true havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 51#L687true assume !(0 != test_~tmp___0~1#1); 74#L687-2true havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 35#L697true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet42#1;test_~tmp___1~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 99#L705true assume !(0 != test_~tmp___1~0#1); 113#L705-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 107#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 78#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 46#L120true assume !(0 != ~pumpRunning~0); 30#L120-2true assume !(0 != ~systemActive~0); 83#L127-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 63#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 13#L852true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 103#L852-1true havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 64#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 59#L667-2true [2023-11-29 05:42:40,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:40,929 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-29 05:42:40,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:40,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082959545] [2023-11-29 05:42:40,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:40,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:41,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:42:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:41,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:42:41,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:41,054 INFO L85 PathProgramCache]: Analyzing trace with hash 505595387, now seen corresponding path program 1 times [2023-11-29 05:42:41,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:41,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662055752] [2023-11-29 05:42:41,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:41,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:41,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:42:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:41,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:42:41,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:41,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1935343730, now seen corresponding path program 1 times [2023-11-29 05:42:41,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:41,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754157216] [2023-11-29 05:42:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:41,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:42:41,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754157216] [2023-11-29 05:42:41,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754157216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:41,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:41,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:42:41,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271260196] [2023-11-29 05:42:41,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:41,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:42:41,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:42:41,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:42:41,462 INFO L87 Difference]: Start difference. First operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:41,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:41,612 INFO L93 Difference]: Finished difference Result 406 states and 525 transitions. [2023-11-29 05:42:41,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 406 states and 525 transitions. [2023-11-29 05:42:41,626 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 262 [2023-11-29 05:42:41,635 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 406 states to 366 states and 485 transitions. [2023-11-29 05:42:41,636 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 366 [2023-11-29 05:42:41,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 366 [2023-11-29 05:42:41,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 366 states and 485 transitions. [2023-11-29 05:42:41,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:42:41,642 INFO L218 hiAutomatonCegarLoop]: Abstraction has 366 states and 485 transitions. [2023-11-29 05:42:41,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states and 485 transitions. [2023-11-29 05:42:41,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 168. [2023-11-29 05:42:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 168 states have (on average 1.3214285714285714) internal successors, (222), 167 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:41,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2023-11-29 05:42:41,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 168 states and 222 transitions. [2023-11-29 05:42:41,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:42:41,686 INFO L428 stractBuchiCegarLoop]: Abstraction has 168 states and 222 transitions. [2023-11-29 05:42:41,686 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 05:42:41,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 222 transitions. [2023-11-29 05:42:41,688 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2023-11-29 05:42:41,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:42:41,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:42:41,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:42:41,690 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] [2023-11-29 05:42:41,690 INFO L748 eck$LassoCheckResult]: Stem: 592#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 593#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 584#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 585#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; 642#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 551#L810 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 552#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; 636#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 628#L667-2 [2023-11-29 05:42:41,690 INFO L750 eck$LassoCheckResult]: Loop: 628#L667-2 assume !false; 600#L668 assume test_~splverifierCounter~0#1 < 4; 601#L669 havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 557#L677 assume !(0 != test_~tmp~5#1); 559#L677-2 havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 620#L687 assume !(0 != test_~tmp___0~1#1); 615#L687-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 603#L697 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 604#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 621#L705-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 650#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 639#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 617#L120 assume !(0 != ~pumpRunning~0); 594#L120-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 595#L152 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 596#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 554#L152-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 638#L127-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 630#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 563#L852 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 565#L852-1 havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 631#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 628#L667-2 [2023-11-29 05:42:41,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:41,691 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-29 05:42:41,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:41,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333862219] [2023-11-29 05:42:41,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:41,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:41,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:42:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:41,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:42:41,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:41,717 INFO L85 PathProgramCache]: Analyzing