./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
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_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/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_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87d91e56d61e49620ea5a2c0236a89cbd5cce3c0ef7c136160e7b734dcc26431
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:36:08,582 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:36:08,727 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:36:08,738 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:36:08,740 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:36:08,783 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:36:08,786 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:36:08,787 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:36:08,788 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:36:08,794 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:36:08,795 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:36:08,796 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:36:08,797 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:36:08,799 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:36:08,799 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:36:08,800 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:36:08,800 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:36:08,801 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:36:08,801 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:36:08,802 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:36:08,803 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:36:08,803 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:36:08,804 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:36:08,805 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:36:08,805 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:36:08,806 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:36:08,807 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:36:08,808 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:36:08,808 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:36:08,809 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:36:08,811 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:36:08,811 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:36:08,811 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:36:08,812 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:36:08,812 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:36:08,812 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:36:08,813 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:36:08,813 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:36:08,814 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:36:08,814 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/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_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/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(G ! call(reach_error())) )


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 -> 87d91e56d61e49620ea5a2c0236a89cbd5cce3c0ef7c136160e7b734dcc26431
[2023-11-19 07:36:09,217 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:36:09,249 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:36:09,252 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:36:09,254 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:36:09,255 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:36:09,256 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c
[2023-11-19 07:36:12,567 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:36:12,843 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:36:12,853 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c
[2023-11-19 07:36:12,872 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/data/e68c0053e/c0881b20172f4c50a1a2f7a5035e7e36/FLAG733d513d2
[2023-11-19 07:36:12,891 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/data/e68c0053e/c0881b20172f4c50a1a2f7a5035e7e36
[2023-11-19 07:36:12,897 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:36:12,900 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:36:12,903 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:12,904 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:36:12,909 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:36:12,912 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:12" (1/1) ...
[2023-11-19 07:36:12,913 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d4316d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:12, skipping insertion in model container
[2023-11-19 07:36:12,913 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:12" (1/1) ...
[2023-11-19 07:36:12,983 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:36:13,286 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13819,13832]
[2023-11-19 07:36:13,309 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:13,321 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:36:13,332 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2023-11-19 07:36:13,334 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155]
[2023-11-19 07:36:13,334 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [521]
[2023-11-19 07:36:13,334 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [605]
[2023-11-19 07:36:13,335 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614]
[2023-11-19 07:36:13,335 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [649]
[2023-11-19 07:36:13,335 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689]
[2023-11-19 07:36:13,336 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760]
[2023-11-19 07:36:13,382 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13819,13832]
[2023-11-19 07:36:13,393 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:13,413 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:36:13,414 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13 WrapperNode
[2023-11-19 07:36:13,414 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:13,415 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:13,415 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:36:13,416 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:36:13,423 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,437 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,461 INFO  L138                Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 162
[2023-11-19 07:36:13,462 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:13,463 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:36:13,463 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:36:13,463 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:36:13,473 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,473 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,475 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,476 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,482 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,487 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,488 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,490 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,493 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:36:13,494 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:36:13,494 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:36:13,494 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:36:13,495 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ...
[2023-11-19 07:36:13,501 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:36:13,522 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:13,537 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:36:13,576 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:36:13,586 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:36:13,586 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-11-19 07:36:13,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-11-19 07:36:13,587 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-11-19 07:36:13,588 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-11-19 07:36:13,589 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-11-19 07:36:13,589 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-11-19 07:36:13,590 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-11-19 07:36:13,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-11-19 07:36:13,590 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-11-19 07:36:13,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-11-19 07:36:13,590 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-11-19 07:36:13,591 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-11-19 07:36:13,591 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:36:13,591 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-11-19 07:36:13,591 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-11-19 07:36:13,592 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:36:13,592 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:36:13,675 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:36:13,677 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:36:13,954 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:36:13,963 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:36:13,966 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:36:13,971 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:13 BoogieIcfgContainer
[2023-11-19 07:36:13,971 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:36:13,995 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:36:13,996 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:36:13,999 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:36:13,999 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:12" (1/3) ...
