./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.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_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/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_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/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_e1b63288-5a92-4c3a-84d5-e6384c5537f1/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 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:55:00,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:55:00,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 18:55:00,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:55:00,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:55:00,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:55:00,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:55:01,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:55:01,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:55:01,001 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:55:01,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:55:01,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:55:01,003 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:55:01,004 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 18:55:01,005 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 18:55:01,005 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 18:55:01,006 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 18:55:01,006 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 18:55:01,007 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 18:55:01,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:55:01,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 18:55:01,012 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:55:01,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:55:01,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:55:01,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:55:01,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 18:55:01,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 18:55:01,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 18:55:01,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:55:01,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:55:01,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:55:01,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:55:01,021 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 18:55:01,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:55:01,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:55:01,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:55:01,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:55:01,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:55:01,025 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 18:55:01,025 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_e1b63288-5a92-4c3a-84d5-e6384c5537f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 [2024-11-08 18:55:01,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:55:01,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:55:01,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:55:01,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:55:01,462 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:55:01,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c Unable to find full path for "g++" [2024-11-08 18:55:04,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:55:04,371 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:55:04,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2024-11-08 18:55:04,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/data/1d3e17b94/24c22a41be6d403b9eefc59fd231d0db/FLAGa94900ae7 [2024-11-08 18:55:04,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/data/1d3e17b94/24c22a41be6d403b9eefc59fd231d0db [2024-11-08 18:55:04,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:55:04,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:55:04,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:55:04,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:55:04,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:55:04,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:55:04" (1/1) ... [2024-11-08 18:55:04,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300d3285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:04, skipping insertion in model container [2024-11-08 18:55:04,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:55:04" (1/1) ... [2024-11-08 18:55:04,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:55:04,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:55:04,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:55:05,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2024-11-08 18:55:05,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [101] [2024-11-08 18:55:05,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] [2024-11-08 18:55:05,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] [2024-11-08 18:55:05,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [323] [2024-11-08 18:55:05,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [560] [2024-11-08 18:55:05,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [627] [2024-11-08 18:55:05,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [662] [2024-11-08 18:55:05,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:55:05,171 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:55:05,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05 WrapperNode [2024-11-08 18:55:05,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:55:05,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:55:05,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:55:05,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:55:05,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,293 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 60, calls inlined = 148, statements flattened = 992 [2024-11-08 18:55:05,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:55:05,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:55:05,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:55:05,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:55:05,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,317 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,361 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:55:05,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:55:05,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:55:05,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:55:05,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:55:05,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (1/1) ... [2024-11-08 18:55:05,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:55:05,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:55:05,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:55:05,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 18:55:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:55:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:55:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:55:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:55:05,678 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:55:05,681 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:55:06,795 INFO L? ?]: Removed 241 outVars from TransFormulas that were not future-live. [2024-11-08 18:55:06,796 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:55:06,835 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:55:06,835 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:55:06,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:55:06 