./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc --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 cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:47:35,283 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:47:35,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:47:35,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:47:35,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:47:35,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:47:35,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:47:35,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:47:35,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:47:35,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:47:35,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:47:35,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:47:35,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:47:35,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:47:35,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:47:35,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:47:35,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:47:35,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:47:35,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:47:35,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:47:35,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:47:35,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:47:35,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:47:35,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:47:35,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:47:35,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:47:35,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:47:35,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:47:35,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:47:35,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:47:35,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:47:35,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:47:35,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:47:35,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:47:35,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:47:35,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:47:35,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:47:35,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:47:35,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:47:35,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:47:35,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:47:35,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf
[2022-11-02 20:47:35,440 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:47:35,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:47:35,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:47:35,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:47:35,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:47:35,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:47:35,444 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:47:35,444 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-11-02 20:47:35,444 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2022-11-02 20:47:35,445 INFO L138 SettingsManager]: * Use old map elimination=false
[2022-11-02 20:47:35,445 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2022-11-02 20:47:35,445 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2022-11-02 20:47:35,445 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2022-11-02 20:47:35,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:47:35,446 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:47:35,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:47:35,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:47:35,446 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:47:35,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:47:35,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2022-11-02 20:47:35,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-11-02 20:47:35,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2022-11-02 20:47:35,447 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:47:35,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:47:35,447 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2022-11-02 20:47:35,448 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:47:35,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2022-11-02 20:47:35,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:47:35,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:47:35,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:47:35,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:47:35,450 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-11-02 20:47:35,451 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_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824
[2022-11-02 20:47:35,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:47:35,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:47:35,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:47:35,813 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:47:35,814 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:47:35,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c
[2022-11-02 20:47:35,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/data/20f10959d/191b13134c9940d9ba585138739c63ea/FLAG7971023b1
[2022-11-02 20:47:36,627 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:47:36,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c
[2022-11-02 20:47:36,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/data/20f10959d/191b13134c9940d9ba585138739c63ea/FLAG7971023b1
[2022-11-02 20:47:36,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/data/20f10959d/191b13134c9940d9ba585138739c63ea
[2022-11-02 20:47:36,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:47:36,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:47:36,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:47:36,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:47:36,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:47:36,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:47:36" (1/1) ...
[2022-11-02 20:47:36,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de9ea5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:36, skipping insertion in model container
[2022-11-02 20:47:36,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:47:36" (1/1) ...
[2022-11-02 20:47:36,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:47:36,937 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:47:37,348 WARN L230 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_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c[15274,15287]
[2022-11-02 20:47:37,389 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:47:37,406 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:47:37,516 WARN L230 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_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c[15274,15287]
[2022-11-02 20:47:37,539 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:47:37,566 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:47:37,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37 WrapperNode
[2022-11-02 20:47:37,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:47:37,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:47:37,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:47:37,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:47:37,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,697 INFO L138 Inliner]: procedures = 56, calls = 159, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 600
[2022-11-02 20:47:37,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:47:37,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:47:37,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:47:37,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:47:37,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:47:37,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:47:37,767 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:47:37,767 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:47:37,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (1/1) ...
[2022-11-02 20:47:37,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:47:37,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:47:37,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:47:37,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:47:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:47:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:47:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:47:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:47:38,037 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:47:38,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:47:38,584 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:47:38,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:47:38,594 INFO L300 CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:47:38,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:47:38 BoogieIcfgContainer
[2022-11-02 20:47:38,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:47:38,598 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-11-02 20:47:38,598 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2022-11-02 20:47:38,611 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2022-11-02 20:47:38,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:47:38,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:47:36" (1/3) ...
[2022-11-02 20:47:38,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ddf1e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:47:38, skipping insertion in model container
[2022-11-02 20:47:38,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:47:38,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:37" (2/3) ...
[2022-11-02 20:47:38,616 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ddf1e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:47:38, skipping insertion in model container
[2022-11-02 20:47:38,616 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:47:38,616 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:47:38" (3/3) ...