[2023-11-19 07:36:14,000 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2915a5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:14, skipping insertion in model container
[2023-11-19 07:36:14,001 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (2/3) ...
[2023-11-19 07:36:14,001 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2915a5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:14, skipping insertion in model container
[2023-11-19 07:36:14,001 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:13" (3/3) ...
[2023-11-19 07:36:14,002 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c
[2023-11-19 07:36:14,045 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:36:14,046 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:36:14,128 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:36:14,135 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10f7a93d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:36:14,136 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:36:14,144 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 82 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:36:14,153 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 07:36:14,153 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:36:14,154 INFO  L195           NwaCegarLoop]: trace 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]
[2023-11-19 07:36:14,154 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:14,159 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:14,160 INFO  L85        PathProgramCache]: Analyzing trace with hash -1051160170, now seen corresponding path program 1 times
[2023-11-19 07:36:14,168 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:14,169 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522250279]
[2023-11-19 07:36:14,169 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:14,170 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:14,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:14,455 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2023-11-19 07:36:14,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:14,479 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 07:36:14,481 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:14,482 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522250279]
[2023-11-19 07:36:14,483 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522250279] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:14,483 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:14,483 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:36:14,485 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102359188]
[2023-11-19 07:36:14,486 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:14,491 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:36:14,491 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:14,537 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:36:14,538 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:36:14,541 INFO  L87              Difference]: Start difference. First operand  has 82 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:14,593 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:14,593 INFO  L93              Difference]: Finished difference Result 155 states and 210 transitions.
[2023-11-19 07:36:14,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-19 07:36:14,596 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25
[2023-11-19 07:36:14,597 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:14,607 INFO  L225             Difference]: With dead ends: 155
[2023-11-19 07:36:14,607 INFO  L226             Difference]: Without dead ends: 73
[2023-11-19 07:36:14,612 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:36:14,618 INFO  L413           NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:14,619 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:14,633 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2023-11-19 07:36:14,674 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2023-11-19 07:36:14,676 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 73 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:36:14,687 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions.
[2023-11-19 07:36:14,688 INFO  L78                 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 25
[2023-11-19 07:36:14,689 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:14,689 INFO  L495      AbstractCegarLoop]: Abstraction has 73 states and 93 transitions.
[2023-11-19 07:36:14,689 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:14,690 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions.
[2023-11-19 07:36:14,692 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-11-19 07:36:14,692 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:36:14,693 INFO  L195           NwaCegarLoop]: trace 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]
[2023-11-19 07:36:14,693 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:36:14,693 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:14,694 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:14,694 INFO  L85        PathProgramCache]: Analyzing trace with hash 1691851244, now seen corresponding path program 1 times
[2023-11-19 07:36:14,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:14,695 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594627285]
[2023-11-19 07:36:14,695 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:14,695 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:14,734 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:14,875 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:36:14,878 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:14,880 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 07:36:14,881 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:14,881 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594627285]
[2023-11-19 07:36:14,881 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594627285] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:14,881 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:14,881 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:36:14,882 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071811329]
[2023-11-19 07:36:14,882 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:14,883 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:36:14,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:14,884 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:36:14,884 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:14,884 INFO  L87              Difference]: Start difference. First operand 73 states and 93 transitions. Second operand  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:14,927 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:14,927 INFO  L93              Difference]: Finished difference Result 106 states and 134 transitions.
[2023-11-19 07:36:14,928 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:36:14,928 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26
[2023-11-19 07:36:14,929 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:14,930 INFO  L225             Difference]: With dead ends: 106
[2023-11-19 07:36:14,930 INFO  L226             Difference]: Without dead ends: 64
[2023-11-19 07:36:14,931 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:14,933 INFO  L413           NwaCegarLoop]: 80 mSDtfsCounter, 17 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:14,933 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:14,934 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2023-11-19 07:36:14,942 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2023-11-19 07:36:14,943 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9)
[2023-11-19 07:36:14,944 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions.
