./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/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_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/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_e853e098-7925-440b-8b41-21050ded7db6/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 af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:05:06,815 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:05:06,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 08:05:06,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:05:06,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:05:06,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:05:06,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:05:06,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:05:06,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:05:06,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:05:06,994 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:05:06,994 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 08:05:06,995 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2023-11-19 08:05:06,995 INFO L153 SettingsManager]: * Use old map elimination=false
[2023-11-19 08:05:06,996 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2023-11-19 08:05:06,996 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2023-11-19 08:05:06,997 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 08:05:06,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:05:06,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2023-11-19 08:05:06,999 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:05:06,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:05:07,004 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:05:07,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:05:07,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 08:05:07,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 08:05:07,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 08:05:07,006 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:05:07,006 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:05:07,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:05:07,007 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2023-11-19 08:05:07,007 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:05:07,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:05:07,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:05:07,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:05:07,009 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:05:07,010 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 08:05:07,022 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_e853e098-7925-440b-8b41-21050ded7db6/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76
[2023-11-19 08:05:07,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:05:07,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:05:07,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:05:07,390 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:05:07,391 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:05:07,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c
[2023-11-19 08:05:10,427 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:05:10,662 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:05:10,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c
[2023-11-19 08:05:10,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/data/4f85bf40a/52df243fc5074a90abb88acfc20a6f0f/FLAGbdce2cbfe
[2023-11-19 08:05:10,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/data/4f85bf40a/52df243fc5074a90abb88acfc20a6f0f
[2023-11-19 08:05:10,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:05:10,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:05:10,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:05:10,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:05:10,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:05:10,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:10" (1/1) ...
[2023-11-19 08:05:10,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209e8d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:10, skipping insertion in model container
[2023-11-19 08:05:10,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:10" (1/1) ...
[2023-11-19 08:05:10,768 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:05:11,061 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:05:11,077 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:05:11,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2023-11-19 08:05:11,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [155]
[2023-11-19 08:05:11,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197]
[2023-11-19 08:05:11,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563]
[2023-11-19 08:05:11,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631]
[2023-11-19 08:05:11,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868]
[2023-11-19 08:05:11,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [972]
[2023-11-19 08:05:11,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1007]
[2023-11-19 08:05:11,189 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:05:11,215 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:05:11,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11 WrapperNode
[2023-11-19 08:05:11,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:05:11,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:05:11,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:05:11,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:05:11,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,287 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 58, calls inlined = 142, statements flattened = 970
[2023-11-19 08:05:11,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:05:11,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:05:11,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:05:11,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:05:11,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:05:11,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:05:11,346 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:05:11,346 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:05:11,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (1/1) ...
[2023-11-19 08:05:11,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 08:05:11,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:05:11,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 08:05:11,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:05:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:05:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:05:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:05:11,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:05:11,584 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:05:11,586 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:05:12,432 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:05:12,447 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:05:12,447 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 08:05:12,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:12 BoogieIcfgContainer
[2023-11-19 08:05:12,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:05:12,455 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 08:05:12,455 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 08:05:12,459 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2023-11-19 08:05:12,466 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 08:05:12,466 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:05:10" (1/3) ...
[2023-11-19 08:05:12,467 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c5b564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:05:12, skipping insertion in model container
[2023-11-19 08:05:12,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 08:05:12,479 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:11" (2/3) ...
[2023-11-19 08:05:12,479 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c5b564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:05:12, skipping insertion in model container
[2023-11-19 08:05:12,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 08:05:12,480 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:12" (3/3) ...
