./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:56:02,791 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:56:02,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 07:56:02,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:56:02,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:56:02,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:56:02,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:56:02,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:56:03,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:56:03,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:56:03,002 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:56:03,002 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 07:56:03,003 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2023-11-19 07:56:03,004 INFO L153 SettingsManager]: * Use old map elimination=false
[2023-11-19 07:56:03,004 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2023-11-19 07:56:03,005 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2023-11-19 07:56:03,006 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 07:56:03,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:56:03,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2023-11-19 07:56:03,008 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:56:03,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:56:03,009 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:56:03,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:56:03,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 07:56:03,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 07:56:03,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 07:56:03,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:56:03,012 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:56:03,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:56:03,013 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2023-11-19 07:56:03,013 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:56:03,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:56:03,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:56:03,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:56:03,015 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:56:03,015 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 07:56:03,016 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf
[2023-11-19 07:56:03,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:56:03,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:56:03,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:56:03,365 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:56:03,366 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:56:03,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c
[2023-11-19 07:56:06,715 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:56:07,024 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:56:07,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c
[2023-11-19 07:56:07,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/data/936925a8e/f454a917f0bb4f7f9f8351d375be0ead/FLAGff0b8fc83
[2023-11-19 07:56:07,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/data/936925a8e/f454a917f0bb4f7f9f8351d375be0ead
[2023-11-19 07:56:07,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:56:07,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:56:07,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:07,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:56:07,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:56:07,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:07,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fe3bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07, skipping insertion in model container
[2023-11-19 07:56:07,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:07,390 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:56:07,700 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:07,715 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:56:07,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2023-11-19 07:56:07,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [155]
[2023-11-19 07:56:07,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [164]
[2023-11-19 07:56:07,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [205]
[2023-11-19 07:56:07,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [313]
[2023-11-19 07:56:07,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [381]
[2023-11-19 07:56:07,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [638]
[2023-11-19 07:56:07,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [673]
[2023-11-19 07:56:07,800 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:07,824 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:56:07,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07 WrapperNode
[2023-11-19 07:56:07,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:07,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:07,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:56:07,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:56:07,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:07,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:07,923 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 61, calls inlined = 179, statements flattened = 1226
[2023-11-19 07:56:07,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:07,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:56:07,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:56:07,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:56:07,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:07,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:07,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:07,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:07,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:07,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:08,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:08,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:08,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:56:08,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:56:08,033 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:56:08,033 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:56:08,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (1/1) ...
[2023-11-19 07:56:08,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:56:08,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:08,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:56:08,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:56:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:56:08,275 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:56:08,277 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:56:09,134 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:56:09,166 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:56:09,172 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:56:09,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:09 BoogieIcfgContainer
[2023-11-19 07:56:09,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:56:09,185 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 07:56:09,185 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 07:56:09,189 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2023-11-19 07:56:09,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:56:09,191 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:56:07" (1/3) ...
[2023-11-19 07:56:09,192 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7017ce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:09, skipping insertion in model container
[2023-11-19 07:56:09,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:56:09,192 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:07" (2/3) ...
[2023-11-19 07:56:09,194 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7017ce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:09, skipping insertion in model container
[2023-11-19 07:56:09,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:56:09,195 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:09" (3/3) ...
