./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.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_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/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_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/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_17b673de-7b42-4bf0-aebd-4110ca2cf98d/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 f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:49:39,656 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:49:39,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 07:49:39,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:49:39,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:49:39,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:49:39,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:49:39,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:49:39,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:49:39,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:49:39,845 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:49:39,846 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 07:49:39,846 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2023-11-19 07:49:39,848 INFO L153 SettingsManager]: * Use old map elimination=false
[2023-11-19 07:49:39,849 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2023-11-19 07:49:39,849 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2023-11-19 07:49:39,850 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 07:49:39,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:49:39,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2023-11-19 07:49:39,851 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:49:39,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:49:39,853 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:49:39,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:49:39,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 07:49:39,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 07:49:39,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 07:49:39,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:49:39,855 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:49:39,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:49:39,856 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2023-11-19 07:49:39,856 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:49:39,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:49:39,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:49:39,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:49:39,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:49:39,858 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 07:49:39,858 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_17b673de-7b42-4bf0-aebd-4110ca2cf98d/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169
[2023-11-19 07:49:40,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:49:40,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:49:40,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:49:40,141 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:49:40,141 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:49:40,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c
[2023-11-19 07:49:43,260 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:49:43,580 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:49:43,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c
[2023-11-19 07:49:43,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/data/7ebbd6464/1964b96f8fa84c8f88f0c20e5f6c04c5/FLAG9a622b811
[2023-11-19 07:49:43,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/data/7ebbd6464/1964b96f8fa84c8f88f0c20e5f6c04c5
[2023-11-19 07:49:43,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:49:43,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:49:43,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:49:43,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:49:43,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:49:43,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be8d0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43, skipping insertion in model container
[2023-11-19 07:49:43,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,676 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:49:43,992 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:49:44,019 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:49:44,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49]
[2023-11-19 07:49:44,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78]
[2023-11-19 07:49:44,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [182]
[2023-11-19 07:49:44,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191]
[2023-11-19 07:49:44,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [226]
[2023-11-19 07:49:44,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [291]
[2023-11-19 07:49:44,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [449]
[2023-11-19 07:49:44,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [538]
[2023-11-19 07:49:44,114 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:49:44,143 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:49:44,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44 WrapperNode
[2023-11-19 07:49:44,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:49:44,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:49:44,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:49:44,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:49:44,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,219 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 50, statements flattened = 327
[2023-11-19 07:49:44,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:49:44,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:49:44,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:49:44,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:49:44,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:49:44,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:49:44,274 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:49:44,274 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:49:44,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (1/1) ...
[2023-11-19 07:49:44,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:49:44,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:49:44,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:49:44,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:49:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:49:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:49:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:49:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:49:44,447 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:49:44,450 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:49:44,789 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:49:44,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:49:44,807 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:49:44,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:44 BoogieIcfgContainer
[2023-11-19 07:49:44,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:49:44,817 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 07:49:44,817 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 07:49:44,821 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2023-11-19 07:49:44,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:49:44,823 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:49:43" (1/3) ...
[2023-11-19 07:49:44,824 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dce3d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:49:44, skipping insertion in model container
[2023-11-19 07:49:44,825 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:49:44,825 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:44" (2/3) ...
[2023-11-19 07:49:44,826 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dce3d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:49:44, skipping insertion in model container
[2023-11-19 07:49:44,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:49:44,827 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:44" (3/3) ...
