./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y --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 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:29:35,138 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:29:35,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:29:35,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:29:35,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:29:35,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:29:35,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:29:35,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:29:35,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:29:35,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:29:35,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:29:35,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:29:35,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:29:35,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:29:35,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:29:35,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:29:35,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:29:35,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:29:35,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:29:35,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:29:35,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:29:35,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:29:35,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:29:35,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:29:35,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:29:35,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:29:35,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:29:35,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:29:35,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:29:35,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:29:35,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:29:35,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:29:35,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:29:35,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:29:35,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:29:35,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:29:35,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:29:35,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:29:35,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:29:35,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:29:35,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:29:35,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-11-13 18:29:35,365 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:29:35,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:29:35,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:29:35,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:29:35,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:29:35,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:29:35,379 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:29:35,379 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 18:29:35,379 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-13 18:29:35,380 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-13 18:29:35,381 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-13 18:29:35,382 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-13 18:29:35,382 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 18:29:35,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:29:35,382 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:29:35,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:29:35,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:29:35,383 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:29:35,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:29:35,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 18:29:35,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 18:29:35,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 18:29:35,385 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:29:35,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:29:35,385 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-13 18:29:35,386 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:29:35,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-13 18:29:35,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:29:35,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:29:35,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:29:35,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:29:35,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:29:35,391 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 18:29:35,392 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_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b
[2021-11-13 18:29:35,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:29:35,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:29:35,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:29:35,746 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:29:35,747 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:29:35,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c
[2021-11-13 18:29:35,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/data/63a253cad/9bc7cf08aa5440b1b632566a3ecd6385/FLAG3c0080144
[2021-11-13 18:29:36,473 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:29:36,487 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c
[2021-11-13 18:29:36,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/data/63a253cad/9bc7cf08aa5440b1b632566a3ecd6385/FLAG3c0080144
[2021-11-13 18:29:36,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/data/63a253cad/9bc7cf08aa5440b1b632566a3ecd6385
[2021-11-13 18:29:36,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:29:36,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:29:36,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:29:36,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:29:36,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:29:36,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:29:36" (1/1) ...
[2021-11-13 18:29:36,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eec4aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:36, skipping insertion in model container
[2021-11-13 18:29:36,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:29:36" (1/1) ...
[2021-11-13 18:29:36,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:29:36,860 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:29:37,077 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_a61124d9-74af-466d-8f1e-6db7cb304280/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618]
[2021-11-13 18:29:37,247 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:29:37,261 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:29:37,294 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_a61124d9-74af-466d-8f1e-6db7cb304280/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618]
[2021-11-13 18:29:37,366 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:29:37,389 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:29:37,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37 WrapperNode
[2021-11-13 18:29:37,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:29:37,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:29:37,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:29:37,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:29:37,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:29:37,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:29:37,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:29:37,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:29:37,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:29:37,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:29:37,592 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:29:37,593 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:29:37,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (1/1) ...
[2021-11-13 18:29:37,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:29:37,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:29:37,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:29:37,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:29:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:29:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:29:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:29:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:29:38,723 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:29:38,723 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2021-11-13 18:29:38,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:29:38 BoogieIcfgContainer
[2021-11-13 18:29:38,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:29:38,728 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 18:29:38,728 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 18:29:38,732 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-13 18:29:38,733 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:29:38,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:29:36" (1/3) ...
[2021-11-13 18:29:38,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38620f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:29:38, skipping insertion in model container
[2021-11-13 18:29:38,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:29:38,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:29:37" (2/3) ...
[2021-11-13 18:29:38,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38620f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:29:38, skipping insertion in model container
[2021-11-13 18:29:38,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:29:38,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:29:38" (3/3) ...