[2023-11-19 08:05:12,481 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product54.cil.c
[2023-11-19 08:05:12,567 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 08:05:12,568 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2023-11-19 08:05:12,568 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 08:05:12,568 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 08:05:12,569 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 08:05:12,569 INFO L308 stractBuchiCegarLoop]: Difference is false
[2023-11-19 08:05:12,570 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 08:05:12,570 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 08:05:12,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 278 states, 277 states have (on average 1.371841155234657) internal successors, (380), 277 states have internal predecessors, (380), 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 08:05:12,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 181
[2023-11-19 08:05:12,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 08:05:12,644 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 08:05:12,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:12,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:12,654 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 08:05:12,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 278 states, 277 states have (on average 1.371841155234657) internal successors, (380), 277 states have internal predecessors, (380), 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 08:05:12,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 181
[2023-11-19 08:05:12,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 08:05:12,679 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 08:05:12,681 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:12,682 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:12,689 INFO L748 eck$LassoCheckResult]: Stem: 158#$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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 171#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; 34#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 247#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 93#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 106#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 72#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; 109#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 18#L575-2true
[2023-11-19 08:05:12,692 INFO L750 eck$LassoCheckResult]: Loop: 18#L575-2true assume !false; 227#L576true assume test_~splverifierCounter~0#1 < 4; 201#L577true havoc test_#t~nondet30#1;test_~tmp~5#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 214#L585true assume !(0 != test_~tmp~5#1); 172#L585-2true havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 279#L595true assume !(0 != test_~tmp___0~1#1); 187#L595-2true havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 188#L605true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 59#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 222#L613-2true assume { :begin_inline_timeShift } true; 133#L645true assume !(0 != ~pumpRunning~0); 185#L645-2true assume !(0 != ~systemActive~0); 152#L652-1true 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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 208#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#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; 174#L176true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 31#L176-1true 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; 194#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 18#L575-2true
[2023-11-19 08:05:12,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:12,699 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2023-11-19 08:05:12,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:12,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905332554]
[2023-11-19 08:05:12,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:12,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:12,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:05:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:12,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:05:12,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:12,879 INFO L85 PathProgramCache]: Analyzing trace with hash -831738101, now seen corresponding path program 1 times
[2023-11-19 08:05:12,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:12,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286464445]
[2023-11-19 08:05:12,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:12,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:12,987 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 08:05:12,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:05:12,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286464445]
[2023-11-19 08:05:12,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286464445] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:05:12,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:05:12,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:05:12,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485962092]
[2023-11-19 08:05:12,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:05:12,998 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 08:05:12,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:05:13,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:05:13,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:05:13,051 INFO L87 Difference]: Start difference. First operand has 278 states, 277 states have (on average 1.371841155234657) internal successors, (380), 277 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:05:13,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:05:13,148 INFO L93 Difference]: Finished difference Result 272 states and 364 transitions.
[2023-11-19 08:05:13,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 272 states and 364 transitions.
[2023-11-19 08:05:13,155 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 175
[2023-11-19 08:05:13,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 272 states to 262 states and 353 transitions.
[2023-11-19 08:05:13,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 262
[2023-11-19 08:05:13,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 262
[2023-11-19 08:05:13,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 262 states and 353 transitions.
[2023-11-19 08:05:13,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:05:13,168 INFO L218 hiAutomatonCegarLoop]: Abstraction has 262 states and 353 transitions.
[2023-11-19 08:05:13,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states and 353 transitions.
[2023-11-19 08:05:13,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262.
[2023-11-19 08:05:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 262 states have (on average 1.3473282442748091) internal successors, (353), 261 states have internal predecessors, (353), 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 08:05:13,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 353 transitions.
[2023-11-19 08:05:13,224 INFO L240 hiAutomatonCegarLoop]: Abstraction has 262 states and 353 transitions.
[2023-11-19 08:05:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:05:13,236 INFO L428 stractBuchiCegarLoop]: Abstraction has 262 states and 353 transitions.
[2023-11-19 08:05:13,236 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 08:05:13,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 262 states and 353 transitions.
[2023-11-19 08:05:13,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 175
[2023-11-19 08:05:13,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 08:05:13,240 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 08:05:13,241 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:13,241 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]
[2023-11-19 08:05:13,242 INFO L748 eck$LassoCheckResult]: Stem: 772#$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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 773#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; 621#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 622#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 712#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 713#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 683#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; 684#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 592#L575-2
[2023-11-19 08:05:13,242 INFO L750 eck$LassoCheckResult]: Loop: 592#L575-2 assume !false; 593#L576 assume test_~splverifierCounter~0#1 < 4; 796#L577 havoc test_#t~nondet30#1;test_~tmp~5#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 797#L585 assume !(0 != test_~tmp~5#1); 784#L585-2 havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 785#L595 assume !(0 != test_~tmp___0~1#1); 790#L595-2 havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 791#L605 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 641#L613 assume 0 != test_~tmp___1~0#1; 642#L613-2 assume { :begin_inline_timeShift } true; 753#L645 assume !(0 != ~pumpRunning~0); 754#L645-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1; 781#L729 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret37#1, isMethaneAlarm_~retValue_acc~4#1;havoc isMethaneAlarm_~retValue_acc~4#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 782#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret37#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~4#1 := isMethaneAlarm_#t~ret37#1;havoc isMethaneAlarm_#t~ret37#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; 819#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret36#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret37#1, isMethaneAlarm_~retValue_acc~4#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~8#1 := processEnvironment_#t~ret36#1;havoc processEnvironment_#t~ret36#1; 722#L733 assume 0 != processEnvironment_~tmp~8#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 723#deactivatePump_returnLabel#1 assume { :end_inline_deactivatePump } true; 654#L729-1 havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~8#1;assume { :end_inline_processEnvironment } true; 655#L652-1 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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 769#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#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; 786#L176 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 560#L176-1 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; 617#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 592#L575-2
[2023-11-19 08:05:13,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:13,243 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2023-11-19 08:05:13,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:13,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099890715]
[2023-11-19 08:05:13,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:13,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:13,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:05:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:13,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:05:13,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:13,291 INFO L85 PathProgramCache]: Analyzing trace with hash 229488533, now seen corresponding path program 1 times
[2023-11-19 08:05:13,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:13,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093726248]
[2023-11-19 08:05:13,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:13,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:13,356 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 08:05:13,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:05:13,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093726248]
[2023-11-19 08:05:13,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093726248] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:05:13,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:05:13,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:05:13,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996596704]
[2023-11-19 08:05:13,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:05:13,359 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 08:05:13,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:05:13,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:05:13,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:05:13,360 INFO L87 Difference]: Start difference. First operand 262 states and 353 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 08:05:13,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:05:13,515 INFO L93 Difference]: Finished difference Result 276 states and 353 transitions.
