./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product64.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_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/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_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/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_fcf079b1-7160-46b1-9916-cf09a34a81d4/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 323b2112d56f35ec9fc5a7837411d8e54d2d46e3d8981d77e080eaf0dd99497b
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:59:52,349 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:59:52,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 07:59:52,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:59:52,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:59:52,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:59:52,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:59:52,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:59:52,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:59:52,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:59:52,485 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:59:52,486 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 07:59:52,486 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2023-11-19 07:59:52,487 INFO L153 SettingsManager]: * Use old map elimination=false
[2023-11-19 07:59:52,488 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2023-11-19 07:59:52,488 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2023-11-19 07:59:52,489 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 07:59:52,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:59:52,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2023-11-19 07:59:52,491 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:59:52,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:59:52,492 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:59:52,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:59:52,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 07:59:52,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 07:59:52,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 07:59:52,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:59:52,496 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:59:52,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:59:52,497 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2023-11-19 07:59:52,498 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:59:52,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:59:52,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:59:52,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:59:52,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:59:52,501 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 07:59:52,502 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_fcf079b1-7160-46b1-9916-cf09a34a81d4/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 323b2112d56f35ec9fc5a7837411d8e54d2d46e3d8981d77e080eaf0dd99497b
[2023-11-19 07:59:52,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:59:52,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:59:52,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:59:52,863 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:59:52,864 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:59:52,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec5_product64.cil.c
[2023-11-19 07:59:56,133 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:59:56,537 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:59:56,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/sv-benchmarks/c/product-lines/minepump_spec5_product64.cil.c
[2023-11-19 07:59:56,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/data/a1d10e5cd/83b8e9832d9248b4b34ec878c38f5cae/FLAG0c974f8d7
[2023-11-19 07:59:56,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/data/a1d10e5cd/83b8e9832d9248b4b34ec878c38f5cae
[2023-11-19 07:59:56,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:59:56,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:59:56,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:59:56,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:59:56,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:59:56,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:56" (1/1) ...
[2023-11-19 07:59:56,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6a817c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:56, skipping insertion in model container
[2023-11-19 07:59:56,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:56" (1/1) ...
[2023-11-19 07:59:56,674 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:59:56,963 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:59:56,981 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:59:56,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49]
[2023-11-19 07:59:56,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101]
[2023-11-19 07:59:56,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176]
[2023-11-19 07:59:56,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [450]
[2023-11-19 07:59:56,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [553]
[2023-11-19 07:59:56,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [653]
[2023-11-19 07:59:56,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [662]
[2023-11-19 07:59:56,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [697]
[2023-11-19 07:59:57,106 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:59:57,146 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:59:57,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57 WrapperNode
[2023-11-19 07:59:57,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:59:57,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:59:57,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:59:57,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:59:57,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,235 INFO L138 Inliner]: procedures = 61, calls = 111, calls flagged for inlining = 64, calls inlined = 186, statements flattened = 1253
[2023-11-19 07:59:57,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:59:57,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:59:57,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:59:57,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:59:57,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:59:57,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:59:57,309 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:59:57,309 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:59:57,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ...
[2023-11-19 07:59:57,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:57,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:57,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:57,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:59:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:59:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:59:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:59:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:59:57,499 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:59:57,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:59:58,322 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:59:58,340 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:59:58,347 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:59:58,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:58 BoogieIcfgContainer
[2023-11-19 07:59:58,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:59:58,366 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 07:59:58,367 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 07:59:58,371 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2023-11-19 07:59:58,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:59:58,372 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:59:56" (1/3) ...
[2023-11-19 07:59:58,374 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@789b872f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:59:58, skipping insertion in model container
[2023-11-19 07:59:58,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:59:58,374 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (2/3) ...
[2023-11-19 07:59:58,375 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@789b872f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:59:58, skipping insertion in model container
[2023-11-19 07:59:58,375 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:59:58,375 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:58" (3/3) ...