[2023-11-19 07:36:14,944 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 26
[2023-11-19 07:36:14,944 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:14,945 INFO  L495      AbstractCegarLoop]: Abstraction has 64 states and 81 transitions.
[2023-11-19 07:36:14,945 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:14,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions.
[2023-11-19 07:36:14,946 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2023-11-19 07:36:14,947 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:36:14,947 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:14,947 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:36:14,947 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:14,948 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:14,948 INFO  L85        PathProgramCache]: Analyzing trace with hash -292013017, now seen corresponding path program 1 times
[2023-11-19 07:36:14,948 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:14,949 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440422669]
[2023-11-19 07:36:14,949 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:14,949 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:14,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:15,082 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:36:15,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:15,090 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 07:36:15,091 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:15,091 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440422669]
[2023-11-19 07:36:15,091 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440422669] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:15,091 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:15,094 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:36:15,094 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144727953]
[2023-11-19 07:36:15,094 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:15,095 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:36:15,095 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:15,096 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:36:15,096 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:36:15,096 INFO  L87              Difference]: Start difference. First operand 64 states and 81 transitions. Second operand  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:15,205 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:15,205 INFO  L93              Difference]: Finished difference Result 163 states and 211 transitions.
[2023-11-19 07:36:15,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-19 07:36:15,208 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31
[2023-11-19 07:36:15,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:15,210 INFO  L225             Difference]: With dead ends: 163
[2023-11-19 07:36:15,211 INFO  L226             Difference]: Without dead ends: 107
[2023-11-19 07:36:15,212 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:36:15,213 INFO  L413           NwaCegarLoop]: 89 mSDtfsCounter, 146 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:15,214 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 275 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:15,215 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2023-11-19 07:36:15,248 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104.
[2023-11-19 07:36:15,250 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 87 states have internal predecessors, (105), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (15), 11 states have call predecessors, (15), 14 states have call successors, (15)
[2023-11-19 07:36:15,254 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 134 transitions.
[2023-11-19 07:36:15,254 INFO  L78                 Accepts]: Start accepts. Automaton has 104 states and 134 transitions. Word has length 31
[2023-11-19 07:36:15,255 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:15,255 INFO  L495      AbstractCegarLoop]: Abstraction has 104 states and 134 transitions.
[2023-11-19 07:36:15,256 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:15,256 INFO  L276                IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions.
[2023-11-19 07:36:15,262 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2023-11-19 07:36:15,263 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:36:15,263 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:15,263 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:36:15,264 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:15,264 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:15,264 INFO  L85        PathProgramCache]: Analyzing trace with hash 81716906, now seen corresponding path program 1 times
[2023-11-19 07:36:15,265 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:15,265 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618231076]
[2023-11-19 07:36:15,265 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:15,265 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:15,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:15,443 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 07:36:15,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:15,448 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 07:36:15,448 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:15,448 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618231076]
[2023-11-19 07:36:15,449 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618231076] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:15,449 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:15,449 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:36:15,449 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418833250]
[2023-11-19 07:36:15,449 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:15,450 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:36:15,450 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:15,451 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:36:15,451 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:36:15,451 INFO  L87              Difference]: Start difference. First operand 104 states and 134 transitions. Second operand  has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:15,499 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:15,499 INFO  L93              Difference]: Finished difference Result 184 states and 241 transitions.
[2023-11-19 07:36:15,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:36:15,500 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34
[2023-11-19 07:36:15,501 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:15,501 INFO  L225             Difference]: With dead ends: 184
[2023-11-19 07:36:15,501 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:36:15,503 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:36:15,504 INFO  L413           NwaCegarLoop]: 54 mSDtfsCounter, 56 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:15,505 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 157 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:15,506 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:36:15,506 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:36:15,506 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 07:36:15,506 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:36:15,507 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34
[2023-11-19 07:36:15,507 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:15,507 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:36:15,507 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:15,507 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:36:15,507 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:36:15,510 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:36:15,510 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:36:15,513 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:36:15,731 INFO  L899   garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed.
[2023-11-19 07:36:15,732 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 831 838) the Hoare annotation is: true
[2023-11-19 07:36:15,732 INFO  L899   garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed.
