./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu --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 df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:45,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:45,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:42:45,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:45,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:45,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:45,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:45,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:45,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:45,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:45,451 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:45,452 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:42:45,452 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:42:45,453 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:42:45,454 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:42:45,454 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:42:45,455 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:42:45,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:45,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:42:45,457 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:42:45,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:45,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:42:45,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:45,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:42:45,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:42:45,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:42:45,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:42:45,463 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:42:45,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:42:45,464 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:42:45,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:45,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:45,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:45,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:45,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:45,468 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:42:45,469 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_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2023-11-19 07:42:45,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:45,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:45,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:45,846 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:45,847 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:45,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2023-11-19 07:42:49,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:49,318 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:49,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2023-11-19 07:42:49,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/data/015afa0c5/901120575b6242c58f4e155fc30a2b03/FLAGa581f0c37 [2023-11-19 07:42:49,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/data/015afa0c5/901120575b6242c58f4e155fc30a2b03 [2023-11-19 07:42:49,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:49,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:49,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:49,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:49,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:49,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:49,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495d6bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49, skipping insertion in model container [2023-11-19 07:42:49,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:49,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:49,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:49,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:49,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-19 07:42:49,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] [2023-11-19 07:42:49,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] [2023-11-19 07:42:49,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] [2023-11-19 07:42:49,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] [2023-11-19 07:42:49,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2023-11-19 07:42:49,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] [2023-11-19 07:42:49,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] [2023-11-19 07:42:49,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:49,890 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:49,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49 WrapperNode [2023-11-19 07:42:49,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:49,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:49,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:49,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:49,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:49,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:49,966 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 83, statements flattened = 530 [2023-11-19 07:42:49,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:49,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:49,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:49,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:49,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:49,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:49,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:49,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:50,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:50,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:50,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:50,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:50,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:50,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:50,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:50,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:50,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:50,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:42:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:50,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:50,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:50,256 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:50,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:50,728 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:50,738 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:50,739 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:42:50,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:50 BoogieIcfgContainer [2023-11-19 07:42:50,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:50,745 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:42:50,745 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:42:50,748 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:42:50,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:42:50,749 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:42:49" (1/3) ... [2023-11-19 07:42:50,750 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@336e34d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:42:50, skipping insertion in model container [2023-11-19 07:42:50,750 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:42:50,750 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49" (2/3) ... [2023-11-19 07:42:50,750 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@336e34d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:42:50, skipping insertion in model container [2023-11-19 07:42:50,750 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:42:50,751 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:50" (3/3) ... [2023-11-19 07:42:50,752 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2023-11-19 07:42:50,819 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:42:50,820 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:42:50,820 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:42:50,820 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:42:50,821 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:42:50,821 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:42:50,822 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:42:50,822 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:42:50,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:50,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2023-11-19 07:42:50,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:42:50,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:42:50,867 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:50,867 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:50,867 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:42:50,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:50,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2023-11-19 07:42:50,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:42:50,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:42:50,880 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:50,880 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:50,885 INFO L748 eck$LassoCheckResult]: Stem: 31#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 138#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; 118#valid_product_returnLabel#1true main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 41#L949true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 91#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 137#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 17#L575-2true [2023-11-19 07:42:50,886 INFO L750 eck$LassoCheckResult]: Loop: 17#L575-2true assume !false; 114#L576true assume test_~splverifierCounter~0#1 < 4; 82#L577true havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 106#L585true assume !