./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.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_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/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_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/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_438a9547-3712-4046-b24e-e0d2cc162db3/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 d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:34:13,325 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:34:13,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 07:34:13,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:34:13,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:34:13,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:34:13,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:34:13,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:34:13,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:34:13,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:34:13,513 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:34:13,513 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 07:34:13,514 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2023-11-19 07:34:13,516 INFO L153 SettingsManager]: * Use old map elimination=false
[2023-11-19 07:34:13,516 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2023-11-19 07:34:13,517 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2023-11-19 07:34:13,517 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 07:34:13,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:34:13,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2023-11-19 07:34:13,519 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:34:13,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:34:13,520 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:34:13,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:34:13,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 07:34:13,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 07:34:13,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 07:34:13,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:34:13,522 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:34:13,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:34:13,523 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2023-11-19 07:34:13,524 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:34:13,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:34:13,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:34:13,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:34:13,526 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:34:13,526 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 07:34:13,526 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_438a9547-3712-4046-b24e-e0d2cc162db3/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2
[2023-11-19 07:34:13,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:34:13,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:34:13,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:34:13,959 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:34:13,960 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:34:13,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c
[2023-11-19 07:34:17,381 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:34:17,773 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:34:17,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c
[2023-11-19 07:34:17,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/data/98098a71c/5094f18e803b4435ab125f25f23bd388/FLAGa2f74742f
[2023-11-19 07:34:17,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/data/98098a71c/5094f18e803b4435ab125f25f23bd388
[2023-11-19 07:34:17,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:34:17,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:34:17,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:34:17,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:34:17,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:34:17,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:17" (1/1) ...
[2023-11-19 07:34:17,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74829474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17, skipping insertion in model container
[2023-11-19 07:34:17,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:17" (1/1) ...
[2023-11-19 07:34:17,944 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:34:18,400 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:34:18,430 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:34:18,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2023-11-19 07:34:18,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415]
[2023-11-19 07:34:18,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444]
[2023-11-19 07:34:18,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548]
[2023-11-19 07:34:18,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [557]
[2023-11-19 07:34:18,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592]
[2023-11-19 07:34:18,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700]
[2023-11-19 07:34:18,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [908]
[2023-11-19 07:34:18,558 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:34:18,594 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:34:18,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18 WrapperNode
[2023-11-19 07:34:18,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:34:18,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:34:18,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:34:18,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:34:18,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,703 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 81, statements flattened = 552
[2023-11-19 07:34:18,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:34:18,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:34:18,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:34:18,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:34:18,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:34:18,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:34:18,760 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:34:18,761 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:34:18,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (1/1) ...
[2023-11-19 07:34:18,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:34:18,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:34:18,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:18,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:34:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:34:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:34:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:34:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:34:18,976 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:34:18,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:34:19,777 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:34:19,792 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:34:19,798 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:34:19,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:19 BoogieIcfgContainer
[2023-11-19 07:34:19,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:34:19,810 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 07:34:19,811 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 07:34:19,815 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2023-11-19 07:34:19,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:34:19,817 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:34:17" (1/3) ...
[2023-11-19 07:34:19,818 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27f1fb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:34:19, skipping insertion in model container
[2023-11-19 07:34:19,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:34:19,819 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:18" (2/3) ...
[2023-11-19 07:34:19,819 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27f1fb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:34:19, skipping insertion in model container
[2023-11-19 07:34:19,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:34:19,820 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:19" (3/3) ...