BoogieIcfgContainer [2024-11-08 18:55:06,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:55:06,842 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 18:55:06,842 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 18:55:06,847 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 18:55:06,849 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:55:06,850 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 06:55:04" (1/3) ... [2024-11-08 18:55:06,851 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75f0ca4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:55:06, skipping insertion in model container [2024-11-08 18:55:06,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:55:06,853 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:05" (2/3) ... [2024-11-08 18:55:06,854 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75f0ca4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:55:06, skipping insertion in model container [2024-11-08 18:55:06,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:55:06,856 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:55:06" (3/3) ... [2024-11-08 18:55:06,858 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2024-11-08 18:55:06,953 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 18:55:06,953 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 18:55:06,953 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 18:55:06,953 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 18:55:06,954 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 18:55:06,954 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 18:55:06,954 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 18:55:06,954 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 18:55:06,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 284 states, 283 states have (on average 1.3639575971731448) internal successors, (386), 283 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:55:07,003 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 185 [2024-11-08 18:55:07,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:55:07,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:55:07,016 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:07,016 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:07,017 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 18:55:07,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 284 states, 283 states have (on average 1.3639575971731448) internal successors, (386), 283 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:55:07,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 185 [2024-11-08 18:55:07,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:55:07,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:55:07,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:07,041 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:07,048 INFO L745 eck$LassoCheckResult]: Stem: 164#$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);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 176#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 27#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 252#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 93#valid_product_returnLabel#1true main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 219#L310true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 70#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 268#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 168#L571-2true [2024-11-08 18:55:07,049 INFO L747 eck$LassoCheckResult]: Loop: 168#L571-2true assume !false; 106#L572true assume test_~splverifierCounter~0#1 < 4; 54#L573true havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 283#L581true assume !(0 != test_~tmp~7#1); 262#L581-2true havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 114#L591true assume !(0 != test_~tmp___0~3#1); 117#L591-2true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 195#L601true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 83#L609true assume 0 != test_~tmp___1~0#1; 284#L609-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 263#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 230#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 223#L337true assume !(0 != ~pumpRunning~0); 124#L337-2true assume !(0 != ~systemActive~0); 111#L344-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 205#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 145#L80true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 265#L80-1true havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 206#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 168#L571-2true [2024-11-08 18:55:07,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:07,058 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-08 18:55:07,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:07,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692128222] [2024-11-08 18:55:07,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:07,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:07,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:55:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:07,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:55:07,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:07,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1862208685, now seen corresponding path program 1 times [2024-11-08 18:55:07,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:07,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824405036] [2024-11-08 18:55:07,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:07,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:07,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:55:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:07,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:55:07,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:07,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1003010268, now seen corresponding path program 1 times [2024-11-08 18:55:07,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:07,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708050956] [2024-11-08 18:55:07,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:07,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:07,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:55:07,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:07,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708050956] [2024-11-08 18:55:07,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708050956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:07,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:07,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:55:07,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479424066] [2024-11-08 18:55:07,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:07,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:07,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:55:07,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:55:07,909 INFO L87 Difference]: Start difference. First operand has 284 states, 283 states have (on average 1.3639575971731448) internal successors, (386), 283 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:55:08,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:08,121 INFO L93 Difference]: Finished difference Result 278 states and 369 transitions. [2024-11-08 18:55:08,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 278 states and 369 transitions. [2024-11-08 18:55:08,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 179 [2024-11-08 18:55:08,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 278 states to 268 states and 