./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/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_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/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_602baa58-e955-44d0-a2f3-3c9284300df3/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 0f3f23173af8ffbfd6ca2d826b937f078be2c112e64596739bc9740bb061a5d2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:27:37,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:27:37,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 17:27:37,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:27:37,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:27:38,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:27:38,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:27:38,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:27:38,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:27:38,037 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:27:38,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:27:38,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:27:38,039 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:27:38,041 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 17:27:38,042 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 17:27:38,042 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 17:27:38,042 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 17:27:38,043 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 17:27:38,043 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 17:27:38,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:27:38,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 17:27:38,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:27:38,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:27:38,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:27:38,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:27:38,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 17:27:38,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 17:27:38,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 17:27:38,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:27:38,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:27:38,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:27:38,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:27:38,051 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 17:27:38,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:27:38,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:27:38,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:27:38,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:27:38,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:27:38,055 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 17:27:38,056 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_602baa58-e955-44d0-a2f3-3c9284300df3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3f23173af8ffbfd6ca2d826b937f078be2c112e64596739bc9740bb061a5d2 [2024-11-08 17:27:38,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:27:38,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:27:38,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:27:38,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:27:38,399 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:27:38,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c Unable to find full path for "g++" [2024-11-08 17:27:40,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:27:40,761 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:27:40,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2024-11-08 17:27:40,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/data/f70fe4cba/8dc8d3ddb0d942779fff1bcbc88f08d0/FLAG37fa7fd6c [2024-11-08 17:27:40,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/data/f70fe4cba/8dc8d3ddb0d942779fff1bcbc88f08d0 [2024-11-08 17:27:40,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:27:40,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:27:40,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:40,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:27:40,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:27:40,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:40" (1/1) ... [2024-11-08 17:27:40,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211f8be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:40, skipping insertion in model container [2024-11-08 17:27:40,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:40" (1/1) ... [2024-11-08 17:27:40,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:27:41,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:41,242 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:27:41,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-08 17:27:41,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153] [2024-11-08 17:27:41,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [162] [2024-11-08 17:27:41,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [190] [2024-11-08 17:27:41,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] [2024-11-08 17:27:41,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [531] [2024-11-08 17:27:41,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [897] [2024-11-08 17:27:41,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1000] [2024-11-08 17:27:41,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:41,386 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:27:41,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41 WrapperNode [2024-11-08 17:27:41,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:41,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:41,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:27:41,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:27:41,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,465 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 61, calls inlined = 179, statements flattened = 1211 [2024-11-08 17:27:41,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:41,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:27:41,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:27:41,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:27:41,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,518 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:27:41,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:27:41,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:27:41,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:27:41,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:27:41,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (1/1) ... [2024-11-08 17:27:41,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:27:41,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:27:41,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:27:41,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 17:27:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:27:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:27:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:27:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:27:41,803 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:27:41,809 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:27:43,010 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live. [2024-11-08 17:27:43,010 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:27:43,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:27:43,047 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:27:43,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:43 BoogieIcfgContainer [2024-11-08 17:27:43,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:27:43,049 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 17:27:43,049 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 17:27:43,056 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 17:27:43,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:27:43,058 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 05:27:40" (1/3) ... [2024-11-08 17:27:43,060 