./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/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_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/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_47eafad3-4260-44ec-b00c-5d251fb16c70/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 cbc46b286e5e11c96810d470756281447eef671d85940129caf0210db421d14f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:41,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:41,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:36:41,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:41,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:41,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:41,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:41,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:41,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:41,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:41,226 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:41,227 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:36:41,227 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:36:41,229 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:36:41,229 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:36:41,230 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:36:41,230 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:36:41,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:41,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:36:41,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:41,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:41,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:41,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:41,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:36:41,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:36:41,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:36:41,235 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:36:41,235 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:41,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:41,236 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:36:41,237 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:41,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:41,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:41,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:41,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:41,239 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:36:41,239 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_47eafad3-4260-44ec-b00c-5d251fb16c70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbc46b286e5e11c96810d470756281447eef671d85940129caf0210db421d14f [2023-11-19 07:36:41,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:41,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:41,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:41,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:41,588 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:41,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2023-11-19 07:36:44,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:45,083 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:45,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2023-11-19 07:36:45,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/data/1a46a224a/842747f436284d21a0c7a2c73ebefcfb/FLAGc9caa4202 [2023-11-19 07:36:45,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/data/1a46a224a/842747f436284d21a0c7a2c73ebefcfb [2023-11-19 07:36:45,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:45,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:45,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:45,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:45,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:45,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212c5d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45, skipping insertion in model container [2023-11-19 07:36:45,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:45,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:45,540 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:45,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-19 07:36:45,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [145] [2023-11-19 07:36:45,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] [2023-11-19 07:36:45,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [520] [2023-11-19 07:36:45,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2023-11-19 07:36:45,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [777] [2023-11-19 07:36:45,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] [2023-11-19 07:36:45,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [913] [2023-11-19 07:36:45,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:45,680 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:45,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45 WrapperNode [2023-11-19 07:36:45,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:45,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:45,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:45,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:45,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,749 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 58, statements flattened = 370 [2023-11-19 07:36:45,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:45,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:45,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:45,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:45,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:45,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:45,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:45,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:45,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (1/1) ... [2023-11-19 07:36:45,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:45,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:45,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:45,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:45,968 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:45,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:46,404 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:46,413 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:46,414 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:36:46,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:46 BoogieIcfgContainer [2023-11-19 07:36:46,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:46,419 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:36:46,420 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:36:46,423 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:36:46,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:36:46,424 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:36:45" (1/3) ... [2023-11-19 07:36:46,425 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c1f2b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:36:46, skipping insertion in model container [2023-11-19 07:36:46,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:36:46,426 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45" (2/3) ... [2023-11-19 07:36:46,426 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c1f2b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:36:46, skipping insertion in model container [2023-11-19 07:36:46,426 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:36:46,426 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:46" (3/3) ... [2023-11-19 07:36:46,427 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product26.cil.c [2023-11-19 07:36:46,490 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:36:46,490 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:36:46,490 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:36:46,490 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:36:46,491 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:36:46,491 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:36:46,491 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:36:46,491 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:36:46,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3478260869565217) internal successors, (155), 115 states have internal predecessors, (155), 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 