./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --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 43c19ce3e2b7787ecf8dd3f4cbbbb7bba1e2bcc266043b083140097432ac956b
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 22:49:53,353 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 22:49:53,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 22:49:53,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 22:49:53,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 22:49:53,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 22:49:53,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 22:49:53,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 22:49:53,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 22:49:53,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 22:49:53,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 22:49:53,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 22:49:53,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 22:49:53,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 22:49:53,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 22:49:53,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 22:49:53,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 22:49:53,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 22:49:53,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 22:49:53,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 22:49:53,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 22:49:53,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 22:49:53,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 22:49:53,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 22:49:53,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 22:49:53,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 22:49:53,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 22:49:53,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 22:49:53,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 22:49:53,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 22:49:53,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 22:49:53,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 22:49:53,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 22:49:53,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 22:49:53,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 22:49:53,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 22:49:53,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 22:49:53,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 22:49:53,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 22:49:53,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 22:49:53,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 22:49:53,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 22:49:53,594 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 22:49:53,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 22:49:53,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 22:49:53,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 22:49:53,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 22:49:53,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 22:49:53,600 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 22:49:53,600 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 22:49:53,600 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 22:49:53,601 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 22:49:53,602 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 22:49:53,603 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 22:49:53,603 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 22:49:53,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 22:49:53,604 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 22:49:53,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 22:49:53,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 22:49:53,604 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 22:49:53,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 22:49:53,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 22:49:53,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 22:49:53,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 22:49:53,606 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 22:49:53,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 22:49:53,606 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 22:49:53,607 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 22:49:53,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 22:49:53,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 22:49:53,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 22:49:53,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 22:49:53,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 22:49:53,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 22:49:53,612 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 22:49:53,612 INFO L138 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_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c19ce3e2b7787ecf8dd3f4cbbbb7bba1e2bcc266043b083140097432ac956b
[2021-10-28 22:49:53,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 22:49:53,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 22:49:53,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 22:49:53,987 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 22:49:53,988 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 22:49:53,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c
[2021-10-28 22:49:54,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/data/ed7a34542/0eb86d9cde3146feb85ccbc2dec63fbe/FLAG341af659c
[2021-10-28 22:49:54,643 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 22:49:54,644 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c
[2021-10-28 22:49:54,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/data/ed7a34542/0eb86d9cde3146feb85ccbc2dec63fbe/FLAG341af659c
[2021-10-28 22:49:54,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/data/ed7a34542/0eb86d9cde3146feb85ccbc2dec63fbe
[2021-10-28 22:49:54,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 22:49:54,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 22:49:54,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 22:49:54,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 22:49:54,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 22:49:54,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:54" (1/1) ...
[2021-10-28 22:49:54,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672fc325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:54, skipping insertion in model container
[2021-10-28 22:49:54,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:54" (1/1) ...
[2021-10-28 22:49:54,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 22:49:55,019 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 22:49:55,501 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c[17955,17968]
[2021-10-28 22:49:55,502 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:49:55,515 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 22:49:55,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c[17955,17968]
[2021-10-28 22:49:55,633 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:49:55,661 INFO L208 MainTranslator]: Completed translation
[2021-10-28 22:49:55,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55 WrapperNode
[2021-10-28 22:49:55,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 22:49:55,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 22:49:55,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 22:49:55,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 22:49:55,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 22:49:55,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 22:49:55,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 22:49:55,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 22:49:55,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 22:49:55,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 22:49:55,830 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 22:49:55,830 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 22:49:55,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (1/1) ...
[2021-10-28 22:49:55,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 22:49:55,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:49:55,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 22:49:55,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 22:49:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 22:49:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 22:49:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 22:49:55,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 22:49:56,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 22:49:56,847 INFO L299 CfgBuilder]: Removed 108 assume(true) statements.
[2021-10-28 22:49:56,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:56 BoogieIcfgContainer
[2021-10-28 22:49:56,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 22:49:56,851 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 22:49:56,851 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 22:49:56,870 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 22:49:56,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:49:56,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:49:54" (1/3) ...
