./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme --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 242c9b24ea8c293cca4af0028144a97f9048375edcd4379fb21e62564563d3d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:46:29,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:46:29,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:46:29,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:46:29,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:46:29,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:46:29,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:46:29,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:46:29,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:46:29,308 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:46:29,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:46:29,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:46:29,311 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:46:29,312 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:46:29,312 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:46:29,313 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:46:29,313 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:46:29,314 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:46:29,315 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:46:29,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:46:29,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:46:29,316 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:46:29,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:46:29,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:46:29,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:46:29,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:46:29,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:46:29,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:46:29,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:46:29,335 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:46:29,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:46:29,337 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:46:29,337 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:46:29,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:46:29,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:46:29,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:46:29,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:46:29,339 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:46:29,339 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_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 242c9b24ea8c293cca4af0028144a97f9048375edcd4379fb21e62564563d3d5 [2023-11-26 11:46:29,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:46:29,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:46:29,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:46:29,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:46:29,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:46:29,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2023-11-26 11:46:32,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:46:33,184 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:46:33,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2023-11-26 11:46:33,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/data/4d477b60c/9ffa45644f1c4a36b6e04badf4e3e3af/FLAGd2c19dbb8 [2023-11-26 11:46:33,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/data/4d477b60c/9ffa45644f1c4a36b6e04badf4e3e3af [2023-11-26 11:46:33,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:46:33,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:46:33,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:33,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:46:33,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:46:33,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd2fdc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33, skipping insertion in model container [2023-11-26 11:46:33,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,287 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:46:33,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:33,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:46:33,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-26 11:46:33,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2023-11-26 11:46:33,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [343] [2023-11-26 11:46:33,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [383] [2023-11-26 11:46:33,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [421] [2023-11-26 11:46:33,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [525] [2023-11-26 11:46:33,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [622] [2023-11-26 11:46:33,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [631] [2023-11-26 11:46:33,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:33,757 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:46:33,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33 WrapperNode [2023-11-26 11:46:33,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:33,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:33,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:46:33,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:46:33,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,873 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 83, statements flattened = 572 [2023-11-26 11:46:33,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:33,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:46:33,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:46:33,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:46:33,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,922 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:46:33,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:46:33,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:46:33,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:46:33,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:46:33,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (1/1) ... [2023-11-26 11:46:33,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:33,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:33,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:34,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:46:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:46:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:46:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:46:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:46:34,114 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:46:34,116 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:46:34,660 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:46:34,675 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:46:34,675 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:46:34,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:34 BoogieIcfgContainer [2023-11-26 11:46:34,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:46:34,684 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:46:34,685 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:46:34,689 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:46:34,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:46:34,690 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:46:33" (1/3) ... [2023-11-26 11:46:34,691 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fd3bb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:46:34, skipping insertion in model container [2023-11-26 11:46:34,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:46:34,691 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:33" (2/3) ... [2023-11-26 11:46:34,692 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fd3bb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:46:34, skipping insertion in model container [2023-11-26 