[2023-11-19 07:56:09,196 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product63.cil.c
[2023-11-19 07:56:09,288 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 07:56:09,289 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2023-11-19 07:56:09,289 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 07:56:09,289 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 07:56:09,290 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 07:56:09,290 INFO L308 stractBuchiCegarLoop]: Difference is false
[2023-11-19 07:56:09,290 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 07:56:09,291 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 07:56:09,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 329 states, 328 states have (on average 1.353658536585366) internal successors, (444), 328 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:09,370 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 216
[2023-11-19 07:56:09,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:56:09,372 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:56:09,380 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:09,380 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:09,381 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 07:56:09,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 329 states, 328 states have (on average 1.353658536585366) internal successors, (444), 328 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:09,401 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 216
[2023-11-19 07:56:09,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:56:09,403 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:56:09,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:09,405 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:09,410 INFO L748 eck$LassoCheckResult]: Stem: 196#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 211#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#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; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 297#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 111#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 125#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 91#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 134#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 126#L325-2true
[2023-11-19 07:56:09,411 INFO L750 eck$LassoCheckResult]: Loop: 126#L325-2true assume !false; 191#L326true assume test_~splverifierCounter~0#1 < 4; 186#L327true havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 24#L335true assume !(0 != test_~tmp~2#1); 38#L335-2true havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 153#L345true assume !(0 != test_~tmp___0~1#1); 303#L345-2true havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 201#L355true assume 0 != test_~tmp___2~0#1; 296#L361-2true assume { :begin_inline_timeShift } true; 103#L391true assume !(0 != ~pumpRunning~0); 3#L391-2true assume !(0 != ~systemActive~0); 42#L398-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 320#isMethaneLevelCritical_returnLabel#6true __utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret5#1;havoc __utac_acc__Specification2_spec__2_#t~ret5#1; 101#L184true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 154#L184-1true havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 242#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 126#L325-2true
[2023-11-19 07:56:09,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:09,418 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2023-11-19 07:56:09,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:09,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969425839]
[2023-11-19 07:56:09,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:09,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:09,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:56:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:09,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:56:09,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:09,571 INFO L85 PathProgramCache]: Analyzing trace with hash -605398516, now seen corresponding path program 1 times
[2023-11-19 07:56:09,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:09,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053544384]
[2023-11-19 07:56:09,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:09,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:56:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:09,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:56:09,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:09,594 INFO L85 PathProgramCache]: Analyzing trace with hash -767685899, now seen corresponding path program 1 times
[2023-11-19 07:56:09,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:09,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005466917]
[2023-11-19 07:56:09,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:09,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:09,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:09,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005466917]
[2023-11-19 07:56:09,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005466917] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:09,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:09,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:56:09,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958809850]
[2023-11-19 07:56:09,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:10,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:10,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:56:10,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:56:10,073 INFO L87 Difference]: Start difference. First operand has 329 states, 328 states have (on average 1.353658536585366) internal successors, (444), 328 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:10,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:10,257 INFO L93 Difference]: Finished difference Result 705 states and 936 transitions.
[2023-11-19 07:56:10,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 705 states and 936 transitions.
[2023-11-19 07:56:10,269 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 461
[2023-11-19 07:56:10,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 705 states to 675 states and 906 transitions.
[2023-11-19 07:56:10,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 675
[2023-11-19 07:56:10,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 675
[2023-11-19 07:56:10,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 675 states and 906 transitions.
[2023-11-19 07:56:10,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:56:10,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 675 states and 906 transitions.
[2023-11-19 07:56:10,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states and 906 transitions.
[2023-11-19 07:56:10,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 368.
[2023-11-19 07:56:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 368 states have (on average 1.3423913043478262) internal successors, (494), 367 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 494 transitions.
[2023-11-19 07:56:10,422 INFO L240 hiAutomatonCegarLoop]: Abstraction has 368 states and 494 transitions.
[2023-11-19 07:56:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:56:10,430 INFO L428 stractBuchiCegarLoop]: Abstraction has 368 states and 494 transitions.
[2023-11-19 07:56:10,431 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 07:56:10,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 368 states and 494 transitions.
[2023-11-19 07:56:10,435 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 252
[2023-11-19 07:56:10,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:56:10,436 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:56:10,439 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:10,440 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:10,440 INFO L748 eck$LassoCheckResult]: Stem: 1317#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1318#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#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; 1108#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1109#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 1231#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1232#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1205#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1206#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1247#L325-2
[2023-11-19 07:56:10,441 INFO L750 eck$LassoCheckResult]: Loop: 1247#L325-2 assume !false; 1248#L326 assume test_~splverifierCounter~0#1 < 4; 1312#L327 havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1099#L335 assume !(0 != test_~tmp~2#1); 1101#L335-2 havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 1123#L345 assume !(0 != test_~tmp___0~1#1); 1178#L345-2 havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 1322#L355 assume 0 != test_~tmp___2~0#1; 1323#L361-2 assume { :begin_inline_timeShift } true; 1221#L391 assume !(0 != ~pumpRunning~0); 1054#L391-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1055#L475 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret20#1, isMethaneAlarm_~retValue_acc~5#1;havoc isMethaneAlarm_~retValue_acc~5#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 1212#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret20#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~5#1 := isMethaneAlarm_#t~ret20#1;havoc isMethaneAlarm_#t~ret20#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; 1364#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret18#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret20#1, isMethaneAlarm_~retValue_acc~5#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret18#1;havoc processEnvironment_#t~ret18#1; 1345#L479 assume 0 != processEnvironment_~tmp~5#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1199#deactivatePump_returnLabel#2 assume { :end_inline_deactivatePump } true; 1184#L475-1 havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1128#L398-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 1129#isMethaneLevelCritical_returnLabel#6 __utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret5#1;havoc __utac_acc__Specification2_spec__2_#t~ret5#1; 1218#L184 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 1087#L184-1 havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1284#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1247#L325-2
[2023-11-19 07:56:10,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:10,442 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2023-11-19 07:56:10,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:10,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249005557]
[2023-11-19 07:56:10,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:10,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:10,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:56:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:10,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:56:10,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:10,507 INFO L85 PathProgramCache]: Analyzing trace with hash 145292917, now seen corresponding path program 1 times
[2023-11-19 07:56:10,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:10,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14544032]
[2023-11-19 07:56:10,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:10,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:10,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:10,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14544032]
[2023-11-19 07:56:10,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14544032] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:10,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:10,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:10,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999947573]
[2023-11-19 07:56:10,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:10,536 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:56:10,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:10,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:56:10,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:56:10,538 INFO L87 Difference]: Start difference. First operand 368 states and 494 transitions. cyclomatic complexity: 129 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:10,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:10,643 INFO L93 Difference]: Finished difference Result 373 states and 476 transitions.