[2022-11-02 20:47:38,618 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product32.cil.c
[2022-11-02 20:47:38,721 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2022-11-02 20:47:38,721 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2022-11-02 20:47:38,722 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-11-02 20:47:38,722 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-11-02 20:47:38,722 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-11-02 20:47:38,722 INFO L308 stractBuchiCegarLoop]: Difference is false
[2022-11-02 20:47:38,723 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-11-02 20:47:38,723 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2022-11-02 20:47:38,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 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)
[2022-11-02 20:47:38,795 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105
[2022-11-02 20:47:38,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:47:38,801 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:47:38,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:47:38,816 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:47:38,817 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2022-11-02 20:47:38,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 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)
[2022-11-02 20:47:38,836 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105
[2022-11-02 20:47:38,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:47:38,842 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:47:38,845 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:47:38,845 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:47:38,859 INFO L748 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 60#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 50#L883true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 113#L876true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 93#L891true main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 98#L812true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 19#L786true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 46#L432-2true
[2022-11-02 20:47:38,865 INFO L750 eck$LassoCheckResult]: Loop: 46#L432-2true assume !false; 89#L433true assume test_~splverifierCounter~0#1 < 4; 21#L434true test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 36#L442true assume !(0 != test_~tmp~3#1); 120#L442-2true test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 94#L452true assume !(0 != test_~tmp___0~0#1); 72#L452-2true test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 102#L462true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 132#L470true assume !(0 != test_~tmp___1~0#1); 51#L470-2true assume { :begin_inline_timeShift } true; 28#L507true assume !(0 != ~pumpRunning~0); 39#L507-2true assume !(0 != ~systemActive~0); 55#L514-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 25#L939-1true __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 16#L836true assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 77#L842-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 35#L524true assume { :end_inline_timeShift } true; 46#L432-2true
[2022-11-02 20:47:38,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:47:38,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2022-11-02 20:47:38,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:47:38,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736200208]
[2022-11-02 20:47:38,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:47:38,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:47:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:39,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:47:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:39,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:47:39,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:47:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1405389983, now seen corresponding path program 1 times
[2022-11-02 20:47:39,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:47:39,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6092624]
[2022-11-02 20:47:39,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:47:39,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:47:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:39,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:47:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:39,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:47:39,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:47:39,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1957895709, now seen corresponding path program 1 times
[2022-11-02 20:47:39,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:47:39,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190528080]
[2022-11-02 20:47:39,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:47:39,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:47:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:47:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:47:39,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:47:39,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190528080]
[2022-11-02 20:47:39,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190528080] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:47:39,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:47:39,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:47:39,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757341762]
[2022-11-02 20:47:39,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:47:39,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:47:39,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:47:39,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:47:39,975 INFO L87 Difference]: Start difference. First operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:47:40,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:47:40,209 INFO L93 Difference]: Finished difference Result 528 states and 683 transitions.
[2022-11-02 20:47:40,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 528 states and 683 transitions.
[2022-11-02 20:47:40,227 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 344
[2022-11-02 20:47:40,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 528 states to 488 states and 643 transitions.
[2022-11-02 20:47:40,240 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 488
[2022-11-02 20:47:40,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 488
[2022-11-02 20:47:40,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 488 states and 643 transitions.
[2022-11-02 20:47:40,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:47:40,248 INFO L218 hiAutomatonCegarLoop]: Abstraction has 488 states and 643 transitions.
[2022-11-02 20:47:40,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states and 643 transitions.
[2022-11-02 20:47:40,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 206.
[2022-11-02 20:47:40,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 206 states have (on average 1.3203883495145632) internal successors, (272), 205 states have internal predecessors, (272), 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)
[2022-11-02 20:47:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 272 transitions.
[2022-11-02 20:47:40,307 INFO L240 hiAutomatonCegarLoop]: Abstraction has 206 states and 272 transitions.
[2022-11-02 20:47:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:47:40,312 INFO L428 stractBuchiCegarLoop]: Abstraction has 206 states and 272 transitions.
[2022-11-02 20:47:40,313 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2022-11-02 20:47:40,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 206 states and 272 transitions.