11:46:34,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:46:34,692 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:34" (3/3) ... [2023-11-26 11:46:34,693 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2023-11-26 11:46:34,752 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:46:34,752 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:46:34,752 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:46:34,752 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:46:34,752 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:46:34,753 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:46:34,753 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:46:34,753 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:46:34,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 172 states have (on average 1.377906976744186) internal successors, (237), 172 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:34,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2023-11-26 11:46:34,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:34,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:34,797 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:34,797 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:34,798 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:46:34,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 172 states have (on average 1.377906976744186) internal successors, (237), 172 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:34,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2023-11-26 11:46:34,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:34,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:34,812 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:34,812 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:34,818 INFO L748 eck$LassoCheckResult]: Stem: 41#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 56#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 34#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 140#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 120#valid_product_returnLabel#1true main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 103#L609true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 91#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 138#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 52#L65-2true [2023-11-26 11:46:34,819 INFO L750 eck$LassoCheckResult]: Loop: 52#L65-2true assume !false; 44#L66true assume test_~splverifierCounter~0#1 < 4; 159#L67true havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 82#L75true assume !(0 != test_~tmp~0#1); 157#L75-2true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 45#L85true assume !(0 != test_~tmp___0~0#1); 8#L85-2true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 118#L95true assume 0 != test_~tmp___2~0#1; 113#L101-2true assume { :begin_inline_timeShift } true; 40#L139true assume !(0 != ~pumpRunning~0); 28#L139-2true assume !(0 != ~systemActive~0); 30#L146-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 163#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret21#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret21#1;havoc __utac_acc__Specification2_spec__2_#t~ret21#1; 166#L362true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 36#L362-1true havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 83#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 52#L65-2true [2023-11-26 11:46:34,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:34,824 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-26 11:46:34,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:34,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079091665] [2023-11-26 11:46:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:34,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:34,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:34,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:34,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:34,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1250868372, now seen corresponding path program 1 times [2023-11-26 11:46:34,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:34,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117796583] [2023-11-26 11:46:34,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:34,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:35,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:35,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:35,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:35,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1413155755, now seen corresponding path program 1 times [2023-11-26 11:46:35,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:35,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402173194] [2023-11-26 11:46:35,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:35,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:35,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:35,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:35,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402173194] [2023-11-26 11:46:35,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402173194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:35,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:35,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:46:35,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926394740] [2023-11-26 11:46:35,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:35,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:35,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:46:35,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:46:35,580 INFO L87 Difference]: Start difference. First operand has 173 states, 172 states have (on average 1.377906976744186) internal successors, (237), 172 states have internal predecessors, (237), 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) [2023-11-26 11:46:35,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:35,861 INFO L93 Difference]: Finished difference Result 393 states and 522 transitions. [2023-11-26 11:46:35,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 393 states and 522 transitions. [2023-11-26 11:46:35,883 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 253 [2023-11-26 11:46:35,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 393 states to 363 states and 492 transitions. [2023-11-26 11:46:35,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 363 [2023-11-26 11:46:35,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 363 [2023-11-26 11:46:35,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 363 states and 492 transitions. [2023-11-26 11:46:35,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:35,901 INFO L218 hiAutomatonCegarLoop]: Abstraction has 363 states and 492 transitions. [2023-11-26 11:46:35,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states and 492 transitions. [2023-11-26 11:46:35,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 212. [2023-11-26 11:46:35,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 212 states have (on average 1.3537735849056605) internal successors, (287), 211 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 287 transitions. [2023-11-26 11:46:35,948 INFO L240 hiAutomatonCegarLoop]: Abstraction has 212 states and 287 transitions. [2023-11-26 11:46:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:46:35,954 INFO L428 stractBuchiCegarLoop]: Abstraction has 212 states and 287 transitions. [2023-11-26 11:46:35,954 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:46:35,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 212 states and 287 transitions. [2023-11-26 11:46:35,957 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2023-11-26 11:46:35,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:35,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:35,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:35,959 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] [2023-11-26 11:46:35,959 INFO L748 eck$LassoCheckResult]: Stem: 648#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 649#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 638#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 639#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 726#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 711#L609 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 699#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 700#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 667#L65-2 [2023-11-26 11:46:35,960 INFO L750 eck$LassoCheckResult]: Loop: 667#L65-2 assume !false; 654#L66 assume test_~splverifierCounter~0#1 < 4; 655#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 692#L75 assume !