./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product40.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_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/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_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/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_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/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 7e5f42a5bbc52e8ca75c0ac5e2c6aad044a3ab94096d236f597eae12e8fb5e5c
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:40:24,605 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:40:24,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:40:24,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:40:24,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:40:24,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:40:24,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:40:24,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:40:24,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:40:24,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:40:24,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:40:24,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:40:24,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:40:24,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:40:24,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:40:24,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:40:24,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:40:24,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:40:24,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:40:24,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:40:24,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:40:24,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:40:24,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:40:24,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:40:24,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:40:24,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:40:24,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:40:24,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:40:24,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:40:24,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:40:24,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:40:24,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:40:24,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:40:24,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:40:24,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:40:24,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:40:24,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:40:24,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:40:24,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:40:24,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:40:24,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:40:24,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-11-13 18:40:24,823 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:40:24,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:40:24,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:40:24,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:40:24,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:40:24,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:40:24,827 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:40:24,827 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 18:40:24,828 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-13 18:40:24,828 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-13 18:40:24,829 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-13 18:40:24,830 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-13 18:40:24,830 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 18:40:24,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:40:24,831 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:40:24,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:40:24,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:40:24,832 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:40:24,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:40:24,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 18:40:24,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 18:40:24,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 18:40:24,833 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:40:24,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:40:24,834 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-13 18:40:24,834 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:40:24,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-13 18:40:24,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:40:24,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:40:24,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:40:24,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:40:24,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:40:24,840 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 18:40:24,840 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_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5f42a5bbc52e8ca75c0ac5e2c6aad044a3ab94096d236f597eae12e8fb5e5c
[2021-11-13 18:40:25,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:40:25,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:40:25,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:40:25,227 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:40:25,228 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:40:25,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c
[2021-11-13 18:40:25,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/data/43975ac4d/9d66d5a0978d4cb386d3e5f4d5a3d1af/FLAGd9a8d4067
[2021-11-13 18:40:26,090 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:40:26,091 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c
[2021-11-13 18:40:26,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/data/43975ac4d/9d66d5a0978d4cb386d3e5f4d5a3d1af/FLAGd9a8d4067
[2021-11-13 18:40:26,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/data/43975ac4d/9d66d5a0978d4cb386d3e5f4d5a3d1af
[2021-11-13 18:40:26,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:40:26,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:40:26,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:40:26,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:40:26,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:40:26,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:26,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49661429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26, skipping insertion in model container
[2021-11-13 18:40:26,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:26,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:40:26,412 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:40:26,688 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_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c[3936,3949]
[2021-11-13 18:40:26,789 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:40:26,803 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:40:26,827 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_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c[3936,3949]
[2021-11-13 18:40:26,917 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:40:26,945 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:40:26,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26 WrapperNode
[2021-11-13 18:40:26,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:40:26,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:40:26,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:40:26,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:40:26,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:26,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:27,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:40:27,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:40:27,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:40:27,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:40:27,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:27,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:27,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:27,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:27,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:27,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:27,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:27,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:40:27,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:40:27,173 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:40:27,173 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:40:27,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (1/1) ...
[2021-11-13 18:40:27,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:40:27,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:40:27,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:40:27,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:40:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:40:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:40:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:40:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:40:28,571 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:40:28,572 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2021-11-13 18:40:28,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:40:28 BoogieIcfgContainer
[2021-11-13 18:40:28,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:40:28,576 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 18:40:28,577 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 18:40:28,581 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-13 18:40:28,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:40:28,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:40:26" (1/3) ...
[2021-11-13 18:40:28,584 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5094d62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:40:28, skipping insertion in model container
[2021-11-13 18:40:28,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:40:28,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:26" (2/3) ...
[2021-11-13 18:40:28,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5094d62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:40:28, skipping insertion in model container
[2021-11-13 18:40:28,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:40:28,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:40:28" (3/3) ...
