./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:40:46,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:40:46,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 18:40:46,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:40:46,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:40:46,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:40:46,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:40:46,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:40:46,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:40:46,899 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:40:46,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:40:46,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:40:46,905 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:40:46,905 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 18:40:46,906 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 18:40:46,906 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 18:40:46,906 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 18:40:46,907 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 18:40:46,907 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 18:40:46,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:40:46,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 18:40:46,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:40:46,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:40:46,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:40:46,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:40:46,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 18:40:46,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 18:40:46,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 18:40:46,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:40:46,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:40:46,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:40:46,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:40:46,939 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 18:40:46,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:40:46,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:40:46,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:40:46,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:40:46,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:40:46,945 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 18:40:46,946 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_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef [2024-11-08 18:40:47,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:40:47,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:40:47,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:40:47,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:40:47,352 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:40:47,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c Unable to find full path for "g++" [2024-11-08 18:40:49,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:40:50,195 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:40:50,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2024-11-08 18:40:50,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/data/af90f558a/b7687b1f36cb4d3cbb4cce4e11a7f292/FLAG14d360889 [2024-11-08 18:40:50,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/data/af90f558a/b7687b1f36cb4d3cbb4cce4e11a7f292 [2024-11-08 18:40:50,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:40:50,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:40:50,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:40:50,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:40:50,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:40:50,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:40:50" (1/1) ... [2024-11-08 18:40:50,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a24f177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:50, skipping insertion in model container [2024-11-08 18:40:50,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:40:50" (1/1) ... [2024-11-08 18:40:50,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:40:51,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:40:51,043 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:40:51,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-08 18:40:51,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-08 18:40:51,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [96] [2024-11-08 18:40:51,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [462] [2024-11-08 18:40:51,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] [2024-11-08 18:40:51,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [633] [2024-11-08 18:40:51,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [802] [2024-11-08 18:40:51,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [851] [2024-11-08 18:40:51,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:40:51,255 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:40:51,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51 WrapperNode [2024-11-08 18:40:51,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:40:51,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:40:51,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:40:51,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:40:51,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,349 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 51, calls inlined = 58, statements flattened = 380 [2024-11-08 18:40:51,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:40:51,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:40:51,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:40:51,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:40:51,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,369 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,390 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:40:51,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:40:51,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:40:51,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:40:51,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:40:51,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (1/1) ... [2024-11-08 18:40:51,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:40:51,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:40:51,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:40:51,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 18:40:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:40:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:40:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:40:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:40:51,619 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:40:51,622 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:40:52,112 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-08 18:40:52,112 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:40:52,132 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:40:52,132 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:40:52,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:40:52 