./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --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 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:07:49,367 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:07:49,370 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:07:49,435 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:07:49,436 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:07:49,442 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:07:49,444 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:07:49,448 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:07:49,451 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:07:49,459 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:07:49,460 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:07:49,461 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:07:49,462 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:07:49,463 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:07:49,464 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:07:49,466 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:07:49,467 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:07:49,468 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:07:49,473 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:07:49,483 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:07:49,486 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:07:49,490 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:07:49,496 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:07:49,497 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:07:49,501 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:07:49,502 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:07:49,502 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:07:49,505 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:07:49,505 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:07:49,507 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:07:49,507 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:07:49,508 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:07:49,510 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:07:49,512 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:07:49,513 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:07:49,514 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:07:49,514 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:07:49,515 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:07:49,515 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:07:49,517 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:07:49,517 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:07:49,518 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:07:49,569 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-13 18:07:49,570 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:07:49,570 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:07:49,570 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:07:49,571 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:07:49,571 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:07:49,572 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:07:49,572 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-13 18:07:49,577 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-13 18:07:49,578 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:07:49,579 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-13 18:07:49,579 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-13 18:07:49,580 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-13 18:07:49,580 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-13 18:07:49,580 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:07:49,580 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:07:49,580 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:07:49,581 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-13 18:07:49,581 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-13 18:07:49,581 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-13 18:07:49,581 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:07:49,582 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:07:49,582 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-13 18:07:49,582 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-13 18:07:49,583 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:07:49,583 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:07:49,583 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:07:49,583 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:07:49,584 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-13 18:07:49,585 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:07:49,585 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:07:49,586 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:07:49,586 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:07:49,586 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-13 18:07:49,586 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/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_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000
[2021-11-13 18:07:49,886 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:07:49,915 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:07:49,918 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:07:49,919 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-13 18:07:49,920 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-13 18:07:49,922 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c
[2021-11-13 18:07:50,021 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data/c9b3672a5/c7ed548664c64e19abaf3bdb76ef2c37/FLAG061165d7f
[2021-11-13 18:07:50,524 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-13 18:07:50,524 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c
[2021-11-13 18:07:50,539 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data/c9b3672a5/c7ed548664c64e19abaf3bdb76ef2c37/FLAG061165d7f
[2021-11-13 18:07:50,858 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data/c9b3672a5/c7ed548664c64e19abaf3bdb76ef2c37
[2021-11-13 18:07:50,860 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:07:50,862 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:07:50,864 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:07:50,864 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:07:50,880 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:07:50,880 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:07:50" (1/1) ...
[2021-11-13 18:07:50,882 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe564aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:50, skipping insertion in model container
[2021-11-13 18:07:50,882 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:07:50" (1/1) ...
[2021-11-13 18:07:50,890 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-13 18:07:50,942 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:07:51,238 WARN  L228   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_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464]
[2021-11-13 18:07:51,250 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:07:51,261 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-13 18:07:51,352 WARN  L228   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_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464]
[2021-11-13 18:07:51,359 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:07:51,380 INFO  L208         MainTranslator]: Completed translation
[2021-11-13 18:07:51,380 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51 WrapperNode
[2021-11-13 18:07:51,380 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:07:51,382 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:07:51,382 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:07:51,382 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:07:51,390 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,408 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,446 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:07:51,447 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:07:51,447 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:07:51,447 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:07:51,456 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,456 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,461 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,462 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,473 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,492 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,495 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,498 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:07:51,499 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:07:51,500 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:07:51,500 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:07:51,501 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ...
[2021-11-13 18:07:51,512 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:07:51,522 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:07:51,535 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:07:51,545 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:07:51,584 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:07:51,584 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2021-11-13 18:07:51,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2021-11-13 18:07:51,585 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2021-11-13 18:07:51,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2021-11-13 18:07:51,585 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2021-11-13 18:07:51,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2021-11-13 18:07:51,587 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2021-11-13 18:07:51,588 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2021-11-13 18:07:51,589 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2021-11-13 18:07:51,589 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2021-11-13 18:07:51,590 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2021-11-13 18:07:51,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2021-11-13 18:07:51,590 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2021-11-13 18:07:51,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2021-11-13 18:07:51,591 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:07:51,591 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2021-11-13 18:07:51,591 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2021-11-13 18:07:51,591 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:07:51,591 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:07:52,414 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:07:52,415 INFO  L299             CfgBuilder]: Removed 2 assume(true) statements.