[2023-11-19 08:05:13,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 276 states and 353 transitions.
[2023-11-19 08:05:13,519 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 190
[2023-11-19 08:05:13,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 276 states to 276 states and 353 transitions.
[2023-11-19 08:05:13,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 276
[2023-11-19 08:05:13,526 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 276
[2023-11-19 08:05:13,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 276 states and 353 transitions.
[2023-11-19 08:05:13,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:05:13,534 INFO L218 hiAutomatonCegarLoop]: Abstraction has 276 states and 353 transitions.
[2023-11-19 08:05:13,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states and 353 transitions.
[2023-11-19 08:05:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276.
[2023-11-19 08:05:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 276 states have (on average 1.2789855072463767) internal successors, (353), 275 states have internal predecessors, (353), 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 08:05:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 353 transitions.
[2023-11-19 08:05:13,559 INFO L240 hiAutomatonCegarLoop]: Abstraction has 276 states and 353 transitions.
[2023-11-19 08:05:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:05:13,561 INFO L428 stractBuchiCegarLoop]: Abstraction has 276 states and 353 transitions.
[2023-11-19 08:05:13,562 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2023-11-19 08:05:13,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 276 states and 353 transitions.
[2023-11-19 08:05:13,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 190
[2023-11-19 08:05:13,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 08:05:13,568 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 08:05:13,571 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:13,571 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, 1]
[2023-11-19 08:05:13,572 INFO L748 eck$LassoCheckResult]: Stem: 1277#$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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1278#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; 1146#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1147#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1224#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1225#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1198#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; 1199#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1132#L575-2
[2023-11-19 08:05:13,573 INFO L750 eck$LassoCheckResult]: Loop: 1132#L575-2 assume !false; 1133#L576 assume test_~splverifierCounter~0#1 < 4; 1301#L577 havoc test_#t~nondet30#1;test_~tmp~5#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1302#L585 assume !(0 != test_~tmp~5#1); 1289#L585-2 havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 1290#L595 assume !(0 != test_~tmp___0~1#1); 1295#L595-2 havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 1296#L605 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 1165#L613 assume 0 != test_~tmp___1~0#1; 1166#L613-2 assume { :begin_inline_timeShift } true; 1256#L645 assume !(0 != ~pumpRunning~0); 1257#L645-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1; 1286#L729 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret35#1, processEnvironment__wrappee__lowWaterSensor_~tmp~7#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~7#1; 1231#L703-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1222#L677-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 1153#L953-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 1154#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1; 1279#L831-9 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1112#L831-11 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 1113#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret34#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret34#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1; 1120#L681-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1122#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 1200#L677-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1201#L703-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret35#1, processEnvironment__wrappee__lowWaterSensor_~tmp~7#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1175#L729-1 havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~8#1;assume { :end_inline_processEnvironment } true; 1176#L652-1 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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1274#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#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; 1291#L176 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 1104#L176-1 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; 1145#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1132#L575-2
[2023-11-19 08:05:13,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:13,582 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2023-11-19 08:05:13,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:13,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200463721]
[2023-11-19 08:05:13,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:13,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:13,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:05:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:13,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:05:13,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:13,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2124800330, now seen corresponding path program 1 times
[2023-11-19 08:05:13,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:13,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465253277]
[2023-11-19 08:05:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:13,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:13,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:05:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:13,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:05:13,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:13,697 INFO L85 PathProgramCache]: Analyzing trace with hash 204309471, now seen corresponding path program 1 times
[2023-11-19 08:05:13,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:13,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380719538]
[2023-11-19 08:05:13,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:13,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:13,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:05:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:13,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:05:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:15,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:05:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:15,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:05:15 BoogieIcfgContainer
[2023-11-19 08:05:15,150 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 08:05:15,151 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:05:15,151 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:05:15,152 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:05:15,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:12" (3/4) ...