(0 != test_~tmp~4#1); 42#L585-2true havoc test_#t~nondet35#1;test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 160#L595true assume !(0 != test_~tmp___0~1#1); 64#L595-2true havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 69#L605true assume 0 != test_~tmp___2~0#1; 127#L611-2true assume { :begin_inline_timeShift } true; 48#L642true assume !(0 != ~pumpRunning~0); 34#L642-2true assume !(0 != ~systemActive~0); 92#L649-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret9#1, __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#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; 85#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret9#1;havoc __utac_acc__Specification2_spec__2_#t~ret9#1; 15#L165true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 19#L165-1true havoc __utac_acc__Specification2_spec__2_#t~ret9#1, __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 77#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 17#L575-2true [2023-11-19 07:42:50,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:50,892 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-19 07:42:50,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:50,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875804797] [2023-11-19 07:42:50,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:50,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:51,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:42:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:51,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:42:51,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:51,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1753787124, now seen corresponding path program 1 times [2023-11-19 07:42:51,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:51,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614072657] [2023-11-19 07:42:51,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:51,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:51,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:42:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:51,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:42:51,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:51,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1916074507, now seen corresponding path program 1 times [2023-11-19 07:42:51,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:51,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403139867] [2023-11-19 07:42:51,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:51,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:51,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:51,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403139867] [2023-11-19 07:42:51,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403139867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:51,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:51,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:42:51,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946037907] [2023-11-19 07:42:51,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:51,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:51,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:42:51,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:42:51,600 INFO L87 Difference]: Start difference. First operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:51,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:51,793 INFO L93 Difference]: Finished difference Result 369 states and 480 transitions. [2023-11-19 07:42:51,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 480 transitions. [2023-11-19 07:42:51,804 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 237 [2023-11-19 07:42:51,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 339 states and 450 transitions. [2023-11-19 07:42:51,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 339 [2023-11-19 07:42:51,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 339 [2023-11-19 07:42:51,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 339 states and 450 transitions. [2023-11-19 07:42:51,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:51,818 INFO L218 hiAutomatonCegarLoop]: Abstraction has 339 states and 450 transitions. [2023-11-19 07:42:51,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states and 450 transitions. [2023-11-19 07:42:51,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 200. [2023-11-19 07:42:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 200 states have (on average 1.33) internal successors, (266), 199 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 266 transitions. [2023-11-19 07:42:51,880 INFO L240 hiAutomatonCegarLoop]: Abstraction has 200 states and 266 transitions. [2023-11-19 07:42:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:42:51,893 INFO L428 stractBuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2023-11-19 07:42:51,893 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:42:51,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 200 states and 266 transitions. [2023-11-19 07:42:51,895 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 140 [2023-11-19 07:42:51,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:42:51,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:42:51,896 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:51,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:51,897 INFO L748 eck$LassoCheckResult]: Stem: 597#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 598#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 595#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 596#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; 683#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 610#L949 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 611#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 662#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 574#L575-2 [2023-11-19 07:42:51,897 INFO L750 eck$LassoCheckResult]: Loop: 574#L575-2 assume !false; 575#L576 assume test_~splverifierCounter~0#1 < 4; 658#L577 havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 659#L585 assume !(0 != test_~tmp~4#1); 612#L585-2 havoc test_#t~nondet35#1;test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 613#L595 assume !(0 != test_~tmp___0~1#1); 562#L595-2 havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 639#L605 assume 0 != test_~tmp___2~0#1; 618#L611-2 assume { :begin_inline_timeShift } true; 621#L642 assume !(0 != ~pumpRunning~0); 589#L642-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 603#L700 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 627#L674-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 548#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 549#L674-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 655#L700-1 havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 656#L649-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret9#1, __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#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; 660#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret9#1;havoc __utac_acc__Specification2_spec__2_#t~ret9#1; 569#L165 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 571#L165-1 havoc __utac_acc__Specification2_spec__2_#t~ret9#1, __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 578#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 574#L575-2 [2023-11-19 07:42:51,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:51,898 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-19 07:42:51,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:51,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163607594] [2023-11-19 07:42:51,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:51,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:51,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:42:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:51,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:42:51,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:51,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2045587693, now