07:36:46,540 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2023-11-19 07:36:46,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:36:46,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:36:46,548 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:46,549 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] [2023-11-19 07:36:46,549 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:36:46,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3478260869565217) internal successors, (155), 115 states have internal predecessors, (155), 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 07:36:46,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2023-11-19 07:36:46,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:36:46,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:36:46,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:46,569 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] [2023-11-19 07:36:46,577 INFO L748 eck$LassoCheckResult]: Stem: 23#$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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 21#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 98#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; 82#valid_product_returnLabel#1true main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 80#L900true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 65#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; 106#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 71#L721-2true [2023-11-19 07:36:46,579 INFO L750 eck$LassoCheckResult]: Loop: 71#L721-2true assume !false; 57#L722true assume test_~splverifierCounter~0#1 < 4; 117#L723true havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 89#L731true assume !(0 != test_~tmp~6#1); 4#L731-2true havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 111#L741true assume !(0 != test_~tmp___0~1#1); 72#L741-2true havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 20#L751true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet47#1;test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 26#L759true assume 0 != test_~tmp___1~0#1; 36#L759-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 103#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 76#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 44#L539true assume !(0 != ~pumpRunning~0); 104#L539-2true assume !(0 != ~systemActive~0); 74#L546-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#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; 58#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 97#L941true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 88#L941-1true havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 59#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 71#L721-2true [2023-11-19 07:36:46,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:46,586 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-19 07:36:46,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:46,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648404757] [2023-11-19 07:36:46,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:46,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:46,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:46,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:46,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:46,752 INFO L85 PathProgramCache]: Analyzing trace with hash -677047954, now seen corresponding path program 1 times [2023-11-19 07:36:46,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:46,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007911476] [2023-11-19 07:36:46,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:46,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:46,766 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:46,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:46,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:46,801 INFO L85 PathProgramCache]: Analyzing trace with hash 752700389, now seen corresponding path program 1 times [2023-11-19 07:36:46,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:46,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641382204] [2023-11-19 07:36:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:46,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:47,163 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 07:36:47,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:47,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641382204] [2023-11-19 07:36:47,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641382204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:47,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:47,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:36:47,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647564339] [2023-11-19 07:36:47,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:47,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:47,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:36:47,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:36:47,378 INFO L87 Difference]: Start difference. First operand has 116 states, 115 states have (on average 1.3478260869565217) internal successors, (155), 115 states have internal predecessors, (155), 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) [2023-11-19 07:36:47,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:47,466 INFO L93 Difference]: Finished difference Result 110 states and 138 transitions. [2023-11-19 07:36:47,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110 states and 138 transitions. [2023-11-19 07:36:47,471 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2023-11-19 07:36:47,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110 states to 100 states and 128 transitions. [2023-11-19 07:36:47,477 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 100 [2023-11-19 07:36:47,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 100 [2023-11-19 07:36:47,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 128 transitions. [2023-11-19 07:36:47,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:36:47,483 INFO L218 hiAutomatonCegarLoop]: Abstraction has 100 states and 128 transitions. [2023-11-19 07:36:47,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 128 transitions. [2023-11-19 07:36:47,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-19 07:36:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 100 states have (on average 1.28) internal successors, (128), 99 states have internal predecessors, (128), 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 07:36:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 128 transitions. [2023-11-19 07:36:47,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 100 states and 128 transitions. [2023-11-19 07:36:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:36:47,527 INFO L428 stractBuchiCegarLoop]: Abstraction has 100 states and 128 transitions. [2023-11-19 07:36:47,527 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:36:47,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 128 transitions. [2023-11-19 07:36:47,529 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2023-11-19 07:36:47,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:36:47,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:36:47,530 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:47,530 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] [2023-11-19 07:36:47,531 INFO L748 eck$LassoCheckResult]: Stem: 277#$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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 278#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 275#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 276#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; 332#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 330#L900 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 319#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; 320#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 314#L721-2 [2023-11-19 07:36:47,531 INFO L750 eck$LassoCheckResult]: Loop: 314#L721-2 assume !false; 309#L722 assume test_~splverifierCounter~0#1 < 4; 310#L723 havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 338#L731 assume !(0 != test_~tmp~6#1); 246#L731-2 havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 247#L741 assume !