[2023-11-19 07:56:10,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 373 states and 476 transitions.
[2023-11-19 07:56:10,648 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 261
[2023-11-19 07:56:10,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 373 states to 373 states and 476 transitions.
[2023-11-19 07:56:10,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 373
[2023-11-19 07:56:10,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 373
[2023-11-19 07:56:10,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 373 states and 476 transitions.
[2023-11-19 07:56:10,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:56:10,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 373 states and 476 transitions.
[2023-11-19 07:56:10,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states and 476 transitions.
[2023-11-19 07:56:10,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373.
[2023-11-19 07:56:10,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 373 states have (on average 1.2761394101876675) internal successors, (476), 372 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:10,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 476 transitions.
[2023-11-19 07:56:10,670 INFO L240 hiAutomatonCegarLoop]: Abstraction has 373 states and 476 transitions.
[2023-11-19 07:56:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:56:10,671 INFO L428 stractBuchiCegarLoop]: Abstraction has 373 states and 476 transitions.
[2023-11-19 07:56:10,672 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2023-11-19 07:56:10,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 373 states and 476 transitions.
[2023-11-19 07:56:10,675 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 261
[2023-11-19 07:56:10,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:56:10,676 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:56:10,677 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:10,677 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:10,677 INFO L748 eck$LassoCheckResult]: Stem: 2027#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 2028#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#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; 1843#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1844#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 1948#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1949#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1923#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1924#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1974#L325-2
[2023-11-19 07:56:10,678 INFO L750 eck$LassoCheckResult]: Loop: 1974#L325-2 assume !false; 2140#L326 assume test_~splverifierCounter~0#1 < 4; 2020#L327 havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1838#L335 assume !(0 != test_~tmp~2#1); 1840#L335-2 havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 1854#L345 assume !(0 != test_~tmp___0~1#1); 1901#L345-2 havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 2067#L355 assume 0 != test_~tmp___2~0#1; 2149#L361-2 assume { :begin_inline_timeShift } true; 2148#L391 assume !(0 != ~pumpRunning~0); 1801#L391-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1802#L475 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret17#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1927#L449-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 2016#L423-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret29#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 2033#L294-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 2034#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret29#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret29#1;havoc isHighWaterLevel_#t~ret29#1; 1902#L594-9 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1903#L594-11 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 1973#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret16#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret29#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret16#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1; 1911#L427-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1913#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 1857#L423-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1858#L449-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret17#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1906#L475-1 havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1855#L398-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 1856#isMethaneLevelCritical_returnLabel#6 __utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret5#1;havoc __utac_acc__Specification2_spec__2_#t~ret5#1; 1934#L184 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 1824#L184-1 havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1993#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1974#L325-2
[2023-11-19 07:56:10,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:10,679 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2023-11-19 07:56:10,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:10,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130686067]
[2023-11-19 07:56:10,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:10,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:10,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:56:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:10,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:56:10,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:10,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1207911691, now seen corresponding path program 1 times
[2023-11-19 07:56:10,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:10,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465112202]
[2023-11-19 07:56:10,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:10,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:10,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:56:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:10,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:56:10,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:10,724 INFO L85 PathProgramCache]: Analyzing trace with hash 2114328258, now seen corresponding path program 1 times
[2023-11-19 07:56:10,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:10,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054056320]
[2023-11-19 07:56:10,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:10,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:10,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:56:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:10,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:56:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:11,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:56:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:56:12,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:56:12 BoogieIcfgContainer
[2023-11-19 07:56:12,030 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 07:56:12,031 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:56:12,031 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:56:12,031 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:56:12,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:09" (3/4) ...