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d7f0cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:27:43, skipping insertion in model container [2024-11-08 17:27:43,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:27:43,061 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:41" (2/3) ... [2024-11-08 17:27:43,062 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d7f0cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:27:43, skipping insertion in model container [2024-11-08 17:27:43,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:27:43,062 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:43" (3/3) ... [2024-11-08 17:27:43,064 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2024-11-08 17:27:43,143 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 17:27:43,143 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 17:27:43,144 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 17:27:43,144 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 17:27:43,144 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 17:27:43,144 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 17:27:43,145 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 17:27:43,145 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 17:27:43,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:43,207 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 215 [2024-11-08 17:27:43,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:27:43,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:27:43,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:43,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:43,221 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 17:27:43,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:43,246 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 215 [2024-11-08 17:27:43,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:27:43,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:27:43,248 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:43,248 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:43,255 INFO L745 eck$LassoCheckResult]: Stem: 188#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 207#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 33#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 292#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 108#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 70#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 88#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 246#L203-2true [2024-11-08 17:27:43,256 INFO L747 eck$LassoCheckResult]: Loop: 246#L203-2true assume !false; 129#L204true assume test_~splverifierCounter~0#1 < 4; 95#L205true havoc test_#t~nondet7#1;test_~tmp~2#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 144#L213true assume !(0 != test_~tmp~2#1); 164#L213-2true havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 82#L223true assume !(0 != test_~tmp___0~1#1); 227#L223-2true havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 81#L233true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 40#L241true assume !(0 != test_~tmp___1~0#1); 71#L241-2true assume { :begin_inline_timeShift } true; 3#L276true assume !(0 != ~pumpRunning~0); 125#L276-2true assume !(0 != ~systemActive~0); 91#L283-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 236#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 72#L173true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 136#L173-1true havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 237#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 246#L203-2true [2024-11-08 17:27:43,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:43,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 17:27:43,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:43,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371686531] [2024-11-08 17:27:43,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:43,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:43,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:43,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:43,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:43,491 INFO L85 PathProgramCache]: Analyzing trace with hash -796412720, now seen corresponding path program 1 times [2024-11-08 17:27:43,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:43,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268585607] [2024-11-08 17:27:43,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:43,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:43,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:43,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:43,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:43,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1728094324, now seen corresponding path program 1 times [2024-11-08 17:27:43,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:43,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407070535] [2024-11-08 17:27:43,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:43,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:43,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:43,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:43,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407070535] [2024-11-08 17:27:43,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407070535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:43,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:43,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:27:43,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956907958] [2024-11-08 17:27:43,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:43,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:44,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:27:44,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:27:44,008 INFO L87 Difference]: Start difference. First operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:44,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:44,248 INFO L93 Difference]: Finished difference Result 696 states and 918 transitions. [2024-11-08 17:27:44,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 696 states and 918 transitions. [2024-11-08 17:27:44,266 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 459 [2024-11-08 17:27:44,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 696 states to 666 states and 888 transitions. [2024-11-08 17:27:44,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 666 [2024-11-08 17:27:44,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 666 [2024-11-08 17:27:44,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 666 states and 888 transitions. [2024-11-08 17:27:44,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:27:44,287 INFO L218 hiAutomatonCegarLoop]: Abstraction has 666 states and 888 transitions. [2024-11-08 17:27:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states and 888 transitions. [2024-11-08 17:27:44,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 362. [2024-11-08 17:27:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 362 states have (on average 1.3314917127071824) internal successors, (482), 361 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 482 transitions. [2024-11-08 17:27:44,360 INFO L240 hiAutomatonCegarLoop]: Abstraction has 362 states and 482 transitions. [2024-11-08 17:27:44,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:27:44,370 INFO L425 stractBuchiCegarLoop]: Abstraction has 362 states and 482 transitions. [2024-11-08 17:27:44,370 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 17:27:44,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 362 states and 482 transitions. [2024-11-08 17:27:44,375 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 249 [2024-11-08 17:27:44,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:27:44,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:27:44,376 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:44,376 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:44,376 INFO L745 eck$LassoCheckResult]: Stem: 1298#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1299#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1106#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1107#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1221#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1168#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1169#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1195#L203-2 [2024-11-08 17:27:44,377 INFO L747 eck$LassoCheckResult]: Loop: 1195#L203-2 assume !false; 1248#L204 assume test_~splverifierCounter~0#1 < 4; 1204#L205 havoc test_#t~nondet7#1;test_~tmp~2#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1205#L213 assume !