./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.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_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/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_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/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_f214ae90-431a-4760-aba6-8eda51c71c97/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 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:38:10,353 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:38:10,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 07:38:10,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:38:10,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:38:10,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:38:10,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:38:10,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:38:10,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:38:10,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:38:10,471 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:38:10,471 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 07:38:10,472 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2023-11-19 07:38:10,472 INFO L153 SettingsManager]: * Use old map elimination=false
[2023-11-19 07:38:10,473 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2023-11-19 07:38:10,474 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2023-11-19 07:38:10,474 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 07:38:10,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:38:10,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2023-11-19 07:38:10,476 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:38:10,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:38:10,484 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:38:10,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:38:10,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 07:38:10,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 07:38:10,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 07:38:10,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:38:10,490 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:38:10,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:38:10,490 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2023-11-19 07:38:10,491 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:38:10,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:38:10,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:38:10,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:38:10,494 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:38:10,494 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 07:38:10,495 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_f214ae90-431a-4760-aba6-8eda51c71c97/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35
[2023-11-19 07:38:10,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:38:10,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:38:10,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:38:10,797 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:38:10,798 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:38:10,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c
[2023-11-19 07:38:14,034 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:38:14,304 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:38:14,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c
[2023-11-19 07:38:14,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/data/86199f464/b71ec69c571249308759801243b4230a/FLAG330e6bcc1
[2023-11-19 07:38:14,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/data/86199f464/b71ec69c571249308759801243b4230a
[2023-11-19 07:38:14,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:38:14,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:38:14,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:38:14,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:38:14,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:38:14,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:14,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f71a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14, skipping insertion in model container
[2023-11-19 07:38:14,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:14,444 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:38:14,758 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:38:14,776 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:38:14,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
[2023-11-19 07:38:14,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87]
[2023-11-19 07:38:14,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [198]
[2023-11-19 07:38:14,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [268]
[2023-11-19 07:38:14,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [511]
[2023-11-19 07:38:14,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [877]
[2023-11-19 07:38:14,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [917]
[2023-11-19 07:38:14,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1014]
[2023-11-19 07:38:14,894 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:38:14,940 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:38:14,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14 WrapperNode
[2023-11-19 07:38:14,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:38:14,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:38:14,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:38:14,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:38:14,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:14,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,030 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 59, calls inlined = 143, statements flattened = 974
[2023-11-19 07:38:15,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:38:15,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:38:15,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:38:15,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:38:15,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:38:15,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:38:15,091 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:38:15,092 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:38:15,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (1/1) ...
[2023-11-19 07:38:15,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:38:15,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:38:15,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:38:15,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:38:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:38:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:38:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:38:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:38:15,355 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:38:15,358 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:38:16,086 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:38:16,099 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:38:16,100 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:38:16,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:16 BoogieIcfgContainer
[2023-11-19 07:38:16,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:38:16,108 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 07:38:16,108 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 07:38:16,112 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2023-11-19 07:38:16,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:38:16,113 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:38:14" (1/3) ...
[2023-11-19 07:38:16,114 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5117e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:38:16, skipping insertion in model container
[2023-11-19 07:38:16,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:38:16,114 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:14" (2/3) ...
[2023-11-19 07:38:16,115 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5117e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:38:16, skipping insertion in model container
[2023-11-19 07:38:16,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:38:16,115 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:16" (3/3) ...