[2023-11-19 07:34:19,821 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product50.cil.c
[2023-11-19 07:34:19,920 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 07:34:19,920 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2023-11-19 07:34:19,921 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 07:34:19,922 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 07:34:19,923 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 07:34:19,923 INFO L308 stractBuchiCegarLoop]: Difference is false
[2023-11-19 07:34:19,923 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 07:34:19,924 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 07:34:19,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 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 07:34:19,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107
[2023-11-19 07:34:19,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:34:19,987 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:34:19,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:19,997 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 07:34:19,998 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 07:34:20,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 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 07:34:20,020 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107
[2023-11-19 07:34:20,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:34:20,023 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:34:20,026 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:20,026 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 07:34:20,034 INFO L748 eck$LassoCheckResult]: Stem: 35#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 29#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 134#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 114#valid_product_returnLabel#1true main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 111#L535true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 94#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 142#L919-2true
[2023-11-19 07:34:20,035 INFO L750 eck$LassoCheckResult]: Loop: 142#L919-2true assume !false; 150#L920true assume test_~splverifierCounter~0#1 < 4; 140#L921true havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 99#L929true assume !(0 != test_~tmp~9#1); 83#L929-2true havoc test_#t~nondet50#1;test_~tmp___0~3#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 167#L939true assume !(0 != test_~tmp___0~3#1); 129#L939-2true havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 46#L949true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 66#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 26#L957-2true assume { :begin_inline_timeShift } true; 48#L711true assume !(0 != ~pumpRunning~0); 87#L711-2true assume !(0 != ~systemActive~0); 165#L718-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 78#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 112#L427true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 86#L427-1true havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 79#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 142#L919-2true
[2023-11-19 07:34:20,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:20,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2023-11-19 07:34:20,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:34:20,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795197309]
[2023-11-19 07:34:20,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:20,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:34:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:20,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:34:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:20,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:34:20,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:20,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1136061149, now seen corresponding path program 1 times
[2023-11-19 07:34:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:34:20,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067173962]
[2023-11-19 07:34:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:34:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:20,480 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 07:34:20,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:34:20,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067173962]
[2023-11-19 07:34:20,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067173962] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:20,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:20,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:34:20,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699842599]
[2023-11-19 07:34:20,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:20,489 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:34:20,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:34:20,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:34:20,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:34:20,534 INFO L87 Difference]: Start difference. First operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 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 07:34:20,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:20,616 INFO L93 Difference]: Finished difference Result 160 states and 210 transitions.
[2023-11-19 07:34:20,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 210 transitions.
[2023-11-19 07:34:20,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101
[2023-11-19 07:34:20,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 150 states and 199 transitions.
[2023-11-19 07:34:20,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150
[2023-11-19 07:34:20,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150
[2023-11-19 07:34:20,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 199 transitions.
[2023-11-19 07:34:20,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:34:20,647 INFO L218 hiAutomatonCegarLoop]: Abstraction has 150 states and 199 transitions.
[2023-11-19 07:34:20,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 199 transitions.
[2023-11-19 07:34:20,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150.
[2023-11-19 07:34:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 149 states have internal predecessors, (199), 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 07:34:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 199 transitions.
[2023-11-19 07:34:20,715 INFO L240 hiAutomatonCegarLoop]: Abstraction has 150 states and 199 transitions.
[2023-11-19 07:34:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:34:20,733 INFO L428 stractBuchiCegarLoop]: Abstraction has 150 states and 199 transitions.
[2023-11-19 07:34:20,734 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 07:34:20,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 199 transitions.
[2023-11-19 07:34:20,736 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101
[2023-11-19 07:34:20,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:34:20,742 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:34:20,743 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:20,744 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 07:34:20,745 INFO L748 eck$LassoCheckResult]: Stem: 393#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 394#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 384#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 385#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 471#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 466#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 454#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 448#L919-2
[2023-11-19 07:34:20,746 INFO L750 eck$LassoCheckResult]: Loop: 448#L919-2 assume !false; 481#L920 assume test_~splverifierCounter~0#1 < 4; 480#L921 havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 457#L929 assume !(0 != test_~tmp~9#1); 449#L929-2 havoc test_#t~nondet50#1;test_~tmp___0~3#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 450#L939 assume !(0 != test_~tmp___0~3#1); 352#L939-2 havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 412#L949 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet52#1;test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 413#L957 assume 0 != test_~tmp___1~0#1; 378#L957-2 assume { :begin_inline_timeShift } true; 379#L711 assume !(0 != ~pumpRunning~0); 415#L711-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 418#L769 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 419#L743-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 335#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 336#L743-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 339#L769-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 435#L718-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 445#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 446#L427 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 451#L427-1 havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 447#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 448#L919-2
[2023-11-19 07:34:20,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:20,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2023-11-19 07:34:20,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:34:20,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201917882]
[2023-11-19 07:34:20,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:20,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:34:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:20,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:34:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:20,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:34:20,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:20,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1694291401, now seen corresponding path program 1 times
[2023-11-19 07:34:20,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:34:20,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580515107]
[2023-11-19 07:34:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:34:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:20,885 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 07:34:20,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:34:20,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580515107]
[2023-11-19 07:34:20,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580515107] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:20,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:20,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:34:20,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010429169]
[2023-11-19 07:34:20,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:20,888 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:34:20,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:34:20,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:34:20,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:34:20,890 INFO L87 Difference]: Start difference. First operand 150 states and 199 transitions. cyclomatic complexity: 51 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 07:34:21,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:21,056 INFO L93 Difference]: Finished difference Result 206 states and 262 transitions.