[2021-11-13 18:07:52,417 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:52 BoogieIcfgContainer
[2021-11-13 18:07:52,418 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:07:52,420 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:07:52,420 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:07:52,424 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:07:52,425 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:07:50" (1/3) ...
[2021-11-13 18:07:52,426 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725a3ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:07:52, skipping insertion in model container
[2021-11-13 18:07:52,426 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (2/3) ...
[2021-11-13 18:07:52,427 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725a3ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:07:52, skipping insertion in model container
[2021-11-13 18:07:52,427 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:52" (3/3) ...
[2021-11-13 18:07:52,428 INFO  L111   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c
[2021-11-13 18:07:52,435 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:07:52,435 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:07:52,506 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:07:52,517 INFO  L339      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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 18:07:52,517 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:07:52,548 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15)
[2021-11-13 18:07:52,558 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2021-11-13 18:07:52,560 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:07:52,561 INFO  L514         BasicCegarLoop]: 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]
[2021-11-13 18:07:52,565 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:07:52,571 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:07:52,571 INFO  L85        PathProgramCache]: Analyzing trace with hash 1705763640, now seen corresponding path program 1 times
[2021-11-13 18:07:52,581 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:07:52,582 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394735053]
[2021-11-13 18:07:52,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:07:52,583 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:07:52,825 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:52,974 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:07:52,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:52,982 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:07:52,983 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:07:52,983 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394735053]
[2021-11-13 18:07:52,984 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394735053] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:07:52,984 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:07:52,984 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:07:52,986 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349473397]
[2021-11-13 18:07:52,987 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:07:52,992 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:07:52,992 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:07:53,037 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:07:53,038 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:07:53,040 INFO  L87              Difference]: Start difference. First operand  has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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)
[2021-11-13 18:07:53,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:07:53,080 INFO  L93              Difference]: Finished difference Result 179 states and 244 transitions.
[2021-11-13 18:07:53,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-13 18:07:53,083 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
[2021-11-13 18:07:53,083 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:07:53,094 INFO  L225             Difference]: With dead ends: 179
[2021-11-13 18:07:53,094 INFO  L226             Difference]: Without dead ends: 85
[2021-11-13 18:07:53,099 INFO  L932         BasicCegarLoop]: 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
[2021-11-13 18:07:53,103 INFO  L933         BasicCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:07:53,104 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 2.18ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:07:53,125 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2021-11-13 18:07:53,153 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2021-11-13 18:07:53,155 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 85 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 70 states have internal predecessors, (81), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14)
[2021-11-13 18:07:53,158 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions.
[2021-11-13 18:07:53,160 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25
[2021-11-13 18:07:53,160 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:07:53,160 INFO  L470      AbstractCegarLoop]: Abstraction has 85 states and 110 transitions.
[2021-11-13 18:07:53,161 INFO  L471      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)
[2021-11-13 18:07:53,161 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions.
[2021-11-13 18:07:53,164 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-11-13 18:07:53,164 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:07:53,165 INFO  L514         BasicCegarLoop]: 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]
[2021-11-13 18:07:53,165 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:07:53,165 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:07:53,166 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:07:53,166 INFO  L85        PathProgramCache]: Analyzing trace with hash 153807758, now seen corresponding path program 1 times
[2021-11-13 18:07:53,167 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:07:53,167 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43094840]
[2021-11-13 18:07:53,167 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:07:53,168 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:07:53,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:53,322 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2021-11-13 18:07:53,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:53,336 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:07:53,337 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:07:53,337 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43094840]
[2021-11-13 18:07:53,337 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43094840] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:07:53,338 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:07:53,338 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:07:53,338 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747217307]
[2021-11-13 18:07:53,338 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:07:53,342 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:07:53,342 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:07:53,343 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:07:53,343 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:07:53,344 INFO  L87              Difference]: Start difference. First operand 85 states and 110 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)
[2021-11-13 18:07:53,384 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:07:53,384 INFO  L93              Difference]: Finished difference Result 130 states and 168 transitions.