[2023-11-19 07:38:16,117 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product55.cil.c
[2023-11-19 07:38:16,188 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 07:38:16,188 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2023-11-19 07:38:16,188 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 07:38:16,188 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 07:38:16,189 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 07:38:16,189 INFO L308 stractBuchiCegarLoop]: Difference is false
[2023-11-19 07:38:16,189 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 07:38:16,189 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 07:38:16,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 281 states, 280 states have (on average 1.3714285714285714) internal successors, (384), 280 states have internal predecessors, (384), 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 07:38:16,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 184
[2023-11-19 07:38:16,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:38:16,239 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:38:16,247 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:16,247 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:16,247 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 07:38:16,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 281 states, 280 states have (on average 1.3714285714285714) internal successors, (384), 280 states have internal predecessors, (384), 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 07:38:16,271 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 184
[2023-11-19 07:38:16,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:38:16,271 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:38:16,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:16,273 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:16,279 INFO L748 eck$LassoCheckResult]: Stem: 171#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 184#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 23#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 246#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 97#valid_product_returnLabel#1true main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 32#L1001true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 77#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 112#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 136#L212-2true
[2023-11-19 07:38:16,279 INFO L750 eck$LassoCheckResult]: Loop: 136#L212-2true assume !false; 132#L213true assume test_~splverifierCounter~0#1 < 4; 268#L214true havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 92#L222true assume !(0 != test_~tmp~0#1); 13#L222-2true havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 140#L232true assume !(0 != test_~tmp___0~0#1); 89#L232-2true havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 278#L242true assume 0 != test_~tmp___2~0#1; 173#L248-2true assume { :begin_inline_timeShift } true; 160#L281true assume !(0 != ~pumpRunning~0); 222#L281-2true assume !(0 != ~systemActive~0); 209#L288-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 212#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 10#L896true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 225#L896-1true havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 204#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 136#L212-2true
[2023-11-19 07:38:16,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:16,287 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2023-11-19 07:38:16,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:16,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056828920]
[2023-11-19 07:38:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:16,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:16,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:16,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:16,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:16,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2025404404, now seen corresponding path program 1 times
[2023-11-19 07:38:16,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:16,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734751018]
[2023-11-19 07:38:16,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:16,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:16,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:16,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:16,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:16,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2107275509, now seen corresponding path program 1 times
[2023-11-19 07:38:16,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:16,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040126206]
[2023-11-19 07:38:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:16,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:38:16,836 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 07:38:16,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:38:16,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040126206]
[2023-11-19 07:38:16,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040126206] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:38:16,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:38:16,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:38:16,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416977189]
[2023-11-19 07:38:16,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:38:16,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:38:17,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:38:17,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:38:17,028 INFO L87 Difference]: Start difference. First operand has 281 states, 280 states have (on average 1.3714285714285714) internal successors, (384), 280 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:38:17,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:38:17,234 INFO L93 Difference]: Finished difference Result 609 states and 816 transitions.
[2023-11-19 07:38:17,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 609 states and 816 transitions.
[2023-11-19 07:38:17,245 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 397
[2023-11-19 07:38:17,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 609 states to 579 states and 786 transitions.
[2023-11-19 07:38:17,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 579
[2023-11-19 07:38:17,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 579
[2023-11-19 07:38:17,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 579 states and 786 transitions.
[2023-11-19 07:38:17,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:38:17,278 INFO L218 hiAutomatonCegarLoop]: Abstraction has 579 states and 786 transitions.
[2023-11-19 07:38:17,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states and 786 transitions.
[2023-11-19 07:38:17,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 320.
[2023-11-19 07:38:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 320 states have (on average 1.35625) internal successors, (434), 319 states have internal predecessors, (434), 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 07:38:17,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 434 transitions.
[2023-11-19 07:38:17,333 INFO L240 hiAutomatonCegarLoop]: Abstraction has 320 states and 434 transitions.
[2023-11-19 07:38:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:38:17,339 INFO L428 stractBuchiCegarLoop]: Abstraction has 320 states and 434 transitions.
[2023-11-19 07:38:17,339 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 07:38:17,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 320 states and 434 transitions.