[2021-11-13 18:40:28,587 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product40.cil.c
[2021-11-13 18:40:28,643 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-13 18:40:28,643 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-13 18:40:28,643 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 18:40:28,644 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 18:40:28,644 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 18:40:28,644 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-13 18:40:28,644 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 18:40:28,645 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 18:40:28,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3734939759036144) internal successors, (228), 166 states have internal predecessors, (228), 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 18:40:28,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109
[2021-11-13 18:40:28,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:40:28,709 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:40:28,719 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:40:28,719 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 18:40:28,719 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-11-13 18:40:28,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3734939759036144) internal successors, (228), 166 states have internal predecessors, (228), 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 18:40:28,741 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109
[2021-11-13 18:40:28,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:40:28,742 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:40:28,743 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:40:28,744 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 18:40:28,750 INFO L791 eck$LassoCheckResult]: Stem: 150#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(77, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(101, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(116, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(104, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string17.base, #t~string17.offset, 1);call write~init~int(82, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(73, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(84, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 4 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(75, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 45#L176true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 64#L169true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 102#L184true main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 59#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 140#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 16#L548-2true
[2021-11-13 18:40:28,751 INFO L793 eck$LassoCheckResult]: Loop: 16#L548-2true assume !false; 50#L549true assume test_~splverifierCounter~0#1 < 4; 166#L550true test_~tmp~5#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 161#L558true assume !(0 != test_~tmp~5#1); 154#L558-2true test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 167#L568true assume !(0 != test_~tmp___0~2#1); 34#L568-2true test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 47#L578true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 124#L586true assume !(0 != test_~tmp___1~1#1); 162#L586-2true assume { :begin_inline_timeShift } true; 32#L344true assume !(0 != ~pumpRunning~0); 84#L344-2true assume !(0 != ~systemActive~0); 27#L351-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 73#L282-1true __utac_acc__Specification3_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret9#1;havoc __utac_acc__Specification3_spec__1_#t~ret9#1; 106#L202true assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1; 54#L208-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 82#L361true assume { :end_inline_timeShift } true; 16#L548-2true
[2021-11-13 18:40:28,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:28,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2021-11-13 18:40:28,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:28,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845050160]
[2021-11-13 18:40:28,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:28,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:29,191 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:40:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:29,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:40:29,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:29,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1109555423, now seen corresponding path program 1 times
[2021-11-13 18:40:29,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:29,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098804929]
[2021-11-13 18:40:29,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:29,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:29,477 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:40:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:29,491 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:40:29,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:29,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2041237027, now seen corresponding path program 1 times
[2021-11-13 18:40:29,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:29,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303730941]
[2021-11-13 18:40:29,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:29,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:40:29,780 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 18:40:29,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:40:29,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303730941]
[2021-11-13 18:40:29,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303730941] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:40:29,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:40:29,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:40:29,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196471774]
[2021-11-13 18:40:29,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:40:29,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:40:30,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:40:30,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:40:30,009 INFO L87 Difference]: Start difference. First operand has 167 states, 166 states have (on average 1.3734939759036144) internal successors, (228), 166 states have internal predecessors, (228), 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)
[2021-11-13 18:40:30,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:40:30,479 INFO L93 Difference]: Finished difference Result 546 states and 719 transitions.
[2021-11-13 18:40:30,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:40:30,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 546 states and 719 transitions.
[2021-11-13 18:40:30,522 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 356
[2021-11-13 18:40:30,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 546 states to 506 states and 679 transitions.
[2021-11-13 18:40:30,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 506
[2021-11-13 18:40:30,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 506
[2021-11-13 18:40:30,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 506 states and 679 transitions.
[2021-11-13 18:40:30,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:40:30,560 INFO L681 BuchiCegarLoop]: Abstraction has 506 states and 679 transitions.
[2021-11-13 18:40:30,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states and 679 transitions.
[2021-11-13 18:40:30,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 212.
[2021-11-13 18:40:30,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 212 states have (on average 1.3396226415094339) internal successors, (284), 211 states have internal predecessors, (284), 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 18:40:30,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 284 transitions.