(0 != test_~tmp~2#1); 1263#L213-2 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1186#L223 assume !(0 != test_~tmp___0~1#1); 1084#L223-2 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1185#L233 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1160#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1118#L241-2 assume { :begin_inline_timeShift } true; 1043#L276 assume !(0 != ~pumpRunning~0); 1044#L276-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1074#L360 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret15#1, isMethaneAlarm_~retValue_acc~1#1;havoc isMethaneAlarm_~retValue_acc~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1076#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret15#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~1#1 := isMethaneAlarm_#t~ret15#1;havoc isMethaneAlarm_#t~ret15#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; 1345#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret13#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret15#1, isMethaneAlarm_~retValue_acc~1#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret13#1;havoc processEnvironment_#t~ret13#1; 1346#L364 assume 0 != processEnvironment_~tmp~5#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1191#deactivatePump_returnLabel#2 assume { :end_inline_deactivatePump } true; 1192#L360-1 havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1200#L283-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1201#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 1170#L173 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 1172#L173-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1255#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1195#L203-2 [2024-11-08 17:27:44,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:44,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 17:27:44,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:44,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072539186] [2024-11-08 17:27:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:44,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:44,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:44,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:44,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:44,419 INFO L85 PathProgramCache]: Analyzing trace with hash 292475211, now seen corresponding path program 1 times [2024-11-08 17:27:44,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:44,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586164800] [2024-11-08 17:27:44,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:44,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:44,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586164800] [2024-11-08 17:27:44,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586164800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:44,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:44,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:27:44,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137055715] [2024-11-08 17:27:44,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:44,466 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 17:27:44,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:44,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:44,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:44,467 INFO L87 Difference]: Start difference. First operand 362 states and 482 transitions. cyclomatic complexity: 123 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:44,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:44,621 INFO L93 Difference]: Finished difference Result 365 states and 459 transitions. [2024-11-08 17:27:44,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 365 states and 459 transitions. [2024-11-08 17:27:44,628 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 257 [2024-11-08 17:27:44,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 365 states to 365 states and 459 transitions. [2024-11-08 17:27:44,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 365 [2024-11-08 17:27:44,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 365 [2024-11-08 17:27:44,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 365 states and 459 transitions. [2024-11-08 17:27:44,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:27:44,638 INFO L218 hiAutomatonCegarLoop]: Abstraction has 365 states and 459 transitions. [2024-11-08 17:27:44,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states and 459 transitions. [2024-11-08 17:27:44,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-11-08 17:27:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 365 states have (on average 1.2575342465753425) internal successors, (459), 364 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 459 transitions. [2024-11-08 17:27:44,685 INFO L240 hiAutomatonCegarLoop]: Abstraction has 365 states and 459 transitions. [2024-11-08 17:27:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:44,693 INFO L425 stractBuchiCegarLoop]: Abstraction has 365 states and 459 transitions. [2024-11-08 17:27:44,694 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 17:27:44,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 365 states and 459 transitions. [2024-11-08 17:27:44,697 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 257 [2024-11-08 17:27:44,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:27:44,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:27:44,698 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:44,698 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 17:27:44,698 INFO L745 eck$LassoCheckResult]: Stem: 1982#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1983#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1821#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1822#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1918#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1873#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1874#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1895#L203-2 [2024-11-08 17:27:44,699 INFO L747 eck$LassoCheckResult]: Loop: 1895#L203-2 assume !false; 2025#L204 assume test_~splverifierCounter~0#1 < 4; 2124#L205 havoc test_#t~nondet7#1;test_~tmp~2#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 2136#L213 assume !(0 != test_~tmp~2#1); 2134#L213-2 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 2132#L223 assume !(0 != test_~tmp___0~1#1); 2130#L223-2 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 2129#L233 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 2128#L241 assume !(0 != test_~tmp___1~0#1); 1862#L241-2 assume { :begin_inline_timeShift } true; 2127#L276 assume !