[2023-11-19 07:34:21,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 262 transitions.
[2023-11-19 07:34:21,062 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144
[2023-11-19 07:34:21,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 206 states and 262 transitions.
[2023-11-19 07:34:21,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 206
[2023-11-19 07:34:21,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 206
[2023-11-19 07:34:21,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 206 states and 262 transitions.
[2023-11-19 07:34:21,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:34:21,075 INFO L218 hiAutomatonCegarLoop]: Abstraction has 206 states and 262 transitions.
[2023-11-19 07:34:21,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states and 262 transitions.
[2023-11-19 07:34:21,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206.
[2023-11-19 07:34:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 206 states have (on average 1.2718446601941749) internal successors, (262), 205 states have internal predecessors, (262), 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 07:34:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 262 transitions.
[2023-11-19 07:34:21,091 INFO L240 hiAutomatonCegarLoop]: Abstraction has 206 states and 262 transitions.
[2023-11-19 07:34:21,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:34:21,093 INFO L428 stractBuchiCegarLoop]: Abstraction has 206 states and 262 transitions.
[2023-11-19 07:34:21,093 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2023-11-19 07:34:21,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 206 states and 262 transitions.
[2023-11-19 07:34:21,096 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144
[2023-11-19 07:34:21,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:34:21,096 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:34:21,097 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:21,097 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]
[2023-11-19 07:34:21,098 INFO L748 eck$LassoCheckResult]: Stem: 753#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 754#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 745#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 746#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 842#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 837#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 823#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 824#L919-2
[2023-11-19 07:34:21,098 INFO L750 eck$LassoCheckResult]: Loop: 824#L919-2 assume !false; 873#L920 assume test_~splverifierCounter~0#1 < 4; 855#L921 havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 828#L929 assume !(0 != test_~tmp~9#1); 816#L929-2 havoc test_#t~nondet50#1;test_~tmp___0~3#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 817#L939 assume !(0 != test_~tmp___0~3#1); 875#L939-2 havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 874#L949 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 795#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 737#L957-2 assume { :begin_inline_timeShift } true; 738#L711 assume !(0 != ~pumpRunning~0); 775#L711-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 778#L769 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 779#L743-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 822#L681-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 768#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 769#L871-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 831#L871-5 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 854#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 830#L747-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 760#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 761#L743-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 850#L769-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 885#L718-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 884#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 882#L427 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 879#L427-1 havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 876#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 824#L919-2
[2023-11-19 07:34:21,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:21,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2023-11-19 07:34:21,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:34:21,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780342130]
[2023-11-19 07:34:21,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:21,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:34:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:21,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:34:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:21,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:34:21,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:21,141 INFO L85 PathProgramCache]: Analyzing trace with hash 691181090, now seen corresponding path program 1 times
[2023-11-19 07:34:21,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:34:21,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810595107]
[2023-11-19 07:34:21,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:21,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:34:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:21,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:34:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:21,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:34:21,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:21,182 INFO L85 PathProgramCache]: Analyzing trace with hash -559800858, now seen corresponding path program 1 times
[2023-11-19 07:34:21,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:34:21,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114634159]
[2023-11-19 07:34:21,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:21,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:34:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:21,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:34:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:21,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:34:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:22,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:34:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:34:22,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:34:22 BoogieIcfgContainer
[2023-11-19 07:34:22,880 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 07:34:22,889 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:34:22,890 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:34:22,890 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:34:22,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:19" (3/4) ...
[2023-11-19 07:34:22,892 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2023-11-19 07:34:23,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:34:23,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:34:23,010 INFO L158 Benchmark]: Toolchain (without parser) took 5192.51ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 103.6MB in the beginning and 155.2MB in the end (delta: -51.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB.
[2023-11-19 07:34:23,010 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 109.1MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:34:23,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.12ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 84.1MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 07:34:23,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.37ms. Allocated memory is still 151.0MB. Free memory was 84.1MB in the beginning and 81.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:34:23,012 INFO L158 Benchmark]: Boogie Preprocessor took 53.31ms. Allocated memory is still 151.0MB. Free memory was 81.1MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:34:23,012 INFO L158 Benchmark]: RCFGBuilder took 1049.00ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 113.9MB in the end (delta: -35.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB.
[2023-11-19 07:34:23,013 INFO L158 Benchmark]: BuchiAutomizer took 3078.37ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 113.9MB in the beginning and 158.4MB in the end (delta: -44.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB.
[2023-11-19 07:34:23,014 INFO L158 Benchmark]: Witness Printer took 119.34ms. Allocated memory is still 203.4MB. Free memory was 158.4MB in the beginning and 155.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:34:23,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.84ms. Allocated memory is still 109.1MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 774.12ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 84.1MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 107.37ms. Allocated memory is still 151.0MB. Free memory was 84.1MB in the beginning and 81.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 53.31ms. Allocated memory is still 151.0MB. Free memory was 81.1MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1049.00ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 113.9MB in the end (delta: -35.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 3078.37ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 113.9MB in the beginning and 158.4MB in the end (delta: -44.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB.
* Witness Printer took 119.34ms. Allocated memory is still 203.4MB. Free memory was 158.4MB in the beginning and 155.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. 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,"libacc.i","") [49]
- GenericResultAtLocation [Line: 415]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415]
- GenericResultAtLocation [Line: 444]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444]
- GenericResultAtLocation [Line: 548]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548]
- GenericResultAtLocation [Line: 557]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [557]
- GenericResultAtLocation [Line: 592]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592]
- GenericResultAtLocation [Line: 700]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700]
- GenericResultAtLocation [Line: 908]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [908]
* 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 206 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. 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, 336 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 336 mSDsluCounter, 503 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 407 mSDtfsCounter, 33 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: 919]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L445] int cleanupTimeShifts = 4;
[L598] int waterLevel = 1;
[L599] int methaneLevelCritical = 0;
[L704] int pumpRunning = 0;
[L705] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L526] int retValue_acc ;
[L527] int tmp ;
[L531] FCALL select_helpers()
[L532] FCALL select_features()
[L533] CALL, EXPR valid_product()
[L584] int retValue_acc ;
[L587] retValue_acc = 1
[L588] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L533] RET, EXPR valid_product()
[L533] tmp = valid_product()
[L535] COND TRUE \read(tmp)
[L537] FCALL setup()
[L538] CALL runTest()
[L517] CALL test()
[L910] int splverifierCounter ;
[L911] int tmp ;
[L912] int tmp___0 ;
[L913] int tmp___1 ;
[L914] int tmp___2 ;
[L917] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L919] COND TRUE 1
[L921] COND TRUE splverifierCounter < 4
[L927] tmp = __VERIFIER_nondet_int()
[L929] COND FALSE !(\read(tmp))
[L937] tmp___0 = __VERIFIER_nondet_int()
[L939] COND FALSE !(\read(tmp___0))
[L947] tmp___2 = __VERIFIER_nondet_int()
[L949] COND TRUE \read(tmp___2)
[L951] CALL startSystem()
[L904] systemActive = 1
[L951] RET startSystem()
[L964] CALL timeShift()
[L711] COND FALSE !(\read(pumpRunning))
[L718] COND TRUE \read(systemActive)
[L720] CALL processEnvironment()
[L766] int tmp ;
[L769] COND FALSE !(\read(pumpRunning))
[L784] CALL processEnvironment__wrappee__highWaterSensor()
[L740] int tmp ;
[L743] COND TRUE ! pumpRunning
[L745] CALL, EXPR isHighWaterLevel()
[L863] int retValue_acc ;
[L864] int tmp ;
[L865] int tmp___0 ;
[L869] CALL, EXPR isHighWaterSensorDry()
[L678] int retValue_acc ;
[L681] COND TRUE waterLevel < 2
[L682] retValue_acc = 1
[L683] return (retValue_acc);
[L869] RET, EXPR isHighWaterSensorDry()
[L869] tmp = isHighWaterSensorDry()
[L871] COND TRUE \read(tmp)
[L872] tmp___0 = 0
[L876] retValue_acc = tmp___0
[L877] return (retValue_acc);
[L745] RET, EXPR isHighWaterLevel()
[L745] tmp = isHighWaterLevel()
[L747] COND FALSE !(\read(tmp))
[L753] FCALL processEnvironment__wrappee__base()
[L784] RET processEnvironment__wrappee__highWaterSensor()
[L720] RET processEnvironment()
[L726] CALL __utac_acc__Specification4_spec__1()
[L420] int tmp ;
[L421] int tmp___0 ;
[L425] CALL, EXPR getWaterLevel()
[L669] int retValue_acc ;
[L672] retValue_acc = waterLevel
[L673] return (retValue_acc);
[L425] RET, EXPR getWaterLevel()
[L425] tmp = getWaterLevel()
[L427] COND FALSE !(tmp == 0)
[L726] RET __utac_acc__Specification4_spec__1()
[L964] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 919]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L445] int cleanupTimeShifts = 4;
[L598] int waterLevel = 1;
[L599] int methaneLevelCritical = 0;
[L704] int pumpRunning = 0;
[L705] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L526] int retValue_acc ;
[L527] int tmp ;
[L531] FCALL select_helpers()
[L532] FCALL select_features()
[L533] CALL, EXPR valid_product()
[L584] int retValue_acc ;
[L587] retValue_acc = 1
[L588] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L533] RET, EXPR valid_product()
[L533] tmp = valid_product()
[L535] COND TRUE \read(tmp)
[L537] FCALL setup()
[L538] CALL runTest()
[L517] CALL test()
[L910] int splverifierCounter ;
[L911] int tmp ;
[L912] int tmp___0 ;
[L913] int tmp___1 ;
[L914] int tmp___2 ;
[L917] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L919] COND TRUE 1
[L921] COND TRUE splverifierCounter < 4
[L927] tmp = __VERIFIER_nondet_int()
[L929] COND FALSE !(\read(tmp))
[L937] tmp___0 = __VERIFIER_nondet_int()
[L939] COND FALSE !(\read(tmp___0))
[L947] tmp___2 = __VERIFIER_nondet_int()
[L949] COND TRUE \read(tmp___2)
[L951] CALL startSystem()
[L904] systemActive = 1
[L951] RET startSystem()
[L964] CALL timeShift()
[L711] COND FALSE !(\read(pumpRunning))
[L718] COND TRUE \read(systemActive)
[L720] CALL processEnvironment()
[L766] int tmp ;
[L769] COND FALSE !(\read(pumpRunning))
[L784] CALL processEnvironment__wrappee__highWaterSensor()
[L740] int tmp ;
[L743] COND TRUE ! pumpRunning
[L745] CALL, EXPR isHighWaterLevel()
[L863] int retValue_acc ;
[L864] int tmp ;
[L865] int tmp___0 ;
[L869] CALL, EXPR isHighWaterSensorDry()
[L678] int retValue_acc ;
[L681] COND TRUE waterLevel < 2
[L682] retValue_acc = 1
[L683] return (retValue_acc);
[L869] RET, EXPR isHighWaterSensorDry()
[L869] tmp = isHighWaterSensorDry()
[L871] COND TRUE \read(tmp)
[L872] tmp___0 = 0
[L876] retValue_acc = tmp___0
[L877] return (retValue_acc);
[L745] RET, EXPR isHighWaterLevel()
[L745] tmp = isHighWaterLevel()
[L747] COND FALSE !(\read(tmp))
[L753] FCALL processEnvironment__wrappee__base()
[L784] RET processEnvironment__wrappee__highWaterSensor()
[L720] RET processEnvironment()
[L726] CALL __utac_acc__Specification4_spec__1()
[L420] int tmp ;
[L421] int tmp___0 ;
[L425] CALL, EXPR getWaterLevel()
[L669] int retValue_acc ;
[L672] retValue_acc = waterLevel
[L673] return (retValue_acc);
[L425] RET, EXPR getWaterLevel()
[L425] tmp = getWaterLevel()
[L427] COND FALSE !(tmp == 0)
[L726] RET __utac_acc__Specification4_spec__1()
[L964] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 07:34:23,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438a9547-3712-4046-b24e-e0d2cc162db3/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)