[2023-11-19 08:05:15,153 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2023-11-19 08:05:15,238 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:05:15,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:05:15,239 INFO L158 Benchmark]: Toolchain (without parser) took 4534.34ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 108.2MB in the beginning and 179.5MB in the end (delta: -71.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:05:15,240 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 123.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:05:15,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.12ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 87.9MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 08:05:15,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.98ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 83.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:05:15,242 INFO L158 Benchmark]: Boogie Preprocessor took 56.19ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 80.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:05:15,242 INFO L158 Benchmark]: RCFGBuilder took 1108.40ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 80.5MB in the beginning and 171.7MB in the end (delta: -91.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB.
[2023-11-19 08:05:15,243 INFO L158 Benchmark]: BuchiAutomizer took 2695.77ms. Allocated memory is still 218.1MB. Free memory was 171.7MB in the beginning and 182.6MB in the end (delta: -10.9MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB.
[2023-11-19 08:05:15,243 INFO L158 Benchmark]: Witness Printer took 87.42ms. Allocated memory is still 218.1MB. Free memory was 182.6MB in the beginning and 179.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:05:15,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.58ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 123.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 510.12ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 87.9MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 70.98ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 83.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 56.19ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 80.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1108.40ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 80.5MB in the beginning and 171.7MB in the end (delta: -91.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2695.77ms. Allocated memory is still 218.1MB. Free memory was 171.7MB in the beginning and 182.6MB in the end (delta: -10.9MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB.
* Witness Printer took 87.42ms. Allocated memory is still 218.1MB. Free memory was 182.6MB in the beginning and 179.5MB 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,"Specification2_spec.i","") [155]
- GenericResultAtLocation [Line: 197]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197]
- GenericResultAtLocation [Line: 563]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563]
- GenericResultAtLocation [Line: 631]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631]
- GenericResultAtLocation [Line: 868]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868]
- GenericResultAtLocation [Line: 972]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [972]
- GenericResultAtLocation [Line: 1007]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1007]
* 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 3 locations. The remainder module has 276 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 543 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 543 mSDsluCounter, 773 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 650 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 575]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L50] int cleanupTimeShifts = 4;
[L159] int methAndRunningLastTime ;
[L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L638] int pumpRunning = 0;
[L639] int systemActive = 1;
[L870] int waterLevel = 1;
[L871] int methaneLevelCritical = 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()
[L999] int retValue_acc ;
[L1002] retValue_acc = 1
[L1003] 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()
[L164] 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()
[L566] int splverifierCounter ;
[L567] int tmp ;
[L568] int tmp___0 ;
[L569] int tmp___1 ;
[L570] int tmp___2 ;
[L573] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L575] COND TRUE 1
[L577] COND TRUE splverifierCounter < 4
[L583] tmp = __VERIFIER_nondet_int()
[L585] COND FALSE !(\read(tmp))
[L593] tmp___0 = __VERIFIER_nondet_int()