[2022-11-02 20:47:40,318 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145
[2022-11-02 20:47:40,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:47:40,318 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:47:40,319 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:47:40,320 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:47:40,320 INFO L748 eck$LassoCheckResult]: Stem: 853#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 800#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 792#L883 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 793#L876 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 831#L891 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 832#L812 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 737#L786 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 738#L432-2
[2022-11-02 20:47:40,321 INFO L750 eck$LassoCheckResult]: Loop: 738#L432-2 assume !false; 786#L433 assume test_~splverifierCounter~0#1 < 4; 742#L434 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 743#L442 assume !(0 != test_~tmp~3#1); 770#L442-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 833#L452 assume !(0 != test_~tmp___0~0#1); 813#L452-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 814#L462 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 836#L470 assume !(0 != test_~tmp___1~0#1); 717#L470-2 assume { :begin_inline_timeShift } true; 756#L507 assume !(0 != ~pumpRunning~0); 757#L507-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 745#L565 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 746#L539-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 837#L531-3 assume { :end_inline_processEnvironment__wrappee__base } true; 711#L539-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 712#L565-1 assume { :end_inline_processEnvironment } true; 736#L514-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 748#L939-1 __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 733#L836 assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 734#L842-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 768#L524 assume { :end_inline_timeShift } true; 738#L432-2
[2022-11-02 20:47:40,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:47:40,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2022-11-02 20:47:40,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:47:40,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447046695]
[2022-11-02 20:47:40,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:47:40,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:47:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:40,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:47:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:40,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:47:40,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:47:40,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1305347534, now seen corresponding path program 1 times
[2022-11-02 20:47:40,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:47:40,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36257303]
[2022-11-02 20:47:40,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:47:40,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:47:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:40,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:47:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:40,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:47:40,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:47:40,419 INFO L85 PathProgramCache]: Analyzing trace with hash -188504842, now seen corresponding path program 1 times
[2022-11-02 20:47:40,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:47:40,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115683265]
[2022-11-02 20:47:40,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:47:40,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:47:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:47:40,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:47:40,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:47:40,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115683265]
[2022-11-02 20:47:40,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115683265] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:47:40,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:47:40,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:47:40,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324599164]
[2022-11-02 20:47:40,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:47:40,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:47:40,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:47:40,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:47:40,822 INFO L87 Difference]: Start difference. First operand 206 states and 272 transitions. cyclomatic complexity: 69 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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)
[2022-11-02 20:47:41,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:47:41,057 INFO L93 Difference]: Finished difference Result 736 states and 974 transitions.
[2022-11-02 20:47:41,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 736 states and 974 transitions.
[2022-11-02 20:47:41,080 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 536
[2022-11-02 20:47:41,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 736 states to 736 states and 974 transitions.
[2022-11-02 20:47:41,100 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 736
[2022-11-02 20:47:41,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 736
[2022-11-02 20:47:41,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 736 states and 974 transitions.
[2022-11-02 20:47:41,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:47:41,107 INFO L218 hiAutomatonCegarLoop]: Abstraction has 736 states and 974 transitions.
[2022-11-02 20:47:41,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states and 974 transitions.
[2022-11-02 20:47:41,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 405.
[2022-11-02 20:47:41,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 405 states have (on average 1.306172839506173) internal successors, (529), 404 states have internal predecessors, (529), 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)
[2022-11-02 20:47:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 529 transitions.
[2022-11-02 20:47:41,151 INFO L240 hiAutomatonCegarLoop]: Abstraction has 405 states and 529 transitions.
[2022-11-02 20:47:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-11-02 20:47:41,153 INFO L428 stractBuchiCegarLoop]: Abstraction has 405 states and 529 transitions.
[2022-11-02 20:47:41,153 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2022-11-02 20:47:41,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 405 states and 529 transitions.
[2022-11-02 20:47:41,156 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 290
[2022-11-02 20:47:41,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:47:41,157 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:47:41,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:47:41,158 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:47:41,158 INFO L748 eck$LassoCheckResult]: Stem: 1868#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1776#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1764#L883 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1765#L876 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1822#L891 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 1823#L812 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1701#L786 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1702#L432-2
[2022-11-02 20:47:41,158 INFO L750 eck$LassoCheckResult]: Loop: 1702#L432-2 assume !false; 1987#L433 assume test_~splverifierCounter~0#1 < 4; 1988#L434 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 2044#L442 assume !(0 != test_~tmp~3#1); 2041#L442-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 2039#L452 assume !(0 != test_~tmp___0~0#1); 2036#L452-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 2034#L462 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2032#L714 assume { :end_inline_startSystem } true; 2031#L470-2 assume { :begin_inline_timeShift } true; 2029#L507 assume !(0 != ~pumpRunning~0); 2027#L507-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1996#L565 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1863#L539-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1864#L531-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1671#L539-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1672#L565-1 assume { :end_inline_processEnvironment } true; 1697#L514-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 2004#L939-1 __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 2003#L836 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 2002#L971 __utac_acc__Specification3_spec__1_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret46#1;havoc __utac_acc__Specification3_spec__1_#t~ret46#1; 1999#L842 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1998#L842-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1997#L524 assume { :end_inline_timeShift } true; 1702#L432-2
[2022-11-02 20:47:41,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:47:41,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2022-11-02 20:47:41,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:47:41,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993824848]
[2022-11-02 20:47:41,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:47:41,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:47:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:41,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:47:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:41,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:47:41,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:47:41,205 INFO L85 PathProgramCache]: Analyzing trace with hash -825867277, now seen corresponding path program 1 times
[2022-11-02 20:47:41,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:47:41,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135711814]
[2022-11-02 20:47:41,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:47:41,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:47:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:41,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:47:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:41,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:47:41,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:47:41,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1281864265, now seen corresponding path program 1 times
[2022-11-02 20:47:41,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:47:41,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075253066]
[2022-11-02 20:47:41,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:47:41,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:47:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:41,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:47:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:41,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:47:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:45,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:47:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:47:45,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:47:45 BoogieIcfgContainer
[2022-11-02 20:47:45,738 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-11-02 20:47:45,739 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:47:45,739 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:47:45,740 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:47:45,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:47:38" (3/4) ...