[2021-10-28 22:49:56,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dbc00fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:56, skipping insertion in model container
[2021-10-28 22:49:56,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:49:56,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:55" (2/3) ...
[2021-10-28 22:49:56,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dbc00fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:56, skipping insertion in model container
[2021-10-28 22:49:56,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:49:56,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:56" (3/3) ...
[2021-10-28 22:49:56,876 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product20.cil.c
[2021-10-28 22:49:56,925 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 22:49:56,926 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 22:49:56,926 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 22:49:56,926 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 22:49:56,926 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 22:49:56,927 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 22:49:56,927 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 22:49:56,927 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 22:49:56,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.518987341772152) internal successors, (120), 79 states have internal predecessors, (120), 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)
[2021-10-28 22:49:56,974 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51
[2021-10-28 22:49:56,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:49:56,975 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:49:56,984 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:56,984 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:56,984 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 22:49:56,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.518987341772152) internal successors, (120), 79 states have internal predecessors, (120), 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)
[2021-10-28 22:49:56,992 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51
[2021-10-28 22:49:56,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:49:56,992 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:49:56,993 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:56,994 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:56,999 INFO L791 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 45#L-1true havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 70#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 28#L83true main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 15#L541true assume 0 != main_~tmp~3; 20#L517true havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 71#L574-1true
[2021-10-28 22:49:57,000 INFO L793 eck$LassoCheckResult]: Loop: 71#L574-1true assume !false; 17#L786true assume test_~splverifierCounter~0 < 4; 60#L787true test_~tmp~7 := test_#t~nondet66;havoc test_#t~nondet66; 6#L795true assume !(0 != test_~tmp~7); 24#L795-1true test_~tmp___0~2 := test_#t~nondet67;havoc test_#t~nondet67; 16#L805true assume !(0 != test_~tmp___0~2); 31#L805-1true test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 9#L815true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 30#L823-1true assume !(0 != ~pumpRunning~0); 37#L607true assume !(0 != ~systemActive~0); 43#L614true havoc __utac_acc__Specification3_spec__1_#t~ret44, __utac_acc__Specification3_spec__1_#t~ret45, __utac_acc__Specification3_spec__1_#t~ret46, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 66#L887true __utac_acc__Specification3_spec__1_#t~ret44 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret44;havoc __utac_acc__Specification3_spec__1_#t~ret44; 81#L568true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 71#L574-1true
[2021-10-28 22:49:57,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:57,007 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times
[2021-10-28 22:49:57,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:57,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386891845]
[2021-10-28 22:49:57,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:57,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:57,339 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:57,625 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:57,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:57,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1672140737, now seen corresponding path program 1 times
[2021-10-28 22:49:57,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:57,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380187248]
[2021-10-28 22:49:57,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:57,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:49:57,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:49:57,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:49:57,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380187248]
[2021-10-28 22:49:57,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380187248] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:49:57,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:49:57,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:49:57,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693400269]
[2021-10-28 22:49:57,744 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 22:49:57,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:49:57,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:49:57,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:49:57,767 INFO L87 Difference]: Start difference. First operand has 80 states, 79 states have (on average 1.518987341772152) internal successors, (120), 79 states have internal predecessors, (120), 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 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2021-10-28 22:49:57,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:49:57,887 INFO L93 Difference]: Finished difference Result 154 states and 216 transitions.
[2021-10-28 22:49:57,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:49:57,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 216 transitions.
[2021-10-28 22:49:57,906 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98
[2021-10-28 22:49:57,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 140 states and 201 transitions.
[2021-10-28 22:49:57,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 140
[2021-10-28 22:49:57,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 140
[2021-10-28 22:49:57,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 201 transitions.
[2021-10-28 22:49:57,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 22:49:57,928 INFO L681 BuchiCegarLoop]: Abstraction has 140 states and 201 transitions.
[2021-10-28 22:49:57,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 201 transitions.
[2021-10-28 22:49:57,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138.