[2021-11-13 18:07:53,391 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-13 18:07:53,392 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
[2021-11-13 18:07:53,392 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:07:53,394 INFO  L225             Difference]: With dead ends: 130
[2021-11-13 18:07:53,394 INFO  L226             Difference]: Without dead ends: 76
[2021-11-13 18:07:53,395 INFO  L932         BasicCegarLoop]: 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
[2021-11-13 18:07:53,397 INFO  L933         BasicCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.70ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:07:53,398 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 6.23ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.70ms Time]
[2021-11-13 18:07:53,399 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2021-11-13 18:07:53,408 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2021-11-13 18:07:53,413 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 64 states have internal predecessors, (74), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12)
[2021-11-13 18:07:53,419 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions.
[2021-11-13 18:07:53,419 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26
[2021-11-13 18:07:53,422 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:07:53,423 INFO  L470      AbstractCegarLoop]: Abstraction has 76 states and 98 transitions.
[2021-11-13 18:07:53,424 INFO  L471      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)
[2021-11-13 18:07:53,424 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions.
[2021-11-13 18:07:53,426 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2021-11-13 18:07:53,426 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:07:53,428 INFO  L514         BasicCegarLoop]: 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]
[2021-11-13 18:07:53,428 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:07:53,428 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:07:53,429 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:07:53,429 INFO  L85        PathProgramCache]: Analyzing trace with hash -1290936219, now seen corresponding path program 1 times
[2021-11-13 18:07:53,429 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:07:53,430 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946982648]
[2021-11-13 18:07:53,430 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:07:53,430 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:07:53,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:53,512 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:07:53,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:53,526 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:07:53,526 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:07:53,527 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946982648]
[2021-11-13 18:07:53,527 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946982648] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:07:53,527 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:07:53,527 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:07:53,528 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520773570]
[2021-11-13 18:07:53,528 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:07:53,529 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:07:53,529 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:07:53,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:07:53,530 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:07:53,530 INFO  L87              Difference]: Start difference. First operand 76 states and 98 transitions. Second operand  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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)
[2021-11-13 18:07:53,609 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:07:53,609 INFO  L93              Difference]: Finished difference Result 210 states and 277 transitions.
[2021-11-13 18:07:53,612 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-13 18:07:53,612 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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
[2021-11-13 18:07:53,613 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:07:53,615 INFO  L225             Difference]: With dead ends: 210
[2021-11-13 18:07:53,615 INFO  L226             Difference]: Without dead ends: 142
[2021-11-13 18:07:53,617 INFO  L932         BasicCegarLoop]: 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
[2021-11-13 18:07:53,618 INFO  L933         BasicCegarLoop]: 122 mSDtfsCounter, 90 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.39ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.78ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:07:53,619 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 207 Invalid, 5 Unknown, 0 Unchecked, 2.39ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 41.78ms Time]
[2021-11-13 18:07:53,620 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2021-11-13 18:07:53,661 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 139.
[2021-11-13 18:07:53,662 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 139 states, 100 states have (on average 1.35) internal successors, (135), 115 states have internal predecessors, (135), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24)
[2021-11-13 18:07:53,664 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions.
[2021-11-13 18:07:53,665 INFO  L78                 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 31
[2021-11-13 18:07:53,665 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:07:53,665 INFO  L470      AbstractCegarLoop]: Abstraction has 139 states and 183 transitions.
[2021-11-13 18:07:53,666 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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)
[2021-11-13 18:07:53,666 INFO  L276                IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions.
[2021-11-13 18:07:53,668 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2021-11-13 18:07:53,668 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:07:53,668 INFO  L514         BasicCegarLoop]: 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]
[2021-11-13 18:07:53,669 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:07:53,669 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:07:53,670 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:07:53,670 INFO  L85        PathProgramCache]: Analyzing trace with hash -917206296, now seen corresponding path program 1 times
[2021-11-13 18:07:53,670 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:07:53,670 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596521592]
[2021-11-13 18:07:53,671 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:07:53,671 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:07:53,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:53,766 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2021-11-13 18:07:53,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:53,789 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:07:53,790 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:07:53,790 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596521592]
[2021-11-13 18:07:53,790 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596521592] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:07:53,791 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:07:53,791 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-13 18:07:53,791 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962235029]
[2021-11-13 18:07:53,791 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:07:53,792 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:07:53,792 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:07:53,793 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:07:53,793 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:07:53,794 INFO  L87              Difference]: Start difference. First operand 139 states and 183 transitions. Second operand  has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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)
[2021-11-13 18:07:53,989 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:07:53,989 INFO  L93              Difference]: Finished difference Result 399 states and 534 transitions.