[2021-11-13 18:40:30,637 INFO L704 BuchiCegarLoop]: Abstraction has 212 states and 284 transitions.
[2021-11-13 18:40:30,637 INFO L587 BuchiCegarLoop]: Abstraction has 212 states and 284 transitions.
[2021-11-13 18:40:30,637 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-11-13 18:40:30,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 212 states and 284 transitions.
[2021-11-13 18:40:30,641 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149
[2021-11-13 18:40:30,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:40:30,641 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:40:30,643 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:40:30,644 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 18:40:30,644 INFO L791 eck$LassoCheckResult]: Stem: 880#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(77, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(101, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(116, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(104, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string17.base, #t~string17.offset, 1);call write~init~int(82, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(73, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(84, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 4 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(75, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 800#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 801#L176 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 807#L169 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 830#L184 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 825#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 826#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 757#L548-2
[2021-11-13 18:40:30,645 INFO L793 eck$LassoCheckResult]: Loop: 757#L548-2 assume !false; 758#L549 assume test_~splverifierCounter~0#1 < 4; 813#L550 test_~tmp~5#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 884#L558 assume !(0 != test_~tmp~5#1); 806#L558-2 test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 882#L568 assume !(0 != test_~tmp___0~2#1); 791#L568-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 792#L578 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 808#L586 assume !(0 != test_~tmp___1~1#1); 866#L586-2 assume { :begin_inline_timeShift } true; 787#L344 assume !(0 != ~pumpRunning~0); 788#L344-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret23#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 851#L402 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret22#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 743#L376-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 744#L368-3 assume { :end_inline_processEnvironment__wrappee__base } true; 848#L376-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 741#L402-1 assume { :end_inline_processEnvironment } true; 742#L351-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 781#L282-1 __utac_acc__Specification3_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret9#1;havoc __utac_acc__Specification3_spec__1_#t~ret9#1; 843#L202 assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1; 819#L208-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 820#L361 assume { :end_inline_timeShift } true; 757#L548-2
[2021-11-13 18:40:30,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:30,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2021-11-13 18:40:30,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:30,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928616338]
[2021-11-13 18:40:30,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:30,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:30,751 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:40:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:30,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:40:30,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1941547735, now seen corresponding path program 1 times
[2021-11-13 18:40:30,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:30,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299015766]
[2021-11-13 18:40:30,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:30,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:40:30,919 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 18:40:30,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:40:30,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299015766]
[2021-11-13 18:40:30,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299015766] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:40:30,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:40:30,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:40:30,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287805928]
[2021-11-13 18:40:30,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:40:30,934 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-11-13 18:40:30,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:40:30,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:40:30,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:40:30,936 INFO L87 Difference]: Start difference. First operand 212 states and 284 transitions. cyclomatic complexity: 75 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:40:31,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:40:31,046 INFO L93 Difference]: Finished difference Result 269 states and 345 transitions.
[2021-11-13 18:40:31,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:40:31,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 345 transitions.
[2021-11-13 18:40:31,053 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 193
[2021-11-13 18:40:31,056 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 269 states and 345 transitions.
[2021-11-13 18:40:31,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 269
[2021-11-13 18:40:31,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 269
[2021-11-13 18:40:31,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 269 states and 345 transitions.
[2021-11-13 18:40:31,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:40:31,058 INFO L681 BuchiCegarLoop]: Abstraction has 269 states and 345 transitions.
[2021-11-13 18:40:31,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states and 345 transitions.
[2021-11-13 18:40:31,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269.
[2021-11-13 18:40:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 269 states have (on average 1.2825278810408922) internal successors, (345), 268 states have internal predecessors, (345), 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 18:40:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 345 transitions.
[2021-11-13 18:40:31,085 INFO L704 BuchiCegarLoop]: Abstraction has 269 states and 345 transitions.