(0 != ~pumpRunning~0); 1934#L276-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1799#L360 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1800#L334-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 2009#L308-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~3#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 1849#L981-3 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~10#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 1850#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 1977#L479-9 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1945#L479-11 isHighWaterLevel_~retValue_acc~3#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; 1946#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret11#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret11#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1; 2003#L312-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1936#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 1828#L308-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1907#L334-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1892#L360-1 havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 2031#L283-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 2126#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 2125#L173 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 1943#L173-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1944#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1895#L203-2 [2024-11-08 17:27:44,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:44,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-08 17:27:44,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:44,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50438009] [2024-11-08 17:27:44,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:44,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:44,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:44,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:44,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:44,757 INFO L85 PathProgramCache]: Analyzing trace with hash 309961020, now seen corresponding path program 1 times [2024-11-08 17:27:44,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:44,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128523756] [2024-11-08 17:27:44,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:44,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:44,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:44,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128523756] [2024-11-08 17:27:44,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128523756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:44,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:44,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:27:44,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096028040] [2024-11-08 17:27:44,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:44,904 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 17:27:44,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:44,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:27:44,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:27:44,906 INFO L87 Difference]: Start difference. First operand 365 states and 459 transitions. cyclomatic complexity: 97 Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 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 17:27:45,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:45,091 INFO L93 Difference]: Finished difference Result 383 states and 477 transitions. [2024-11-08 17:27:45,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 477 transitions. [2024-11-08 17:27:45,095 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 269 [2024-11-08 17:27:45,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 383 states and 477 transitions. [2024-11-08 17:27:45,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 383 [2024-11-08 17:27:45,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 383 [2024-11-08 17:27:45,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 383 states and 477 transitions. [2024-11-08 17:27:45,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:27:45,100 INFO L218 hiAutomatonCegarLoop]: Abstraction has 383 states and 477 transitions. [2024-11-08 17:27:45,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states and 477 transitions. [2024-11-08 17:27:45,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2024-11-08 17:27:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 383 states have (on average 1.2454308093994777) internal successors, (477), 382 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 477 transitions. [2024-11-08 17:27:45,126 INFO L240 hiAutomatonCegarLoop]: Abstraction has 383 states and 477 transitions. [2024-11-08 17:27:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:27:45,127 INFO L425 stractBuchiCegarLoop]: Abstraction has 383 states and 477 transitions. [2024-11-08 17:27:45,127 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 17:27:45,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states and 477 transitions. [2024-11-08 17:27:45,130 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 269 [2024-11-08 17:27:45,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:27:45,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:27:45,133 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:45,133 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 17:27:45,134 INFO L745 eck$LassoCheckResult]: Stem: 2736#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 2737#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 2574#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2575#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 2670#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 2626#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 2627#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2650#L203-2 [2024-11-08 17:27:45,134 INFO L747 eck$LassoCheckResult]: Loop: 2650#L203-2 assume !false; 2902#L204 assume test_~splverifierCounter~0#1 < 4; 2901#L205 havoc test_#t~nondet7#1;test_~tmp~2#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 2899#L213 assume !(0 != test_~tmp~2#1); 2897#L213-2 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 2895#L223 assume !(0 != test_~tmp___0~1#1); 2893#L223-2 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 2892#L233 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2617#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 2618#L241-2 assume { :begin_inline_timeShift } true; 2531#L276 assume !(0 != ~pumpRunning~0); 2532#L276-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2551#L360 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 2552#L334-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 2761#L308-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~3#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 2604#L981-3 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~10#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 2605#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 2734#L479-9 assume !(0 != isHighWaterLevel_~tmp~7#1);isHighWaterLevel_~tmp___0~2#1 := 1; 2699#L479-11 isHighWaterLevel_~retValue_acc~3#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; 2700#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret11#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret11#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1; 2757#L312-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2691#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 2580#L308-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2662#L334-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2646#L360-1 havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 2785#L283-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 2908#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 2906#L173 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 2904#L173-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 2903#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2650#L203-2 [2024-11-08 17:27:45,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:45,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-11-08 17:27:45,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:45,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902912128] [2024-11-08 17:27:45,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:45,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:45,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:45,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:45,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:45,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1364339212, now seen corresponding path program 1 times [2024-11-08 