[2021-11-13 18:07:53,989 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-13 18:07:53,990 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 34
[2021-11-13 18:07:53,990 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:07:53,994 INFO  L225             Difference]: With dead ends: 399
[2021-11-13 18:07:53,995 INFO  L226             Difference]: Without dead ends: 268
[2021-11-13 18:07:53,996 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2021-11-13 18:07:53,998 INFO  L933         BasicCegarLoop]: 107 mSDtfsCounter, 66 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.75ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 141.81ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:07:53,999 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 480 Invalid, 54 Unknown, 0 Unchecked, 4.75ms Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 141.81ms Time]
[2021-11-13 18:07:54,000 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 268 states.
[2021-11-13 18:07:54,029 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 262.
[2021-11-13 18:07:54,029 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 262 states, 185 states have (on average 1.335135135135135) internal successors, (247), 214 states have internal predecessors, (247), 48 states have call successors, (48), 28 states have call predecessors, (48), 28 states have return successors, (50), 30 states have call predecessors, (50), 48 states have call successors, (50)
[2021-11-13 18:07:54,032 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 345 transitions.
[2021-11-13 18:07:54,033 INFO  L78                 Accepts]: Start accepts. Automaton has 262 states and 345 transitions. Word has length 34
[2021-11-13 18:07:54,033 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:07:54,033 INFO  L470      AbstractCegarLoop]: Abstraction has 262 states and 345 transitions.
[2021-11-13 18:07:54,033 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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)
[2021-11-13 18:07:54,034 INFO  L276                IsEmpty]: Start isEmpty. Operand 262 states and 345 transitions.
[2021-11-13 18:07:54,036 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2021-11-13 18:07:54,037 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:07:54,037 INFO  L514         BasicCegarLoop]: 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, 1, 1, 1, 1]
[2021-11-13 18:07:54,037 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:07:54,037 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:07:54,038 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:07:54,038 INFO  L85        PathProgramCache]: Analyzing trace with hash 2070015524, now seen corresponding path program 1 times
[2021-11-13 18:07:54,038 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:07:54,038 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398882217]
[2021-11-13 18:07:54,038 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:07:54,039 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:07:54,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:54,150 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:07:54,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:54,155 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2021-11-13 18:07:54,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:07:54,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:07:54,160 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:07:54,160 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398882217]
[2021-11-13 18:07:54,160 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398882217] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:07:54,161 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:07:54,161 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-13 18:07:54,161 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756283611]
[2021-11-13 18:07:54,161 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:07:54,162 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:07:54,162 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:07:54,162 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:07:54,163 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:07:54,163 INFO  L87              Difference]: Start difference. First operand 262 states and 345 transitions. Second operand  has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:07:54,385 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:07:54,385 INFO  L93              Difference]: Finished difference Result 442 states and 579 transitions.
[2021-11-13 18:07:54,386 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-13 18:07:54,392 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38
[2021-11-13 18:07:54,393 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:07:54,393 INFO  L225             Difference]: With dead ends: 442
[2021-11-13 18:07:54,393 INFO  L226             Difference]: Without dead ends: 0
[2021-11-13 18:07:54,396 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2021-11-13 18:07:54,405 INFO  L933         BasicCegarLoop]: 52 mSDtfsCounter, 55 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.44ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 152.74ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:07:54,409 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 147 Invalid, 91 Unknown, 0 Unchecked, 2.44ms Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 152.74ms Time]
[2021-11-13 18:07:54,410 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 18:07:54,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 18:07:54,410 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)
[2021-11-13 18:07:54,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:07:54,411 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38
[2021-11-13 18:07:54,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:07:54,411 INFO  L470      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:07:54,411 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:07:54,411 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:07:54,411 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 18:07:54,417 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:07:54,418 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:07:54,420 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 18:07:55,126 INFO  L861   garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 156 163) the Hoare annotation is: true
[2021-11-13 18:07:55,127 INFO  L858   garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 156 163) no Hoare annotation was computed.