[2021-11-13 18:40:31,085 INFO L587 BuchiCegarLoop]: Abstraction has 269 states and 345 transitions.
[2021-11-13 18:40:31,086 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-11-13 18:40:31,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 269 states and 345 transitions.
[2021-11-13 18:40:31,090 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 193
[2021-11-13 18:40:31,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:40:31,090 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:40:31,093 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:40:31,094 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, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:40:31,095 INFO L791 eck$LassoCheckResult]: Stem: 1384#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(77, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(101, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(116, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(104, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string17.base, #t~string17.offset, 1);call write~init~int(82, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(73, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(84, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 4 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(75, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1288#L176 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1294#L169 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 1318#L184 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 1311#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1312#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1378#L548-2
[2021-11-13 18:40:31,096 INFO L793 eck$LassoCheckResult]: Loop: 1378#L548-2 assume !false; 1466#L549 assume test_~splverifierCounter~0#1 < 4; 1467#L550 test_~tmp~5#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 1485#L558 assume !(0 != test_~tmp~5#1); 1483#L558-2 test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1481#L568 assume !(0 != test_~tmp___0~2#1); 1479#L568-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1478#L578 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1296#L534 assume { :end_inline_startSystem } true; 1359#L586-2 assume { :begin_inline_timeShift } true; 1476#L344 assume !(0 != ~pumpRunning~0); 1420#L344-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret23#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1360#L402 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret22#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1230#L376-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 1231#L322-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 1377#L327-1 isHighWaterLevel_#t~ret41#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret41#1;havoc isHighWaterLevel_#t~ret41#1; 1352#L504-3 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1250#L504-5 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 1251#L510-1 processEnvironment__wrappee__highWaterSensor_#t~ret22#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret22#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret22#1; 1239#L380-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1241#L368-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1370#L376-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1228#L402-1 assume { :end_inline_processEnvironment } true; 1229#L351-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1475#L282-1 __utac_acc__Specification3_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret9#1;havoc __utac_acc__Specification3_spec__1_#t~ret9#1; 1473#L202 assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1; 1469#L208-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1468#L361 assume { :end_inline_timeShift } true; 1378#L548-2
[2021-11-13 18:40:31,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:31,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2021-11-13 18:40:31,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:31,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848694573]
[2021-11-13 18:40:31,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:31,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:31,164 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:40:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:31,270 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:40:31,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:31,278 INFO L85 PathProgramCache]: Analyzing trace with hash 654988125, now seen corresponding path program 1 times
[2021-11-13 18:40:31,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:31,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694319475]
[2021-11-13 18:40:31,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:31,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:31,290 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:40:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:31,302 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:40:31,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:31,315 INFO L85 PathProgramCache]: Analyzing trace with hash -595993823, now seen corresponding path program 1 times
[2021-11-13 18:40:31,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:31,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968570776]
[2021-11-13 18:40:31,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:31,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:40:31,415 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 18:40:31,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:40:31,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968570776]
[2021-11-13 18:40:31,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968570776] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:40:31,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:40:31,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:40:31,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713649221]
[2021-11-13 18:40:31,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:40:31,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:40:31,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:40:31,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:40:31,757 INFO L87 Difference]: Start difference. First operand 269 states and 345 transitions. cyclomatic complexity: 79 Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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 18:40:31,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:40:31,947 INFO L93 Difference]: Finished difference Result 928 states and 1180 transitions.
[2021-11-13 18:40:31,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 18:40:31,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 928 states and 1180 transitions.
[2021-11-13 18:40:31,962 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 704
[2021-11-13 18:40:31,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 928 states to 928 states and 1180 transitions.
[2021-11-13 18:40:31,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 928
[2021-11-13 18:40:31,975 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 928
[2021-11-13 18:40:31,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 928 states and 1180 transitions.
[2021-11-13 18:40:31,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:40:31,977 INFO L681 BuchiCegarLoop]: Abstraction has 928 states and 1180 transitions.
[2021-11-13 18:40:31,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states and 1180 transitions.