[2023-11-19 07:38:17,342 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 220
[2023-11-19 07:38:17,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:38:17,343 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:38:17,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:17,344 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:17,344 INFO L748 eck$LassoCheckResult]: Stem: 1135#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 1136#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 949#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 950#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1057#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 966#L1001 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 967#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1030#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1078#L212-2
[2023-11-19 07:38:17,345 INFO L750 eck$LassoCheckResult]: Loop: 1078#L212-2 assume !false; 1100#L213 assume test_~splverifierCounter~0#1 < 4; 1101#L214 havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 1052#L222 assume !(0 != test_~tmp~0#1); 929#L222-2 havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 930#L232 assume !(0 != test_~tmp___0~0#1); 1047#L232-2 havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1048#L242 assume 0 != test_~tmp___2~0#1; 1111#L248-2 assume { :begin_inline_timeShift } true; 1126#L281 assume !(0 != ~pumpRunning~0); 990#L281-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1005#L365 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret17#1, isMethaneAlarm_~retValue_acc~6#1;havoc isMethaneAlarm_~retValue_acc~6#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 1006#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret17#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~6#1 := isMethaneAlarm_#t~ret17#1;havoc isMethaneAlarm_#t~ret17#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; 1170#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret16#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret17#1, isMethaneAlarm_~retValue_acc~6#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret16#1;havoc processEnvironment_#t~ret16#1; 1140#L369 assume 0 != processEnvironment_~tmp~3#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1028#deactivatePump_returnLabel#2 assume { :end_inline_deactivatePump } true; 919#L365-1 havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 920#L288-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 1155#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 921#L896 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 923#L896-1 havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1153#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1078#L212-2
[2023-11-19 07:38:17,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2023-11-19 07:38:17,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:17,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033824172]
[2023-11-19 07:38:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:17,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:17,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:17,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:17,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1274712971, now seen corresponding path program 1 times
[2023-11-19 07:38:17,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:17,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649877025]
[2023-11-19 07:38:17,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:17,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:38:17,435 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 07:38:17,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:38:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649877025]
[2023-11-19 07:38:17,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649877025] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:38:17,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:38:17,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:38:17,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095095439]
[2023-11-19 07:38:17,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:38:17,438 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:38:17,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:38:17,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:38:17,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:38:17,441 INFO L87 Difference]: Start difference. First operand 320 states and 434 transitions. cyclomatic complexity: 117 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 07:38:17,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:38:17,557 INFO L93 Difference]: Finished difference Result 328 states and 422 transitions.
[2023-11-19 07:38:17,558 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 328 states and 422 transitions.
[2023-11-19 07:38:17,562 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231
[2023-11-19 07:38:17,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 328 states to 328 states and 422 transitions.
[2023-11-19 07:38:17,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 328
[2023-11-19 07:38:17,568 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 328
[2023-11-19 07:38:17,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 328 states and 422 transitions.
[2023-11-19 07:38:17,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:38:17,573 INFO L218 hiAutomatonCegarLoop]: Abstraction has 328 states and 422 transitions.
[2023-11-19 07:38:17,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states and 422 transitions.
[2023-11-19 07:38:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328.
[2023-11-19 07:38:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 328 states have (on average 1.2865853658536586) internal successors, (422), 327 states have internal predecessors, (422), 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 07:38:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 422 transitions.
[2023-11-19 07:38:17,603 INFO L240 hiAutomatonCegarLoop]: Abstraction has 328 states and 422 transitions.
[2023-11-19 07:38:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:38:17,607 INFO L428 stractBuchiCegarLoop]: Abstraction has 328 states and 422 transitions.
[2023-11-19 07:38:17,608 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2023-11-19 07:38:17,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 328 states and 422 transitions.