[2021-10-28 22:49:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.434782608695652) internal successors, (198), 137 states have internal predecessors, (198), 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)
[2021-10-28 22:49:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions.
[2021-10-28 22:49:57,992 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions.
[2021-10-28 22:49:57,992 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions.
[2021-10-28 22:49:57,993 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 22:49:57,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions.
[2021-10-28 22:49:58,000 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96
[2021-10-28 22:49:58,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:49:58,001 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:49:58,003 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:58,003 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:58,004 INFO L791 eck$LassoCheckResult]: Stem: 323#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 304#L-1 havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 305#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 280#L83 main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 263#L541 assume 0 != main_~tmp~3; 264#L517 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 269#L574-1
[2021-10-28 22:49:58,005 INFO L793 eck$LassoCheckResult]: Loop: 269#L574-1 assume !false; 363#L786 assume test_~splverifierCounter~0 < 4; 364#L787 test_~tmp~7 := test_#t~nondet66;havoc test_#t~nondet66; 377#L795 assume !(0 != test_~tmp~7); 375#L795-1 test_~tmp___0~2 := test_#t~nondet67;havoc test_#t~nondet67; 374#L805 assume !(0 != test_~tmp___0~2); 372#L805-1 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 371#L815 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 255#L823-1 assume !(0 != ~pumpRunning~0); 368#L607 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 367#L639 assume !(0 != ~pumpRunning~0); 366#L614 havoc __utac_acc__Specification3_spec__1_#t~ret44, __utac_acc__Specification3_spec__1_#t~ret45, __utac_acc__Specification3_spec__1_#t~ret46, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 365#L887 __utac_acc__Specification3_spec__1_#t~ret44 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret44;havoc __utac_acc__Specification3_spec__1_#t~ret44; 336#L568 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 269#L574-1
[2021-10-28 22:49:58,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:58,007 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times
[2021-10-28 22:49:58,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:58,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349678681]
[2021-10-28 22:49:58,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:58,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:58,126 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:58,252 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:58,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:58,257 INFO L85 PathProgramCache]: Analyzing trace with hash -323747826, now seen corresponding path program 1 times
[2021-10-28 22:49:58,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:58,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498391132]
[2021-10-28 22:49:58,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:58,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:58,269 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:58,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:58,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:58,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1279291700, now seen corresponding path program 1 times
[2021-10-28 22:49:58,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:58,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503491780]
[2021-10-28 22:49:58,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:58,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:49:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:49:58,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:49:58,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503491780]
[2021-10-28 22:49:58,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503491780] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:49:58,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:49:58,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:49:58,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302158168]
[2021-10-28 22:49:58,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:49:58,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 22:49:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-28 22:49:58,637 INFO L87 Difference]: Start difference. First operand 138 states and 198 transitions. cyclomatic complexity: 63 Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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)
[2021-10-28 22:49:58,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:49:58,800 INFO L93 Difference]: Finished difference Result 469 states and 686 transitions.
[2021-10-28 22:49:58,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-10-28 22:49:58,801 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 469 states and 686 transitions.
[2021-10-28 22:49:58,811 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 348
[2021-10-28 22:49:58,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 469 states to 469 states and 686 transitions.
[2021-10-28 22:49:58,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 469
[2021-10-28 22:49:58,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 469
[2021-10-28 22:49:58,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 469 states and 686 transitions.
[2021-10-28 22:49:58,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 22:49:58,831 INFO L681 BuchiCegarLoop]: Abstraction has 469 states and 686 transitions.
[2021-10-28 22:49:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states and 686 transitions.
[2021-10-28 22:49:58,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 270.
[2021-10-28 22:49:58,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 270 states have (on average 1.4148148148148147) internal successors, (382), 269 states have internal predecessors, (382), 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)
[2021-10-28 22:49:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 382 transitions.
[2021-10-28 22:49:58,860 INFO L704 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions.
[2021-10-28 22:49:58,861 INFO L587 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions.
[2021-10-28 22:49:58,861 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 22:49:58,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 270 states and 382 transitions.