[2021-11-13 18:40:32,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 531.
[2021-11-13 18:40:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 531 states have (on average 1.2636534839924671) internal successors, (671), 530 states have internal predecessors, (671), 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 18:40:32,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 671 transitions.
[2021-11-13 18:40:32,008 INFO L704 BuchiCegarLoop]: Abstraction has 531 states and 671 transitions.
[2021-11-13 18:40:32,008 INFO L587 BuchiCegarLoop]: Abstraction has 531 states and 671 transitions.
[2021-11-13 18:40:32,008 INFO L425 BuchiCegarLoop]: ======== Iteration 4============
[2021-11-13 18:40:32,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 531 states and 671 transitions.
[2021-11-13 18:40:32,013 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 386
[2021-11-13 18:40:32,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:40:32,014 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:40:32,015 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:40:32,015 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:40:32,016 INFO L791 eck$LassoCheckResult]: Stem: 2608#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(77, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(101, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(116, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(104, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string17.base, #t~string17.offset, 1);call write~init~int(82, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(73, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(84, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 4 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(75, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 2501#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 2502#L176 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2508#L169 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 2533#L184 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 2526#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 2527#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2460#L548-2
[2021-11-13 18:40:32,017 INFO L793 eck$LassoCheckResult]: Loop: 2460#L548-2 assume !false; 2461#L549 assume test_~splverifierCounter~0#1 < 4; 2827#L550 test_~tmp~5#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 2943#L558 assume !(0 != test_~tmp~5#1); 2941#L558-2 test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 2940#L568 assume !(0 != test_~tmp___0~2#1); 2938#L568-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 2937#L578 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 2935#L586 assume !(0 != test_~tmp___1~1#1); 2936#L586-2 assume { :begin_inline_timeShift } true; 2948#L344 assume !(0 != ~pumpRunning~0); 2947#L344-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret23#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 2579#L402 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret22#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 2445#L376-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 2446#L322-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 2601#L327-1 isHighWaterLevel_#t~ret41#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret41#1;havoc isHighWaterLevel_#t~ret41#1; 2568#L504-3 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2465#L504-5 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 2466#L510-1 processEnvironment__wrappee__highWaterSensor_#t~ret22#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret22#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret22#1; 2451#L380-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2453#L368-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2589#L376-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2443#L402-1 assume { :end_inline_processEnvironment } true; 2444#L351-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 2481#L282-1 __utac_acc__Specification3_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret9#1;havoc __utac_acc__Specification3_spec__1_#t~ret9#1; 2575#L202 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 2576#L314 __utac_acc__Specification3_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret10#1;havoc __utac_acc__Specification3_spec__1_#t~ret10#1; 2597#L208 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 2520#L208-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2521#L361 assume { :end_inline_timeShift } true; 2460#L548-2
[2021-11-13 18:40:32,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:32,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times
[2021-11-13 18:40:32,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:32,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099336650]
[2021-11-13 18:40:32,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:32,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:32,074 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:40:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:32,139 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:40:32,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:32,140 INFO L85 PathProgramCache]: Analyzing trace with hash 738432386, now seen corresponding path program 1 times
[2021-11-13 18:40:32,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:32,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083736023]
[2021-11-13 18:40:32,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:32,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:32,161 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:40:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:32,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:40:32,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:40:32,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1135623238, now seen corresponding path program 1 times
[2021-11-13 18:40:32,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:40:32,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013923004]
[2021-11-13 18:40:32,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:40:32,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:40:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:32,238 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:40:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:40:32,299 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:41:46,838 WARN L227 SmtUtils]: Spent 1.24m on a formula simplification. DAG size of input: 491 DAG size of output: 433 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)
[2021-11-13 18:43:05,929 WARN L227 SmtUtils]: Spent 38.49s on a formula simplification that was a NOOP. DAG size: 433 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)
[2021-11-13 18:43:06,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:43:06 BoogieIcfgContainer
[2021-11-13 18:43:06,060 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-13 18:43:06,061 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:43:06,061 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:43:06,061 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:43:06,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:40:28" (3/4) ...