[2023-11-19 07:36:15,732 INFO  L899   garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 790 796) no Hoare annotation was computed.
[2023-11-19 07:36:15,732 INFO  L902   garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 790 796) the Hoare annotation is: true
[2023-11-19 07:36:15,733 INFO  L899   garLoopResultBuilder]: For program point L556-1(lines 552 563) no Hoare annotation was computed.
[2023-11-19 07:36:15,733 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 552 563) the Hoare annotation is: true
[2023-11-19 07:36:15,733 INFO  L899   garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 552 563) no Hoare annotation was computed.
[2023-11-19 07:36:15,733 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 564 572) the Hoare annotation is: true
[2023-11-19 07:36:15,733 INFO  L899   garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 564 572) no Hoare annotation was computed.
[2023-11-19 07:36:15,734 INFO  L899   garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 564 572) no Hoare annotation was computed.
[2023-11-19 07:36:15,734 INFO  L899   garLoopResultBuilder]: For program point L770-1(lines 769 788) no Hoare annotation was computed.
[2023-11-19 07:36:15,734 INFO  L895   garLoopResultBuilder]: At program point L812(line 812) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2023-11-19 07:36:15,734 INFO  L895   garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2023-11-19 07:36:15,735 INFO  L899   garLoopResultBuilder]: For program point timeShiftFINAL(lines 766 789) no Hoare annotation was computed.
[2023-11-19 07:36:15,735 INFO  L899   garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed.
[2023-11-19 07:36:15,735 INFO  L899   garLoopResultBuilder]: For program point L672(lines 672 682) no Hoare annotation was computed.
[2023-11-19 07:36:15,735 INFO  L899   garLoopResultBuilder]: For program point L668(lines 668 685) no Hoare annotation was computed.
[2023-11-19 07:36:15,735 INFO  L899   garLoopResultBuilder]: For program point L668-1(lines 660 688) no Hoare annotation was computed.
[2023-11-19 07:36:15,736 INFO  L899   garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed.
[2023-11-19 07:36:15,736 INFO  L899   garLoopResultBuilder]: For program point L532-2(lines 528 539) no Hoare annotation was computed.
[2023-11-19 07:36:15,736 INFO  L895   garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))))
[2023-11-19 07:36:15,736 INFO  L899   garLoopResultBuilder]: For program point L817-1(lines 798 822) no Hoare annotation was computed.
[2023-11-19 07:36:15,736 INFO  L899   garLoopResultBuilder]: For program point L673(lines 673 679) no Hoare annotation was computed.
[2023-11-19 07:36:15,737 INFO  L899   garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 606 613) no Hoare annotation was computed.
[2023-11-19 07:36:15,737 INFO  L895   garLoopResultBuilder]: At program point $Ultimate##0(lines 766 789) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))
[2023-11-19 07:36:15,737 INFO  L899   garLoopResultBuilder]: For program point L777-1(lines 777 783) no Hoare annotation was computed.
[2023-11-19 07:36:15,737 INFO  L899   garLoopResultBuilder]: For program point L806(lines 806 814) no Hoare annotation was computed.
[2023-11-19 07:36:15,737 INFO  L899   garLoopResultBuilder]: For program point L802(lines 802 819) no Hoare annotation was computed.
[2023-11-19 07:36:15,738 INFO  L895   garLoopResultBuilder]: At program point L666(line 666) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))
[2023-11-19 07:36:15,738 INFO  L899   garLoopResultBuilder]: For program point L666-1(line 666) no Hoare annotation was computed.
[2023-11-19 07:36:15,738 INFO  L895   garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2023-11-19 07:36:15,738 INFO  L899   garLoopResultBuilder]: For program point L844-1(line 844) no Hoare annotation was computed.
[2023-11-19 07:36:15,739 INFO  L899   garLoopResultBuilder]: For program point timeShiftEXIT(lines 766 789) no Hoare annotation was computed.