[2023-11-19 07:56:12,033 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2023-11-19 07:56:12,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:56:12,087 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:56:12,088 INFO L158 Benchmark]: Toolchain (without parser) took 4760.18ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 136.9MB in the beginning and 74.0MB in the end (delta: 62.9MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB.
[2023-11-19 07:56:12,088 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 115.3MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:56:12,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.39ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 117.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:56:12,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.82ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 112.6MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:56:12,089 INFO L158 Benchmark]: Boogie Preprocessor took 96.39ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 108.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:56:12,090 INFO L158 Benchmark]: RCFGBuilder took 1150.84ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 118.4MB in the end (delta: -10.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-19 07:56:12,090 INFO L158 Benchmark]: BuchiAutomizer took 2845.75ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 118.4MB in the beginning and 77.2MB in the end (delta: 41.3MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB.
[2023-11-19 07:56:12,091 INFO L158 Benchmark]: Witness Printer took 56.33ms. Allocated memory is still 201.3MB. Free memory was 77.2MB in the beginning and 74.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:56:12,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.76ms. Allocated memory is still 115.3MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 496.39ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 117.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 108.82ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 112.6MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 96.39ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 108.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1150.84ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 118.4MB in the end (delta: -10.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2845.75ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 118.4MB in the beginning and 77.2MB in the end (delta: 41.3MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB.
* Witness Printer took 56.33ms. Allocated memory is still 201.3MB. Free memory was 77.2MB in the beginning and 74.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
- GenericResultAtLocation [Line: 155]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [155]
- GenericResultAtLocation [Line: 164]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [164]
- GenericResultAtLocation [Line: 205]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [205]
- GenericResultAtLocation [Line: 313]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [313]
- GenericResultAtLocation [Line: 381]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [381]
- GenericResultAtLocation [Line: 638]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [638]
- GenericResultAtLocation [Line: 673]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [673]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 373 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 307 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1903 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1903 mSDsluCounter, 2455 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1714 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 741 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 325]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L50] int cleanupTimeShifts = 4;
[L167] int methAndRunningLastTime ;
[L211] int waterLevel = 1;
[L212] int methaneLevelCritical = 0;
[L384] int pumpRunning = 0;
[L385] int systemActive = 1;
[L843] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L133] int retValue_acc ;
[L134] int tmp ;
[L138] FCALL select_helpers()
[L139] FCALL select_features()
[L140] CALL, EXPR valid_product()
[L665] int retValue_acc ;
[L668] retValue_acc = 1
[L669] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L140] RET, EXPR valid_product()
[L140] tmp = valid_product()
[L142] COND TRUE \read(tmp)
[L144] FCALL setup()
[L145] CALL runTest()
[L123] CALL __utac_acc__Specification2_spec__1()
[L172] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L123] RET __utac_acc__Specification2_spec__1()
[L124] CALL test()
[L316] int splverifierCounter ;
[L317] int tmp ;
[L318] int tmp___0 ;
[L319] int tmp___1 ;
[L320] int tmp___2 ;
[L323] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L325] COND TRUE 1
[L327] COND TRUE splverifierCounter < 4