BoogieIcfgContainer [2024-11-08 18:40:52,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:40:52,135 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 18:40:52,135 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 18:40:52,141 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 18:40:52,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:40:52,142 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 06:40:50" (1/3) ... [2024-11-08 18:40:52,144 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9b4a9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:40:52, skipping insertion in model container [2024-11-08 18:40:52,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:40:52,144 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:51" (2/3) ... [2024-11-08 18:40:52,145 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9b4a9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:40:52, skipping insertion in model container [2024-11-08 18:40:52,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:40:52,146 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:40:52" (3/3) ... [2024-11-08 18:40:52,148 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2024-11-08 18:40:52,309 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 18:40:52,310 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 18:40:52,311 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 18:40:52,311 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 18:40:52,311 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 18:40:52,311 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 18:40:52,312 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 18:40:52,312 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 18:40:52,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:52,361 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2024-11-08 18:40:52,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:40:52,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:40:52,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:52,376 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] [2024-11-08 18:40:52,376 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 18:40:52,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:52,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2024-11-08 18:40:52,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:40:52,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:40:52,396 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:52,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:52,404 INFO L745 eck$LassoCheckResult]: Stem: 24#$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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 20#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 93#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; 81#valid_product_returnLabel#1true main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 67#L935true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 65#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; 103#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 27#L577-2true [2024-11-08 18:40:52,405 INFO L747 eck$LassoCheckResult]: Loop: 27#L577-2true assume !false; 37#L578true assume test_~splverifierCounter~0#1 < 4; 13#L579true havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 117#L587true assume !(0 != test_~tmp~3#1); 52#L587-2true havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 97#L597true assume !(0 != test_~tmp___0~0#1); 50#L597-2true havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 26#L607true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet36#1;test_~tmp___1~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 9#L615true assume 0 != test_~tmp___1~0#1; 14#L615-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 99#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 75#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 86#L650true assume !(0 != ~pumpRunning~0); 66#L650-2true assume !(0 != ~systemActive~0); 83#L657-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 53#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 89#L830true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 114#L830-1true havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 54#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 27#L577-2true [2024-11-08 18:40:52,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:52,415 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-08 18:40:52,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:52,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757120325] [2024-11-08 18:40:52,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:52,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:52,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:40:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:52,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:40:52,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:52,634 INFO L85 PathProgramCache]: Analyzing trace with hash 772986989, now seen corresponding path program 1 times [2024-11-08 18:40:52,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:52,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318525302] [2024-11-08 18:40:52,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:52,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:52,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:40:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:52,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:40:52,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:52,692 INFO L85 PathProgramCache]: Analyzing trace with hash -2092231964, now seen corresponding path program 1 times [2024-11-08 18:40:52,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:52,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853441936] [2024-11-08 18:40:52,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:52,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:53,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:53,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853441936] [2024-11-08 18:40:53,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853441936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:53,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:40:53,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:40:53,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352535912] [2024-11-08 18:40:53,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:53,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:53,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:40:53,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:40:53,328 INFO L87 Difference]: Start difference. First operand has 119 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 states have internal predecessors, (161), 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) [2024-11-08 18:40:53,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:53,464 INFO L93 Difference]: Finished difference Result 113 states and 144 transitions. [2024-11-08 