[2023-11-19 07:38:17,618 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231
[2023-11-19 07:38:17,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:38:17,618 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:38:17,621 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:17,621 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]
[2023-11-19 07:38:17,622 INFO L748 eck$LassoCheckResult]: Stem: 1749#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 1750#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1589#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1590#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1679#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 1604#L1001 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1605#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1654#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1697#L212-2
[2023-11-19 07:38:17,622 INFO L750 eck$LassoCheckResult]: Loop: 1697#L212-2 assume !false; 1719#L213 assume test_~splverifierCounter~0#1 < 4; 1720#L214 havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 1674#L222 assume !(0 != test_~tmp~0#1); 1576#L222-2 havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 1577#L232 assume !(0 != test_~tmp___0~0#1); 1668#L232-2 havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1669#L242 assume 0 != test_~tmp___2~0#1; 1730#L248-2 assume { :begin_inline_timeShift } true; 1744#L281 assume !(0 != ~pumpRunning~0); 1745#L281-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1634#L365 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret15#1, processEnvironment__wrappee__lowWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2#1; 1635#L339-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 1680#L313-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1; 1681#L179-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; 1739#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret26#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret26#1;havoc isHighWaterLevel_#t~ret26#1; 1678#L467-9 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1606#L467-11 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 1607#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret14#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret14#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14#1; 1727#L317-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1698#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 1699#L313-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret14#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1717#L339-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret15#1, processEnvironment__wrappee__lowWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1566#L365-1 havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1567#L288-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 1767#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 1568#L896 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 1570#L896-1 havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1764#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1697#L212-2
[2023-11-19 07:38:17,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:17,623 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2023-11-19 07:38:17,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:17,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551100395]
[2023-11-19 07:38:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:17,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:17,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:17,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:17,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:17,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2142105215, now seen corresponding path program 1 times
[2023-11-19 07:38:17,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:17,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251528159]
[2023-11-19 07:38:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:17,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:17,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:17,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:17,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:17,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1246445514, now seen corresponding path program 1 times
[2023-11-19 07:38:17,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:17,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292574876]
[2023-11-19 07:38:17,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:17,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:17,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:17,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:19,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:19,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:38:19 BoogieIcfgContainer
[2023-11-19 07:38:19,139 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 07:38:19,140 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:38:19,140 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:38:19,140 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:38:19,141 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:16" (3/4) ...