[2023-11-19 07:36:15,739 INFO  L899   garLoopResultBuilder]: For program point isMethaneAlarm_returnLabel#1(lines 839 849) no Hoare annotation was computed.
[2023-11-19 07:36:15,739 INFO  L899   garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 850 858) no Hoare annotation was computed.
[2023-11-19 07:36:15,739 INFO  L899   garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 610) no Hoare annotation was computed.
[2023-11-19 07:36:15,739 INFO  L902   garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true
[2023-11-19 07:36:15,740 INFO  L899   garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed.
[2023-11-19 07:36:15,740 INFO  L899   garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed.
[2023-11-19 07:36:15,740 INFO  L902   garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true
[2023-11-19 07:36:15,740 INFO  L902   garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true
[2023-11-19 07:36:15,740 INFO  L899   garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed.
[2023-11-19 07:36:15,741 INFO  L899   garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed.
[2023-11-19 07:36:15,741 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true
[2023-11-19 07:36:15,741 INFO  L899   garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed.
[2023-11-19 07:36:15,741 INFO  L899   garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed.
[2023-11-19 07:36:15,741 INFO  L899   garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed.
[2023-11-19 07:36:15,742 INFO  L899   garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 910 917) no Hoare annotation was computed.
[2023-11-19 07:36:15,742 INFO  L899   garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 118 128) no Hoare annotation was computed.
[2023-11-19 07:36:15,742 INFO  L899   garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 626 632) no Hoare annotation was computed.
[2023-11-19 07:36:15,742 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 132 154) no Hoare annotation was computed.
[2023-11-19 07:36:15,742 INFO  L899   garLoopResultBuilder]: For program point L899(lines 899 905) no Hoare annotation was computed.
[2023-11-19 07:36:15,743 INFO  L899   garLoopResultBuilder]: For program point L899-1(lines 899 905) no Hoare annotation was computed.
[2023-11-19 07:36:15,743 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:15,743 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:15,743 INFO  L899   garLoopResultBuilder]: For program point L755(lines 692 759) no Hoare annotation was computed.
[2023-11-19 07:36:15,743 INFO  L899   garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed.
[2023-11-19 07:36:15,744 INFO  L899   garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed.
[2023-11-19 07:36:15,744 INFO  L895   garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:36:15,744 INFO  L899   garLoopResultBuilder]: For program point setup_returnLabel#1(lines 109 115) no Hoare annotation was computed.
[2023-11-19 07:36:15,744 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:15,744 INFO  L895   garLoopResultBuilder]: At program point L752(lines 701 753) the Hoare annotation is: false
[2023-11-19 07:36:15,745 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:15,745 INFO  L899   garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 633 639) no Hoare annotation was computed.
[2023-11-19 07:36:15,745 INFO  L895   garLoopResultBuilder]: At program point L901(line 901) the Hoare annotation is: false
[2023-11-19 07:36:15,745 INFO  L899   garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed.
[2023-11-19 07:36:15,745 INFO  L895   garLoopResultBuilder]: At program point L740-2(lines 732 747) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:36:15,746 INFO  L899   garLoopResultBuilder]: For program point L703(lines 702 751) no Hoare annotation was computed.
[2023-11-19 07:36:15,746 INFO  L899   garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 652 659) no Hoare annotation was computed.
[2023-11-19 07:36:15,746 INFO  L899   garLoopResultBuilder]: For program point L732(lines 732 747) no Hoare annotation was computed.
[2023-11-19 07:36:15,746 INFO  L895   garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:36:15,746 INFO  L899   garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 895 909) no Hoare annotation was computed.
[2023-11-19 07:36:15,747 INFO  L899   garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed.
[2023-11-19 07:36:15,747 INFO  L895   garLoopResultBuilder]: At program point L749(lines 702 751) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:36:15,747 INFO  L899   garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed.
[2023-11-19 07:36:15,747 INFO  L899   garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 640 648) no Hoare annotation was computed.