(0 != test_~tmp~0#1); 693#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 657#L85 assume !(0 != test_~tmp___0~0#1); 592#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 593#L95 assume 0 != test_~tmp___2~0#1; 720#L101-2 assume { :begin_inline_timeShift } true; 646#L139 assume !(0 != ~pumpRunning~0); 628#L139-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 629#L197 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 708#L171-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 588#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 589#L171-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 613#L197-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 614#L146-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 631#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret21#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret21#1;havoc __utac_acc__Specification2_spec__2_#t~ret21#1; 740#L362 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 623#L362-1 havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 640#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 667#L65-2 [2023-11-26 11:46:35,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:35,961 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-26 11:46:35,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:35,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151933236] [2023-11-26 11:46:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:35,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:35,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:35,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:35,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:35,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1497846808, now seen corresponding path program 1 times [2023-11-26 11:46:35,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:35,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738232218] [2023-11-26 11:46:35,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:35,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:36,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:36,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738232218] [2023-11-26 11:46:36,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738232218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:36,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:36,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:46:36,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542423354] [2023-11-26 11:46:36,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:36,026 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:46:36,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:36,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:36,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:36,028 INFO L87 Difference]: Start difference. First operand 212 states and 287 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:36,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:36,133 INFO L93 Difference]: Finished difference Result 265 states and 344 transitions. [2023-11-26 11:46:36,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 344 transitions. [2023-11-26 11:46:36,139 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2023-11-26 11:46:36,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 265 states and 344 transitions. [2023-11-26 11:46:36,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 265 [2023-11-26 11:46:36,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 265 [2023-11-26 11:46:36,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 265 states and 344 transitions. [2023-11-26 11:46:36,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:36,159 INFO L218 hiAutomatonCegarLoop]: Abstraction has 265 states and 344 transitions. [2023-11-26 11:46:36,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states and 344 transitions. [2023-11-26 11:46:36,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2023-11-26 11:46:36,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 265 states have (on average 1.2981132075471697) internal successors, (344), 264 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 344 transitions. [2023-11-26 11:46:36,193 INFO L240 hiAutomatonCegarLoop]: Abstraction has 265 states and 344 transitions. [2023-11-26 11:46:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:36,200 INFO L428 stractBuchiCegarLoop]: Abstraction has 265 states and 344 transitions. [2023-11-26 11:46:36,200 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:46:36,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 265 states and 344 transitions. [2023-11-26 11:46:36,205 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2023-11-26 11:46:36,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:36,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:36,209 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:36,209 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] [2023-11-26 11:46:36,210 INFO L748 eck$LassoCheckResult]: Stem: 1129#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1121#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1122#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1215#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 1199#L609 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1185#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1186#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1179#L65-2 [2023-11-26 11:46:36,211 INFO L750 eck$LassoCheckResult]: Loop: 1179#L65-2 assume !false; 1294#L66 assume test_~splverifierCounter~0#1 < 4; 1295#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1177#L75 assume !(0 != test_~tmp~0#1); 1178#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1138#L85 assume !(0 != test_~tmp___0~0#1); 1076#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1077#L95 assume 0 != test_~tmp___2~0#1; 1207#L101-2 assume { :begin_inline_timeShift } true; 1128#L139 assume !(0 != ~pumpRunning~0); 1111#L139-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1112#L197 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 1195#L171-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1189#L506-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1147#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1; 1148#L299-3 assume !