18:40:53,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 144 transitions. [2024-11-08 18:40:53,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-08 18:40:53,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 103 states and 134 transitions. [2024-11-08 18:40:53,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 103 [2024-11-08 18:40:53,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 103 [2024-11-08 18:40:53,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 134 transitions. [2024-11-08 18:40:53,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:40:53,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 134 transitions. [2024-11-08 18:40:53,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 134 transitions. [2024-11-08 18:40:53,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-08 18:40:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.3009708737864079) internal successors, (134), 102 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:53,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 134 transitions. [2024-11-08 18:40:53,557 INFO L240 hiAutomatonCegarLoop]: Abstraction has 103 states and 134 transitions. [2024-11-08 18:40:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:40:53,570 INFO L425 stractBuchiCegarLoop]: Abstraction has 103 states and 134 transitions. [2024-11-08 18:40:53,571 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 18:40:53,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states and 134 transitions. [2024-11-08 18:40:53,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-08 18:40:53,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:40:53,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:40:53,575 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:53,576 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] [2024-11-08 18:40:53,576 INFO L745 eck$LassoCheckResult]: Stem: 284#$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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 285#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 280#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 281#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; 342#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 330#L935 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 327#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; 328#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 290#L577-2 [2024-11-08 18:40:53,577 INFO L747 eck$LassoCheckResult]: Loop: 290#L577-2 assume !false; 291#L578 assume test_~splverifierCounter~0#1 < 4; 266#L579 havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 267#L587 assume !(0 != test_~tmp~3#1); 297#L587-2 havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 313#L597 assume !(0 != test_~tmp___0~0#1); 312#L597-2 havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 288#L607 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 289#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 260#L615-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 268#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 336#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 337#L650 assume !(0 != ~pumpRunning~0); 307#L650-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 329#L682 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 332#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 258#L682-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 283#L657-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 314#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 315#L830 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 346#L830-1 havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 316#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 290#L577-2 [2024-11-08 18:40:53,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:53,578 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-08 18:40:53,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:53,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553743760] [2024-11-08 18:40:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:53,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:40:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:53,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:40:53,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:53,613 INFO L85 PathProgramCache]: Analyzing trace with hash 378130738, now seen corresponding path program 1 times [2024-11-08 18:40:53,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:53,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568297465] [2024-11-08 18:40:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:53,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:53,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:53,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568297465] [2024-11-08 18:40:53,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568297465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:53,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:40:53,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:40:53,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407639131] [2024-11-08 18:40:53,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:53,670 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 18:40:53,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:53,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:40:53,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:40:53,675 INFO L87 Difference]: Start difference. First operand 103 states and 134 transitions. cyclomatic complexity: 33 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) [2024-11-08 18:40:53,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:53,806 INFO L93 Difference]: Finished difference Result 165 states and 209 transitions. [2024-11-08 18:40:53,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 209 transitions. [2024-11-08 18:40:53,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2024-11-08 18:40:53,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 165 states and 209 transitions. [2024-11-08 18:40:53,816 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 165 [2024-11-08 18:40:53,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 165 [2024-11-08 18:40:53,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 165 states and 209 transitions. [2024-11-08 18:40:53,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:40:53,821 INFO L218 hiAutomatonCegarLoop]: Abstraction has 165 states and 209 transitions. [2024-11-08 18:40:53,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states and 209 transitions. [2024-11-08 18:40:53,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-08 18:40:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 165 states have (on average 1.2666666666666666) internal successors, (209), 164 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 209 transitions. [2024-11-08 18:40:53,835 INFO L240 hiAutomatonCegarLoop]: Abstraction has 165 states and 209 transitions. [2024-11-08 18:40:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:40:53,837 INFO L425 stractBuchiCegarLoop]: Abstraction has 165 