[2021-11-13 18:43:06,065 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-11-13 18:43:06,148 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:43:06,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:43:06,149 INFO L158 Benchmark]: Toolchain (without parser) took 159826.15ms. Allocated memory was 102.8MB in the beginning and 163.6MB in the end (delta: 60.8MB). Free memory was 68.3MB in the beginning and 91.8MB in the end (delta: -23.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB.
[2021-11-13 18:43:06,149 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:43:06,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.22ms. Allocated memory is still 102.8MB. Free memory was 68.1MB in the beginning and 70.0MB in the end (delta: -1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:43:06,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.86ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 66.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:43:06,151 INFO L158 Benchmark]: Boogie Preprocessor took 83.14ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 63.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:43:06,151 INFO L158 Benchmark]: RCFGBuilder took 1402.32ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 63.8MB in the beginning and 76.1MB in the end (delta: -12.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB.
[2021-11-13 18:43:06,152 INFO L158 Benchmark]: BuchiAutomizer took 157483.93ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 76.1MB in the beginning and 94.9MB in the end (delta: -18.8MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB.
[2021-11-13 18:43:06,152 INFO L158 Benchmark]: Witness Printer took 87.17ms. Allocated memory is still 163.6MB. Free memory was 94.9MB in the beginning and 91.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:43:06,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 622.22ms. Allocated memory is still 102.8MB. Free memory was 68.1MB in the beginning and 70.0MB in the end (delta: -1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 139.86ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 66.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 83.14ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 63.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1402.32ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 63.8MB in the beginning and 76.1MB in the end (delta: -12.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB.
* BuchiAutomizer took 157483.93ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 76.1MB in the beginning and 94.9MB in the end (delta: -18.8MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB.
* Witness Printer took 87.17ms. Allocated memory is still 163.6MB. Free memory was 94.9MB in the beginning and 91.8MB 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 531 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 157.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 156.1s. Construction of modules took 0.4s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 691 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 531 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1952 SdHoareTripleChecker+Valid, 559.70ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1952 mSDsluCounter, 3152 SdHoareTripleChecker+Invalid, 464.79ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2410 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 156 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 742 mSDtfsCounter, 156 mSolverCounterSat, 30.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 548]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=18977}
State at position 1 is