17:27:45,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:45,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761868627] [2024-11-08 17:27:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:45,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:45,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761868627] [2024-11-08 17:27:45,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761868627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:45,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:45,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:27:45,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277100464] [2024-11-08 17:27:45,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:45,288 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 17:27:45,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:45,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:27:45,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:27:45,289 INFO L87 Difference]: Start difference. First operand 383 states and 477 transitions. cyclomatic complexity: 97 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 17:27:45,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:45,529 INFO L93 Difference]: Finished difference Result 410 states and 504 transitions. [2024-11-08 17:27:45,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 410 states and 504 transitions. [2024-11-08 17:27:45,532 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 287 [2024-11-08 17:27:45,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 410 states to 410 states and 504 transitions. [2024-11-08 17:27:45,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 410 [2024-11-08 17:27:45,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 410 [2024-11-08 17:27:45,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 410 states and 504 transitions. [2024-11-08 17:27:45,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:27:45,538 INFO L218 hiAutomatonCegarLoop]: Abstraction has 410 states and 504 transitions. [2024-11-08 17:27:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states and 504 transitions. [2024-11-08 17:27:45,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2024-11-08 17:27:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 410 states have (on average 1.2292682926829268) internal successors, (504), 409 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:45,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 504 transitions. [2024-11-08 17:27:45,551 INFO L240 hiAutomatonCegarLoop]: Abstraction has 410 states and 504 transitions. [2024-11-08 17:27:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:27:45,554 INFO L425 stractBuchiCegarLoop]: Abstraction has 410 states and 504 transitions. [2024-11-08 17:27:45,554 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-08 17:27:45,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 410 states and 504 transitions. [2024-11-08 17:27:45,557 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 287 [2024-11-08 17:27:45,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:27:45,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:27:45,561 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:45,561 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 17:27:45,562 INFO L745 eck$LassoCheckResult]: Stem: 3538#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3539#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 3377#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3378#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 3473#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 3430#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 3431#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3451#L203-2 [2024-11-08 17:27:45,563 INFO L747 eck$LassoCheckResult]: Loop: 3451#L203-2 assume !false; 3705#L204 assume test_~splverifierCounter~0#1 < 4; 3706#L205 havoc test_#t~nondet7#1;test_~tmp~2#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 3720#L213 assume !(0 != test_~tmp~2#1); 3718#L213-2 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 3716#L223 assume !(0 != test_~tmp___0~1#1); 3574#L223-2 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 3439#L233 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 3385#L241 assume !(0 != test_~tmp___1~0#1); 3386#L241-2 assume { :begin_inline_timeShift } true; 3712#L276 assume !(0 != ~pumpRunning~0); 3611#L276-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 3355#L360 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 3356#L334-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 3568#L308-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~3#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 3406#L981-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 3408#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 3675#L479-9 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 3501#L479-11 isHighWaterLevel_~retValue_acc~3#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; 3502#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret11#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret11#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1; 3561#L312-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3493#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 3384#L308-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3463#L334-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3447#L360-1 havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 3590#L283-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 3710#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 3709#L173 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 3708#L173-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 3707#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3451#L203-2 [2024-11-08 17:27:45,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:45,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 5 times [2024-11-08 17:27:45,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:45,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441882649] [2024-11-08 17:27:45,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:45,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:45,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:45,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:45,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:45,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1589824698, now seen corresponding path program 1 times [2024-11-08 17:27:45,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:45,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466013917] [2024-11-08 17:27:45,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:45,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:45,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:45,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:45,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1987015550, now seen corresponding path program 1 times [2024-11-08 17:27:45,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:45,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222389652] [2024-11-08 17:27:45,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:45,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:45,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:46,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:46,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 05:27:46 BoogieIcfgContainer [2024-11-08 17:27:46,990 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 17:27:46,991 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:27:46,991 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:27:46,991 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:27:46,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:43" (3/4) ... [2024-11-08 17:27:46,994 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 17:27:47,093 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:27:47,093 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:27:47,094 INFO L158 Benchmark]: Toolchain (without parser) took 6294.32ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 134.6MB in the beginning and 120.4MB in the end (delta: 14.1MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2024-11-08 17:27:47,095 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 169.9MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:47,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.87ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 112.