[2023-11-19 07:38:19,142 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2023-11-19 07:38:19,210 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:38:19,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:38:19,211 INFO L158 Benchmark]: Toolchain (without parser) took 4863.87ms. Allocated memory was 182.5MB in the beginning and 241.2MB in the end (delta: 58.7MB). Free memory was 134.7MB in the beginning and 184.0MB in the end (delta: -49.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB.
[2023-11-19 07:38:19,212 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 182.5MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:38:19,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.64ms. Allocated memory is still 182.5MB. Free memory was 134.7MB in the beginning and 115.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:38:19,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.85ms. Allocated memory is still 182.5MB. Free memory was 115.3MB in the beginning and 110.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:38:19,213 INFO L158 Benchmark]: Boogie Preprocessor took 59.01ms. Allocated memory is still 182.5MB. Free memory was 110.3MB in the beginning and 107.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:38:19,213 INFO L158 Benchmark]: RCFGBuilder took 1015.63ms. Allocated memory is still 182.5MB. Free memory was 107.4MB in the beginning and 71.8MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
[2023-11-19 07:38:19,214 INFO L158 Benchmark]: BuchiAutomizer took 3031.60ms. Allocated memory was 182.5MB in the beginning and 241.2MB in the end (delta: 58.7MB). Free memory was 71.8MB in the beginning and 187.0MB in the end (delta: -115.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:38:19,214 INFO L158 Benchmark]: Witness Printer took 70.58ms. Allocated memory is still 241.2MB. Free memory was 186.1MB in the beginning and 184.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:38:19,217 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.67ms. Allocated memory is still 182.5MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 591.64ms. Allocated memory is still 182.5MB. Free memory was 134.7MB in the beginning and 115.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 88.85ms. Allocated memory is still 182.5MB. Free memory was 115.3MB in the beginning and 110.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 59.01ms. Allocated memory is still 182.5MB. Free memory was 110.3MB in the beginning and 107.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1015.63ms. Allocated memory is still 182.5MB. Free memory was 107.4MB in the beginning and 71.8MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
* BuchiAutomizer took 3031.60ms. Allocated memory was 182.5MB in the beginning and 241.2MB in the end (delta: 58.7MB). Free memory was 71.8MB in the beginning and 187.0MB in the end (delta: -115.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 70.58ms. Allocated memory is still 241.2MB. Free memory was 186.1MB in the beginning and 184.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
- GenericResultAtLocation [Line: 87]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87]
- GenericResultAtLocation [Line: 198]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [198]
- GenericResultAtLocation [Line: 268]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [268]
- GenericResultAtLocation [Line: 511]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [511]
- GenericResultAtLocation [Line: 877]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [877]
- GenericResultAtLocation [Line: 917]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [917]
- GenericResultAtLocation [Line: 1014]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1014]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 328 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 259 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1618 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1618 mSDsluCounter, 2166 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1525 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 641 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 212]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L96] int waterLevel = 1;
[L97] int methaneLevelCritical = 0;
[L273] int pumpRunning = 0;
[L274] int systemActive = 1;
[L681] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L879] int methAndRunningLastTime ;
[L918] int cleanupTimeShifts = 4;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L992] int retValue_acc ;
[L993] int tmp ;
[L997] FCALL select_helpers()
[L998] FCALL select_features()
[L999] CALL, EXPR valid_product()
[L79] int retValue_acc ;
[L82] retValue_acc = 1
[L83] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L999] RET, EXPR valid_product()
[L999] tmp = valid_product()
[L1001] COND TRUE \read(tmp)
[L1003] FCALL setup()
[L1004] CALL runTest()
[L985] CALL __utac_acc__Specification2_spec__1()
[L884] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L985] RET __utac_acc__Specification2_spec__1()
[L986] CALL test()
[L203] int splverifierCounter ;