[L333] tmp = __VERIFIER_nondet_int()
[L335] COND FALSE !(\read(tmp))
[L343] tmp___0 = __VERIFIER_nondet_int()
[L345] COND FALSE !(\read(tmp___0))
[L353] tmp___2 = __VERIFIER_nondet_int()
[L355] COND TRUE \read(tmp___2)
[L370] CALL timeShift()
[L391] COND FALSE !(\read(pumpRunning))
[L398] COND TRUE \read(systemActive)
[L400] CALL processEnvironment()
[L472] int tmp ;
[L475] COND FALSE !(\read(pumpRunning))
[L490] CALL processEnvironment__wrappee__methaneQuery()
[L446] int tmp ;
[L449] COND FALSE !(\read(pumpRunning))
[L464] CALL processEnvironment__wrappee__highWaterSensor()
[L420] int tmp ;
[L423] COND TRUE ! pumpRunning
[L425] CALL, EXPR isHighWaterLevel()
[L586] int retValue_acc ;
[L587] int tmp ;
[L588] int tmp___0 ;
[L592] CALL, EXPR isHighWaterSensorDry()
[L291] int retValue_acc ;
[L294] COND TRUE waterLevel < 2
[L295] retValue_acc = 1
[L296] return (retValue_acc);
[L592] RET, EXPR isHighWaterSensorDry()
[L592] tmp = isHighWaterSensorDry()
[L594] COND TRUE \read(tmp)
[L595] tmp___0 = 0
[L599] retValue_acc = tmp___0
[L600] return (retValue_acc);
[L425] RET, EXPR isHighWaterLevel()
[L425] tmp = isHighWaterLevel()
[L427] COND FALSE !(\read(tmp))
[L433] FCALL processEnvironment__wrappee__base()
[L464] RET processEnvironment__wrappee__highWaterSensor()
[L490] RET processEnvironment__wrappee__methaneQuery()
[L400] RET processEnvironment()
[L406] CALL __utac_acc__Specification2_spec__2()
[L177] int tmp ;
[L178] int tmp___0 ;
[L182] CALL, EXPR isMethaneLevelCritical()
[L250] int retValue_acc ;
[L253] retValue_acc = methaneLevelCritical
[L254] return (retValue_acc);
[L182] RET, EXPR isMethaneLevelCritical()
[L182] tmp = isMethaneLevelCritical()
[L184] COND FALSE !(\read(tmp))
[L200] methAndRunningLastTime = 0
[L406] RET __utac_acc__Specification2_spec__2()
[L370] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 325]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L50] int cleanupTimeShifts = 4;
[L167] int methAndRunningLastTime ;
[L211] int waterLevel = 1;
[L212] int methaneLevelCritical = 0;
[L384] int pumpRunning = 0;
[L385] int systemActive = 1;
[L843] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L133] int retValue_acc ;
[L134] int tmp ;
[L138] FCALL select_helpers()
[L139] FCALL select_features()
[L140] CALL, EXPR valid_product()
[L665] int retValue_acc ;
[L668] retValue_acc = 1
[L669] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L140] RET, EXPR valid_product()
[L140] tmp = valid_product()
[L142] COND TRUE \read(tmp)
[L144] FCALL setup()
[L145] CALL runTest()
[L123] CALL __utac_acc__Specification2_spec__1()
[L172] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L123] RET __utac_acc__Specification2_spec__1()
[L124] CALL test()
[L316] int splverifierCounter ;
[L317] int tmp ;
[L318] int tmp___0 ;
[L319] int tmp___1 ;
[L320] int tmp___2 ;
[L323] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L325] COND TRUE 1
[L327] COND TRUE splverifierCounter < 4
[L333] tmp = __VERIFIER_nondet_int()
[L335] COND FALSE !(\read(tmp))
[L343] tmp___0 = __VERIFIER_nondet_int()
[L345] COND FALSE !(\read(tmp___0))
[L353] tmp___2 = __VERIFIER_nondet_int()
[L355] COND TRUE \read(tmp___2)
[L370] CALL timeShift()
[L391] COND FALSE !(\read(pumpRunning))
[L398] COND TRUE \read(systemActive)
[L400] CALL processEnvironment()
[L472] int tmp ;
[L475] COND FALSE !(\read(pumpRunning))
[L490] CALL processEnvironment__wrappee__methaneQuery()
[L446] int tmp ;
[L449] COND FALSE !(\read(pumpRunning))
[L464] CALL processEnvironment__wrappee__highWaterSensor()
[L420] int tmp ;
[L423] COND TRUE ! pumpRunning
[L425] CALL, EXPR isHighWaterLevel()
[L586] int retValue_acc ;
[L587] int tmp ;
[L588] int tmp___0 ;
[L592] CALL, EXPR isHighWaterSensorDry()
[L291] int retValue_acc ;
[L294] COND TRUE waterLevel < 2
[L295] retValue_acc = 1
[L296] return (retValue_acc);
[L592] RET, EXPR isHighWaterSensorDry()
[L592] tmp = isHighWaterSensorDry()
[L594] COND TRUE \read(tmp)
[L595] tmp___0 = 0
[L599] retValue_acc = tmp___0
[L600] return (retValue_acc);
[L425] RET, EXPR isHighWaterLevel()
[L425] tmp = isHighWaterLevel()
[L427] COND FALSE !(\read(tmp))
[L433] FCALL processEnvironment__wrappee__base()
[L464] RET processEnvironment__wrappee__highWaterSensor()
[L490] RET processEnvironment__wrappee__methaneQuery()
[L400] RET processEnvironment()
[L406] CALL __utac_acc__Specification2_spec__2()
[L177] int tmp ;
[L178] int tmp___0 ;
[L182] CALL, EXPR isMethaneLevelCritical()
[L250] int retValue_acc ;
[L253] retValue_acc = methaneLevelCritical
[L254] return (retValue_acc);
[L182] RET, EXPR isMethaneLevelCritical()
[L182] tmp = isMethaneLevelCritical()
[L184] COND FALSE !(\read(tmp))
[L200] methAndRunningLastTime = 0
[L406] RET __utac_acc__Specification2_spec__2()
[L370] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 07:56:12,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11fb53e-6502-4135-8009-349ac4ef9948/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)