[L595] COND FALSE !(\read(tmp___0))
[L603] tmp___2 = __VERIFIER_nondet_int()
[L605] COND FALSE !(\read(tmp___2))
[L611] tmp___1 = __VERIFIER_nondet_int()
[L613] COND TRUE \read(tmp___1)
[L620] CALL timeShift()
[L645] COND FALSE !(\read(pumpRunning))
[L652] COND TRUE \read(systemActive)
[L654] CALL processEnvironment()
[L726] int tmp ;
[L729] COND FALSE !(\read(pumpRunning))
[L744] CALL processEnvironment__wrappee__lowWaterSensor()
[L700] int tmp ;
[L703] COND FALSE !(\read(pumpRunning))
[L718] CALL processEnvironment__wrappee__highWaterSensor()
[L674] int tmp ;
[L677] COND TRUE ! pumpRunning
[L679] CALL, EXPR isHighWaterLevel()
[L823] int retValue_acc ;
[L824] int tmp ;
[L825] int tmp___0 ;
[L829] CALL, EXPR isHighWaterSensorDry()
[L950] int retValue_acc ;
[L953] COND TRUE waterLevel < 2
[L954] retValue_acc = 1
[L955] return (retValue_acc);
[L829] RET, EXPR isHighWaterSensorDry()
[L829] tmp = isHighWaterSensorDry()
[L831] COND TRUE \read(tmp)
[L832] tmp___0 = 0
[L836] retValue_acc = tmp___0
[L837] return (retValue_acc);
[L679] RET, EXPR isHighWaterLevel()
[L679] tmp = isHighWaterLevel()
[L681] COND FALSE !(\read(tmp))
[L687] FCALL processEnvironment__wrappee__base()
[L718] RET processEnvironment__wrappee__highWaterSensor()
[L744] RET processEnvironment__wrappee__lowWaterSensor()
[L654] RET processEnvironment()
[L660] CALL __utac_acc__Specification2_spec__2()
[L169] int tmp ;
[L170] int tmp___0 ;
[L174] CALL, EXPR isMethaneLevelCritical()
[L909] int retValue_acc ;
[L912] retValue_acc = methaneLevelCritical
[L913] return (retValue_acc);
[L174] RET, EXPR isMethaneLevelCritical()
[L174] tmp = isMethaneLevelCritical()
[L176] COND FALSE !(\read(tmp))
[L192] methAndRunningLastTime = 0
[L660] RET __utac_acc__Specification2_spec__2()
[L620] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 575]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L50] int cleanupTimeShifts = 4;
[L159] int methAndRunningLastTime ;
[L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L638] int pumpRunning = 0;
[L639] int systemActive = 1;
[L870] int waterLevel = 1;
[L871] int methaneLevelCritical = 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()
[L999] int retValue_acc ;
[L1002] retValue_acc = 1
[L1003] 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()
[L164] 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()
[L566] int splverifierCounter ;
[L567] int tmp ;
[L568] int tmp___0 ;
[L569] int tmp___1 ;
[L570] int tmp___2 ;
[L573] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L575] COND TRUE 1
[L577] COND TRUE splverifierCounter < 4
[L583] tmp = __VERIFIER_nondet_int()
[L585] COND FALSE !(\read(tmp))
[L593] tmp___0 = __VERIFIER_nondet_int()
[L595] COND FALSE !(\read(tmp___0))
[L603] tmp___2 = __VERIFIER_nondet_int()
[L605] COND FALSE !(\read(tmp___2))
[L611] tmp___1 = __VERIFIER_nondet_int()
[L613] COND TRUE \read(tmp___1)
[L620] CALL timeShift()
[L645] COND FALSE !(\read(pumpRunning))
[L652] COND TRUE \read(systemActive)
[L654] CALL processEnvironment()
[L726] int tmp ;
[L729] COND FALSE !(\read(pumpRunning))
[L744] CALL processEnvironment__wrappee__lowWaterSensor()
[L700] int tmp ;
[L703] COND FALSE !(\read(pumpRunning))
[L718] CALL processEnvironment__wrappee__highWaterSensor()
[L674] int tmp ;
[L677] COND TRUE ! pumpRunning
[L679] CALL, EXPR isHighWaterLevel()
[L823] int retValue_acc ;
[L824] int tmp ;
[L825] int tmp___0 ;
[L829] CALL, EXPR isHighWaterSensorDry()
[L950] int retValue_acc ;
[L953] COND TRUE waterLevel < 2
[L954] retValue_acc = 1
[L955] return (retValue_acc);
[L829] RET, EXPR isHighWaterSensorDry()
[L829] tmp = isHighWaterSensorDry()
[L831] COND TRUE \read(tmp)
[L832] tmp___0 = 0
[L836] retValue_acc = tmp___0
[L837] return (retValue_acc);
[L679] RET, EXPR isHighWaterLevel()
[L679] tmp = isHighWaterLevel()
[L681] COND FALSE !(\read(tmp))
[L687] FCALL processEnvironment__wrappee__base()
[L718] RET processEnvironment__wrappee__highWaterSensor()
[L744] RET processEnvironment__wrappee__lowWaterSensor()
[L654] RET processEnvironment()
[L660] CALL __utac_acc__Specification2_spec__2()
[L169] int tmp ;
[L170] int tmp___0 ;
[L174] CALL, EXPR isMethaneLevelCritical()
[L909] int retValue_acc ;
[L912] retValue_acc = methaneLevelCritical
[L913] return (retValue_acc);
[L174] RET, EXPR isMethaneLevelCritical()
[L174] tmp = isMethaneLevelCritical()
[L176] COND FALSE !(\read(tmp))
[L192] methAndRunningLastTime = 0
[L660] RET __utac_acc__Specification2_spec__2()
[L620] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 08:05:15,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e853e098-7925-440b-8b41-21050ded7db6/bin/uautomizer-verify-uCwYo4JHxu/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)