[L204] int tmp ;
[L205] int tmp___0 ;
[L206] int tmp___1 ;
[L207] int tmp___2 ;
[L210] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L212] COND TRUE 1
[L214] COND TRUE splverifierCounter < 4
[L220] tmp = __VERIFIER_nondet_int()
[L222] COND FALSE !(\read(tmp))
[L230] tmp___0 = __VERIFIER_nondet_int()
[L232] COND FALSE !(\read(tmp___0))
[L240] tmp___2 = __VERIFIER_nondet_int()
[L242] COND TRUE \read(tmp___2)
[L257] CALL timeShift()
[L281] COND FALSE !(\read(pumpRunning))
[L288] COND TRUE \read(systemActive)
[L290] CALL processEnvironment()
[L362] int tmp ;
[L365] COND FALSE !(\read(pumpRunning))
[L380] CALL processEnvironment__wrappee__lowWaterSensor()
[L336] int tmp ;
[L339] COND FALSE !(\read(pumpRunning))
[L354] CALL processEnvironment__wrappee__highWaterSensor()
[L310] int tmp ;
[L313] COND TRUE ! pumpRunning
[L315] CALL, EXPR isHighWaterLevel()
[L459] int retValue_acc ;
[L460] int tmp ;
[L461] int tmp___0 ;
[L465] CALL, EXPR isHighWaterSensorDry()
[L176] int retValue_acc ;
[L179] COND TRUE waterLevel < 2
[L180] retValue_acc = 1
[L181] return (retValue_acc);
[L465] RET, EXPR isHighWaterSensorDry()
[L465] tmp = isHighWaterSensorDry()
[L467] COND TRUE \read(tmp)
[L468] tmp___0 = 0
[L472] retValue_acc = tmp___0
[L473] return (retValue_acc);
[L315] RET, EXPR isHighWaterLevel()
[L315] tmp = isHighWaterLevel()
[L317] COND FALSE !(\read(tmp))
[L323] FCALL processEnvironment__wrappee__base()
[L354] RET processEnvironment__wrappee__highWaterSensor()
[L380] RET processEnvironment__wrappee__lowWaterSensor()
[L290] RET processEnvironment()
[L296] CALL __utac_acc__Specification2_spec__2()
[L889] int tmp ;
[L890] int tmp___0 ;
[L894] CALL, EXPR isMethaneLevelCritical()
[L135] int retValue_acc ;
[L138] retValue_acc = methaneLevelCritical
[L139] return (retValue_acc);
[L894] RET, EXPR isMethaneLevelCritical()
[L894] tmp = isMethaneLevelCritical()
[L896] COND FALSE !(\read(tmp))
[L912] methAndRunningLastTime = 0
[L296] RET __utac_acc__Specification2_spec__2()
[L257] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 212]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L96] int waterLevel = 1;
[L97] int methaneLevelCritical = 0;
[L273] int pumpRunning = 0;
[L274] int systemActive = 1;
[L681] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L879] int methAndRunningLastTime ;
[L918] int cleanupTimeShifts = 4;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L992] int retValue_acc ;
[L993] int tmp ;
[L997] FCALL select_helpers()
[L998] FCALL select_features()
[L999] CALL, EXPR valid_product()
[L79] int retValue_acc ;
[L82] retValue_acc = 1
[L83] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L999] RET, EXPR valid_product()
[L999] tmp = valid_product()
[L1001] COND TRUE \read(tmp)
[L1003] FCALL setup()
[L1004] CALL runTest()
[L985] CALL __utac_acc__Specification2_spec__1()
[L884] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L985] RET __utac_acc__Specification2_spec__1()
[L986] CALL test()
[L203] int splverifierCounter ;
[L204] int tmp ;
[L205] int tmp___0 ;
[L206] int tmp___1 ;
[L207] int tmp___2 ;
[L210] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L212] COND TRUE 1
[L214] COND TRUE splverifierCounter < 4
[L220] tmp = __VERIFIER_nondet_int()
[L222] COND FALSE !(\read(tmp))
[L230] tmp___0 = __VERIFIER_nondet_int()
[L232] COND FALSE !(\read(tmp___0))
[L240] tmp___2 = __VERIFIER_nondet_int()
[L242] COND TRUE \read(tmp___2)
[L257] CALL timeShift()
[L281] COND FALSE !(\read(pumpRunning))
[L288] COND TRUE \read(systemActive)
[L290] CALL processEnvironment()
[L362] int tmp ;
[L365] COND FALSE !(\read(pumpRunning))
[L380] CALL processEnvironment__wrappee__lowWaterSensor()
[L336] int tmp ;
[L339] COND FALSE !(\read(pumpRunning))
[L354] CALL processEnvironment__wrappee__highWaterSensor()
[L310] int tmp ;
[L313] COND TRUE ! pumpRunning
[L315] CALL, EXPR isHighWaterLevel()
[L459] int retValue_acc ;
[L460] int tmp ;
[L461] int tmp___0 ;
[L465] CALL, EXPR isHighWaterSensorDry()
[L176] int retValue_acc ;
[L179] COND TRUE waterLevel < 2
[L180] retValue_acc = 1
[L181] return (retValue_acc);
[L465] RET, EXPR isHighWaterSensorDry()
[L465] tmp = isHighWaterSensorDry()
[L467] COND TRUE \read(tmp)
[L468] tmp___0 = 0
[L472] retValue_acc = tmp___0
[L473] return (retValue_acc);
[L315] RET, EXPR isHighWaterLevel()
[L315] tmp = isHighWaterLevel()
[L317] COND FALSE !(\read(tmp))
[L323] FCALL processEnvironment__wrappee__base()
[L354] RET processEnvironment__wrappee__highWaterSensor()
[L380] RET processEnvironment__wrappee__lowWaterSensor()
[L290] RET processEnvironment()
[L296] CALL __utac_acc__Specification2_spec__2()
[L889] int tmp ;
[L890] int tmp___0 ;
[L894] CALL, EXPR isMethaneLevelCritical()
[L135] int retValue_acc ;
[L138] retValue_acc = methaneLevelCritical
[L139] return (retValue_acc);
[L894] RET, EXPR isMethaneLevelCritical()
[L894] tmp = isMethaneLevelCritical()
[L896] COND FALSE !(\read(tmp))
[L912] methAndRunningLastTime = 0
[L296] RET __utac_acc__Specification2_spec__2()
[L257] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 07:38:19,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f214ae90-431a-4760-aba6-8eda51c71c97/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)