{NULL=0, NULL=0, NULL=18977, NULL=48076, NULL=48060, methaneLevelCritical=0, NULL=0, tmp=1, NULL=48062, NULL=0, NULL=0, tmp___2=0, NULL=48057, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2473fa89=0, cleanupTimeShifts=4, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56c5f760=0, NULL=18978, \result=1, waterLevel=1, NULL=0, retValue_acc=0, NULL=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cde23ab=0, tmp___0=0, head=0, pumpRunning=0, NULL=48068, NULL=0, NULL=0, tmp___0=1, NULL=0, \result=0, retValue_acc=1, NULL=0, NULL=48066, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=48054, NULL=48058, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11c53226=0, NULL=48065, NULL=48067, tmp=1, head=0, NULL=0, NULL=0, NULL=48053, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c1a399=0, tmp=0, NULL=48072, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@566dd30a=0, splverifierCounter=0, NULL=48074, tmp___0=0, NULL=0, NULL=48055, retValue_acc=0, tmp=0, NULL=0, NULL=0, NULL=48077, NULL=0, NULL=0, NULL=48070, NULL=48069, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b7227f5=0, NULL=0, NULL=0, retValue_acc=1, systemActive=1, NULL=48061, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27f97f72=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65c3423c=0, NULL=48073, NULL=43933, NULL=0, NULL=48063, NULL=0, NULL=0, NULL=48064, retValue_acc=1, \result=1, retValue_acc=0, NULL=48071, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dcfcffa=0, NULL=48075, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@506d1420=0, tmp=0, NULL=18979, NULL=48059, NULL=0, NULL=48056, tmp=0}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 548]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L50] int cleanupTimeShifts = 4;
[L239] int waterLevel = 1;
[L240] int methaneLevelCritical = 0;
[L337] int pumpRunning = 0;
[L338] int systemActive = 1;
[L776] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L131] int retValue_acc ;
[L132] int tmp ;
[L136] FCALL select_helpers()
[L137] FCALL select_features()
[L138] CALL, EXPR valid_product()
[L180] int retValue_acc ;
[L183] retValue_acc = 1
[L184] return (retValue_acc);
[L138] RET, EXPR valid_product()
[L138] tmp = valid_product()
[L140] COND TRUE \read(tmp)
[L142] FCALL setup()
[L143] CALL runTest()
[L122] CALL test()
[L539] int splverifierCounter ;
[L540] int tmp ;
[L541] int tmp___0 ;
[L542] int tmp___1 ;
[L543] int tmp___2 ;
[L546] splverifierCounter = 0
Loop:
[L548] COND TRUE 1
[L550] COND TRUE splverifierCounter < 4
[L556] tmp = __VERIFIER_nondet_int()
[L558] COND FALSE !(\read(tmp))
[L566] tmp___0 = __VERIFIER_nondet_int()
[L568] COND FALSE !(\read(tmp___0))
[L576] tmp___2 = __VERIFIER_nondet_int()
[L578] COND FALSE !(\read(tmp___2))
[L584] tmp___1 = __VERIFIER_nondet_int()
[L586] COND FALSE !(\read(tmp___1))
[L595] CALL timeShift()
[L344] COND FALSE !(\read(pumpRunning))
[L351] COND TRUE \read(systemActive)
[L353] CALL processEnvironment()
[L399] int tmp ;
[L402] COND FALSE !(\read(pumpRunning))
[L417] CALL processEnvironment__wrappee__highWaterSensor()
[L373] int tmp ;
[L376] COND TRUE ! pumpRunning
[L378] CALL, EXPR isHighWaterLevel()
[L496] int retValue_acc ;
[L497] int tmp ;
[L498] int tmp___0 ;
[L502] CALL, EXPR isHighWaterSensorDry()
[L319] int retValue_acc ;
[L322] COND TRUE waterLevel < 2
[L323] retValue_acc = 1
[L324] return (retValue_acc);
[L502] RET, EXPR isHighWaterSensorDry()
[L502] tmp = isHighWaterSensorDry()
[L504] COND TRUE \read(tmp)
[L505] tmp___0 = 0
[L509] retValue_acc = tmp___0
[L510] return (retValue_acc);
[L378] RET, EXPR isHighWaterLevel()
[L378] tmp = isHighWaterLevel()
[L380] COND FALSE !(\read(tmp))
[L386] FCALL processEnvironment__wrappee__base()
[L417] RET processEnvironment__wrappee__highWaterSensor()
[L353] RET processEnvironment()
[L359] CALL __utac_acc__Specification3_spec__1()
[L194] int tmp ;
[L195] int tmp___0 ;
[L196] int tmp___1 ;
[L200] CALL, EXPR isMethaneLevelCritical()
[L278] int retValue_acc ;
[L281] retValue_acc = methaneLevelCritical
[L282] return (retValue_acc);
[L200] RET, EXPR isMethaneLevelCritical()
[L200] tmp = isMethaneLevelCritical()
[L202] COND FALSE !(\read(tmp))
[L206] CALL, EXPR getWaterLevel()
[L310] int retValue_acc ;
[L313] retValue_acc = waterLevel
[L314] return (retValue_acc);
[L206] RET, EXPR getWaterLevel()
[L206] tmp___0 = getWaterLevel()
[L208] COND FALSE !(tmp___0 == 2)
[L359] RET __utac_acc__Specification3_spec__1()
[L595] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-11-13 18:43:06,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e0a78-bfc0-41b3-a221-dfe13d5cdde9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)