(0 != test_~tmp___0~1#1); 251#L741-2 havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 272#L751 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 273#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 279#L759-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 288#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 327#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 296#L539 assume !(0 != ~pumpRunning~0); 268#L539-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 343#L571 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 323#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 262#L571-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 305#L546-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#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; 311#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 312#L941 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 337#L941-1 havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 313#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 314#L721-2 [2023-11-19 07:36:47,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:47,532 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-19 07:36:47,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:47,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834560239] [2023-11-19 07:36:47,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:47,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:47,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:47,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:47,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:47,571 INFO L85 PathProgramCache]: Analyzing trace with hash 720865298, now seen corresponding path program 1 times [2023-11-19 07:36:47,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:47,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964492367] [2023-11-19 07:36:47,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:47,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:47,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:47,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:47,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:47,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1163077179, now seen corresponding path program 1 times [2023-11-19 07:36:47,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:47,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399903406] [2023-11-19 07:36:47,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:47,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:47,806 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 07:36:47,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:47,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399903406] [2023-11-19 07:36:47,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399903406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:47,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:47,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:36:47,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786461546] [2023-11-19 07:36:47,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:47,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:47,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:36:47,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:36:47,984 INFO L87 Difference]: Start difference. First operand 100 states and 128 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:36:48,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:48,189 INFO L93 Difference]: Finished difference Result 280 states and 360 transitions. [2023-11-19 07:36:48,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 280 states and 360 transitions. [2023-11-19 07:36:48,201 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 173 [2023-11-19 07:36:48,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 280 states to 280 states and 360 transitions. [2023-11-19 07:36:48,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 280 [2023-11-19 07:36:48,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 280 [2023-11-19 07:36:48,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 280 states and 360 transitions. [2023-11-19 07:36:48,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:36:48,220 INFO L218 hiAutomatonCegarLoop]: Abstraction has 280 states and 360 transitions. [2023-11-19 07:36:48,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states and 360 transitions. [2023-11-19 07:36:48,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 191. [2023-11-19 07:36:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 191 states have (on average 1.2722513089005236) internal successors, (243), 190 states have internal predecessors, (243), 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 07:36:48,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 243 transitions. [2023-11-19 07:36:48,245 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 243 transitions. [2023-11-19 07:36:48,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:36:48,247 INFO L428 stractBuchiCegarLoop]: Abstraction has 191 states and 243 transitions. [2023-11-19 07:36:48,247 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:36:48,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 243 transitions. [2023-11-19 07:36:48,250 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 133 [2023-11-19 07:36:48,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:36:48,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:36:48,252 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:48,253 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] [2023-11-19 07:36:48,253 INFO L748 eck$LassoCheckResult]: Stem: 674#$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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 675#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 672#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 673#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; 732#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 730#L900 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 719#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; 720#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 712#L721-2 [2023-11-19 07:36:48,253 INFO L750 eck$LassoCheckResult]: Loop: 712#L721-2 assume !false; 707#L722 assume test_~splverifierCounter~0#1 < 4; 708#L723 havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 739#L731 assume !(0 != test_~tmp~6#1); 640#L731-2 havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 641#L741 assume !(0 != test_~tmp___0~1#1); 645#L741-2 havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 669#L751 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 670#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 676#L759-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 685#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 727#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 693#L539 assume !(0 != ~pumpRunning~0); 665#L539-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 751#L571 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 722#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 656#L571-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 703#L546-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#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; 709#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 710#L941 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 746#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 787#L945 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 738#L941-1 havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 711#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 712#L721-2 [2023-11-19 07:36:48,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:48,255 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-19 07:36:48,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:48,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024811036] [2023-11-19 07:36:48,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:48,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:48,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:48,275 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:48,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1240811565, now seen corresponding path program 1 times [2023-11-19 07:36:48,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:48,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597244956] [2023-11-19 