359 transitions. [2024-11-08 18:55:08,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 268 [2024-11-08 18:55:08,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 268 [2024-11-08 18:55:08,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 268 states and 359 transitions. [2024-11-08 18:55:08,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:55:08,142 INFO L218 hiAutomatonCegarLoop]: Abstraction has 268 states and 359 transitions. [2024-11-08 18:55:08,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states and 359 transitions. [2024-11-08 18:55:08,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2024-11-08 18:55:08,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 268 states have (on average 1.3395522388059702) internal successors, (359), 267 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:55:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 359 transitions. [2024-11-08 18:55:08,202 INFO L240 hiAutomatonCegarLoop]: Abstraction has 268 states and 359 transitions. [2024-11-08 18:55:08,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:55:08,208 INFO L425 stractBuchiCegarLoop]: Abstraction has 268 states and 359 transitions. [2024-11-08 18:55:08,209 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 18:55:08,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 359 transitions. [2024-11-08 18:55:08,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 179 [2024-11-08 18:55:08,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:55:08,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:55:08,214 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:08,215 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] [2024-11-08 18:55:08,215 INFO L745 eck$LassoCheckResult]: Stem: 809#$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);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 810#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 625#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 626#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 733#valid_product_returnLabel#1 main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 734#L310 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 696#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 697#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 812#L571-2 [2024-11-08 18:55:08,216 INFO L747 eck$LassoCheckResult]: Loop: 812#L571-2 assume !false; 750#L572 assume test_~splverifierCounter~0#1 < 4; 670#L573 havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 671#L581 assume !(0 != test_~tmp~7#1); 829#L581-2 havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 762#L591 assume !(0 != test_~tmp___0~3#1); 763#L591-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 766#L601 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 721#L609 assume 0 != test_~tmp___1~0#1; 676#L609-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 845#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 835#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 834#L337 assume !(0 != ~pumpRunning~0); 773#L337-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 631#L421 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret16#1, isMethaneAlarm_~retValue_acc~5#1;havoc isMethaneAlarm_~retValue_acc~5#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 632#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret16#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~5#1 := isMethaneAlarm_#t~ret16#1;havoc isMethaneAlarm_#t~ret16#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; 846#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret15#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret16#1, isMethaneAlarm_~retValue_acc~5#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret15#1;havoc processEnvironment_#t~ret15#1; 843#L425 assume 0 != processEnvironment_~tmp~4#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 842#deactivatePump_returnLabel#1 assume { :end_inline_deactivatePump } true; 838#L421-1 havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 755#L344-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 756#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 792#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 641#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 830#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 812#L571-2 [2024-11-08 18:55:08,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:08,216 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-08 18:55:08,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:08,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481879429] [2024-11-08 18:55:08,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:08,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:08,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:55:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:08,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:55:08,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:08,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1404142102, now seen corresponding path program 1 times [2024-11-08 18:55:08,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:08,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251563905] [2024-11-08 18:55:08,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:08,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:55:08,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:08,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251563905] [2024-11-08 18:55:08,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251563905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:08,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:08,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:55:08,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125244371] [2024-11-08 18:55:08,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:08,286 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 18:55:08,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:08,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:55:08,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:55:08,288 INFO L87 Difference]: Start difference. First operand 268 states and 359 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:55:08,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:08,464 INFO L93 Difference]: Finished difference Result 288 states and 365 transitions. [2024-11-08 18:55:08,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 288 states and 365 transitions. [2024-11-08 18:55:08,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 198 [2024-11-08 18:55:08,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 288 states to 288 states and 365 transitions. [2024-11-08 18:55:08,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 288 [2024-11-08 18:55:08,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 288 [2024-11-08 18:55:08,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 288 states and 365 transitions. [2024-11-08 18:55:08,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:55:08,474 INFO L218 hiAutomatonCegarLoop]: Abstraction has 288 states and 365 transitions. [2024-11-08 18:55:08,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states and 365 transitions. [2024-11-08 18:55:08,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2024-11-08 18:55:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 288 states have (on average 1.2673611111111112) internal successors, (365), 287 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:55:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 365 transitions. [2024-11-08 18:55:08,490 INFO L240 hiAutomatonCegarLoop]: Abstraction has 