[2021-11-13 18:29:38,738 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product32.cil.c
[2021-11-13 18:29:38,799 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-13 18:29:38,799 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-13 18:29:38,799 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 18:29:38,800 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 18:29:38,800 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 18:29:38,800 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-13 18:29:38,800 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 18:29:38,800 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 18:29:38,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 158 states have internal predecessors, (214), 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)
[2021-11-13 18:29:38,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103
[2021-11-13 18:29:38,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:29:38,877 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:29:38,887 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:29:38,887 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:29:38,887 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-11-13 18:29:38,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 158 states have internal predecessors, (214), 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)
[2021-11-13 18:29:38,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103
[2021-11-13 18:29:38,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:29:38,899 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:29:38,901 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:29:38,901 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:29:38,906 INFO L791 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 149#L484true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 32#L477true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 145#L492true main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 150#L448true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 44#L420true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 85#L593true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~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; 144#L75-2true
[2021-11-13 18:29:38,908 INFO L793 eck$LassoCheckResult]: Loop: 144#L75-2true assume !false; 74#L76true assume test_~splverifierCounter~0#1 < 4; 84#L77true test_~tmp~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 43#L85true assume !(0 != test_~tmp~0#1); 5#L85-2true test_~tmp___0~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 108#L95true assume !(0 != test_~tmp___0~0#1); 124#L95-2true test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 22#L105true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 61#L357true assume { :end_inline_startSystem } true; 50#L113-2true assume { :begin_inline_timeShift } true; 123#L150true assume !(0 != ~pumpRunning~0); 105#L150-2true assume !(0 != ~systemActive~0); 18#L157-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 80#L541-1true __utac_acc__Specification2_spec__2_#t~ret44#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret44#1;havoc __utac_acc__Specification2_spec__2_#t~ret44#1; 48#L604true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 16#L604-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 25#L167true assume { :end_inline_timeShift } true; 144#L75-2true
[2021-11-13 18:29:38,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:29:38,914 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2021-11-13 18:29:38,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:29:38,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804307425]
[2021-11-13 18:29:38,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:29:38,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:29:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:29:39,246 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:29:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:29:39,493 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:29:39,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:29:39,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1366021687, now seen corresponding path program 1 times
[2021-11-13 18:29:39,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:29:39,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49351724]
[2021-11-13 18:29:39,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:29:39,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:29:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:29:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:29:39,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:29:39,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49351724]
[2021-11-13 18:29:39,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49351724] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:29:39,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:29:39,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:29:39,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355315859]
[2021-11-13 18:29:39,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:29:39,608 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-11-13 18:29:39,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:29:39,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:29:39,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:29:39,651 INFO L87 Difference]: Start difference. First operand has 159 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 158 states have internal predecessors, (214), 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 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2021-11-13 18:29:39,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:29:39,728 INFO L93 Difference]: Finished difference Result 302 states and 394 transitions.
[2021-11-13 18:29:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:29:39,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 394 transitions.
[2021-11-13 18:29:39,745 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 196
[2021-11-13 18:29:39,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 282 states and 373 transitions.
[2021-11-13 18:29:39,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282
[2021-11-13 18:29:39,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282
[2021-11-13 18:29:39,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 373 transitions.
[2021-11-13 18:29:39,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:29:39,759 INFO L681 BuchiCegarLoop]: Abstraction has 282 states and 373 transitions.
[2021-11-13 18:29:39,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 373 transitions.
[2021-11-13 18:29:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 279.
[2021-11-13 18:29:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 279 states have (on average 1.3225806451612903) internal successors, (369), 278 states have internal predecessors, (369), 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)
[2021-11-13 18:29:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 369 transitions.
[2021-11-13 18:29:39,807 INFO L704 BuchiCegarLoop]: Abstraction has 279 states and 369 transitions.
[2021-11-13 18:29:39,808 INFO L587 BuchiCegarLoop]: Abstraction has 279 states and 369 transitions.
[2021-11-13 18:29:39,808 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-11-13 18:29:39,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 369 transitions.