[2023-11-19 07:59:58,377 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product64.cil.c
[2023-11-19 07:59:58,447 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 07:59:58,448 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2023-11-19 07:59:58,448 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 07:59:58,448 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 07:59:58,448 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 07:59:58,448 INFO L308 stractBuchiCegarLoop]: Difference is false
[2023-11-19 07:59:58,449 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 07:59:58,449 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 07:59:58,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 336 states, 335 states have (on average 1.346268656716418) internal successors, (451), 335 states have internal predecessors, (451), 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 07:59:58,495 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 221
[2023-11-19 07:59:58,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:59:58,496 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:59:58,504 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:58,505 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 07:59:58,505 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 07:59:58,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 336 states, 335 states have (on average 1.346268656716418) internal successors, (451), 335 states have internal predecessors, (451), 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 07:59:58,524 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 221
[2023-11-19 07:59:58,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:59:58,524 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:59:58,526 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:58,526 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 07:59:58,536 INFO L748 eck$LassoCheckResult]: Stem: 184#$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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 199#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 293#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; 108#valid_product_returnLabel#1true main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 30#L640true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 82#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; 316#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 69#L118-2true
[2023-11-19 07:59:58,537 INFO L750 eck$LassoCheckResult]: Loop: 69#L118-2true assume !false; 318#L119true assume test_~splverifierCounter~0#1 < 4; 210#L120true havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 226#L128true assume !(0 != test_~tmp~1#1); 337#L128-2true havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 239#L138true assume !(0 != test_~tmp___0~1#1); 278#L138-2true havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 29#L148true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 62#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 194#L156-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 307#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 264#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 124#L195true assume !(0 != ~pumpRunning~0); 88#L195-2true assume !(0 != ~systemActive~0); 121#L202-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 236#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 159#L80true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 310#L80-1true havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 237#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 69#L118-2true
[2023-11-19 07:59:58,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:58,541 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2023-11-19 07:59:58,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:58,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89293970]
[2023-11-19 07:59:58,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:58,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:58,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:58,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:58,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:58,739 INFO L85 PathProgramCache]: Analyzing trace with hash 483878189, now seen corresponding path program 1 times
[2023-11-19 07:59:58,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:58,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082002937]
[2023-11-19 07:59:58,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:58,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:58,837 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 07:59:58,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:59:58,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082002937]
[2023-11-19 07:59:58,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082002937] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:59:58,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:59:58,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:59:58,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920652374]
[2023-11-19 07:59:58,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:59:58,843 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:59:58,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:59:58,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:59:58,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:59:58,877 INFO L87 Difference]: Start difference. First operand has 336 states, 335 states have (on average 1.346268656716418) internal successors, (451), 335 states have internal predecessors, (451), 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 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 07:59:58,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:59:58,984 INFO L93 Difference]: Finished difference Result 650 states and 862 transitions.
[2023-11-19 07:59:58,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 650 states and 862 transitions.
[2023-11-19 07:59:58,997 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 428
[2023-11-19 07:59:59,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 650 states to 630 states and 841 transitions.
[2023-11-19 07:59:59,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 630
[2023-11-19 07:59:59,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 630
[2023-11-19 07:59:59,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 630 states and 841 transitions.
[2023-11-19 07:59:59,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:59:59,020 INFO L218 hiAutomatonCegarLoop]: Abstraction has 630 states and 841 transitions.
[2023-11-19 07:59:59,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states and 841 transitions.
[2023-11-19 07:59:59,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 627.
[2023-11-19 07:59:59,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 627 states have (on average 1.3349282296650717) internal successors, (837), 626 states have internal predecessors, (837), 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 07:59:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 837 transitions.
[2023-11-19 07:59:59,089 INFO L240 hiAutomatonCegarLoop]: Abstraction has 627 states and 837 transitions.
[2023-11-19 07:59:59,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:59:59,100 INFO L428 stractBuchiCegarLoop]: Abstraction has 627 states and 837 transitions.
[2023-11-19 07:59:59,100 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 07:59:59,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 627 states and 837 transitions.