[2021-11-13 18:07:55,127 INFO  L858   garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 156 163) no Hoare annotation was computed.
[2021-11-13 18:07:55,127 INFO  L858   garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 89 95) no Hoare annotation was computed.
[2021-11-13 18:07:55,127 INFO  L861   garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 89 95) the Hoare annotation is: true
[2021-11-13 18:07:55,127 INFO  L854   garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 913 924) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2021-11-13 18:07:55,127 INFO  L858   garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 913 924) no Hoare annotation was computed.
[2021-11-13 18:07:55,128 INFO  L858   garLoopResultBuilder]: For program point L917-1(lines 913 924) no Hoare annotation was computed.
[2021-11-13 18:07:55,128 INFO  L858   garLoopResultBuilder]: For program point cleanupEXIT(lines 740 769) no Hoare annotation was computed.
[2021-11-13 18:07:55,128 INFO  L861   garLoopResultBuilder]: At program point L765(lines 740 769) the Hoare annotation is: true
[2021-11-13 18:07:55,128 INFO  L861   garLoopResultBuilder]: At program point cleanupENTRY(lines 740 769) the Hoare annotation is: true
[2021-11-13 18:07:55,128 INFO  L858   garLoopResultBuilder]: For program point L761(line 761) no Hoare annotation was computed.
[2021-11-13 18:07:55,128 INFO  L858   garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed.
[2021-11-13 18:07:55,128 INFO  L861   garLoopResultBuilder]: At program point L754-1(lines 754 758) the Hoare annotation is: true
[2021-11-13 18:07:55,129 INFO  L858   garLoopResultBuilder]: For program point L751(line 751) no Hoare annotation was computed.
[2021-11-13 18:07:55,129 INFO  L861   garLoopResultBuilder]: At program point L750-2(lines 750 764) the Hoare annotation is: true
[2021-11-13 18:07:55,129 INFO  L861   garLoopResultBuilder]: At program point L746(line 746) the Hoare annotation is: true
[2021-11-13 18:07:55,129 INFO  L858   garLoopResultBuilder]: For program point L746-1(line 746) no Hoare annotation was computed.
[2021-11-13 18:07:55,129 INFO  L861   garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 925 933) the Hoare annotation is: true
[2021-11-13 18:07:55,129 INFO  L858   garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 925 933) no Hoare annotation was computed.
[2021-11-13 18:07:55,129 INFO  L858   garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 925 933) no Hoare annotation was computed.
[2021-11-13 18:07:55,130 INFO  L854   garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))
[2021-11-13 18:07:55,130 INFO  L858   garLoopResultBuilder]: For program point L853-1(line 853) no Hoare annotation was computed.
[2021-11-13 18:07:55,130 INFO  L854   garLoopResultBuilder]: At program point L180(lines 175 183) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0)))))
[2021-11-13 18:07:55,130 INFO  L854   garLoopResultBuilder]: At program point L882(lines 877 884) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,130 INFO  L858   garLoopResultBuilder]: For program point timeShiftFINAL(lines 65 88) no Hoare annotation was computed.
[2021-11-13 18:07:55,130 INFO  L858   garLoopResultBuilder]: For program point L69-1(lines 68 87) no Hoare annotation was computed.
[2021-11-13 18:07:55,131 INFO  L858   garLoopResultBuilder]: For program point L131(lines 131 139) no Hoare annotation was computed.
[2021-11-13 18:07:55,131 INFO  L858   garLoopResultBuilder]: For program point L127(lines 127 144) no Hoare annotation was computed.
[2021-11-13 18:07:55,131 INFO  L854   garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,131 INFO  L858   garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed.
[2021-11-13 18:07:55,131 INFO  L858   garLoopResultBuilder]: For program point L859(lines 859 869) no Hoare annotation was computed.
[2021-11-13 18:07:55,131 INFO  L858   garLoopResultBuilder]: For program point L855(lines 855 872) no Hoare annotation was computed.