(0 != isHighWaterLevel_~tmp~3#1);isHighWaterLevel_~tmp___0~1#1 := 1; 1126#L299-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1127#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret8#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1; 1167#L175-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1141#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1142#L171-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1095#L197-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1096#L146-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1114#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret21#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret21#1;havoc __utac_acc__Specification2_spec__2_#t~ret21#1; 1233#L362 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 1106#L362-1 havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1123#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1179#L65-2 [2023-11-26 11:46:36,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:36,212 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-26 11:46:36,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:36,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803246939] [2023-11-26 11:46:36,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:36,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:36,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:36,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:36,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:36,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1757301138, now seen corresponding path program 1 times [2023-11-26 11:46:36,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:36,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269235252] [2023-11-26 11:46:36,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:36,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:36,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269235252] [2023-11-26 11:46:36,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269235252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:36,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:36,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:46:36,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091843361] [2023-11-26 11:46:36,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:36,409 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:46:36,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:36,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:46:36,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:46:36,410 INFO L87 Difference]: Start difference. First operand 265 states and 344 transitions. cyclomatic complexity: 82 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:36,615 INFO L93 Difference]: Finished difference Result 498 states and 638 transitions. [2023-11-26 11:46:36,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 498 states and 638 transitions. [2023-11-26 11:46:36,622 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 362 [2023-11-26 11:46:36,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 498 states to 498 states and 638 transitions. [2023-11-26 11:46:36,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 498 [2023-11-26 11:46:36,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 498 [2023-11-26 11:46:36,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 498 states and 638 transitions. [2023-11-26 11:46:36,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:36,631 INFO L218 hiAutomatonCegarLoop]: Abstraction has 498 states and 638 transitions. [2023-11-26 11:46:36,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states and 638 transitions. [2023-11-26 11:46:36,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 283. [2023-11-26 11:46:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 283 states have (on average 1.2791519434628975) internal successors, (362), 282 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 362 transitions. [2023-11-26 11:46:36,666 INFO L240 hiAutomatonCegarLoop]: Abstraction has 283 states and 362 transitions. [2023-11-26 11:46:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:46:36,668 INFO L428 stractBuchiCegarLoop]: Abstraction has 283 states and 362 transitions. [2023-11-26 11:46:36,670 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:46:36,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 362 transitions. [2023-11-26 11:46:36,672 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2023-11-26 11:46:36,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:36,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:36,676 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:36,676 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] [2023-11-26 11:46:36,676 INFO L748 eck$LassoCheckResult]: Stem: 1906#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1907#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1897#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1898#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1993#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 1975#L609 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1962#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1963#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1956#L65-2 [2023-11-26 11:46:36,677 INFO L750 eck$LassoCheckResult]: Loop: 1956#L65-2 assume !false; 1911#L66 assume test_~splverifierCounter~0#1 < 4; 1912#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 2123#L75 assume !(0 != test_~tmp~0#1); 2121#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 2119#L85 assume !(0 != test_~tmp___0~0#1); 2117#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 2109#L95 assume 0 != test_~tmp___2~0#1; 2107#L101-2 assume { :begin_inline_timeShift } true; 2106#L139 assume !(0 != ~pumpRunning~0); 1886#L139-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1887#L197 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 1972#L171-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1966#L506-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1925#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1; 1926#L299-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1996#L299-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 2022#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret8#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1; 2021#L175-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1916#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1917#L171-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1869#L197-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1870#L146-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1889#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret21#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret21#1;havoc __utac_acc__Specification2_spec__2_#t~ret21#1; 2011#L362 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 1881#L362-1 havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1899#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1956#L65-2 [2023-11-26 11:46:36,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:36,677 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2023-11-26 11:46:36,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:36,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532403762] [2023-11-26 11:46:36,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:36,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:36,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:36,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:36,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:36,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2015466576, now seen corresponding path program 1 times [2023-11-26 11:46:36,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:36,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871605167] [2023-11-26 11:46:36,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:36,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:36,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:36,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:36,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:36,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1844691161, now seen corresponding path program 1 times [2023-11-26 11:46:36,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:36,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760430320] [2023-11-26 11:46:36,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:36,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:36,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:36,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:38,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:38,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:46:38 