[2023-11-19 07:49:44,828 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17.cil.c
[2023-11-19 07:49:44,893 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 07:49:44,893 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2023-11-19 07:49:44,893 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 07:49:44,893 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 07:49:44,894 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 07:49:44,894 INFO L308 stractBuchiCegarLoop]: Difference is false
[2023-11-19 07:49:44,894 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 07:49:44,894 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 07:49:44,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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 07:49:44,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66
[2023-11-19 07:49:44,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:49:44,938 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:49:44,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:44,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:44,945 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 07:49:44,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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 07:49:44,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66
[2023-11-19 07:49:44,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:49:44,954 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:49:44,955 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:44,955 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:44,961 INFO L748 eck$LassoCheckResult]: Stem: 19#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 22#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 14#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 86#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 73#valid_product_returnLabel#1true main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 43#L169true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 59#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 24#L237-2true
[2023-11-19 07:49:44,962 INFO L750 eck$LassoCheckResult]: Loop: 24#L237-2true assume !false; 17#L238true assume test_~splverifierCounter~0#1 < 4; 18#L239true havoc test_#t~nondet8#1;test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 87#L247true assume !(0 != test_~tmp~2#1); 64#L247-2true havoc test_#t~nondet9#1;test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 100#L257true assume !(0 != test_~tmp___0~1#1); 23#L257-2true havoc test_#t~nondet10#1;test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 13#L267true assume 0 != test_~tmp___2~0#1; 89#L273-2true assume { :begin_inline_timeShift } true; 48#L305true assume !(0 != ~pumpRunning~0); 95#L305-2true assume !(0 != ~systemActive~0); 20#L312-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#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; 49#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 60#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 92#L61-1true havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 50#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 24#L237-2true
[2023-11-19 07:49:44,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:44,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2023-11-19 07:49:44,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:44,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382439176]
[2023-11-19 07:49:44,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:44,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:45,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:49:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:45,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:49:45,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:45,135 INFO L85 PathProgramCache]: Analyzing trace with hash -828884186, now seen corresponding path program 1 times
[2023-11-19 07:49:45,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:45,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54272063]
[2023-11-19 07:49:45,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:45,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:45,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:49:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:45,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:49:45,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:45,161 INFO L85 PathProgramCache]: Analyzing trace with hash 526534890, now seen corresponding path program 1 times
[2023-11-19 07:49:45,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:45,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98732711]
[2023-11-19 07:49:45,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:45,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:45,469 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 07:49:45,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:45,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98732711]
[2023-11-19 07:49:45,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98732711] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:45,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:45,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:49:45,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509483474]
[2023-11-19 07:49:45,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:45,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:45,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:49:45,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:49:45,744 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 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 07:49:45,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:49:45,843 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions.
[2023-11-19 07:49:45,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions.
[2023-11-19 07:49:45,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60
[2023-11-19 07:49:45,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions.
[2023-11-19 07:49:45,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89
[2023-11-19 07:49:45,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89
[2023-11-19 07:49:45,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions.
[2023-11-19 07:49:45,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:49:45,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions.
[2023-11-19 07:49:45,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions.
[2023-11-19 07:49:45,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89.
[2023-11-19 07:49:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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 07:49:45,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions.
[2023-11-19 07:49:45,918 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions.
[2023-11-19 07:49:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:49:45,926 INFO L428 stractBuchiCegarLoop]: Abstraction has 89 states and 114 transitions.
[2023-11-19 07:49:45,927 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 07:49:45,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions.
[2023-11-19 07:49:45,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60
[2023-11-19 07:49:45,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:49:45,933 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:49:45,934 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:45,934 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]
[2023-11-19 07:49:45,935 INFO L748 eck$LassoCheckResult]: Stem: 281#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 270#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 271#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 262#valid_product_returnLabel#1 main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 263#L169 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 226#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 227#L237-2
[2023-11-19 07:49:45,935 INFO L750 eck$LassoCheckResult]: Loop: 227#L237-2 assume !false; 274#L238 assume test_~splverifierCounter~0#1 < 4; 275#L239 havoc test_#t~nondet8#1;test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 277#L247 assume !(0 != test_~tmp~2#1); 240#L247-2 havoc test_#t~nondet9#1;test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 241#L257 assume !(0 != test_~tmp___0~1#1); 294#L257-2 havoc test_#t~nondet10#1;test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 267#L267 assume 0 != test_~tmp___2~0#1; 269#L273-2 assume { :begin_inline_timeShift } true; 293#L305 assume !(0 != ~pumpRunning~0); 305#L305-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 242#L337 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 231#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 232#L337-1 havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 283#L312-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#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; 284#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 228#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 230#L61-1 havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 296#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 227#L237-2
[2023-11-19 07:49:45,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:45,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2023-11-19 07:49:45,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:45,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565258213]
[2023-11-19 07:49:45,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:45,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:45,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:49:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:45,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:49:45,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:45,997 INFO L85 PathProgramCache]: Analyzing trace with hash -646831835, now seen corresponding path program 1 times
[2023-11-19 07:49:45,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:45,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795578278]
[2023-11-19 07:49:45,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:45,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:46,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:49:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:46,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:49:46,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1655311585, now seen corresponding path program 1 times
[2023-11-19 07:49:46,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:46,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53577985]
[2023-11-19 07:49:46,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:46,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:46,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:49:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:46,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:49:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:47,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:49:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:49:47,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:49:47 BoogieIcfgContainer
[2023-11-19 07:49:47,206 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 07:49:47,207 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:49:47,207 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:49:47,207 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:49:47,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:44" (3/4) ...
[2023-11-19 07:49:47,209 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2023-11-19 07:49:47,279 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:49:47,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:49:47,280 INFO L158 Benchmark]: Toolchain (without parser) took 3664.08ms. Allocated memory is still 188.7MB. Free memory was 145.5MB in the beginning and 110.5MB in the end (delta: 34.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB.
[2023-11-19 07:49:47,281 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 188.7MB. Free memory was 164.0MB in the beginning and 163.7MB in the end (delta: 319.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:49:47,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.40ms. Allocated memory is still 188.7MB. Free memory was 145.0MB in the beginning and 126.6MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 07:49:47,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.35ms. Allocated memory is still 188.7MB. Free memory was 126.6MB in the beginning and 124.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:49:47,284 INFO L158 Benchmark]: Boogie Preprocessor took 47.26ms. Allocated memory is still 188.7MB. Free memory was 124.0MB in the beginning and 121.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:49:47,284 INFO L158 Benchmark]: RCFGBuilder took 542.13ms. Allocated memory is still 188.7MB. Free memory was 121.9MB in the beginning and 104.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 07:49:47,290 INFO L158 Benchmark]: BuchiAutomizer took 2389.35ms. Allocated memory is still 188.7MB. Free memory was 104.2MB in the beginning and 112.6MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:49:47,290 INFO L158 Benchmark]: Witness Printer took 72.76ms. Allocated memory is still 188.7MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:49:47,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.64ms. Allocated memory is still 188.7MB. Free memory was 164.0MB in the beginning and 163.7MB in the end (delta: 319.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 527.40ms. Allocated memory is still 188.7MB. Free memory was 145.0MB in the beginning and 126.6MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 79.35ms. Allocated memory is still 188.7MB. Free memory was 126.6MB in the beginning and 124.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 47.26ms. Allocated memory is still 188.7MB. Free memory was 124.0MB in the beginning and 121.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 542.13ms. Allocated memory is still 188.7MB. Free memory was 121.9MB in the beginning and 104.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2389.35ms. Allocated memory is still 188.7MB. Free memory was 104.2MB in the beginning and 112.6MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 72.76ms. Allocated memory is still 188.7MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49]
- GenericResultAtLocation [Line: 78]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78]
- GenericResultAtLocation [Line: 182]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [182]
- GenericResultAtLocation [Line: 191]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191]
- GenericResultAtLocation [Line: 226]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [226]
- GenericResultAtLocation [Line: 291]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [291]
- GenericResultAtLocation [Line: 449]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [449]
- GenericResultAtLocation [Line: 538]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [538]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 89 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 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, 360 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 360 mSDsluCounter, 124 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 119 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 237]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L79] int cleanupTimeShifts = 4;
[L298] int pumpRunning = 0;
[L299] int systemActive = 1;
[L450] int waterLevel = 1;
[L451] int methaneLevelCritical = 0;
[L708] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L160] int retValue_acc ;
[L161] int tmp ;
[L165] FCALL select_helpers()
[L166] FCALL select_features()
[L167] CALL, EXPR valid_product()
[L218] int retValue_acc ;
[L221] retValue_acc = 1
[L222] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L167] RET, EXPR valid_product()
[L167] tmp = valid_product()
[L169] COND TRUE \read(tmp)
[L171] FCALL setup()
[L172] CALL runTest()
[L151] CALL test()
[L228] int splverifierCounter ;
[L229] int tmp ;
[L230] int tmp___0 ;
[L231] int tmp___1 ;
[L232] int tmp___2 ;
[L235] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L237] COND TRUE 1
[L239] COND TRUE splverifierCounter < 4
[L245] tmp = __VERIFIER_nondet_int()
[L247] COND FALSE !(\read(tmp))
[L255] tmp___0 = __VERIFIER_nondet_int()
[L257] COND FALSE !(\read(tmp___0))
[L265] tmp___2 = __VERIFIER_nondet_int()
[L267] COND TRUE \read(tmp___2)
[L280] CALL timeShift()
[L305] COND FALSE !(\read(pumpRunning))
[L312] COND TRUE \read(systemActive)
[L314] CALL processEnvironment()
[L334] int tmp ;
[L337] COND FALSE !(\read(pumpRunning))
[L352] FCALL processEnvironment__wrappee__base()
[L314] RET processEnvironment()
[L320] CALL __utac_acc__Specification4_spec__1()
[L54] int tmp ;
[L55] int tmp___0 ;
[L59] CALL, EXPR getWaterLevel()
[L521] int retValue_acc ;
[L524] retValue_acc = waterLevel
[L525] return (retValue_acc);
[L59] RET, EXPR getWaterLevel()
[L59] tmp = getWaterLevel()
[L61] COND FALSE !(tmp == 0)
[L320] RET __utac_acc__Specification4_spec__1()
[L280] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 237]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L79] int cleanupTimeShifts = 4;
[L298] int pumpRunning = 0;
[L299] int systemActive = 1;
[L450] int waterLevel = 1;
[L451] int methaneLevelCritical = 0;
[L708] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L160] int retValue_acc ;
[L161] int tmp ;
[L165] FCALL select_helpers()
[L166] FCALL select_features()
[L167] CALL, EXPR valid_product()
[L218] int retValue_acc ;
[L221] retValue_acc = 1
[L222] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L167] RET, EXPR valid_product()
[L167] tmp = valid_product()
[L169] COND TRUE \read(tmp)
[L171] FCALL setup()
[L172] CALL runTest()
[L151] CALL test()
[L228] int splverifierCounter ;
[L229] int tmp ;
[L230] int tmp___0 ;
[L231] int tmp___1 ;
[L232] int tmp___2 ;
[L235] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L237] COND TRUE 1
[L239] COND TRUE splverifierCounter < 4
[L245] tmp = __VERIFIER_nondet_int()
[L247] COND FALSE !(\read(tmp))
[L255] tmp___0 = __VERIFIER_nondet_int()
[L257] COND FALSE !(\read(tmp___0))
[L265] tmp___2 = __VERIFIER_nondet_int()
[L267] COND TRUE \read(tmp___2)
[L280] CALL timeShift()
[L305] COND FALSE !(\read(pumpRunning))
[L312] COND TRUE \read(systemActive)
[L314] CALL processEnvironment()
[L334] int tmp ;
[L337] COND FALSE !(\read(pumpRunning))
[L352] FCALL processEnvironment__wrappee__base()
[L314] RET processEnvironment()
[L320] CALL __utac_acc__Specification4_spec__1()
[L54] int tmp ;
[L55] int tmp___0 ;
[L59] CALL, EXPR getWaterLevel()
[L521] int retValue_acc ;
[L524] retValue_acc = waterLevel
[L525] return (retValue_acc);
[L59] RET, EXPR getWaterLevel()
[L59] tmp = getWaterLevel()
[L61] COND FALSE !(tmp == 0)
[L320] RET __utac_acc__Specification4_spec__1()
[L280] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 07:49:47,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b673de-7b42-4bf0-aebd-4110ca2cf98d/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)