[2021-11-13 18:07:55,131 INFO  L854   garLoopResultBuilder]: At program point L855-1(lines 847 875) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (not (= ~methaneLevelCritical~0 0)))))
[2021-11-13 18:07:55,132 INFO  L854   garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,132 INFO  L854   garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,132 INFO  L858   garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed.
[2021-11-13 18:07:55,132 INFO  L858   garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed.
[2021-11-13 18:07:55,132 INFO  L854   garLoopResultBuilder]: At program point L893-2(lines 889 900) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,132 INFO  L858   garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed.
[2021-11-13 18:07:55,133 INFO  L854   garLoopResultBuilder]: At program point timeShiftENTRY(lines 65 88) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))
[2021-11-13 18:07:55,134 INFO  L854   garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))
[2021-11-13 18:07:55,134 INFO  L854   garLoopResultBuilder]: At program point L142-1(lines 123 147) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))
[2021-11-13 18:07:55,134 INFO  L854   garLoopResultBuilder]: At program point L171(lines 164 174) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,134 INFO  L858   garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed.
[2021-11-13 18:07:55,135 INFO  L858   garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 88) no Hoare annotation was computed.
[2021-11-13 18:07:55,135 INFO  L858   garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 881) no Hoare annotation was computed.
[2021-11-13 18:07:55,135 INFO  L861   garLoopResultBuilder]: At program point L832(lines 813 835) the Hoare annotation is: true
[2021-11-13 18:07:55,135 INFO  L861   garLoopResultBuilder]: At program point L329(lines 266 333) the Hoare annotation is: true
[2021-11-13 18:07:55,135 INFO  L858   garLoopResultBuilder]: For program point L296(lines 296 302) no Hoare annotation was computed.
[2021-11-13 18:07:55,136 INFO  L858   garLoopResultBuilder]: For program point L296-1(lines 296 302) no Hoare annotation was computed.
[2021-11-13 18:07:55,136 INFO  L854   garLoopResultBuilder]: At program point L259(lines 254 261) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2021-11-13 18:07:55,136 INFO  L854   garLoopResultBuilder]: At program point L288(line 288) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2021-11-13 18:07:55,136 INFO  L858   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 18:07:55,136 INFO  L854   garLoopResultBuilder]: At program point L734(lines 729 737) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))
[2021-11-13 18:07:55,137 INFO  L858   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 18:07:55,137 INFO  L858   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 18:07:55,137 INFO  L854   garLoopResultBuilder]: At program point L251(lines 239 253) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2021-11-13 18:07:55,137 INFO  L854   garLoopResultBuilder]: At program point L726(lines 722 728) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))
[2021-11-13 18:07:55,138 INFO  L858   garLoopResultBuilder]: For program point L243(lines 243 249) no Hoare annotation was computed.
[2021-11-13 18:07:55,138 INFO  L858   garLoopResultBuilder]: For program point L243-1(lines 243 249) no Hoare annotation was computed.
[2021-11-13 18:07:55,138 INFO  L854   garLoopResultBuilder]: At program point L326(lines 275 327) the Hoare annotation is: false
[2021-11-13 18:07:55,138 INFO  L858   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 18:07:55,138 INFO  L858   garLoopResultBuilder]: For program point L314(lines 314 320) no Hoare annotation was computed.
[2021-11-13 18:07:55,139 INFO  L854   garLoopResultBuilder]: At program point L314-2(lines 306 321) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2021-11-13 18:07:55,139 INFO  L858   garLoopResultBuilder]: For program point L277(lines 276 325) no Hoare annotation was computed.
[2021-11-13 18:07:55,139 INFO  L858   garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed.
[2021-11-13 18:07:55,139 INFO  L854   garLoopResultBuilder]: At program point L719(lines 715 721) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))
[2021-11-13 18:07:55,139 INFO  L854   garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2021-11-13 18:07:55,140 INFO  L861   garLoopResultBuilder]: At program point L810(lines 802 812) the Hoare annotation is: true
[2021-11-13 18:07:55,140 INFO  L854   garLoopResultBuilder]: At program point L323(lines 276 325) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2021-11-13 18:07:55,140 INFO  L854   garLoopResultBuilder]: At program point L798(lines 794 800) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))
[2021-11-13 18:07:55,140 INFO  L858   garLoopResultBuilder]: For program point L286(lines 286 292) no Hoare annotation was computed.