states and 209 transitions. [2024-11-08 18:40:53,837 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 18:40:53,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 209 transitions. [2024-11-08 18:40:53,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2024-11-08 18:40:53,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:40:53,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:40:53,841 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:53,841 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] [2024-11-08 18:40:53,842 INFO L745 eck$LassoCheckResult]: Stem: 561#$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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 562#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 556#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 557#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; 626#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 613#L935 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 610#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; 611#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 643#L577-2 [2024-11-08 18:40:53,842 INFO L747 eck$LassoCheckResult]: Loop: 643#L577-2 assume !false; 654#L578 assume test_~splverifierCounter~0#1 < 4; 541#L579 havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 542#L587 assume !(0 != test_~tmp~3#1); 575#L587-2 havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 594#L597 assume !(0 != test_~tmp___0~0#1); 593#L597-2 havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 565#L607 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 566#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 536#L615-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 638#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 639#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 630#L650 assume !(0 != ~pumpRunning~0); 608#L650-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 609#L682 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~7#1;havoc isHighWaterSensorDry_~retValue_acc~7#1; 612#L553 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~7#1; 550#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~7#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 551#L784 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 598#L784-2 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 599#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret37#1;havoc processEnvironment_#t~ret37#1; 602#L686 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 539#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 540#L682-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 627#L657-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 595#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 596#L830 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 659#L830-1 havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 657#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 643#L577-2 [2024-11-08 18:40:53,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:53,843 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-08 18:40:53,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:53,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083865524] [2024-11-08 18:40:53,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:53,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:53,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:40:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:53,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:40:53,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:53,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1919295142, now seen corresponding path program 1 times [2024-11-08 18:40:53,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:53,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785142278] [2024-11-08 18:40:53,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:53,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:54,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:54,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785142278] [2024-11-08 18:40:54,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785142278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:54,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:40:54,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:40:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036414318] [2024-11-08 18:40:54,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:54,035 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 18:40:54,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:40:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:40:54,037 INFO L87 Difference]: Start difference. First operand 165 states and 209 transitions. cyclomatic complexity: 46 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) [2024-11-08 18:40:54,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:54,260 INFO L93 Difference]: Finished difference Result 322 states and 404 transitions. [2024-11-08 18:40:54,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 404 transitions. [2024-11-08 18:40:54,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 232 [2024-11-08 18:40:54,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 322 states and 404 transitions. [2024-11-08 18:40:54,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 322 [2024-11-08 18:40:54,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 322 [2024-11-08 18:40:54,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 322 states and 404 transitions. [2024-11-08 18:40:54,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:40:54,289 INFO L218 hiAutomatonCegarLoop]: Abstraction has 322 states and 404 transitions. [2024-11-08 18:40:54,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states and 404 transitions. [2024-11-08 18:40:54,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 319. [2024-11-08 18:40:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 319 states have (on average 1.2476489028213167) internal successors, (398), 318 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 398 transitions. [2024-11-08 18:40:54,334 INFO L240 hiAutomatonCegarLoop]: Abstraction has 319 states and 398 transitions. [2024-11-08 18:40:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:40:54,337 INFO L425 stractBuchiCegarLoop]: Abstraction has 319 states and 398 transitions. [2024-11-08 18:40:54,338 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 18:40:54,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 319 states and 398 transitions. [2024-11-08 18:40:54,343 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 230 [2024-11-08 18:40:54,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:40:54,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:40:54,347 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:54,348 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] [2024-11-08 18:40:54,348 INFO L745 eck$LassoCheckResult]: Stem: 1060#$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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 1061#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 1054#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1055#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; 1131#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 1115#L935 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1111#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; 1112#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1154#L577-2 [2024-11-08 18:40:54,348 INFO L747 eck$LassoCheckResult]: Loop: 1154#L577-2 assume !false; 1240#L578 assume test_~splverifierCounter~0#1 < 4; 1241#L579 havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 1327#L587 assume !