07:36:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:48,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:48,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:48,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:48,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:48,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1004666902, now seen corresponding path program 1 times [2023-11-19 07:36:48,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:48,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934423347] [2023-11-19 07:36:48,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:48,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:48,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:48,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:49,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:49,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:36:49 BoogieIcfgContainer [2023-11-19 07:36:49,585 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:36:49,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:36:49,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:36:49,586 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:36:49,586 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:46" (3/4) ... [2023-11-19 07:36:49,587 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:36:49,662 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:36:49,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:36:49,663 INFO L158 Benchmark]: Toolchain (without parser) took 4543.25ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 84.6MB in the beginning and 128.3MB in the end (delta: -43.8MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,664 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 130.0MB. Free memory was 101.8MB in the beginning and 101.7MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:49,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.28ms. Allocated memory is still 130.0MB. Free memory was 84.2MB in the beginning and 65.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.89ms. Allocated memory is still 130.0MB. Free memory was 65.3MB in the beginning and 62.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,665 INFO L158 Benchmark]: Boogie Preprocessor took 35.21ms. Allocated memory is still 130.0MB. Free memory was 62.5MB in the beginning and 60.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,665 INFO L158 Benchmark]: RCFGBuilder took 632.07ms. Allocated memory is still 130.0MB. Free memory was 60.4MB in the beginning and 99.4MB in the end (delta: -39.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,666 INFO L158 Benchmark]: BuchiAutomizer took 3165.16ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 98.9MB in the beginning and 130.4MB in the end (delta: -31.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,666 INFO L158 Benchmark]: Witness Printer took 77.47ms. Allocated memory is still 174.1MB. Free memory was 130.4MB in the beginning and 128.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,669 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 130.0MB. Free memory was 101.8MB in the beginning and 101.7MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.28ms. Allocated memory is still 130.0MB. Free memory was 84.2MB in the beginning and 65.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.89ms. Allocated memory is still 130.0MB. Free memory was 65.3MB in the beginning and 62.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.21ms. Allocated memory is still 130.0MB. Free memory was 62.5MB in the beginning and 60.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.07ms. Allocated memory is still 130.0MB. Free memory was 60.4MB in the beginning and 99.4MB in the end (delta: -39.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 3165.16ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 98.9MB in the beginning and 130.4MB in the end (delta: -31.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 77.47ms. Allocated memory is still 174.1MB. Free memory was 130.4MB in the beginning and 128.3MB 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,"libacc.i","") [145] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [520] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [777] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] - GenericResultAtLocation [Line: 913]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [913] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 191 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 89 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, 789 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 789 mSDsluCounter, 734 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 433 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 301 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 721]: 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; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L816] int cleanupTimeShifts = 4; [L914] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L891] int retValue_acc ; [L892] int tmp ; [L896] FCALL select_helpers() [L897] FCALL select_features() [L898] CALL, EXPR valid_product() [L807] int retValue_acc ; [L810] retValue_acc = 1 [L811] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L898] RET, EXPR valid_product() [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L902] FCALL setup() [L903] CALL runTest() [L884] CALL __utac_acc__Specification5_spec__1() [L919] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L884] RET __utac_acc__Specification5_spec__1() [L885] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L753] CALL startSystem() [L705] systemActive = 1 [L753] RET startSystem() [L766] CALL timeShift() [L537] CALL __utac_acc__Specification5_spec__2() [L928] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L928] RET, EXPR isPumpRunning() [L928] switchedOnBeforeTS = isPumpRunning() [L537] RET __utac_acc__Specification5_spec__2() [L539] COND FALSE !(\read(pumpRunning)) [L546] COND TRUE \read(systemActive) [L548] CALL processEnvironment() [L568] int tmp ; [L571] COND FALSE !(\read(pumpRunning)) [L586] FCALL processEnvironment__wrappee__base() [L548] RET processEnvironment() [L554] CALL __utac_acc__Specification5_spec__3() [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L939] RET, EXPR getWaterLevel() [L939] tmp = getWaterLevel() [L941] COND TRUE tmp != 2 [L943] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L943] RET, EXPR isPumpRunning() [L943] tmp___0 = isPumpRunning() [L945] COND FALSE !(\read(tmp___0)) [L554] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 721]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L816] int cleanupTimeShifts = 4; [L914] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L891] int retValue_acc ; [L892] int tmp ; [L896] FCALL select_helpers() [L897] FCALL select_features() [L898] CALL, EXPR valid_product() [L807] int retValue_acc ; [L810] retValue_acc = 1 [L811] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L898] RET, EXPR valid_product() [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L902] FCALL setup() [L903] CALL runTest() [L884] CALL __utac_acc__Specification5_spec__1() [L919] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L884] RET __utac_acc__Specification5_spec__1() [L885] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L753] CALL startSystem() [L705] systemActive = 1 [L753] RET startSystem() [L766] CALL timeShift() [L537] CALL __utac_acc__Specification5_spec__2() [L928] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L928] RET, EXPR isPumpRunning() [L928] switchedOnBeforeTS = isPumpRunning() [L537] RET __utac_acc__Specification5_spec__2() [L539] COND FALSE !(\read(pumpRunning)) [L546] COND TRUE \read(systemActive) [L548] CALL processEnvironment() [L568] int tmp ; [L571] COND FALSE !(\read(pumpRunning)) [L586] FCALL processEnvironment__wrappee__base() [L548] RET processEnvironment() [L554] CALL __utac_acc__Specification5_spec__3() [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L939] RET, EXPR getWaterLevel() [L939] tmp = getWaterLevel() [L941] COND TRUE tmp != 2 [L943] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L943] RET, EXPR isPumpRunning() [L943] tmp___0 = isPumpRunning() [L945] COND FALSE !(\read(tmp___0)) [L554] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:36:49,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eafad3-4260-44ec-b00c-5d251fb16c70/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)