[2023-11-19 07:59:59,107 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 425
[2023-11-19 07:59:59,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:59:59,107 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:59:59,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:59,109 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:59,109 INFO L748 eck$LassoCheckResult]: Stem: 1265#$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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1266#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1042#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1043#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; 1192#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 1053#L640 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1054#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; 1151#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1128#L118-2
[2023-11-19 07:59:59,109 INFO L750 eck$LassoCheckResult]: Loop: 1128#L118-2 assume !false; 1129#L119 assume test_~splverifierCounter~0#1 < 4; 1402#L120 havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1546#L128 assume !(0 != test_~tmp~1#1); 1543#L128-2 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1540#L138 assume !(0 != test_~tmp___0~1#1); 1537#L138-2 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1535#L148 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1051#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1117#L156-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1330#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 1318#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1209#L195 assume !(0 != ~pumpRunning~0); 1163#L195-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 1124#L279 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret15#1, isMethaneAlarm_~retValue_acc~0#1;havoc isMethaneAlarm_~retValue_acc~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 1126#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret15#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0#1 := isMethaneAlarm_#t~ret15#1;havoc isMethaneAlarm_#t~ret15#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; 1331#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret13#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret15#1, isMethaneAlarm_~retValue_acc~0#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret13#1;havoc processEnvironment_#t~ret13#1; 1322#L283 assume 0 != processEnvironment_~tmp~4#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1143#deactivatePump_returnLabel#2 assume { :end_inline_deactivatePump } true; 1037#L279-1 havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 1206#L202-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 1207#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 1299#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 1332#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1300#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1128#L118-2
[2023-11-19 07:59:59,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:59,110 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2023-11-19 07:59:59,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:59,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705967068]
[2023-11-19 07:59:59,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:59,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:59,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:59,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:59,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:59,141 INFO L85 PathProgramCache]: Analyzing trace with hash -459022570, now seen corresponding path program 1 times
[2023-11-19 07:59:59,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:59,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758596276]
[2023-11-19 07:59:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:59,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:59,197 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 07:59:59,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:59:59,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758596276]
[2023-11-19 07:59:59,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758596276] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:59:59,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:59:59,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:59:59,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018284273]
[2023-11-19 07:59:59,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:59:59,201 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:59:59,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:59:59,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:59:59,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:59:59,202 INFO L87 Difference]: Start difference. First operand 627 states and 837 transitions. cyclomatic complexity: 213 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:59,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:59:59,339 INFO L93 Difference]: Finished difference Result 661 states and 840 transitions.
[2023-11-19 07:59:59,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 661 states and 840 transitions.
[2023-11-19 07:59:59,347 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 459
[2023-11-19 07:59:59,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 661 states to 661 states and 840 transitions.
[2023-11-19 07:59:59,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 661
[2023-11-19 07:59:59,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 661
[2023-11-19 07:59:59,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 661 states and 840 transitions.
[2023-11-19 07:59:59,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:59:59,359 INFO L218 hiAutomatonCegarLoop]: Abstraction has 661 states and 840 transitions.
[2023-11-19 07:59:59,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states and 840 transitions.
[2023-11-19 07:59:59,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661.
[2023-11-19 07:59:59,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 661 states have (on average 1.2708018154311649) internal successors, (840), 660 states have internal predecessors, (840), 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 07:59:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 840 transitions.
[2023-11-19 07:59:59,393 INFO L240 hiAutomatonCegarLoop]: Abstraction has 661 states and 840 transitions.
[2023-11-19 07:59:59,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:59:59,394 INFO L428 stractBuchiCegarLoop]: Abstraction has 661 states and 840 transitions.
[2023-11-19 07:59:59,395 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2023-11-19 07:59:59,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 661 states and 840 transitions.