(0 != test_~tmp~3#1); 1323#L587-2 havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 1320#L597 assume !(0 != test_~tmp___0~0#1); 1317#L597-2 havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 1312#L607 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1308#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1305#L615-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 1303#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 1302#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1250#L650 assume !(0 != ~pumpRunning~0); 1221#L650-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 1219#L682 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~7#1;havoc isHighWaterSensorDry_~retValue_acc~7#1; 1218#L553 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~7#1; 1123#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~7#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 1152#L784 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1153#L784-2 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 1140#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret37#1;havoc processEnvironment_#t~ret37#1; 1141#L686 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1216#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 1058#L682-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 1059#L657-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 1249#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 1248#L830 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 1247#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1245#L834 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1243#L830-1 havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1242#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1154#L577-2 [2024-11-08 18:40:54,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:54,349 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-08 18:40:54,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:54,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262335905] [2024-11-08 18:40:54,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:54,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:54,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:40:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:54,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:40:54,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:54,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1922666507, now seen corresponding path program 1 times [2024-11-08 18:40:54,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:54,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541679639] [2024-11-08 18:40:54,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:54,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:54,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:40:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:54,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:40:54,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:54,444 INFO L85 PathProgramCache]: Analyzing trace with hash 406443294, now seen corresponding path program 1 times [2024-11-08 18:40:54,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:54,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615839987] [2024-11-08 18:40:54,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:54,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:54,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:40:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:54,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:40:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:55,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:40:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:40:56,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 06:40:56 BoogieIcfgContainer [2024-11-08 18:40:56,050 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 18:40:56,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:40:56,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:40:56,053 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:40:56,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:40:52" (3/4) ... [2024-11-08 18:40:56,056 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 18:40:56,148 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:40:56,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:40:56,149 INFO L158 Benchmark]: Toolchain (without parser) took 5652.86ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 107.9MB in the beginning and 122.8MB in the end (delta: -14.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-11-08 18:40:56,150 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 146.8MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:40:56,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.86ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 86.5MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 18:40:56,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.07ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 83.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:40:56,152 INFO L158 Benchmark]: Boogie Preprocessor took 64.28ms. Allocated memory is still 146.8MB. Free memory was 83.7MB in the beginning and 80.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:40:56,152 INFO L158 Benchmark]: RCFGBuilder took 717.87ms. Allocated memory is still 146.8MB. Free memory was 80.7MB in the beginning and 60.2MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 18:40:56,153 INFO L158 Benchmark]: BuchiAutomizer took 3915.39ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 59.7MB in the beginning and 127.0MB in the end (delta: -67.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:40:56,154 INFO L158 Benchmark]: Witness Printer took 97.64ms. Allocated memory is still 197.1MB. Free memory was 125.9MB in the beginning and 122.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:40:56,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 146.8MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 759.86ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 86.5MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.07ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 83.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.28ms. Allocated memory is still 146.8MB. Free memory was 83.7MB in the beginning and 80.