trace with hash -338410915, now seen corresponding path program 1 times [2023-11-29 05:42:41,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:41,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411224876] [2023-11-29 05:42:41,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:41,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:41,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:42:41,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411224876] [2023-11-29 05:42:41,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411224876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:41,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:41,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:42:41,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966710081] [2023-11-29 05:42:41,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:41,742 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:42:41,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:42:41,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:42:41,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:42:41,744 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:41,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:41,803 INFO L93 Difference]: Finished difference Result 225 states and 286 transitions. [2023-11-29 05:42:41,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 286 transitions. [2023-11-29 05:42:41,835 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2023-11-29 05:42:41,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 225 states and 286 transitions. [2023-11-29 05:42:41,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 225 [2023-11-29 05:42:41,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 225 [2023-11-29 05:42:41,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225 states and 286 transitions. [2023-11-29 05:42:41,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:42:41,840 INFO L218 hiAutomatonCegarLoop]: Abstraction has 225 states and 286 transitions. [2023-11-29 05:42:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states and 286 transitions. [2023-11-29 05:42:41,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2023-11-29 05:42:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.271111111111111) internal successors, (286), 224 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 286 transitions. [2023-11-29 05:42:41,854 INFO L240 hiAutomatonCegarLoop]: Abstraction has 225 states and 286 transitions. [2023-11-29 05:42:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:42:41,855 INFO L428 stractBuchiCegarLoop]: Abstraction has 225 states and 286 transitions. [2023-11-29 05:42:41,855 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 05:42:41,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 286 transitions. [2023-11-29 05:42:41,857 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2023-11-29 05:42:41,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:42:41,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:42:41,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:42:41,859 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, 1] [2023-11-29 05:42:41,859 INFO L748 eck$LassoCheckResult]: Stem: 991#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 992#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 983#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 984#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; 1049#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 950#L810 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 951#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; 1041#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1031#L667-2 [2023-11-29 05:42:41,859 INFO L750 eck$LassoCheckResult]: Loop: 1031#L667-2 assume !false; 1032#L668 assume test_~splverifierCounter~0#1 < 4; 1061#L669 havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 956#L677 assume !(0 != test_~tmp~5#1); 958#L677-2 havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1023#L687 assume !(0 != test_~tmp___0~1#1); 1015#L687-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 1002#L697 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1003#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1024#L705-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 1062#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 1045#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1018#L120 assume !(0 != ~pumpRunning~0); 1019#L120-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 995#L152 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 996#L957 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 968#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 969#L254 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 987#L254-2 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 988#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret5#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret5#1;havoc processEnvironment_#t~ret5#1; 1056#L156 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 961#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 962#L152-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 1044#L127-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1135#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 1133#L852 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 1130#L852-1 havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1035#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1031#L667-2 [2023-11-29 05:42:41,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:41,860 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-29 05:42:41,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:41,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710981996] [2023-11-29 05:42:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:41,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:41,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:42:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:41,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:42:41,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:41,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1533045445, now seen corresponding path program 1 times [2023-11-29 05:42:41,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:41,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128604794] [2023-11-29 05:42:41,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:41,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:41,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:41,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:42:41,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128604794] [2023-11-29 05:42:41,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128604794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:41,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:41,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:42:41,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236386113] [2023-11-29 05:42:41,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:41,950 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:42:41,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:42:41,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:42:41,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:42:41,950 INFO L87 Difference]: Start difference. First operand 225 states and 286 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:42,092 INFO L93 Difference]: Finished difference Result 585 states and 728 transitions. [2023-11-29 05:42:42,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 585 states and 728 transitions. [2023-11-29 05:42:42,098 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 403 [2023-11-29 05:42:42,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 585 states to 585 states and 728 transitions. [2023-11-29 05:42:42,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 585 [2023-11-29 05:42:42,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 