seen corresponding path program 1 times [2023-11-19 07:42:51,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:51,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354829348] [2023-11-19 07:42:51,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:51,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:51,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:42:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:51,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:42:51,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:51,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1848002506, now seen corresponding path program 1 times [2023-11-19 07:42:51,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:51,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676359723] [2023-11-19 07:42:51,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:51,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:52,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:42:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:52,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:42:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:53,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:42:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:42:53,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:42:53 BoogieIcfgContainer [2023-11-19 07:42:53,360 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:42:53,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:42:53,361 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:42:53,362 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:42:53,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:50" (3/4) ... [2023-11-19 07:42:53,366 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:42:53,445 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:42:53,445 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:42:53,446 INFO L158 Benchmark]: Toolchain (without parser) took 4076.91ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 100.5MB in the beginning and 72.7MB in the end (delta: 27.8MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2023-11-19 07:42:53,447 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 107.0MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:42:53,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.82ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 81.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:42:53,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.16ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 78.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:42:53,456 INFO L158 Benchmark]: Boogie Preprocessor took 67.29ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 75.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:42:53,457 INFO L158 Benchmark]: RCFGBuilder took 705.00ms. Allocated memory is still 146.8MB. Free memory was 75.7MB in the beginning and 99.1MB in the end (delta: -23.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-19 07:42:53,461 INFO L158 Benchmark]: BuchiAutomizer took 2615.18ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 99.1MB in the beginning and 75.9MB in the end (delta: 23.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2023-11-19 07:42:53,461 INFO L158 Benchmark]: Witness Printer took 84.73ms. Allocated memory is still 186.6MB. Free memory was 74.8MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:42:53,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 107.0MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.82ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 81.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.16ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 78.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.29ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 75.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 705.00ms. Allocated memory is still 146.8MB. Free memory was 75.7MB in the beginning and 99.1MB in the end (delta: -23.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2615.18ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 99.1MB in the beginning and 75.9MB in the end (delta: 23.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Witness Printer took 84.73ms. Allocated memory is still 186.6MB. Free memory was 74.8MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] - GenericResultAtLocation [Line: 552]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 200 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 139 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 755 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 755 mSDsluCounter, 1107 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 899 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 208 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 575]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L148] int methAndRunningLastTime ; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L635] int pumpRunning = 0; [L636] int systemActive = 1; [L866] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L940] int retValue_acc ; [L941] int tmp ; [L945] FCALL select_helpers() [L946] FCALL select_features() [L947] CALL, EXPR valid_product() [L857] int retValue_acc ; [L860] retValue_acc = 1 [L861] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L947] RET, EXPR valid_product() [L947] tmp = valid_product() [L949] COND TRUE \read(tmp) [L951] FCALL setup() [L952] CALL runTest() [L933] CALL __utac_acc__Specification2_spec__1() [L153] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L933] RET __utac_acc__Specification2_spec__1() [L934] CALL test() [L566] int splverifierCounter ; [L567] int tmp ; [L568] int tmp___0 ; [L569] int tmp___1 ; [L570] int tmp___2 ; [L573] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L575] COND TRUE 1 [L577] COND TRUE splverifierCounter < 4 [L583] tmp = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp)) [L593] tmp___0 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___0)) [L603] tmp___2 = __VERIFIER_nondet_int() [L605] COND TRUE \read(tmp___2) [L620] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] CALL processEnvironment() [L697] int tmp ; [L700] COND FALSE !(\read(pumpRunning)) [L715] CALL processEnvironment__wrappee__lowWaterSensor() [L671] int tmp ; [L674] COND FALSE !(\read(pumpRunning)) [L689] FCALL processEnvironment__wrappee__base() [L715] RET processEnvironment__wrappee__lowWaterSensor() [L651] RET processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L163] RET, EXPR isMethaneLevelCritical() [L163] tmp = isMethaneLevelCritical() [L165] COND FALSE !(\read(tmp)) [L181] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L620] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 575]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L148] int methAndRunningLastTime ; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L635] int pumpRunning = 0; [L636] int systemActive = 1; [L866] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L940] int retValue_acc ; [L941] int tmp ; [L945] FCALL select_helpers() [L946] FCALL select_features() [L947] CALL, EXPR valid_product() [L857] int retValue_acc ; [L860] retValue_acc = 1 [L861] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L947] RET, EXPR valid_product() [L947] tmp = valid_product() [L949] COND TRUE \read(tmp) [L951] FCALL setup() [L952] CALL runTest() [L933] CALL __utac_acc__Specification2_spec__1() [L153] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L933] RET __utac_acc__Specification2_spec__1() [L934] CALL test() [L566] int splverifierCounter ; [L567] int tmp ; [L568] int tmp___0 ; [L569] int tmp___1 ; [L570] int tmp___2 ; [L573] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L575] COND TRUE 1 [L577] COND TRUE splverifierCounter < 4 [L583] tmp = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp)) [L593] tmp___0 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___0)) [L603] tmp___2 = __VERIFIER_nondet_int() [L605] COND TRUE \read(tmp___2) [L620] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] CALL processEnvironment() [L697] int tmp ; [L700] COND FALSE !(\read(pumpRunning)) [L715] CALL processEnvironment__wrappee__lowWaterSensor() [L671] int tmp ; [L674] COND FALSE !(\read(pumpRunning)) [L689] FCALL processEnvironment__wrappee__base() [L715] RET processEnvironment__wrappee__lowWaterSensor() [L651] RET processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L163] RET, EXPR isMethaneLevelCritical() [L163] tmp = isMethaneLevelCritical() [L165] COND FALSE !(\read(tmp)) [L181] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L620] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:42:53,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d68fec-c70d-49da-bde3-37043aabd3d3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)