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.87ms. Allocated memory is still 146.8MB. Free memory was 80.7MB in the beginning and 60.2MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 3915.39ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 59.7MB in the beginning and 127.0MB in the end (delta: -67.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 97.64ms. Allocated memory is still 197.1MB. Free memory was 125.9MB in the beginning and 122.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [96] - GenericResultAtLocation [Line: 462]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [462] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] - GenericResultAtLocation [Line: 633]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [633] - GenericResultAtLocation [Line: 802]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [802] - GenericResultAtLocation [Line: 851]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [851] * 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 319 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 488 mSDsluCounter, 1163 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 723 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 440 mSDtfsCounter, 140 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: 577]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L470] int waterLevel = 1; [L471] int methaneLevelCritical = 0; [L638] int pumpRunning = 0; [L639] int systemActive = 1; [L803] int switchedOnBeforeTS ; [L852] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L926] int retValue_acc ; [L927] int tmp ; [L931] FCALL select_helpers() [L932] FCALL select_features() [L933] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L933] RET, EXPR valid_product() [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L937] FCALL setup() [L938] CALL runTest() [L919] CALL __utac_acc__Specification5_spec__1() [L808] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L919] RET __utac_acc__Specification5_spec__1() [L920] CALL test() [L568] int splverifierCounter ; [L569] int tmp ; [L570] int tmp___0 ; [L571] int tmp___1 ; [L572] int tmp___2 ; [L575] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L577] COND TRUE 1 [L579] COND TRUE splverifierCounter < 4 [L585] tmp = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp)) [L595] tmp___0 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___0)) [L605] tmp___2 = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp___2) [L609] CALL startSystem() [L798] systemActive = 1 [L609] RET startSystem() [L622] CALL timeShift() [L648] CALL __utac_acc__Specification5_spec__2() [L817] CALL, EXPR isPumpRunning() [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); [L817] RET, EXPR isPumpRunning() [L817] switchedOnBeforeTS = isPumpRunning() [L648] RET __utac_acc__Specification5_spec__2() [L650] COND FALSE !(\read(pumpRunning)) [L657] COND TRUE \read(systemActive) [L659] CALL processEnvironment() [L679] int tmp ; [L682] COND TRUE ! pumpRunning [L684] CALL, EXPR isHighWaterLevel() [L776] int retValue_acc ; [L777] int tmp ; [L778] int tmp___0 ; [L782] CALL, EXPR isHighWaterSensorDry() [L550] int retValue_acc ; [L553] COND TRUE waterLevel < 2 [L554] retValue_acc = 1 [L555] return (retValue_acc); [L782] RET, EXPR isHighWaterSensorDry() [L782] tmp = isHighWaterSensorDry() [L784] COND TRUE \read(tmp) [L785] tmp___0 = 0 [L789] retValue_acc = tmp___0 [L790] return (retValue_acc); [L684] RET, EXPR isHighWaterLevel() [L684] tmp = isHighWaterLevel() [L686] COND FALSE !(\read(tmp)) [L692] FCALL processEnvironment__wrappee__base() [L659] RET processEnvironment() [L665] CALL __utac_acc__Specification5_spec__3() [L823] int tmp ; [L824] int tmp___0 ; [L828] CALL, EXPR getWaterLevel() [L541] int retValue_acc ; [L544] retValue_acc = waterLevel [L545] return (retValue_acc); [L828] RET, EXPR getWaterLevel() [L828] tmp = getWaterLevel() [L830] COND TRUE tmp != 2 [L832] CALL, EXPR isPumpRunning() [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); [L832] RET, EXPR isPumpRunning() [L832] tmp___0 = isPumpRunning() [L834] COND FALSE !(\read(tmp___0)) [L665] RET __utac_acc__Specification5_spec__3() [L622] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 577]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L470] int waterLevel = 1; [L471] int methaneLevelCritical = 0; [L638] int pumpRunning = 0; [L639] int systemActive = 1; [L803] int switchedOnBeforeTS ; [L852] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L926] int retValue_acc ; [L927] int tmp ; [L931] FCALL select_helpers() [L932] FCALL select_features() [L933] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L933] RET, EXPR valid_product() [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L937] FCALL setup() [L938] CALL runTest() [L919] CALL __utac_acc__Specification5_spec__1() [L808] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L919] RET __utac_acc__Specification5_spec__1() [L920] CALL test() [L568] int splverifierCounter ; [L569] int tmp ; [L570] int tmp___0 ; [L571] int tmp___1 ; [L572] int tmp___2 ; [L575] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L577] COND TRUE 1 [L579] COND TRUE splverifierCounter < 4 [L585] tmp = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp)) [L595] tmp___0 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___0)) [L605] tmp___2 = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp___2) [L609] CALL startSystem() [L798] systemActive = 1 [L609] RET startSystem() [L622] CALL timeShift() [L648] CALL __utac_acc__Specification5_spec__2() [L817] CALL, EXPR isPumpRunning() [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); [L817] RET, EXPR isPumpRunning() [L817] switchedOnBeforeTS = isPumpRunning() [L648] RET __utac_acc__Specification5_spec__2() [L650] COND FALSE !(\read(pumpRunning)) [L657] COND TRUE \read(systemActive) [L659] CALL processEnvironment() [L679] int tmp ; [L682] COND TRUE ! pumpRunning [L684] CALL, EXPR isHighWaterLevel() [L776] int retValue_acc ; [L777] int tmp ; [L778] int tmp___0 ; [L782] CALL, EXPR isHighWaterSensorDry() [L550] int retValue_acc ; [L553] COND TRUE waterLevel < 2 [L554] retValue_acc = 1 [L555] return (retValue_acc); [L782] RET, EXPR isHighWaterSensorDry() [L782] tmp = isHighWaterSensorDry() [L784] COND TRUE \read(tmp) [L785] tmp___0 = 0 [L789] retValue_acc = tmp___0 [L790] return (retValue_acc); [L684] RET, EXPR isHighWaterLevel() [L684] tmp = isHighWaterLevel() [L686] COND FALSE !(\read(tmp)) [L692] FCALL processEnvironment__wrappee__base() [L659] RET processEnvironment() [L665] CALL __utac_acc__Specification5_spec__3() [L823] int tmp ; [L824] int tmp___0 ; [L828] CALL, EXPR getWaterLevel() [L541] int retValue_acc ; [L544] retValue_acc = waterLevel [L545] return (retValue_acc); [L828] RET, EXPR getWaterLevel() [L828] tmp = getWaterLevel() [L830] COND TRUE tmp != 2 [L832] CALL, EXPR isPumpRunning() [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); [L832] RET, EXPR isPumpRunning() [L832] tmp___0 = isPumpRunning() [L834] COND FALSE !(\read(tmp___0)) [L665] RET __utac_acc__Specification5_spec__3() [L622] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 18:40:56,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a50f2f5-7946-4186-8461-385f878010ff/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)