585 [2023-11-29 05:42:42,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 585 states and 728 transitions. [2023-11-29 05:42:42,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:42:42,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 585 states and 728 transitions. [2023-11-29 05:42:42,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states and 728 transitions. [2023-11-29 05:42:42,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 439. [2023-11-29 05:42:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 439 states have (on average 1.24373576309795) internal successors, (546), 438 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 546 transitions. [2023-11-29 05:42:42,128 INFO L240 hiAutomatonCegarLoop]: Abstraction has 439 states and 546 transitions. [2023-11-29 05:42:42,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:42:42,129 INFO L428 stractBuchiCegarLoop]: Abstraction has 439 states and 546 transitions. [2023-11-29 05:42:42,129 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 05:42:42,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 439 states and 546 transitions. [2023-11-29 05:42:42,133 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 323 [2023-11-29 05:42:42,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:42:42,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:42:42,134 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:42:42,134 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, 1, 1, 1] [2023-11-29 05:42:42,135 INFO L748 eck$LassoCheckResult]: Stem: 1813#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1814#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1805#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1806#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; 1875#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 1773#L810 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1774#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; 1866#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1856#L667-2 [2023-11-29 05:42:42,135 INFO L750 eck$LassoCheckResult]: Loop: 1856#L667-2 assume !false; 1821#L668 assume test_~splverifierCounter~0#1 < 4; 1822#L669 havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 2162#L677 assume !(0 != test_~tmp~5#1); 2163#L677-2 havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 2178#L687 assume !(0 != test_~tmp___0~1#1); 2176#L687-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 2174#L697 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1825#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1849#L705-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 2166#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 2165#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1842#L120 assume !(0 != ~pumpRunning~0); 1843#L120-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 1817#L152 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1818#L957 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1790#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 1791#L254 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1809#L254-2 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 1810#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret5#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret5#1;havoc processEnvironment_#t~ret5#1; 1884#L156 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1784#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 1785#L152-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 1869#L127-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 2139#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 2138#L852 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 1861#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; 1862#L856 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1881#L852-1 havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1859#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1856#L667-2 [2023-11-29 05:42:42,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:42,135 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2023-11-29 05:42:42,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:42,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139028310] [2023-11-29 05:42:42,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:42,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:42,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:42:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:42,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:42:42,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:42,154 INFO L85 PathProgramCache]: Analyzing trace with hash 61885472, now seen corresponding path program 1 times [2023-11-29 05:42:42,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:42,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046732781] [2023-11-29 05:42:42,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:42,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:42,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:42:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:42,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:42:42,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:42,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1903972023, now seen corresponding path program 1 times [2023-11-29 05:42:42,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:42,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4681285] [2023-11-29 05:42:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:42,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:42,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:42:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:42,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:42:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:43,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:42:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:43,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 05:42:43 BoogieIcfgContainer [2023-11-29 05:42:43,395 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 05:42:43,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:42:43,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:42:43,396 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:42:43,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:42:40" (3/4) ... [2023-11-29 05:42:43,398 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-29 05:42:43,453 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:42:43,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:42:43,455 INFO L158 Benchmark]: Toolchain (without parser) took 3625.70ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 119.4MB in the beginning and 154.9MB in the end (delta: -35.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-29 05:42:43,455 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:42:43,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.50ms. Allocated memory is still 163.6MB. Free memory was 119.4MB in the beginning and 100.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 05:42:43,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.32ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 97.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:42:43,456 INFO L158 Benchmark]: Boogie Preprocessor took 56.82ms. Allocated memory is still 163.6MB. Free memory was 97.4MB in the beginning and 94.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:42:43,457 INFO L158 Benchmark]: RCFGBuilder took 474.70ms. Allocated memory is still 163.6MB. Free memory was 94.8MB in the beginning and 119.7MB in the end (delta: -24.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-11-29 05:42:43,457 INFO L158 Benchmark]: BuchiAutomizer took 2573.20ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 119.7MB in the beginning and 158.0MB in the end (delta: -38.