[2021-10-28 22:49:58,864 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 192
[2021-10-28 22:49:58,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:49:58,864 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:49:58,865 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:58,866 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:58,866 INFO L791 eck$LassoCheckResult]: Stem: 951#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 932#L-1 havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 933#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 907#L83 main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 888#L541 assume 0 != main_~tmp~3; 889#L517 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 896#L574-1
[2021-10-28 22:49:58,866 INFO L793 eck$LassoCheckResult]: Loop: 896#L574-1 assume !false; 1068#L786 assume test_~splverifierCounter~0 < 4; 952#L787 test_~tmp~7 := test_#t~nondet66;havoc test_#t~nondet66; 871#L795 assume !(0 != test_~tmp~7); 873#L795-1 test_~tmp___0~2 := test_#t~nondet67;havoc test_#t~nondet67; 890#L805 assume !(0 != test_~tmp___0~2); 891#L805-1 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 912#L815 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 909#L823-1 assume !(0 != ~pumpRunning~0); 911#L607 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 921#L639 assume !(0 != ~pumpRunning~0); 1084#L614 havoc __utac_acc__Specification3_spec__1_#t~ret44, __utac_acc__Specification3_spec__1_#t~ret45, __utac_acc__Specification3_spec__1_#t~ret46, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 1083#L887 __utac_acc__Specification3_spec__1_#t~ret44 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret44;havoc __utac_acc__Specification3_spec__1_#t~ret44; 1082#L568 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1081#L919 __utac_acc__Specification3_spec__1_#t~ret45 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret45;havoc __utac_acc__Specification3_spec__1_#t~ret45; 1078#L574 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 896#L574-1
[2021-10-28 22:49:58,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:58,867 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times
[2021-10-28 22:49:58,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:58,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969072727]
[2021-10-28 22:49:58,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:58,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:58,943 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:59,038 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:59,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:59,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1884009248, now seen corresponding path program 1 times
[2021-10-28 22:49:59,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:59,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598986197]
[2021-10-28 22:49:59,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:59,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:59,047 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:59,058 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:59,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:59,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1038683270, now seen corresponding path program 1 times
[2021-10-28 22:49:59,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:59,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877598191]
[2021-10-28 22:49:59,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:59,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:59,138 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:59,193 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:51:09,453 WARN L207 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 491 DAG size of output: 433
[2021-10-28 22:52:17,839 WARN L207 SmtUtils]: Spent 31.54 s on a formula simplification that was a NOOP. DAG size: 433
[2021-10-28 22:52:18,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:52:18 BoogieIcfgContainer
[2021-10-28 22:52:18,043 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 22:52:18,044 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 22:52:18,044 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 22:52:18,044 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 22:52:18,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:56" (3/4) ...
[2021-10-28 22:52:18,062 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 22:52:18,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 22:52:18,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 22:52:18,182 INFO L168 Benchmark]: Toolchain (without parser) took 143256.15 ms. Allocated memory was 94.4 MB in the beginning and 153.1 MB in the end (delta: 58.7 MB). Free memory was 59.1 MB in the beginning and 66.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB.
[2021-10-28 22:52:18,183 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:52:18,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.12 ms. Allocated memory is still 94.4 MB. Free memory was 58.9 MB in the beginning and 62.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 22:52:18,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.10 ms. Allocated memory is still 94.4 MB. Free memory was 62.3 MB in the beginning and 59.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:52:18,185 INFO L168 Benchmark]: Boogie Preprocessor took 83.97 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 57.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:52:18,186 INFO L168 Benchmark]: RCFGBuilder took 1019.90 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 57.3 MB in the beginning and 75.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB.
[2021-10-28 22:52:18,187 INFO L168 Benchmark]: BuchiAutomizer took 141192.49 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 75.3 MB in the beginning and 68.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB.
[2021-10-28 22:52:18,188 INFO L168 Benchmark]: Witness Printer took 137.04 ms. Allocated memory is still 153.1 MB. Free memory was 68.3 MB in the beginning and 66.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:52:18,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 735.12 ms. Allocated memory is still 94.4 MB. Free memory was 58.9 MB in the beginning and 62.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 81.10 ms. Allocated memory is still 94.4 MB. Free memory was 62.3 MB in the beginning and 59.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 83.97 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 57.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1019.90 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 57.3 MB in the beginning and 75.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 141192.49 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 75.3 MB in the beginning and 68.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB.
* Witness Printer took 137.04 ms. Allocated memory is still 153.1 MB. Free memory was 68.3 MB in the beginning and 66.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* 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 5 locations. The remainder module has 270 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 141.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 140.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 201 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 270 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 258 SDtfs, 499 SDslu, 532 SDs, 0 SdLazy, 53 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time 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
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 785]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=13417}
State at position 1 is
{NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=13417, NULL=0, NULL=13426, retValue_acc=0, NULL=0, NULL=13420, NULL=13429, NULL=13427, NULL=13433, methaneLevelCritical=0, NULL=13441, tmp=0, tmp___1=0, NULL=13436, NULL=0, NULL=0, tmp___0=1, NULL=13424, NULL=13444, NULL=13443, cleanupTimeShifts=4, NULL=13438, tmp=0, NULL=13422, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=13440, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15df18e1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@473d4ea2=0, NULL=0, NULL=0, NULL=0, NULL=13431, NULL=0, NULL=0, NULL=13435, \result=1, head=0, pumpRunning=0, \result=0, NULL=13439, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b34fd1a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bf74237=63, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@473cb4a9=0, NULL=13423, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6da24512=0, NULL=0, NULL=0, NULL=0, NULL=13428, NULL=13418, NULL=0, NULL=13437, retValue_acc=1, tmp___2=63, NULL=0, tmp___0=0, NULL=13425, NULL=13419, splverifierCounter=0, NULL=0, \result=0, NULL=13432, NULL=13434, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64acb42b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@860b1c3=0, tmp___1=0, head=0, NULL=0, NULL=0, tmp=0, NULL=13421, NULL=0, NULL=0, NULL=0, NULL=13442, NULL=13430, NULL=13445, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@813c1fd=0}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L454] int cleanupTimeShifts = 4;
[L600] int pumpRunning = 0;
[L601] int systemActive = 1;
[L844] int waterLevel = 1;
[L845] int methaneLevelCritical = 0;
[L532] int retValue_acc ;
[L533] int tmp ;
[L79] int retValue_acc ;
[L82] retValue_acc = 1
[L83] return (retValue_acc);
[L539] tmp = valid_product()
[L541] COND TRUE \read(tmp)
[L776] int splverifierCounter ;
[L777] int tmp ;
[L778] int tmp___0 ;
[L779] int tmp___1 ;
[L780] int tmp___2 ;
[L783] splverifierCounter = 0
Loop:
[L785] COND TRUE 1
[L787] COND TRUE splverifierCounter < 4
[L793] tmp = __VERIFIER_nondet_int()
[L795] COND FALSE !(\read(tmp))
[L803] tmp___0 = __VERIFIER_nondet_int()
[L805] COND FALSE !(\read(tmp___0))
[L813] tmp___2 = __VERIFIER_nondet_int()
[L815] COND TRUE \read(tmp___2)
[L770] systemActive = 1
[L607] COND FALSE !(\read(pumpRunning))
[L614] COND TRUE \read(systemActive)
[L636] int tmp ;
[L639] COND FALSE !(\read(pumpRunning))
[L560] int tmp ;
[L561] int tmp___0 ;
[L562] int tmp___1 ;
[L883] int retValue_acc ;
[L886] retValue_acc = methaneLevelCritical
[L887] return (retValue_acc);
[L566] tmp = isMethaneLevelCritical()
[L568] COND FALSE !(\read(tmp))
[L915] int retValue_acc ;
[L918] retValue_acc = waterLevel
[L919] return (retValue_acc);
[L572] tmp___0 = getWaterLevel()
[L574] COND FALSE !(tmp___0 == 2)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 22:52:18,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b68105-1a33-4256-83a8-0bae5f2bcf52/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...