[2022-11-02 20:47:45,750 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2022-11-02 20:47:45,825 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:47:45,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:47:45,827 INFO L158 Benchmark]: Toolchain (without parser) took 8952.23ms. Allocated memory was 119.5MB in the beginning and 207.6MB in the end (delta: 88.1MB). Free memory was 78.3MB in the beginning and 140.1MB in the end (delta: -61.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB.
[2022-11-02 20:47:45,829 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:47:45,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.70ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 85.5MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:47:45,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.76ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:47:45,832 INFO L158 Benchmark]: Boogie Preprocessor took 66.79ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 79.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:47:45,832 INFO L158 Benchmark]: RCFGBuilder took 830.58ms. Allocated memory is still 119.5MB. Free memory was 79.5MB in the beginning and 54.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2022-11-02 20:47:45,833 INFO L158 Benchmark]: BuchiAutomizer took 7140.67ms. Allocated memory was 119.5MB in the beginning and 207.6MB in the end (delta: 88.1MB). Free memory was 54.4MB in the beginning and 142.2MB in the end (delta: -87.8MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB.
[2022-11-02 20:47:45,833 INFO L158 Benchmark]: Witness Printer took 86.65ms. Allocated memory is still 207.6MB. Free memory was 142.2MB in the beginning and 140.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:47:45,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 692.70ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 85.5MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 127.76ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 66.79ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 79.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 830.58ms. Allocated memory is still 119.5MB. Free memory was 79.5MB in the beginning and 54.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* BuchiAutomizer took 7140.67ms. Allocated memory was 119.5MB in the beginning and 207.6MB in the end (delta: 88.1MB). Free memory was 54.4MB in the beginning and 142.2MB in the end (delta: -87.8MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB.
* Witness Printer took 86.65ms. Allocated memory is still 207.6MB. Free memory was 142.2MB in the beginning and 140.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 405 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 6.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 613 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1681 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1681 mSDsluCounter, 2694 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2190 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 504 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 432]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L499] int pumpRunning = 0;
[L500] int systemActive = 1;
[L727] int cleanupTimeShifts = 4;
[L896] int waterLevel = 1;
[L897] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L803] int retValue_acc ;
[L804] int tmp ;
[L808] FCALL select_helpers()
[L809] FCALL select_features()
[L810] CALL, EXPR valid_product()
[L887] int retValue_acc ;
[L890] retValue_acc = 1
[L891] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L810] RET, EXPR valid_product()
[L810] tmp = valid_product()
[L812] COND TRUE \read(tmp)
[L814] FCALL setup()
[L815] CALL runTest()
[L794] CALL test()
[L423] int splverifierCounter ;
[L424] int tmp ;
[L425] int tmp___0 ;
[L426] int tmp___1 ;
[L427] int tmp___2 ;
[L430] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L432] COND TRUE 1