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 17:27:47,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.24ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 107.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:27:47,098 INFO L158 Benchmark]: Boogie Preprocessor took 100.96ms. Allocated memory is still 169.9MB. Free memory was 107.3MB in the beginning and 101.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:27:47,099 INFO L158 Benchmark]: RCFGBuilder took 1479.86ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 101.5MB in the beginning and 171.7MB in the end (delta: -70.3MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-08 17:27:47,099 INFO L158 Benchmark]: BuchiAutomizer took 3940.82ms. Allocated memory is still 220.2MB. Free memory was 171.7MB in the beginning and 123.6MB in the end (delta: 48.2MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:47,100 INFO L158 Benchmark]: Witness Printer took 102.50ms. Allocated memory is still 220.2MB. Free memory was 123.6MB in the beginning and 120.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:27:47,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 169.9MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.87ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 112.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.24ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 107.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.96ms. Allocated memory is still 169.9MB. Free memory was 107.3MB in the beginning and 101.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1479.86ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 101.5MB in the beginning and 171.7MB in the end (delta: -70.3MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3940.82ms. Allocated memory is still 220.2MB. Free memory was 171.7MB in the beginning and 123.6MB in the end (delta: 48.2MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Witness Printer took 102.50ms. Allocated memory is still 220.2MB. Free memory was 123.6MB in the beginning and 120.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [162] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [190] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] - GenericResultAtLocation [Line: 531]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [531] - GenericResultAtLocation [Line: 897]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [897] - GenericResultAtLocation [Line: 1000]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1000] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 410 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.4s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 304 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1043 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1043 mSDsluCounter, 4231 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2892 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 378 IncrementalHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 1339 mSDtfsCounter, 378 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 203]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L269] int pumpRunning = 0; [L270] int systemActive = 1; [L701] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L898] int waterLevel = 1; [L899] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L1027] int retValue_acc ; [L1030] retValue_acc = 1 [L1031] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L194] int splverifierCounter ; [L195] int tmp ; [L196] int tmp___0 ; [L197] int tmp___1 ; [L198] int tmp___2 ; [L201] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L203] COND TRUE 1 [L205] COND TRUE splverifierCounter < 4 [L211] tmp = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp)) [L221] tmp___0 = __VERIFIER_nondet_int() [L223] COND FALSE !(\read(tmp___0)) [L231] tmp___2 = __VERIFIER_nondet_int() [L233] COND FALSE !(\read(tmp___2)) [L239] tmp___1 = __VERIFIER_nondet_int() [L241] COND FALSE !(\read(tmp___1)) [L250] CALL timeShift() [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L285] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__methaneQuery() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] CALL processEnvironment__wrappee__highWaterSensor() [L305] int tmp ; [L308] COND TRUE ! pumpRunning [L310] CALL, EXPR isHighWaterLevel() [L471] int retValue_acc ; [L472] int tmp ; [L473] int tmp___0 ; [L477] CALL, EXPR isHighWaterSensorDry() [L978] int retValue_acc ; [L981] COND TRUE waterLevel < 2 [L982] retValue_acc = 1 [L983] return (retValue_acc); [L477] RET, EXPR isHighWaterSensorDry() [L477] tmp = isHighWaterSensorDry() [L479] COND TRUE \read(tmp) [L480] tmp___0 = 0 [L484] retValue_acc = tmp___0 [L485] return (retValue_acc); [L310] RET, EXPR isHighWaterLevel() [L310] tmp = isHighWaterLevel() [L312] COND FALSE !(\read(tmp)) [L318] FCALL processEnvironment__wrappee__base() [L349] RET processEnvironment__wrappee__highWaterSensor() [L375] RET processEnvironment__wrappee__methaneQuery() [L285] RET processEnvironment() [L291] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L969] int retValue_acc ; [L972] retValue_acc = waterLevel [L973] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L291] RET __utac_acc__Specification4_spec__1() [L250] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 203]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L269] int pumpRunning = 0; [L270] int systemActive = 1; [L701] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L898] int waterLevel = 1; [L899] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L1027] int retValue_acc ; [L1030] retValue_acc = 1 [L1031] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L194] int splverifierCounter ; [L195] int tmp ; [L196] int tmp___0 ; [L197] int tmp___1 ; [L198] int tmp___2 ; [L201] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L203] COND TRUE 1 [L205] COND TRUE splverifierCounter < 4 [L211] tmp = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp)) [L221] tmp___0 = __VERIFIER_nondet_int() [L223] COND FALSE !(\read(tmp___0)) [L231] tmp___2 = __VERIFIER_nondet_int() [L233] COND FALSE !(\read(tmp___2)) [L239] tmp___1 = __VERIFIER_nondet_int() [L241] COND FALSE !(\read(tmp___1)) [L250] CALL timeShift() [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L285] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__methaneQuery() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] CALL processEnvironment__wrappee__highWaterSensor() [L305] int tmp ; [L308] COND TRUE ! pumpRunning [L310] CALL, EXPR isHighWaterLevel() [L471] int retValue_acc ; [L472] int tmp ; [L473] int tmp___0 ; [L477] CALL, EXPR isHighWaterSensorDry() [L978] int retValue_acc ; [L981] COND TRUE waterLevel < 2 [L982] retValue_acc = 1 [L983] return (retValue_acc); [L477] RET, EXPR isHighWaterSensorDry() [L477] tmp = isHighWaterSensorDry() [L479] COND TRUE \read(tmp) [L480] tmp___0 = 0 [L484] retValue_acc = tmp___0 [L485] return (retValue_acc); [L310] RET, EXPR isHighWaterLevel() [L310] tmp = isHighWaterLevel() [L312] COND FALSE !(\read(tmp)) [L318] FCALL processEnvironment__wrappee__base() [L349] RET processEnvironment__wrappee__highWaterSensor() [L375] RET processEnvironment__wrappee__methaneQuery() [L285] RET processEnvironment() [L291] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L969] int retValue_acc ; [L972] retValue_acc = waterLevel [L973] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L291] RET __utac_acc__Specification4_spec__1() [L250] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 17:27:47,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602baa58-e955-44d0-a2f3-3c9284300df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)