[2021-11-13 18:29:39,811 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 193
[2021-11-13 18:29:39,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:29:39,811 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:29:39,812 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:29:39,812 INFO L843 BuchiCegarLoop]: 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]
[2021-11-13 18:29:39,812 INFO L791 eck$LassoCheckResult]: Stem: 629#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 545#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 546#L484 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 524#L477 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 525#L492 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 627#L448 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 543#L420 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 544#L593 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~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; 511#L75-2
[2021-11-13 18:29:39,813 INFO L793 eck$LassoCheckResult]: Loop: 511#L75-2 assume !false; 577#L76 assume test_~splverifierCounter~0#1 < 4; 578#L77 test_~tmp~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 747#L85 assume !(0 != test_~tmp~0#1); 745#L85-2 test_~tmp___0~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 743#L95 assume !(0 != test_~tmp___0~0#1); 741#L95-2 test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 740#L105 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 739#L113 assume !(0 != test_~tmp___1~0#1); 563#L113-2 assume { :begin_inline_timeShift } true; 703#L150 assume !(0 != ~pumpRunning~0); 605#L150-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 606#L208 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret11#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 711#L182-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 478#L174-3 assume { :end_inline_processEnvironment__wrappee__base } true; 479#L182-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 480#L208-1 assume { :end_inline_processEnvironment } true; 498#L157-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 499#L541-1 __utac_acc__Specification2_spec__2_#t~ret44#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret44#1;havoc __utac_acc__Specification2_spec__2_#t~ret44#1; 550#L604 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 493#L604-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 494#L167 assume { :end_inline_timeShift } true; 511#L75-2
[2021-11-13 18:29:39,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:29:39,813 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2021-11-13 18:29:39,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:29:39,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518743346]
[2021-11-13 18:29:39,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:29:39,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:29:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:29:39,892 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:29:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:29:40,018 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:29:40,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:29:40,019 INFO L85 PathProgramCache]: Analyzing trace with hash 209311718, now seen corresponding path program 1 times
[2021-11-13 18:29:40,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:29:40,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410514374]
[2021-11-13 18:29:40,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:29:40,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:29:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:29:40,045 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:29:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:29:40,059 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:29:40,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:29:40,060 INFO L85 PathProgramCache]: Analyzing trace with hash 651523599, now seen corresponding path program 1 times
[2021-11-13 18:29:40,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:29:40,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90921175]
[2021-11-13 18:29:40,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:29:40,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:29:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:29:40,155 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:29:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:29:40,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:30:42,012 WARN L227 SmtUtils]: Spent 1.03m on a formula simplification. DAG size of input: 495 DAG size of output: 437 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)
[2021-11-13 18:31:50,193 WARN L227 SmtUtils]: Spent 33.40s on a formula simplification that was a NOOP. DAG size: 435 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)
[2021-11-13 18:31:50,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:31:50 BoogieIcfgContainer
[2021-11-13 18:31:50,413 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-13 18:31:50,414 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:31:50,414 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:31:50,414 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:31:50,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:29:38" (3/4) ...
[2021-11-13 18:31:50,418 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-11-13 18:31:50,490 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:31:50,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:31:50,491 INFO L158 Benchmark]: Toolchain (without parser) took 133719.86ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 63.2MB in the beginning and 80.3MB in the end (delta: -17.2MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB.
[2021-11-13 18:31:50,492 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:31:50,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.11ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 63.0MB in the beginning and 88.3MB in the end (delta: -25.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:31:50,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.78ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 84.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:31:50,494 INFO L158 Benchmark]: Boogie Preprocessor took 84.13ms. Allocated memory is still 121.6MB. Free memory was 84.8MB in the beginning and 82.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:31:50,495 INFO L158 Benchmark]: RCFGBuilder took 1134.48ms. Allocated memory is still 121.6MB. Free memory was 82.4MB in the beginning and 70.4MB in the end (delta: 12.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB.
[2021-11-13 18:31:50,495 INFO L158 Benchmark]: BuchiAutomizer took 131685.02ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 70.4MB in the beginning and 83.5MB in the end (delta: -13.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB.
[2021-11-13 18:31:50,496 INFO L158 Benchmark]: Witness Printer took 76.47ms. Allocated memory is still 157.3MB. Free memory was 83.5MB in the beginning and 80.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:31:50,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 600.11ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 63.0MB in the beginning and 88.3MB in the end (delta: -25.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 113.78ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 84.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 84.13ms. Allocated memory is still 121.6MB. Free memory was 84.8MB in the beginning and 82.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1134.48ms. Allocated memory is still 121.6MB. Free memory was 82.4MB in the beginning and 70.4MB in the end (delta: 12.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB.
* BuchiAutomizer took 131685.02ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 70.4MB in the beginning and 83.5MB in the end (delta: -13.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB.