BoogieIcfgContainer [2023-11-26 11:46:38,123 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:46:38,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:46:38,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:46:38,124 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:46:38,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:34" (3/4) ... [2023-11-26 11:46:38,126 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 11:46:38,208 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:46:38,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:46:38,209 INFO L158 Benchmark]: Toolchain (without parser) took 4979.96ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 131.9MB in the beginning and 64.2MB in the end (delta: 67.6MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. [2023-11-26 11:46:38,210 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:46:38,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.53ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 131.9MB in the end (delta: -805.7kB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-26 11:46:38,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.01ms. Allocated memory is still 163.6MB. Free memory was 131.9MB in the beginning and 128.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:46:38,211 INFO L158 Benchmark]: Boogie Preprocessor took 71.23ms. Allocated memory is still 163.6MB. Free memory was 128.5MB in the beginning and 124.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:46:38,211 INFO L158 Benchmark]: RCFGBuilder took 731.28ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 100.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 11:46:38,212 INFO L158 Benchmark]: BuchiAutomizer took 3438.41ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 100.4MB in the beginning and 67.4MB in the end (delta: 33.0MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2023-11-26 11:46:38,213 INFO L158 Benchmark]: Witness Printer took 85.45ms. Allocated memory is still 197.1MB. Free memory was 67.4MB in the beginning and 64.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:46:38,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.53ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 131.9MB in the end (delta: -805.7kB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.01ms. Allocated memory is still 163.6MB. Free memory was 131.9MB in the beginning and 128.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.23ms. Allocated memory is still 163.6MB. Free memory was 128.5MB in the beginning and 124.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 731.28ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 100.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3438.41ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 100.4MB in the beginning and 67.4MB in the end (delta: 33.0MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Witness Printer took 85.45ms. Allocated memory is still 197.1MB. Free memory was 67.4MB in the beginning and 64.2MB 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [343] - GenericResultAtLocation [Line: 383]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [383] - GenericResultAtLocation [Line: 421]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [421] - GenericResultAtLocation [Line: 525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [525] - GenericResultAtLocation [Line: 622]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [622] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [631] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 283 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.2s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 366 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1144 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1144 mSDsluCounter, 2540 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1789 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 751 mSDtfsCounter, 195 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L345] int methAndRunningLastTime ; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L526] int cleanupTimeShifts = 4; [L801] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L600] int retValue_acc ; [L601] int tmp ; [L605] FCALL select_helpers() [L606] FCALL select_features() [L607] CALL, EXPR valid_product() [L413] int retValue_acc ; [L416] retValue_acc = 1 [L417] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L607] RET, EXPR valid_product() [L607] tmp = valid_product() [L609] COND TRUE \read(tmp) [L611] FCALL setup() [L612] CALL runTest() [L593] CALL __utac_acc__Specification2_spec__1() [L350] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L593] RET __utac_acc__Specification2_spec__1() [L594] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L139] COND FALSE !(\read(pumpRunning)) [L146] COND TRUE \read(systemActive) [L148] CALL processEnvironment() [L194] int tmp ; [L197] COND FALSE !(\read(pumpRunning)) [L212] CALL processEnvironment__wrappee__highWaterSensor() [L168] int tmp ; [L171] COND TRUE ! pumpRunning [L173] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L503] int retValue_acc ; [L506] COND TRUE waterLevel < 2 [L507] retValue_acc = 1 [L508] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L173] RET, EXPR isHighWaterLevel() [L173] tmp = isHighWaterLevel() [L175] COND FALSE !(\read(tmp)) [L181] FCALL processEnvironment__wrappee__base() [L212] RET processEnvironment__wrappee__highWaterSensor() [L148] RET processEnvironment() [L154] CALL __utac_acc__Specification2_spec__2() [L355] int tmp ; [L356] int tmp___0 ; [L360] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L360] RET, EXPR isMethaneLevelCritical() [L360] tmp = isMethaneLevelCritical() [L362] COND FALSE !(\read(tmp)) [L378] methAndRunningLastTime = 0 [L154] RET __utac_acc__Specification2_spec__2() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L345] int methAndRunningLastTime ; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L526] int cleanupTimeShifts = 4; [L801] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L600] int retValue_acc ; [L601] int tmp ; [L605] FCALL select_helpers() [L606] FCALL select_features() [L607] CALL, EXPR valid_product() [L413] int retValue_acc ; [L416] retValue_acc = 1 [L417] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L607] RET, EXPR valid_product() [L607] tmp = valid_product() [L609] COND TRUE \read(tmp) [L611] FCALL setup() [L612] CALL runTest() [L593] CALL __utac_acc__Specification2_spec__1() [L350] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L593] RET __utac_acc__Specification2_spec__1() [L594] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L139] COND FALSE !(\read(pumpRunning)) [L146] COND TRUE \read(systemActive) [L148] CALL processEnvironment() [L194] int tmp ; [L197] COND FALSE !(\read(pumpRunning)) [L212] CALL processEnvironment__wrappee__highWaterSensor() [L168] int tmp ; [L171] COND TRUE ! pumpRunning [L173] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L503] int retValue_acc ; [L506] COND TRUE waterLevel < 2 [L507] retValue_acc = 1 [L508] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L173] RET, EXPR isHighWaterLevel() [L173] tmp = isHighWaterLevel() [L175] COND FALSE !(\read(tmp)) [L181] FCALL processEnvironment__wrappee__base() [L212] RET processEnvironment__wrappee__highWaterSensor() [L148] RET processEnvironment() [L154] CALL __utac_acc__Specification2_spec__2() [L355] int tmp ; [L356] int tmp___0 ; [L360] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L360] RET, EXPR isMethaneLevelCritical() [L360] tmp = isMethaneLevelCritical() [L362] COND FALSE !(\read(tmp)) [L378] methAndRunningLastTime = 0 [L154] RET __utac_acc__Specification2_spec__2() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 11:46:38,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f261ef-d08d-48ea-8320-34d3eab81eb7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)