288 states and 365 transitions. [2024-11-08 18:55:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:55:08,492 INFO L425 stractBuchiCegarLoop]: Abstraction has 288 states and 365 transitions. [2024-11-08 18:55:08,492 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 18:55:08,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 288 states and 365 transitions. [2024-11-08 18:55:08,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 198 [2024-11-08 18:55:08,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:55:08,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:55:08,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:08,501 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:08,505 INFO L745 eck$LassoCheckResult]: Stem: 1330#$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);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1331#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 1169#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1170#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 1267#valid_product_returnLabel#1 main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 1268#L310 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 1235#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1236#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1333#L571-2 [2024-11-08 18:55:08,506 INFO L747 eck$LassoCheckResult]: Loop: 1333#L571-2 assume !false; 1278#L572 assume test_~splverifierCounter~0#1 < 4; 1279#L573 havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1375#L581 assume !(0 != test_~tmp~7#1); 1352#L581-2 havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1401#L591 assume !(0 != test_~tmp___0~3#1); 1386#L591-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1385#L601 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1383#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1382#L609-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 1381#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 1380#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1359#L337 assume !(0 != ~pumpRunning~0); 1298#L337-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 1175#L421 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret14#1, processEnvironment__wrappee__lowWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3#1; 1176#L395-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1315#L369-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1342#L192-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1364#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret25#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret25#1;havoc isHighWaterLevel_#t~ret25#1; 1148#L523-9 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1149#L523-11 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 1340#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 1301#L373-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1281#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 1282#L369-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1398#L395-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret14#1, processEnvironment__wrappee__lowWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1368#L421-1 havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 1397#L344-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1396#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 1394#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 1391#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1390#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1333#L571-2 [2024-11-08 18:55:08,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:08,507 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-08 18:55:08,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:08,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738461651] [2024-11-08 18:55:08,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:08,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:08,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:55:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:08,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:55:08,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:08,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1358258791, now seen corresponding path program 1 times [2024-11-08 18:55:08,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:08,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847229649] [2024-11-08 18:55:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:08,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:55:08,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:08,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847229649] [2024-11-08 18:55:08,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847229649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:08,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:08,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:55:08,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348596302] [2024-11-08 18:55:08,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:08,685 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 18:55:08,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:08,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:55:08,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:55:08,686 INFO L87 Difference]: Start difference. First operand 288 states and 365 transitions. cyclomatic complexity: 79 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:55:08,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:08,950 INFO L93 Difference]: Finished difference Result 566 states and 703 transitions. [2024-11-08 18:55:08,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 566 states and 703 transitions. [2024-11-08 18:55:08,956 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 394 [2024-11-08 18:55:08,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 566 states to 566 states and 703 transitions. [2024-11-08 18:55:08,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 566 [2024-11-08 18:55:08,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 566 [2024-11-08 18:55:08,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 566 states and 703 transitions. [2024-11-08 18:55:08,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:55:08,969 INFO L218 hiAutomatonCegarLoop]: Abstraction has 566 states and 703 transitions. [2024-11-08 18:55:08,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states and 703 transitions. [2024-11-08 18:55:08,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2024-11-08 18:55:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 566 states have (on average 1.2420494699646643) internal successors, (703), 565 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:55:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 703 transitions. [2024-11-08 18:55:09,001 INFO L240 hiAutomatonCegarLoop]: Abstraction has 566 states and 703 transitions. [2024-11-08 18:55:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:55:09,002 INFO L425 stractBuchiCegarLoop]: Abstraction has 566 states and 703 transitions. [2024-11-08 18:55:09,002 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 18:55:09,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 566 states and 703 transitions. [2024-11-08 18:55:09,011 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 394 [2024-11-08 18:55:09,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:55:09,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:55:09,014 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:09,015 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:09,017 INFO L745 eck$LassoCheckResult]: Stem: 2210#$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);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 2211#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 2034#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2035#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 2139#valid_product_returnLabel#1 main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 2140#L310 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 2106#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2107#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2269#L571-2 [2024-11-08 18:55:09,018 INFO L747 eck$LassoCheckResult]: Loop: 2269#L571-2 assume !false; 2150#L572 assume test_~splverifierCounter~0#1 < 4; 2081#L573 havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 2082#L581 assume !