[2023-11-19 07:59:59,400 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 459
[2023-11-19 07:59:59,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:59:59,401 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:59:59,402 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:59,402 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:59,402 INFO L748 eck$LassoCheckResult]: Stem: 2511#$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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 2512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 2316#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2317#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; 2432#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 2327#L640 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 2328#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; 2400#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2387#L118-2
[2023-11-19 07:59:59,403 INFO L750 eck$LassoCheckResult]: Loop: 2387#L118-2 assume !false; 2388#L119 assume test_~splverifierCounter~0#1 < 4; 2614#L120 havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 2549#L128 assume !(0 != test_~tmp~1#1); 2522#L128-2 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 2565#L138 assume !(0 != test_~tmp___0~1#1); 2566#L138-2 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 2324#L148 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2325#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 2382#L156-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 2607#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 2608#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2448#L195 assume !(0 != ~pumpRunning~0); 2410#L195-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 2383#L279 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~3#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~3#1; 2384#L253-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 2569#L227-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 2570#L534-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 2592#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 2543#L398-9 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~2#1 := 0; 2544#L398-11 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 2529#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret11#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret11#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1; 2353#L231-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2355#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 2449#L227-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2465#L253-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2315#L279-1 havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 2619#L202-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 2560#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 2561#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 2759#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2562#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2387#L118-2
[2023-11-19 07:59:59,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:59,404 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2023-11-19 07:59:59,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:59,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073788905]
[2023-11-19 07:59:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:59,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:59,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:59,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:59,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:59,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2103479536, now seen corresponding path program 1 times
[2023-11-19 07:59:59,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:59,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763489051]
[2023-11-19 07:59:59,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:59,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:59,699 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 07:59:59,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:59:59,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763489051]
[2023-11-19 07:59:59,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763489051] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:59:59,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:59:59,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:59:59,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455394280]
[2023-11-19 07:59:59,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:59:59,703 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:59:59,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:59:59,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:59:59,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:59:59,704 INFO L87 Difference]: Start difference. First operand 661 states and 840 transitions. cyclomatic complexity: 182 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:00:00,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:00:00,004 INFO L93 Difference]: Finished difference Result 2286 states and 2884 transitions.
[2023-11-19 08:00:00,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2286 states and 2884 transitions.
[2023-11-19 08:00:00,028 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1563
[2023-11-19 08:00:00,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2286 states to 2286 states and 2884 transitions.
[2023-11-19 08:00:00,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2286
[2023-11-19 08:00:00,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2286
[2023-11-19 08:00:00,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2286 states and 2884 transitions.
[2023-11-19 08:00:00,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:00:00,055 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2286 states and 2884 transitions.
[2023-11-19 08:00:00,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states and 2884 transitions.
[2023-11-19 08:00:00,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 1308.
[2023-11-19 08:00:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1308 states have (on average 1.2599388379204892) internal successors, (1648), 1307 states have internal predecessors, (1648), 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 08:00:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1648 transitions.
[2023-11-19 08:00:00,102 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1308 states and 1648 transitions.
[2023-11-19 08:00:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 08:00:00,105 INFO L428 stractBuchiCegarLoop]: Abstraction has 1308 states and 1648 transitions.
[2023-11-19 08:00:00,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2023-11-19 08:00:00,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1308 states and 1648 transitions.
[2023-11-19 08:00:00,114 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 914
[2023-11-19 08:00:00,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 08:00:00,115 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 08:00:00,116 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:00:00,116 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:00:00,117 INFO L748 eck$LassoCheckResult]: Stem: 5472#$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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 5473#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 5276#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 5277#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; 5401#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 5287#L640 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 5288#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; 5366#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 5555#L118-2
[2023-11-19 08:00:00,117 INFO L750 eck$LassoCheckResult]: Loop: 5555#L118-2 assume !false; 5960#L119 assume test_~splverifierCounter~0#1 < 4; 5953#L120 havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 5950#L128 assume !(0 != test_~tmp~1#1); 5562#L128-2 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 5515#L138 assume !(0 != test_~tmp___0~1#1); 5516#L138-2 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 5537#L148 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 5285#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 5347#L156-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 5993#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 5992#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 5991#L195 assume !(0 != ~pumpRunning~0); 5628#L195-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 5350#L279 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~3#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~3#1; 5351#L253-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 5800#L227-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 5735#L534-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 5731#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 5729#L398-9 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~2#1 := 0; 5727#L398-11 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 5724#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret11#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret11#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1; 5720#L231-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 5721#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 5983#L227-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 5976#L253-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 5975#L279-1 havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 5974#L202-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 5973#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 5972#L80 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 5971#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 5969#L84 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 5968#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 5967#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 5555#L118-2
[2023-11-19 08:00:00,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:00,118 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times
[2023-11-19 08:00:00,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:00,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494556605]
[2023-11-19 08:00:00,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:00,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:00,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:00:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:00,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:00:00,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:00,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1464765035, now seen corresponding path program 1 times
[2023-11-19 08:00:00,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:00,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927924951]
[2023-11-19 08:00:00,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:00,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:00,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:00:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:00,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:00:00,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:00,216 INFO L85 PathProgramCache]: Analyzing trace with hash -769051884, now seen corresponding path program 1 times
[2023-11-19 08:00:00,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:00,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115052887]
[2023-11-19 08:00:00,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:00,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:00,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:00:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:00,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:00:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:01,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:00:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:01,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:00:01 BoogieIcfgContainer
[2023-11-19 08:00:01,762 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 08:00:01,763 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:00:01,763 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:00:01,763 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:00:01,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:58" (3/4) ...