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-29 05:42:43,457 INFO L158 Benchmark]: Witness Printer took 57.83ms. Allocated memory is still 209.7MB. Free memory was 158.0MB in the beginning and 154.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:42:43,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.50ms. Allocated memory is still 163.6MB. Free memory was 119.4MB in the beginning and 100.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.32ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 97.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.82ms. Allocated memory is still 163.6MB. Free memory was 97.4MB in the beginning and 94.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.70ms. Allocated memory is still 163.6MB. Free memory was 94.8MB in the beginning and 119.7MB in the end (delta: -24.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2573.20ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 119.7MB in the beginning and 158.0MB in the end (delta: -38.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 57.83ms. Allocated memory is still 209.7MB. Free memory was 158.0MB in the beginning and 154.9MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 287]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [287] - GenericResultAtLocation [Line: 653]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [653] - GenericResultAtLocation [Line: 725]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [725] - GenericResultAtLocation [Line: 823]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [823] - GenericResultAtLocation [Line: 873]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [873] * 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 439 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 344 StatesRemovedByMinimization, 2 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, 1246 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1246 mSDsluCounter, 2008 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1499 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 509 mSDtfsCounter, 158 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: 667]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L108] int pumpRunning = 0; [L109] int systemActive = 1; [L457] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L726] int cleanupTimeShifts = 4; [L825] int switchedOnBeforeTS ; [L874] int waterLevel = 1; [L875] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L801] int retValue_acc ; [L802] int tmp ; [L806] FCALL select_helpers() [L807] FCALL select_features() [L808] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L808] RET, EXPR valid_product() [L808] tmp = valid_product() [L810] COND TRUE \read(tmp) [L812] FCALL setup() [L813] CALL runTest() [L794] CALL __utac_acc__Specification5_spec__1() [L830] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L794] RET __utac_acc__Specification5_spec__1() [L795] CALL test() [L658] int splverifierCounter ; [L659] int tmp ; [L660] int tmp___0 ; [L661] int tmp___1 ; [L662] int tmp___2 ; [L665] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L667] COND TRUE 1 [L669] COND TRUE splverifierCounter < 4 [L675] tmp = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp)) [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) [L695] tmp___2 = __VERIFIER_nondet_int() [L697] COND TRUE \read(tmp___2) [L699] CALL startSystem() [L283] systemActive = 1 [L699] RET startSystem() [L714] CALL timeShift() [L118] CALL __utac_acc__Specification5_spec__2() [L839] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L839] RET, EXPR isPumpRunning() [L839] switchedOnBeforeTS = isPumpRunning() [L118] RET __utac_acc__Specification5_spec__2() [L120] COND FALSE !(\read(pumpRunning)) [L127] COND TRUE \read(systemActive) [L129] CALL processEnvironment() [L149] int tmp ; [L152] COND TRUE ! pumpRunning [L154] CALL, EXPR isHighWaterLevel() [L246] int retValue_acc ; [L247] int tmp ; [L248] int tmp___0 ; [L252] CALL, EXPR isHighWaterSensorDry() [L954] int retValue_acc ; [L957] COND TRUE waterLevel < 2 [L958] retValue_acc = 1 [L959] return (retValue_acc); [L252] RET, EXPR isHighWaterSensorDry() [L252] tmp = isHighWaterSensorDry() [L254] COND TRUE \read(tmp) [L255] tmp___0 = 0 [L259] retValue_acc = tmp___0 [L260] return (retValue_acc); [L154] RET, EXPR isHighWaterLevel() [L154] tmp = isHighWaterLevel() [L156] COND FALSE !(\read(tmp)) [L162] FCALL processEnvironment__wrappee__base() [L129] RET processEnvironment() [L135] CALL __utac_acc__Specification5_spec__3() [L845] int tmp ; [L846] int tmp___0 ; [L850] CALL, EXPR getWaterLevel() [L945] int retValue_acc ; [L948] retValue_acc = waterLevel [L949] return (retValue_acc); [L850] RET, EXPR getWaterLevel() [L850] tmp = getWaterLevel() [L852] COND TRUE tmp != 2 [L854] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L854] RET, EXPR isPumpRunning() [L854] tmp___0 = isPumpRunning() [L856] COND FALSE !(\read(tmp___0)) [L135] RET __utac_acc__Specification5_spec__3() [L714] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 667]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L108] int pumpRunning = 0; [L109] int systemActive = 1; [L457] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L726] int cleanupTimeShifts = 4; [L825] int switchedOnBeforeTS ; [L874] int waterLevel = 1; [L875] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L801] int retValue_acc ; [L802] int tmp ; [L806] FCALL select_helpers() [L807] FCALL select_features() [L808] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L808] RET, EXPR valid_product() [L808] tmp = valid_product() [L810] COND TRUE \read(tmp) [L812] FCALL setup() [L813] CALL runTest() [L794] CALL __utac_acc__Specification5_spec__1() [L830] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L794] RET __utac_acc__Specification5_spec__1() [L795] CALL test() [L658] int splverifierCounter ; [L659] int tmp ; [L660] int tmp___0 ; [L661] int tmp___1 ; [L662] int tmp___2 ; [L665] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L667] COND TRUE 1 [L669] COND TRUE splverifierCounter < 4 [L675] tmp = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp)) [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) [L695] tmp___2 = __VERIFIER_nondet_int() [L697] COND TRUE \read(tmp___2) [L699] CALL startSystem() [L283] systemActive = 1 [L699] RET startSystem() [L714] CALL timeShift() [L118] CALL __utac_acc__Specification5_spec__2() [L839] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L839] RET, EXPR isPumpRunning() [L839] switchedOnBeforeTS = isPumpRunning() [L118] RET __utac_acc__Specification5_spec__2() [L120] COND FALSE !(\read(pumpRunning)) [L127] COND TRUE \read(systemActive) [L129] CALL processEnvironment() [L149] int tmp ; [L152] COND TRUE ! pumpRunning [L154] CALL, EXPR isHighWaterLevel() [L246] int retValue_acc ; [L247] int tmp ; [L248] int tmp___0 ; [L252] CALL, EXPR isHighWaterSensorDry() [L954] int retValue_acc ; [L957] COND TRUE waterLevel < 2 [L958] retValue_acc = 1 [L959] return (retValue_acc); [L252] RET, EXPR isHighWaterSensorDry() [L252] tmp = isHighWaterSensorDry() [L254] COND TRUE \read(tmp) [L255] tmp___0 = 0 [L259] retValue_acc = tmp___0 [L260] return (retValue_acc); [L154] RET, EXPR isHighWaterLevel() [L154] tmp = isHighWaterLevel() [L156] COND FALSE !(\read(tmp)) [L162] FCALL processEnvironment__wrappee__base() [L129] RET processEnvironment() [L135] CALL __utac_acc__Specification5_spec__3() [L845] int tmp ; [L846] int tmp___0 ; [L850] CALL, EXPR getWaterLevel() [L945] int retValue_acc ; [L948] retValue_acc = waterLevel [L949] return (retValue_acc); [L850] RET, EXPR getWaterLevel() [L850] tmp = getWaterLevel() [L852] COND TRUE tmp != 2 [L854] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L854] RET, EXPR isPumpRunning() [L854] tmp___0 = isPumpRunning() [L856] COND FALSE !(\read(tmp___0)) [L135] RET __utac_acc__Specification5_spec__3() [L714] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-29 05:42:43,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b738338-fd01-4946-a547-74e0e60fbb53/bin/uautomizer-verify-BQ2R08f2Ya/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)