(0 != test_~tmp~7#1); 2276#L581-2 havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 2572#L591 assume !(0 != test_~tmp___0~3#1); 2570#L591-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 2569#L601 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2567#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 2566#L609-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 2267#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 2254#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2250#L337 assume !(0 != ~pumpRunning~0); 2170#L337-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 2041#L421 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret14#1, processEnvironment__wrappee__lowWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3#1; 2042#L395-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 2192#L369-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 2226#L192-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 2257#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret25#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret25#1;havoc isHighWaterLevel_#t~ret25#1; 2452#L523-9 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2451#L523-11 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 2224#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 2173#L373-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2152#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 2153#L369-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2470#L395-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret14#1, processEnvironment__wrappee__lowWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2264#L421-1 havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 2467#L344-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 2465#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 2463#L80 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 2461#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 2458#L84 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 2453#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2439#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2269#L571-2 [2024-11-08 18:55:09,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:09,018 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-08 18:55:09,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:09,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120623472] [2024-11-08 18:55:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:09,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:09,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:55:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:09,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:55:09,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:09,057 INFO L85 PathProgramCache]: Analyzing trace with hash 362360628, now seen corresponding path program 1 times [2024-11-08 18:55:09,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:09,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529852505] [2024-11-08 18:55:09,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:09,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:09,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:55:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:09,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:55:09,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:09,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1871456291, now seen corresponding path program 1 times [2024-11-08 18:55:09,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:09,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111327813] [2024-11-08 18:55:09,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:09,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:09,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:55:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:09,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:55:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:10,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:55:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:10,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 06:55:10 BoogieIcfgContainer [2024-11-08 18:55:10,828 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 18:55:10,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:55:10,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:55:10,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:55:10,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:55:06" (3/4) ... [2024-11-08 18:55:10,833 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 18:55:10,925 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:55:10,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:55:10,927 INFO L158 Benchmark]: Toolchain (without parser) took 6501.38ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 89.9MB in the beginning and 120.8MB in the end (delta: -30.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-08 18:55:10,927 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:55:10,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 744.95ms. Allocated memory is still 123.7MB. Free memory was 89.9MB in the beginning and 67.7MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 18:55:10,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.10ms. Allocated memory is still 123.7MB. Free memory was 67.7MB in the beginning and 63.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:55:10,929 INFO L158 Benchmark]: Boogie Preprocessor took 128.96ms. Allocated memory is still 123.7MB. Free memory was 63.1MB in the beginning and 58.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:55:10,930 INFO L158 Benchmark]: RCFGBuilder took 1414.44ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 58.0MB in the beginning and 102.7MB in the end (delta: -44.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-08 18:55:10,930 INFO L158 Benchmark]: BuchiAutomizer took 3986.34ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 101.6MB in the beginning and 124.0MB in the end (delta: -22.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-08 18:55:10,931 INFO L158 Benchmark]: Witness Printer took 97.32ms. Allocated memory is still 197.1MB. Free memory was 124.0MB in the beginning and 120.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:55:10,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 744.95ms. Allocated memory is still 123.7MB. Free memory was 89.9MB in the beginning and 67.7MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.10ms. Allocated memory is still 123.7MB. Free memory was 67.7MB in the beginning and 63.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.96ms. Allocated memory is still 123.7MB. Free memory was 63.1MB in the beginning and 58.