[L434] COND TRUE splverifierCounter < 4
[L440] tmp = __VERIFIER_nondet_int()
[L442] COND FALSE !(\read(tmp))
[L450] tmp___0 = __VERIFIER_nondet_int()
[L452] COND FALSE !(\read(tmp___0))
[L460] tmp___2 = __VERIFIER_nondet_int()
[L462] COND TRUE \read(tmp___2)
[L464] CALL startSystem()
[L713] systemActive = 1
[L464] RET startSystem()
[L479] CALL timeShift()
[L507] COND FALSE !(\read(pumpRunning))
[L514] COND TRUE \read(systemActive)
[L516] CALL processEnvironment()
[L562] int tmp ;
[L565] COND FALSE !(\read(pumpRunning))
[L580] CALL processEnvironment__wrappee__methaneQuery()
[L536] int tmp ;
[L539] COND FALSE !(\read(pumpRunning))
[L554] FCALL processEnvironment__wrappee__base()
[L580] RET processEnvironment__wrappee__methaneQuery()
[L516] RET processEnvironment()
[L522] CALL __utac_acc__Specification3_spec__1()
[L828] int tmp ;
[L829] int tmp___0 ;
[L830] int tmp___1 ;
[L834] CALL, EXPR isMethaneLevelCritical()
[L935] int retValue_acc ;
[L938] retValue_acc = methaneLevelCritical
[L939] return (retValue_acc);
[L834] RET, EXPR isMethaneLevelCritical()
[L834] tmp = isMethaneLevelCritical()
[L836] COND FALSE !(\read(tmp))
[L840] CALL, EXPR getWaterLevel()
[L967] int retValue_acc ;
[L970] retValue_acc = waterLevel
[L971] return (retValue_acc);
[L840] RET, EXPR getWaterLevel()
[L840] tmp___0 = getWaterLevel()
[L842] COND FALSE !(tmp___0 == 2)
[L522] RET __utac_acc__Specification3_spec__1()
[L479] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 432]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L499] int pumpRunning = 0;
[L500] int systemActive = 1;
[L727] int cleanupTimeShifts = 4;
[L896] int waterLevel = 1;
[L897] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L803] int retValue_acc ;
[L804] int tmp ;
[L808] FCALL select_helpers()
[L809] FCALL select_features()
[L810] CALL, EXPR valid_product()
[L887] int retValue_acc ;
[L890] retValue_acc = 1
[L891] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L810] RET, EXPR valid_product()
[L810] tmp = valid_product()
[L812] COND TRUE \read(tmp)
[L814] FCALL setup()
[L815] CALL runTest()
[L794] CALL test()
[L423] int splverifierCounter ;
[L424] int tmp ;
[L425] int tmp___0 ;
[L426] int tmp___1 ;
[L427] int tmp___2 ;
[L430] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L432] COND TRUE 1
[L434] COND TRUE splverifierCounter < 4
[L440] tmp = __VERIFIER_nondet_int()
[L442] COND FALSE !(\read(tmp))
[L450] tmp___0 = __VERIFIER_nondet_int()
[L452] COND FALSE !(\read(tmp___0))
[L460] tmp___2 = __VERIFIER_nondet_int()
[L462] COND TRUE \read(tmp___2)
[L464] CALL startSystem()
[L713] systemActive = 1
[L464] RET startSystem()
[L479] CALL timeShift()
[L507] COND FALSE !(\read(pumpRunning))
[L514] COND TRUE \read(systemActive)
[L516] CALL processEnvironment()
[L562] int tmp ;
[L565] COND FALSE !(\read(pumpRunning))
[L580] CALL processEnvironment__wrappee__methaneQuery()
[L536] int tmp ;
[L539] COND FALSE !(\read(pumpRunning))
[L554] FCALL processEnvironment__wrappee__base()
[L580] RET processEnvironment__wrappee__methaneQuery()
[L516] RET processEnvironment()
[L522] CALL __utac_acc__Specification3_spec__1()
[L828] int tmp ;
[L829] int tmp___0 ;
[L830] int tmp___1 ;
[L834] CALL, EXPR isMethaneLevelCritical()
[L935] int retValue_acc ;
[L938] retValue_acc = methaneLevelCritical
[L939] return (retValue_acc);
[L834] RET, EXPR isMethaneLevelCritical()
[L834] tmp = isMethaneLevelCritical()
[L836] COND FALSE !(\read(tmp))
[L840] CALL, EXPR getWaterLevel()
[L967] int retValue_acc ;
[L970] retValue_acc = waterLevel
[L971] return (retValue_acc);
[L840] RET, EXPR getWaterLevel()
[L840] tmp___0 = getWaterLevel()
[L842] COND FALSE !(tmp___0 == 2)
[L522] RET __utac_acc__Specification3_spec__1()
[L479] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2022-11-02 20:47:45,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_902b8cf1-cf10-4ab2-92d5-ac7aeeaa0dcc/bin/uautomizer-Dbtcem3rbc/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)