[2023-11-19 08:00:01,766 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2023-11-19 08:00:01,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:00:01,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:00:01,825 INFO L158 Benchmark]: Toolchain (without parser) took 5233.20ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 120.7MB in the beginning and 106.9MB in the end (delta: 13.9MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB.
[2023-11-19 08:00:01,825 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 153.1MB. Free memory was 127.4MB in the beginning and 127.3MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:00:01,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.89ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 101.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 08:00:01,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.60ms. Allocated memory is still 153.1MB. Free memory was 101.3MB in the beginning and 96.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:00:01,826 INFO L158 Benchmark]: Boogie Preprocessor took 71.95ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 92.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:00:01,827 INFO L158 Benchmark]: RCFGBuilder took 1056.15ms. Allocated memory is still 153.1MB. Free memory was 92.0MB in the beginning and 116.9MB in the end (delta: -24.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB.
[2023-11-19 08:00:01,827 INFO L158 Benchmark]: BuchiAutomizer took 3396.59ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 116.9MB in the beginning and 110.0MB in the end (delta: 6.9MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB.
[2023-11-19 08:00:01,828 INFO L158 Benchmark]: Witness Printer took 61.05ms. Allocated memory is still 195.0MB. Free memory was 110.0MB in the beginning and 106.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:00:01,830 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 153.1MB. Free memory was 127.4MB in the beginning and 127.3MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 553.89ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 101.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 87.60ms. Allocated memory is still 153.1MB. Free memory was 101.3MB in the beginning and 96.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 71.95ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 92.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1056.15ms. Allocated memory is still 153.1MB. Free memory was 92.0MB in the beginning and 116.9MB in the end (delta: -24.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB.
* BuchiAutomizer took 3396.59ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 116.9MB in the beginning and 110.0MB in the end (delta: 6.9MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB.
* Witness Printer took 61.05ms. Allocated memory is still 195.0MB. Free memory was 110.0MB in the beginning and 106.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49]
- GenericResultAtLocation [Line: 101]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101]
- GenericResultAtLocation [Line: 176]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176]
- GenericResultAtLocation [Line: 450]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [450]
- GenericResultAtLocation [Line: 553]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [553]
- GenericResultAtLocation [Line: 653]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [653]
- GenericResultAtLocation [Line: 662]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [662]
- GenericResultAtLocation [Line: 697]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [697]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 1308 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 3.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 981 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1553 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1553 mSDsluCounter, 3463 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2053 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 244 IncrementalHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 1410 mSDtfsCounter, 244 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 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: 118]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L53] int switchedOnBeforeTS ;
[L185] int pumpRunning = 0;
[L186] int systemActive = 1;
[L451] int waterLevel = 1;
[L452] int methaneLevelCritical = 0;
[L554] int cleanupTimeShifts = 4;
[L867] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L631] int retValue_acc ;
[L632] int tmp ;
[L636] FCALL select_helpers()
[L637] FCALL select_features()
[L638] CALL, EXPR valid_product()
[L689] int retValue_acc ;
[L692] retValue_acc = 1
[L693] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L638] RET, EXPR valid_product()
[L638] tmp = valid_product()
[L640] COND TRUE \read(tmp)
[L642] FCALL setup()
[L643] CALL runTest()
[L621] CALL __utac_acc__Specification5_spec__1()
[L58] switchedOnBeforeTS = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L621] RET __utac_acc__Specification5_spec__1()
[L622] CALL test()
[L109] int splverifierCounter ;
[L110] int tmp ;
[L111] int tmp___0 ;
[L112] int tmp___1 ;
[L113] int tmp___2 ;
[L116] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
Loop:
[L118] COND TRUE 1
[L120] COND TRUE splverifierCounter < 4
[L126] tmp = __VERIFIER_nondet_int()
[L128] COND FALSE !(\read(tmp))
[L136] tmp___0 = __VERIFIER_nondet_int()
[L138] COND FALSE !(\read(tmp___0))
[L146] tmp___2 = __VERIFIER_nondet_int()
[L148] COND TRUE \read(tmp___2)
[L150] CALL startSystem()
[L446] systemActive = 1
[L150] RET startSystem()
[L165] CALL timeShift()
[L193] CALL __utac_acc__Specification5_spec__2()
[L67] CALL, EXPR isPumpRunning()
[L345] int retValue_acc ;
[L348] retValue_acc = pumpRunning
[L349] return (retValue_acc);
[L67] RET, EXPR isPumpRunning()
[L67] switchedOnBeforeTS = isPumpRunning()
[L193] RET __utac_acc__Specification5_spec__2()
[L195] COND FALSE !(\read(pumpRunning))
[L202] COND TRUE \read(systemActive)
[L204] CALL processEnvironment()
[L276] int tmp ;
[L279] COND FALSE !(\read(pumpRunning))
[L294] CALL processEnvironment__wrappee__methaneQuery()
[L250] int tmp ;
[L253] COND FALSE !(\read(pumpRunning))
[L268] CALL processEnvironment__wrappee__highWaterSensor()
[L224] int tmp ;
[L227] COND TRUE ! pumpRunning
[L229] CALL, EXPR isHighWaterLevel()
[L390] int retValue_acc ;
[L391] int tmp ;
[L392] int tmp___0 ;
[L396] CALL, EXPR isHighWaterSensorDry()
[L531] int retValue_acc ;
[L534] COND TRUE waterLevel < 2
[L535] retValue_acc = 1
[L536] return (retValue_acc);
[L396] RET, EXPR isHighWaterSensorDry()
[L396] tmp = isHighWaterSensorDry()
[L398] COND TRUE \read(tmp)
[L399] tmp___0 = 0
[L403] retValue_acc = tmp___0
[L404] return (retValue_acc);
[L229] RET, EXPR isHighWaterLevel()
[L229] tmp = isHighWaterLevel()
[L231] COND FALSE !(\read(tmp))
[L237] FCALL processEnvironment__wrappee__base()
[L268] RET processEnvironment__wrappee__highWaterSensor()
[L294] RET processEnvironment__wrappee__methaneQuery()
[L204] RET processEnvironment()
[L210] CALL __utac_acc__Specification5_spec__3()
[L73] int tmp ;
[L74] int tmp___0 ;
[L78] CALL, EXPR getWaterLevel()
[L522] int retValue_acc ;
[L525] retValue_acc = waterLevel
[L526] return (retValue_acc);
[L78] RET, EXPR getWaterLevel()
[L78] tmp = getWaterLevel()
[L80] COND TRUE tmp != 2
[L82] CALL, EXPR isPumpRunning()
[L345] int retValue_acc ;
[L348] retValue_acc = pumpRunning
[L349] return (retValue_acc);
[L82] RET, EXPR isPumpRunning()