* Witness Printer took 76.47ms. Allocated memory is still 157.3MB. Free memory was 83.5MB in the beginning and 80.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 279 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 131.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 131.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 279 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 194 SdHoareTripleChecker+Valid, 30.31ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 398 SdHoareTripleChecker+Invalid, 24.62ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 212 mSDtfsCounter, 10 mSolverCounterSat, 6.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 75]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=4380}
State at position 1 is
{splverifierCounter=0, tmp=0, NULL=0, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21af342e=0, retValue_acc=0, NULL=4380, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f13c84b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e285af6=0, NULL=0, NULL=36566, NULL=36576, methaneLevelCritical=0, tmp=0, NULL=36575, retValue_acc=1, NULL=0, NULL=0, NULL=36581, NULL=36574, NULL=0, NULL=0, NULL=36568, NULL=0, NULL=0, NULL=0, tmp___2=0, NULL=4388, NULL=36570, NULL=36567, tmp=0, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, tmp___1=0, NULL=0, systemActive=1, waterLevel=1, NULL=36583, NULL=0, tmp___0=0, NULL=4385, NULL=4383, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5085513c=0, NULL=36578, NULL=36579, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4978a279=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45134b56=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e9f5585=0, NULL=0, NULL=36573, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11769fd7=0, retValue_acc=0, NULL=0, NULL=36577, \result=0, NULL=4387, NULL=0, NULL=36582, \result=1, NULL=0, NULL=0, NULL=36584, NULL=0, NULL=0, NULL=4381, NULL=36571, NULL=0, methAndRunningLastTime=0, NULL=36569, NULL=4384, NULL=36565, head=0, NULL=0, NULL=0, NULL=36572, NULL=0, NULL=0, NULL=0, NULL=0, NULL=4386, NULL=0, NULL=4382, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25db73b3=0, NULL=36580}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 75]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L142] int pumpRunning = 0;
[L143] int systemActive = 1;
[L361] int cleanupTimeShifts = 4;
[L498] int waterLevel = 1;
[L499] int methaneLevelCritical = 0;
[L587] int methAndRunningLastTime ;
[L795] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L439] int retValue_acc ;
[L440] int tmp ;
[L444] FCALL select_helpers()
[L445] FCALL select_features()
[L446] CALL, EXPR valid_product()
[L488] int retValue_acc ;
[L491] retValue_acc = 1
[L492] return (retValue_acc);
[L446] RET, EXPR valid_product()
[L446] tmp = valid_product()
[L448] COND TRUE \read(tmp)
[L450] FCALL setup()
[L451] CALL runTest()
[L429] CALL __utac_acc__Specification2_spec__1()
[L592] methAndRunningLastTime = 0
[L429] RET __utac_acc__Specification2_spec__1()
[L430] CALL test()
[L66] int splverifierCounter ;
[L67] int tmp ;
[L68] int tmp___0 ;
[L69] int tmp___1 ;
[L70] int tmp___2 ;
[L73] splverifierCounter = 0
Loop:
[L75] COND TRUE 1
[L77] COND TRUE splverifierCounter < 4
[L83] tmp = __VERIFIER_nondet_int()
[L85] COND FALSE !(\read(tmp))
[L93] tmp___0 = __VERIFIER_nondet_int()
[L95] COND FALSE !(\read(tmp___0))
[L103] tmp___2 = __VERIFIER_nondet_int()
[L105] COND FALSE !(\read(tmp___2))
[L111] tmp___1 = __VERIFIER_nondet_int()
[L113] COND FALSE !(\read(tmp___1))
[L122] CALL timeShift()
[L150] COND FALSE !(\read(pumpRunning))
[L157] COND TRUE \read(systemActive)
[L159] CALL processEnvironment()
[L205] int tmp ;
[L208] COND FALSE !(\read(pumpRunning))
[L223] CALL processEnvironment__wrappee__methaneQuery()
[L179] int tmp ;
[L182] COND FALSE !(\read(pumpRunning))
[L197] FCALL processEnvironment__wrappee__base()
[L223] RET processEnvironment__wrappee__methaneQuery()
[L159] RET processEnvironment()
[L165] CALL __utac_acc__Specification2_spec__2()
[L597] int tmp ;
[L598] int tmp___0 ;
[L602] CALL, EXPR isMethaneLevelCritical()
[L537] int retValue_acc ;
[L540] retValue_acc = methaneLevelCritical
[L541] return (retValue_acc);
[L602] RET, EXPR isMethaneLevelCritical()
[L602] tmp = isMethaneLevelCritical()
[L604] COND FALSE !(\read(tmp))
[L620] methAndRunningLastTime = 0
[L165] RET __utac_acc__Specification2_spec__2()
[L122] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-11-13 18:31:50,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61124d9-74af-466d-8f1e-6db7cb304280/bin/uautomizer-YU5uOKAj3y/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)