[2023-11-19 07:36:15,747 INFO  L899   garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed.
[2023-11-19 07:36:15,748 INFO  L899   garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed.
[2023-11-19 07:36:15,748 INFO  L899   garLoopResultBuilder]: For program point L544-1(lines 540 551) no Hoare annotation was computed.
[2023-11-19 07:36:15,748 INFO  L899   garLoopResultBuilder]: For program point waterRiseEXIT(lines 540 551) no Hoare annotation was computed.
[2023-11-19 07:36:15,748 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 540 551) the Hoare annotation is: true
[2023-11-19 07:36:15,751 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 07:36:15,753 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:36:15,765 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:15 BoogieIcfgContainer
[2023-11-19 07:36:15,765 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:36:15,766 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:36:15,766 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:36:15,766 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:36:15,766 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:13" (3/4) ...
[2023-11-19 07:36:15,772 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:36:15,777 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump
[2023-11-19 07:36:15,778 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2023-11-19 07:36:15,778 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2023-11-19 07:36:15,778 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2023-11-19 07:36:15,778 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2023-11-19 07:36:15,778 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2023-11-19 07:36:15,778 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2023-11-19 07:36:15,789 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2023-11-19 07:36:15,789 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 07:36:15,790 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 07:36:15,790 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:36:15,791 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:36:15,821 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))
[2023-11-19 07:36:15,863 WARN  L141   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))
[2023-11-19 07:36:15,918 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:36:15,919 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:36:15,919 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:36:15,920 INFO  L158              Benchmark]: Toolchain (without parser) took 3020.23ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 90.5MB in the beginning and 90.3MB in the end (delta: 219.4kB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB.
[2023-11-19 07:36:15,920 INFO  L158              Benchmark]: CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:36:15,921 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 511.21ms. Allocated memory is still 130.0MB. Free memory was 90.1MB in the beginning and 71.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:36:15,921 INFO  L158              Benchmark]: Boogie Procedure Inliner took 47.05ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:36:15,921 INFO  L158              Benchmark]: Boogie Preprocessor took 30.23ms. Allocated memory is still 130.0MB. Free memory was 69.1MB in the beginning and 67.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:36:15,922 INFO  L158              Benchmark]: RCFGBuilder took 498.78ms. Allocated memory is still 130.0MB. Free memory was 67.6MB in the beginning and 100.0MB in the end (delta: -32.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB.
[2023-11-19 07:36:15,923 INFO  L158              Benchmark]: TraceAbstraction took 1769.91ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 99.3MB in the beginning and 97.6MB in the end (delta: 1.7MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB.
[2023-11-19 07:36:15,923 INFO  L158              Benchmark]: Witness Printer took 153.51ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 90.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:36:15,926 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 511.21ms. Allocated memory is still 130.0MB. Free memory was 90.1MB in the beginning and 71.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 47.05ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 30.23ms. Allocated memory is still 130.0MB. Free memory was 69.1MB in the beginning and 67.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 498.78ms. Allocated memory is still 130.0MB. Free memory was 67.6MB in the beginning and 100.0MB in the end (delta: -32.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1769.91ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 99.3MB in the beginning and 97.6MB in the end (delta: 1.7MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB.
 * Witness Printer took 153.51ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 90.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 49]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
  - GenericResultAtLocation [Line: 155]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155]
  - GenericResultAtLocation [Line: 521]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [521]
  - GenericResultAtLocation [Line: 605]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [605]
  - GenericResultAtLocation [Line: 614]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614]
  - GenericResultAtLocation [Line: 649]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [649]
  - GenericResultAtLocation [Line: 689]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689]
  - GenericResultAtLocation [Line: 760]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 610]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 8 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 223 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 672 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 347 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 325 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 114 PreInvPairs, 127 NumberOfFragments, 104 HoareAnnotationTreeSize, 114 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 210 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 702]: Loop Invariant
    Derived loop invariant: ((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))
  - InvariantResult [Line: 701]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 62]: Loop Invariant
    Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:36:15,980 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7ef19-67c9-4fc8-878f-b39b2c78ecaa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE