./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/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_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/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_c014aa0a-ec9f-45d1-af28-27a24ae71465/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 b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:14:08,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:14:08,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 16:14:08,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:14:08,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:14:08,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:14:08,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:14:08,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:14:08,476 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:14:08,476 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:14:08,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:14:08,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:14:08,478 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:14:08,479 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 16:14:08,480 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 16:14:08,480 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 16:14:08,480 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 16:14:08,480 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 16:14:08,481 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 16:14:08,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:14:08,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 16:14:08,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:14:08,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:14:08,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:14:08,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:14:08,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 16:14:08,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 16:14:08,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 16:14:08,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:14:08,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:14:08,488 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:14:08,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:14:08,488 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 16:14:08,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:14:08,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:14:08,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:14:08,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:14:08,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:14:08,492 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 16:14:08,492 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_c014aa0a-ec9f-45d1-af28-27a24ae71465/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 [2024-11-08 16:14:08,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:14:08,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:14:08,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:14:08,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:14:08,837 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:14:08,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c Unable to find full path for "g++" [2024-11-08 16:14:10,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:14:11,198 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:14:11,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2024-11-08 16:14:11,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/data/fbc7a2784/5b37361322c34eda8600641211b1120b/FLAG14d4b0bb2 [2024-11-08 16:14:11,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/data/fbc7a2784/5b37361322c34eda8600641211b1120b [2024-11-08 16:14:11,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:14:11,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:14:11,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:14:11,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:14:11,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:14:11,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:11,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181e5c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11, skipping insertion in model container [2024-11-08 16:14:11,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:11,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:14:11,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:14:11,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:14:11,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-08 16:14:11,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [304] [2024-11-08 16:14:11,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [376] [2024-11-08 16:14:11,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [427] [2024-11-08 16:14:11,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [793] [2024-11-08 16:14:11,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] [2024-11-08 16:14:11,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [928] [2024-11-08 16:14:11,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [937] [2024-11-08 16:14:11,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:14:11,871 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:14:11,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11 WrapperNode [2024-11-08 16:14:11,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:14:11,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:14:11,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:14:11,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:14:11,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:11,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:11,959 INFO L138 Inliner]: procedures = 60, calls = 107, calls flagged for inlining = 60, calls inlined = 108, statements flattened = 723 [2024-11-08 16:14:11,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:14:11,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:14:11,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:14:11,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:14:11,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:11,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:11,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:12,009 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 16:14:12,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:12,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:12,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:12,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:12,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:12,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:12,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:14:12,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:14:12,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:14:12,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:14:12,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (1/1) ... [2024-11-08 16:14:12,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:14:12,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:14:12,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:14:12,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 16:14:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:14:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:14:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:14:12,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:14:12,283 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:14:12,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:14:12,820 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-08 16:14:12,821 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:14:12,838 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:14:12,839 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 16:14:12,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:14:12 BoogieIcfgContainer [2024-11-08 16:14:12,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:14:12,841 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 16:14:12,841 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 16:14:12,844 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 16:14:12,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:14:12,845 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 04:14:11" (1/3) ... [2024-11-08 16:14:12,846 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30987d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:14:12, skipping insertion in model container [2024-11-08 16:14:12,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:14:12,847 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:14:11" (2/3) ... [2024-11-08 16:14:12,847 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30987d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:14:12, skipping insertion in model container [2024-11-08 16:14:12,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:14:12,847 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:14:12" (3/3) ... [2024-11-08 16:14:12,849 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2024-11-08 16:14:12,918 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 16:14:12,918 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 16:14:12,918 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 16:14:12,918 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 16:14:12,919 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 16:14:12,919 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 16:14:12,919 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 16:14:12,919 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 16:14:12,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 204 states, 203 states have (on average 1.3497536945812807) internal successors, (274), 203 states have internal predecessors, (274), 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 16:14:12,956 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 133 [2024-11-08 16:14:12,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:14:12,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:14:12,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:14:12,965 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 16:14:12,965 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 16:14:12,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 204 states, 203 states have (on average 1.3497536945812807) internal successors, (274), 203 states have internal predecessors, (274), 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 16:14:12,976 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 133 [2024-11-08 16:14:12,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:14:12,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:14:12,977 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:14:12,977 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 16:14:12,984 INFO L745 eck$LassoCheckResult]: Stem: 117#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 126#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 17#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 178#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 62#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 119#L880true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 44#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; 188#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 91#L318-2true [2024-11-08 16:14:12,985 INFO L747 eck$LassoCheckResult]: Loop: 91#L318-2true assume !false; 203#L319true assume test_~splverifierCounter~0#1 < 4; 55#L320true havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 174#L328true assume !(0 != test_~tmp~5#1); 45#L328-2true havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 32#L338true assume !(0 != test_~tmp___0~2#1); 51#L338-2true havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 182#L348true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 34#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 59#L356-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 185#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 161#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 156#L74true assume !(0 != ~pumpRunning~0); 74#L74-2true assume !(0 != ~systemActive~0); 5#L81-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 142#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 125#L406true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 82#L406-1true havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 143#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 91#L318-2true [2024-11-08 16:14:12,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:14:12,992 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-08 16:14:13,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:14:13,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588981619] [2024-11-08 16:14:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:14:13,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:14:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:13,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:14:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:13,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:14:13,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:14:13,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1850528940, now seen corresponding path program 1 times [2024-11-08 16:14:13,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:14:13,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499955565] [2024-11-08 16:14:13,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:14:13,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:14:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:14:13,323 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 16:14:13,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:14:13,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499955565] [2024-11-08 16:14:13,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499955565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:14:13,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:14:13,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:14:13,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597670204] [2024-11-08 16:14:13,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:14:13,333 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 16:14:13,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:14:13,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:14:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:14:13,378 INFO L87 Difference]: Start difference. First operand has 204 states, 203 states have (on average 1.3497536945812807) internal successors, (274), 203 states have internal predecessors, (274), 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 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 16:14:13,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:14:13,454 INFO L93 Difference]: Finished difference Result 386 states and 508 transitions. [2024-11-08 16:14:13,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 386 states and 508 transitions. [2024-11-08 16:14:13,464 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 252 [2024-11-08 16:14:13,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 386 states to 366 states and 487 transitions. [2024-11-08 16:14:13,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 366 [2024-11-08 16:14:13,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 366 [2024-11-08 16:14:13,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 366 states and 487 transitions. [2024-11-08 16:14:13,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:14:13,485 INFO L218 hiAutomatonCegarLoop]: Abstraction has 366 states and 487 transitions. [2024-11-08 16:14:13,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states and 487 transitions. [2024-11-08 16:14:13,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 363. [2024-11-08 16:14:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 363 states have (on average 1.3305785123966942) internal successors, (483), 362 states have internal predecessors, (483), 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 16:14:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 483 transitions. [2024-11-08 16:14:13,556 INFO L240 hiAutomatonCegarLoop]: Abstraction has 363 states and 483 transitions. [2024-11-08 16:14:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:14:13,561 INFO L425 stractBuchiCegarLoop]: Abstraction has 363 states and 483 transitions. [2024-11-08 16:14:13,561 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 16:14:13,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 363 states and 483 transitions. [2024-11-08 16:14:13,566 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 249 [2024-11-08 16:14:13,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:14:13,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:14:13,581 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:14:13,581 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] [2024-11-08 16:14:13,581 INFO L745 eck$LassoCheckResult]: Stem: 668#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 669#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 659#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 660#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 773#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 676#L880 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 677#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; 741#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 721#L318-2 [2024-11-08 16:14:13,582 INFO L747 eck$LassoCheckResult]: Loop: 721#L318-2 assume !false; 800#L319 assume test_~splverifierCounter~0#1 < 4; 764#L320 havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 765#L328 assume !(0 != test_~tmp~5#1); 742#L328-2 havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 704#L338 assume !(0 != test_~tmp___0~2#1); 705#L338-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 756#L348 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 707#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 708#L356-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 769#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 761#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 747#L74 assume !(0 != ~pumpRunning~0); 748#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 788#L132 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 701#L106-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 599#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 600#L106-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 614#L132-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 823#L81-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 719#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 690#L406 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 691#L406-1 havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 720#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 721#L318-2 [2024-11-08 16:14:13,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:14:13,583 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-08 16:14:13,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:14:13,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523849390] [2024-11-08 16:14:13,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:14:13,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:14:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:13,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:14:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:13,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:14:13,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:14:13,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1710801961, now seen corresponding path program 1 times [2024-11-08 16:14:13,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:14:13,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538091029] [2024-11-08 16:14:13,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:14:13,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:14:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:14:13,676 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 16:14:13,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:14:13,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538091029] [2024-11-08 16:14:13,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538091029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:14:13,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:14:13,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:14:13,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216622424] [2024-11-08 16:14:13,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:14:13,678 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 16:14:13,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:14:13,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:14:13,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:14:13,681 INFO L87 Difference]: Start difference. First operand 363 states and 483 transitions. cyclomatic complexity: 123 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:14:13,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:14:13,820 INFO L93 Difference]: Finished difference Result 505 states and 648 transitions. [2024-11-08 16:14:13,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 505 states and 648 transitions. [2024-11-08 16:14:13,826 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 355 [2024-11-08 16:14:13,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 505 states to 505 states and 648 transitions. [2024-11-08 16:14:13,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 505 [2024-11-08 16:14:13,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 505 [2024-11-08 16:14:13,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 505 states and 648 transitions. [2024-11-08 16:14:13,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:14:13,833 INFO L218 hiAutomatonCegarLoop]: Abstraction has 505 states and 648 transitions. [2024-11-08 16:14:13,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states and 648 transitions. [2024-11-08 16:14:13,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2024-11-08 16:14:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 505 states have (on average 1.2831683168316832) internal successors, (648), 504 states have internal predecessors, (648), 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 16:14:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 648 transitions. [2024-11-08 16:14:13,858 INFO L240 hiAutomatonCegarLoop]: Abstraction has 505 states and 648 transitions. [2024-11-08 16:14:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:14:13,859 INFO L425 stractBuchiCegarLoop]: Abstraction has 505 states and 648 transitions. [2024-11-08 16:14:13,861 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 16:14:13,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 505 states and 648 transitions. [2024-11-08 16:14:13,865 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 355 [2024-11-08 16:14:13,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:14:13,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:14:13,866 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:14:13,866 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 16:14:13,867 INFO L745 eck$LassoCheckResult]: Stem: 1540#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1541#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1531#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1532#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1662#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 1548#L880 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1549#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; 1630#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1601#L318-2 [2024-11-08 16:14:13,867 INFO L747 eck$LassoCheckResult]: Loop: 1601#L318-2 assume !false; 1698#L319 assume test_~splverifierCounter~0#1 < 4; 1708#L320 havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1770#L328 assume !(0 != test_~tmp~5#1); 1769#L328-2 havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1582#L338 assume !(0 != test_~tmp___0~2#1); 1584#L338-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1766#L348 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1587#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1588#L356-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1657#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 1650#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1631#L74 assume !(0 != ~pumpRunning~0); 1632#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1684#L132 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 1579#L106-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 1580#L1021-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 1563#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 1529#L252-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1530#L252-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1642#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 1648#L110-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1649#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1486#L106-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1487#L132-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1484#L81-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 1485#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 1564#L406 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 1565#L406-1 havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1600#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1601#L318-2 [2024-11-08 16:14:13,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:14:13,868 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-08 16:14:13,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:14:13,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688908745] [2024-11-08 16:14:13,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:14:13,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:14:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:13,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:14:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:13,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:14:13,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:14:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash 920154721, now seen corresponding path program 1 times [2024-11-08 16:14:13,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:14:13,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838788148] [2024-11-08 16:14:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:14:13,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:14:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:14:14,024 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 16:14:14,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:14:14,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838788148] [2024-11-08 16:14:14,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838788148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:14:14,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:14:14,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:14:14,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190959017] [2024-11-08 16:14:14,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:14:14,026 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 16:14:14,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:14:14,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:14:14,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:14:14,027 INFO L87 Difference]: Start difference. First operand 505 states and 648 transitions. cyclomatic complexity: 146 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 16:14:14,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:14:14,221 INFO L93 Difference]: Finished difference Result 1002 states and 1276 transitions. [2024-11-08 16:14:14,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1002 states and 1276 transitions. [2024-11-08 16:14:14,229 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 710 [2024-11-08 16:14:14,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1002 states to 1002 states and 1276 transitions. [2024-11-08 16:14:14,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1002 [2024-11-08 16:14:14,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1002 [2024-11-08 16:14:14,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1002 states and 1276 transitions. [2024-11-08 16:14:14,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:14:14,242 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1002 states and 1276 transitions. [2024-11-08 16:14:14,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states and 1276 transitions. [2024-11-08 16:14:14,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 996. [2024-11-08 16:14:14,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 996 states have (on average 1.2690763052208835) internal successors, (1264), 995 states have internal predecessors, (1264), 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 16:14:14,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1264 transitions. [2024-11-08 16:14:14,281 INFO L240 hiAutomatonCegarLoop]: Abstraction has 996 states and 1264 transitions. [2024-11-08 16:14:14,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:14:14,283 INFO L425 stractBuchiCegarLoop]: Abstraction has 996 states and 1264 transitions. [2024-11-08 16:14:14,283 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 16:14:14,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 996 states and 1264 transitions. [2024-11-08 16:14:14,290 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 706 [2024-11-08 16:14:14,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:14:14,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:14:14,292 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:14:14,292 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, 1, 1] [2024-11-08 16:14:14,292 INFO L745 eck$LassoCheckResult]: Stem: 3061#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3062#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 3052#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3053#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 3187#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 3068#L880 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 3069#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; 3149#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3233#L318-2 [2024-11-08 16:14:14,293 INFO L747 eck$LassoCheckResult]: Loop: 3233#L318-2 assume !false; 3469#L319 assume test_~splverifierCounter~0#1 < 4; 3468#L320 havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 3463#L328 assume !(0 != test_~tmp~5#1); 3148#L328-2 havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 3097#L338 assume !(0 != test_~tmp___0~2#1); 3098#L338-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 3164#L348 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3219#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 3184#L356-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 3544#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 3545#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3536#L74 assume !(0 != ~pumpRunning~0); 3534#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 3531#L132 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 3368#L106-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 3527#L1021-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 3380#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 3525#L252-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 3497#L252-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 3496#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 3493#L110-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3491#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 3486#L106-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3484#L132-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 3483#L81-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 3482#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 3481#L406 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 3480#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret24#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1; 3478#L410 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1); 3475#L406-1 havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3473#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3233#L318-2 [2024-11-08 16:14:14,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:14:14,293 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-08 16:14:14,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:14:14,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594198694] [2024-11-08 16:14:14,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:14:14,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:14:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:14,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:14:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:14,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:14:14,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:14:14,332 INFO L85 PathProgramCache]: Analyzing trace with hash -515577988, now seen corresponding path program 1 times [2024-11-08 16:14:14,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:14:14,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484693547] [2024-11-08 16:14:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:14:14,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:14:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:14,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:14:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:14,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:14:14,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:14:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash 80979557, now seen corresponding path program 1 times [2024-11-08 16:14:14,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:14:14,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310223343] [2024-11-08 16:14:14,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:14:14,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:14:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:14,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:14:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:14,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:14:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:15,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:14:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:14:15,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 04:14:15 BoogieIcfgContainer [2024-11-08 16:14:15,753 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 16:14:15,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:14:15,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:14:15,754 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:14:15,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:14:12" (3/4) ... [2024-11-08 16:14:15,757 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 16:14:15,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:14:15,848 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:14:15,849 INFO L158 Benchmark]: Toolchain (without parser) took 4590.90ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 140.7MB in the beginning and 168.7MB in the end (delta: -28.0MB). Peak memory consumption was 124.9MB. Max. memory is 16.1GB. [2024-11-08 16:14:15,849 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:14:15,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.18ms. Allocated memory is still 169.9MB. Free memory was 140.7MB in the beginning and 118.8MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 16:14:15,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.59ms. Allocated memory is still 169.9MB. Free memory was 118.8MB in the beginning and 115.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:14:15,850 INFO L158 Benchmark]: Boogie Preprocessor took 110.84ms. Allocated memory is still 169.9MB. Free memory was 115.5MB in the beginning and 137.9MB in the end (delta: -22.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:14:15,851 INFO L158 Benchmark]: RCFGBuilder took 767.74ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 105.2MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 16:14:15,851 INFO L158 Benchmark]: BuchiAutomizer took 2912.76ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 105.2MB in the beginning and 54.9MB in the end (delta: 50.3MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2024-11-08 16:14:15,852 INFO L158 Benchmark]: Witness Printer took 94.60ms. Allocated memory is still 205.5MB. Free memory was 54.9MB in the beginning and 168.7MB in the end (delta: -113.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-08 16:14:15,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.18ms. Allocated memory is still 169.9MB. Free memory was 140.7MB in the beginning and 118.8MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.59ms. Allocated memory is still 169.9MB. Free memory was 118.8MB in the beginning and 115.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.84ms. Allocated memory is still 169.9MB. Free memory was 115.5MB in the beginning and 137.9MB in the end (delta: -22.