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1414.44ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 58.0MB in the beginning and 102.7MB in the end (delta: -44.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3986.34ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 101.6MB in the beginning and 124.0MB in the end (delta: -22.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 97.32ms. Allocated memory is still 197.1MB. Free memory was 124.0MB in the beginning and 120.8MB 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [101] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] - GenericResultAtLocation [Line: 323]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [323] - GenericResultAtLocation [Line: 560]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [560] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [627] - GenericResultAtLocation [Line: 662]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [662] * 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 566 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.3s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 1147 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1147 mSDsluCounter, 2629 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1685 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 179 IncrementalHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 944 mSDtfsCounter, 179 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 571]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L109] int waterLevel = 1; [L110] int methaneLevelCritical = 0; [L221] int cleanupTimeShifts = 4; [L327] int pumpRunning = 0; [L328] int systemActive = 1; [L832] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L301] int retValue_acc ; [L302] int tmp ; [L306] FCALL select_helpers() [L307] FCALL select_features() [L308] CALL, EXPR valid_product() [L654] int retValue_acc ; [L657] retValue_acc = 1 [L658] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L308] RET, EXPR valid_product() [L308] tmp = valid_product() [L310] COND TRUE \read(tmp) [L312] FCALL setup() [L313] CALL runTest() [L291] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L291] RET __utac_acc__Specification5_spec__1() [L292] CALL test() [L562] int splverifierCounter ; [L563] int tmp ; [L564] int tmp___0 ; [L565] int tmp___1 ; [L566] int tmp___2 ; [L569] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L571] COND TRUE 1 [L573] COND TRUE splverifierCounter < 4 [L579] tmp = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp)) [L589] tmp___0 = __VERIFIER_nondet_int() [L591] COND FALSE !(\read(tmp___0)) [L599] tmp___2 = __VERIFIER_nondet_int() [L601] COND TRUE \read(tmp___2) [L603] CALL startSystem() [L556] systemActive = 1 [L603] RET startSystem() [L616] CALL timeShift() [L335] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L470] int retValue_acc ; [L473] retValue_acc = pumpRunning [L474] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L335] RET __utac_acc__Specification5_spec__2() [L337] COND FALSE !(\read(pumpRunning)) [L344] COND TRUE \read(systemActive) [L346] CALL processEnvironment() [L418] int tmp ; [L421] COND FALSE !(\read(pumpRunning)) [L436] CALL processEnvironment__wrappee__lowWaterSensor() [L392] int tmp ; [L395] COND FALSE !(\read(pumpRunning)) [L410] CALL processEnvironment__wrappee__highWaterSensor() [L366] int tmp ; [L369] COND TRUE ! pumpRunning [L371] CALL, EXPR isHighWaterLevel() [L515] int retValue_acc ; [L516] int tmp ; [L517] int tmp___0 ; [L521] CALL, EXPR isHighWaterSensorDry() [L189] int retValue_acc ; [L192] COND TRUE waterLevel < 2 [L193] retValue_acc = 1 [L194] return (retValue_acc); [L521] RET, EXPR isHighWaterSensorDry() [L521] tmp = isHighWaterSensorDry() [L523] COND TRUE \read(tmp) [L524] tmp___0 = 0 [L528] retValue_acc = tmp___0 [L529] return (retValue_acc); [L371] RET, EXPR isHighWaterLevel() [L371] tmp = isHighWaterLevel() [L373] COND FALSE !(\read(tmp)) [L379] FCALL processEnvironment__wrappee__base() [L410] RET processEnvironment__wrappee__highWaterSensor() [L436] RET processEnvironment__wrappee__lowWaterSensor() [L346] RET processEnvironment() [L352] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L180] int retValue_acc ; [L183] retValue_acc = waterLevel [L184] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L470] int retValue_acc ; [L473] retValue_acc = pumpRunning [L474] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L352] RET __utac_acc__Specification5_spec__3() [L616] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 571]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L109] int waterLevel = 1; [L110] int methaneLevelCritical = 0; [L221] int cleanupTimeShifts = 4; [L327] int pumpRunning = 0; [L328] int systemActive = 1; [L832] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L301] int retValue_acc ; [L302] int tmp ; [L306] FCALL select_helpers() [L307] FCALL select_features() [L308] CALL, EXPR valid_product() [L654] int retValue_acc ; [L657] retValue_acc = 1 [L658] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L308] RET, EXPR valid_product() [L308] tmp = valid_product() [L310] COND TRUE \read(tmp) [L312] FCALL setup() [L313] CALL runTest() [L291] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L291] RET __utac_acc__Specification5_spec__1() [L292] CALL test() [L562] int splverifierCounter ; [L563] int tmp ; [L564] int tmp___0 ; [L565] int tmp___1 ; [L566] int tmp___2 ; [L569] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L571] COND TRUE 1 [L573] COND TRUE splverifierCounter < 4 [L579] tmp = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp)) [L589] tmp___0 = __VERIFIER_nondet_int() [L591] COND FALSE !(\read(tmp___0)) [L599] tmp___2 = __VERIFIER_nondet_int() [L601] COND TRUE \read(tmp___2) [L603] CALL startSystem() [L556] systemActive = 1 [L603] RET startSystem() [L616] CALL timeShift() [L335] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L470] int retValue_acc ; [L473] retValue_acc = pumpRunning [L474] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L335] RET __utac_acc__Specification5_spec__2() [L337] COND FALSE !(\read(pumpRunning)) [L344] COND TRUE \read(systemActive) [L346] CALL processEnvironment() [L418] int tmp ; [L421] COND FALSE !(\read(pumpRunning)) [L436] CALL processEnvironment__wrappee__lowWaterSensor() [L392] int tmp ; [L395] COND FALSE !(\read(pumpRunning)) [L410] CALL processEnvironment__wrappee__highWaterSensor() [L366] int tmp ; [L369] COND TRUE ! pumpRunning [L371] CALL, EXPR isHighWaterLevel() [L515] int retValue_acc ; [L516] int tmp ; [L517] int tmp___0 ; [L521] CALL, EXPR isHighWaterSensorDry() [L189] int retValue_acc ; [L192] COND TRUE waterLevel < 2 [L193] retValue_acc = 1 [L194] return (retValue_acc); [L521] RET, EXPR isHighWaterSensorDry() [L521] tmp = isHighWaterSensorDry() [L523] COND TRUE \read(tmp) [L524] tmp___0 = 0 [L528] retValue_acc = tmp___0 [L529] return (retValue_acc); [L371] RET, EXPR isHighWaterLevel() [L371] tmp = isHighWaterLevel() [L373] COND FALSE !(\read(tmp)) [L379] FCALL processEnvironment__wrappee__base() [L410] RET processEnvironment__wrappee__highWaterSensor() [L436] RET processEnvironment__wrappee__lowWaterSensor() [L346] RET processEnvironment() [L352] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L180] int retValue_acc ; [L183] retValue_acc = waterLevel [L184] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L470] int retValue_acc ; [L473] retValue_acc = pumpRunning [L474] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L352] RET __utac_acc__Specification5_spec__3() [L616] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 18:55:10,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b63288-5a92-4c3a-84d5-e6384c5537f1/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)