[L82] tmp___0 = isPumpRunning()
[L84] COND FALSE !(\read(tmp___0))
[L210] RET __utac_acc__Specification5_spec__3()
[L165] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 118]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L53] int switchedOnBeforeTS ;
[L185] int pumpRunning = 0;
[L186] int systemActive = 1;
[L451] int waterLevel = 1;
[L452] int methaneLevelCritical = 0;
[L554] int cleanupTimeShifts = 4;
[L867] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L631] int retValue_acc ;
[L632] int tmp ;
[L636] FCALL select_helpers()
[L637] FCALL select_features()
[L638] CALL, EXPR valid_product()
[L689] int retValue_acc ;
[L692] retValue_acc = 1
[L693] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L638] RET, EXPR valid_product()
[L638] tmp = valid_product()
[L640] COND TRUE \read(tmp)
[L642] FCALL setup()
[L643] CALL runTest()
[L621] CALL __utac_acc__Specification5_spec__1()
[L58] switchedOnBeforeTS = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L621] RET __utac_acc__Specification5_spec__1()
[L622] CALL test()
[L109] int splverifierCounter ;
[L110] int tmp ;
[L111] int tmp___0 ;
[L112] int tmp___1 ;
[L113] int tmp___2 ;
[L116] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
Loop:
[L118] COND TRUE 1
[L120] COND TRUE splverifierCounter < 4
[L126] tmp = __VERIFIER_nondet_int()
[L128] COND FALSE !(\read(tmp))
[L136] tmp___0 = __VERIFIER_nondet_int()
[L138] COND FALSE !(\read(tmp___0))
[L146] tmp___2 = __VERIFIER_nondet_int()
[L148] COND TRUE \read(tmp___2)
[L150] CALL startSystem()
[L446] systemActive = 1
[L150] RET startSystem()
[L165] CALL timeShift()
[L193] CALL __utac_acc__Specification5_spec__2()
[L67] CALL, EXPR isPumpRunning()
[L345] int retValue_acc ;
[L348] retValue_acc = pumpRunning
[L349] return (retValue_acc);
[L67] RET, EXPR isPumpRunning()
[L67] switchedOnBeforeTS = isPumpRunning()
[L193] RET __utac_acc__Specification5_spec__2()
[L195] COND FALSE !(\read(pumpRunning))
[L202] COND TRUE \read(systemActive)
[L204] CALL processEnvironment()
[L276] int tmp ;
[L279] COND FALSE !(\read(pumpRunning))
[L294] CALL processEnvironment__wrappee__methaneQuery()
[L250] int tmp ;
[L253] COND FALSE !(\read(pumpRunning))
[L268] CALL processEnvironment__wrappee__highWaterSensor()
[L224] int tmp ;
[L227] COND TRUE ! pumpRunning
[L229] CALL, EXPR isHighWaterLevel()
[L390] int retValue_acc ;
[L391] int tmp ;
[L392] int tmp___0 ;
[L396] CALL, EXPR isHighWaterSensorDry()
[L531] int retValue_acc ;
[L534] COND TRUE waterLevel < 2
[L535] retValue_acc = 1
[L536] return (retValue_acc);
[L396] RET, EXPR isHighWaterSensorDry()
[L396] tmp = isHighWaterSensorDry()
[L398] COND TRUE \read(tmp)
[L399] tmp___0 = 0
[L403] retValue_acc = tmp___0
[L404] return (retValue_acc);
[L229] RET, EXPR isHighWaterLevel()
[L229] tmp = isHighWaterLevel()
[L231] COND FALSE !(\read(tmp))
[L237] FCALL processEnvironment__wrappee__base()
[L268] RET processEnvironment__wrappee__highWaterSensor()
[L294] RET processEnvironment__wrappee__methaneQuery()
[L204] RET processEnvironment()
[L210] CALL __utac_acc__Specification5_spec__3()
[L73] int tmp ;
[L74] int tmp___0 ;
[L78] CALL, EXPR getWaterLevel()
[L522] int retValue_acc ;
[L525] retValue_acc = waterLevel
[L526] return (retValue_acc);
[L78] RET, EXPR getWaterLevel()
[L78] tmp = getWaterLevel()
[L80] COND TRUE tmp != 2
[L82] CALL, EXPR isPumpRunning()
[L345] int retValue_acc ;
[L348] retValue_acc = pumpRunning
[L349] return (retValue_acc);
[L82] RET, EXPR isPumpRunning()
[L82] tmp___0 = isPumpRunning()
[L84] COND FALSE !(\read(tmp___0))
[L210] RET __utac_acc__Specification5_spec__3()
[L165] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 08:00:01,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf079b1-7160-46b1-9916-cf09a34a81d4/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)