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 767.74ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 105.2MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2912.76ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 105.2MB in the beginning and 54.9MB in the end (delta: 50.3MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. * Witness Printer took 94.60ms. Allocated memory is still 205.5MB. Free memory was 54.9MB in the beginning and 168.7MB in the end (delta: -113.8MB). Peak memory consumption was 6.8MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 304]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [304] - GenericResultAtLocation [Line: 376]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [376] - GenericResultAtLocation [Line: 427]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [427] - GenericResultAtLocation [Line: 793]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [793] - GenericResultAtLocation [Line: 893]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] - GenericResultAtLocation [Line: 928]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [928] - GenericResultAtLocation [Line: 937]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [937] * 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 5 locations. The remainder module has 996 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 653 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 653 mSDsluCounter, 1942 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1146 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 796 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 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: 318]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L62] int pumpRunning = 0; [L63] int systemActive = 1; [L379] int switchedOnBeforeTS ; [L597] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L794] int cleanupTimeShifts = 4; [L938] int waterLevel = 1; [L939] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L871] int retValue_acc ; [L872] int tmp ; [L876] FCALL select_helpers() [L877] FCALL select_features() [L878] CALL, EXPR valid_product() [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L878] RET, EXPR valid_product() [L878] tmp = valid_product() [L880] COND TRUE \read(tmp) [L882] FCALL setup() [L883] CALL runTest() [L861] CALL __utac_acc__Specification5_spec__1() [L384] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L861] RET __utac_acc__Specification5_spec__1() [L862] CALL test() [L309] int splverifierCounter ; [L310] int tmp ; [L311] int tmp___0 ; [L312] int tmp___1 ; [L313] int tmp___2 ; [L316] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L318] COND TRUE 1 [L320] COND TRUE splverifierCounter < 4 [L326] tmp = __VERIFIER_nondet_int() [L328] COND FALSE !(\read(tmp)) [L336] tmp___0 = __VERIFIER_nondet_int() [L338] COND FALSE !(\read(tmp___0)) [L346] tmp___2 = __VERIFIER_nondet_int() [L348] COND TRUE \read(tmp___2) [L350] CALL startSystem() [L300] systemActive = 1 [L350] RET startSystem() [L365] CALL timeShift() [L72] CALL __utac_acc__Specification5_spec__2() [L393] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L393] RET, EXPR isPumpRunning() [L393] switchedOnBeforeTS = isPumpRunning() [L72] RET __utac_acc__Specification5_spec__2() [L74] COND FALSE !(\read(pumpRunning)) [L81] COND TRUE \read(systemActive) [L83] CALL processEnvironment() [L129] int tmp ; [L132] COND FALSE !(\read(pumpRunning)) [L147] CALL processEnvironment__wrappee__highWaterSensor() [L103] int tmp ; [L106] COND TRUE ! pumpRunning [L108] CALL, EXPR isHighWaterLevel() [L244] int retValue_acc ; [L245] int tmp ; [L246] int tmp___0 ; [L250] CALL, EXPR isHighWaterSensorDry() [L1018] int retValue_acc ; [L1021] COND TRUE waterLevel < 2 [L1022] retValue_acc = 1 [L1023] return (retValue_acc); [L250] RET, EXPR isHighWaterSensorDry() [L250] tmp = isHighWaterSensorDry() [L252] COND TRUE \read(tmp) [L253] tmp___0 = 0 [L257] retValue_acc = tmp___0 [L258] return (retValue_acc); [L108] RET, EXPR isHighWaterLevel() [L108] tmp = isHighWaterLevel() [L110] COND FALSE !(\read(tmp)) [L116] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment__wrappee__highWaterSensor() [L83] RET processEnvironment() [L89] CALL __utac_acc__Specification5_spec__3() [L399] int tmp ; [L400] int tmp___0 ; [L404] CALL, EXPR getWaterLevel() [L1009] int retValue_acc ; [L1012] retValue_acc = waterLevel [L1013] return (retValue_acc); [L404] RET, EXPR getWaterLevel() [L404] tmp = getWaterLevel() [L406] COND TRUE tmp != 2 [L408] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L408] RET, EXPR isPumpRunning() [L408] tmp___0 = isPumpRunning() [L410] COND FALSE !(\read(tmp___0)) [L89] RET __utac_acc__Specification5_spec__3() [L365] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 318]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L62] int pumpRunning = 0; [L63] int systemActive = 1; [L379] int switchedOnBeforeTS ; [L597] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L794] int cleanupTimeShifts = 4; [L938] int waterLevel = 1; [L939] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L871] int retValue_acc ; [L872] int tmp ; [L876] FCALL select_helpers() [L877] FCALL select_features() [L878] CALL, EXPR valid_product() [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L878] RET, EXPR valid_product() [L878] tmp = valid_product() [L880] COND TRUE \read(tmp) [L882] FCALL setup() [L883] CALL runTest() [L861] CALL __utac_acc__Specification5_spec__1() [L384] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L861] RET __utac_acc__Specification5_spec__1() [L862] CALL test() [L309] int splverifierCounter ; [L310] int tmp ; [L311] int tmp___0 ; [L312] int tmp___1 ; [L313] int tmp___2 ; [L316] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L318] COND TRUE 1 [L320] COND TRUE splverifierCounter < 4 [L326] tmp = __VERIFIER_nondet_int() [L328] COND FALSE !(\read(tmp)) [L336] tmp___0 = __VERIFIER_nondet_int() [L338] COND FALSE !(\read(tmp___0)) [L346] tmp___2 = __VERIFIER_nondet_int() [L348] COND TRUE \read(tmp___2) [L350] CALL startSystem() [L300] systemActive = 1 [L350] RET startSystem() [L365] CALL timeShift() [L72] CALL __utac_acc__Specification5_spec__2() [L393] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L393] RET, EXPR isPumpRunning() [L393] switchedOnBeforeTS = isPumpRunning() [L72] RET __utac_acc__Specification5_spec__2() [L74] COND FALSE !(\read(pumpRunning)) [L81] COND TRUE \read(systemActive) [L83] CALL processEnvironment() [L129] int tmp ; [L132] COND FALSE !(\read(pumpRunning)) [L147] CALL processEnvironment__wrappee__highWaterSensor() [L103] int tmp ; [L106] COND TRUE ! pumpRunning [L108] CALL, EXPR isHighWaterLevel() [L244] int retValue_acc ; [L245] int tmp ; [L246] int tmp___0 ; [L250] CALL, EXPR isHighWaterSensorDry() [L1018] int retValue_acc ; [L1021] COND TRUE waterLevel < 2 [L1022] retValue_acc = 1 [L1023] return (retValue_acc); [L250] RET, EXPR isHighWaterSensorDry() [L250] tmp = isHighWaterSensorDry() [L252] COND TRUE \read(tmp) [L253] tmp___0 = 0 [L257] retValue_acc = tmp___0 [L258] return (retValue_acc); [L108] RET, EXPR isHighWaterLevel() [L108] tmp = isHighWaterLevel() [L110] COND FALSE !(\read(tmp)) [L116] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment__wrappee__highWaterSensor() [L83] RET processEnvironment() [L89] CALL __utac_acc__Specification5_spec__3() [L399] int tmp ; [L400] int tmp___0 ; [L404] CALL, EXPR getWaterLevel() [L1009] int retValue_acc ; [L1012] retValue_acc = waterLevel [L1013] return (retValue_acc); [L404] RET, EXPR getWaterLevel() [L404] tmp = getWaterLevel() [L406] COND TRUE tmp != 2 [L408] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L408] RET, EXPR isPumpRunning() [L408] tmp___0 = isPumpRunning() [L410] COND FALSE !(\read(tmp___0)) [L89] RET __utac_acc__Specification5_spec__3() [L365] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 16:14:15,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c014aa0a-ec9f-45d1-af28-27a24ae71465/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)