[2021-11-13 18:07:55,141 INFO  L858   garLoopResultBuilder]: For program point L286-1(lines 286 292) no Hoare annotation was computed.
[2021-11-13 18:07:55,141 INFO  L858   garLoopResultBuilder]: For program point L823(lines 823 830) no Hoare annotation was computed.
[2021-11-13 18:07:55,141 INFO  L858   garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed.
[2021-11-13 18:07:55,141 INFO  L854   garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false
[2021-11-13 18:07:55,141 INFO  L858   garLoopResultBuilder]: For program point L823-2(lines 823 830) no Hoare annotation was computed.
[2021-11-13 18:07:55,142 INFO  L854   garLoopResultBuilder]: At program point L844(lines 839 846) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))
[2021-11-13 18:07:55,142 INFO  L858   garLoopResultBuilder]: For program point waterRiseEXIT(lines 901 912) no Hoare annotation was computed.
[2021-11-13 18:07:55,142 INFO  L858   garLoopResultBuilder]: For program point L905-1(lines 901 912) no Hoare annotation was computed.
[2021-11-13 18:07:55,142 INFO  L861   garLoopResultBuilder]: At program point waterRiseENTRY(lines 901 912) the Hoare annotation is: true
[2021-11-13 18:07:55,142 INFO  L854   garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 97 121) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))
[2021-11-13 18:07:55,143 INFO  L854   garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))
[2021-11-13 18:07:55,143 INFO  L858   garLoopResultBuilder]: For program point L116-1(lines 97 121) no Hoare annotation was computed.
[2021-11-13 18:07:55,143 INFO  L854   garLoopResultBuilder]: At program point L971(lines 966 974) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,143 INFO  L858   garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 97 121) no Hoare annotation was computed.
[2021-11-13 18:07:55,143 INFO  L854   garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,143 INFO  L854   garLoopResultBuilder]: At program point L235(lines 220 238) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,144 INFO  L854   garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2021-11-13 18:07:55,144 INFO  L858   garLoopResultBuilder]: For program point L105(lines 105 113) no Hoare annotation was computed.
[2021-11-13 18:07:55,144 INFO  L858   garLoopResultBuilder]: For program point L101(lines 101 118) no Hoare annotation was computed.
[2021-11-13 18:07:55,144 INFO  L858   garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed.
[2021-11-13 18:07:55,144 INFO  L858   garLoopResultBuilder]: For program point L229-2(lines 229 233) no Hoare annotation was computed.
[2021-11-13 18:07:55,148 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2021-11-13 18:07:55,150 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:07:55,170 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:07:55 BoogieIcfgContainer
[2021-11-13 18:07:55,170 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:07:55,171 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:07:55,171 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:07:55,171 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-11-13 18:07:55,172 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:52" (3/4) ...
[2021-11-13 18:07:55,175 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-11-13 18:07:55,183 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump
[2021-11-13 18:07:55,183 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2021-11-13 18:07:55,183 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2021-11-13 18:07:55,183 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2021-11-13 18:07:55,183 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2021-11-13 18:07:55,184 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2021-11-13 18:07:55,184 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2021-11-13 18:07:55,184 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor
[2021-11-13 18:07:55,195 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges
[2021-11-13 18:07:55,196 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2021-11-13 18:07:55,196 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2021-11-13 18:07:55,197 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2021-11-13 18:07:55,198 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 18:07:55,198 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:07:55,199 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:07:55,226 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0)
[2021-11-13 18:07:55,227 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0
[2021-11-13 18:07:55,228 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0))
[2021-11-13 18:07:55,229 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0)
[2021-11-13 18:07:55,229 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0))
[2021-11-13 18:07:55,230 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0)
[2021-11-13 18:07:55,230 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0)
[2021-11-13 18:07:55,230 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0)
[2021-11-13 18:07:55,261 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:07:55,262 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:07:55,263 INFO  L158              Benchmark]: Toolchain (without parser) took 4400.51ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 100.5MB in the beginning and 116.1MB in the end (delta: -15.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB.
[2021-11-13 18:07:55,263 INFO  L158              Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory was 114.8MB in the beginning and 114.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:07:55,263 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 516.98ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 103.6MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:07:55,264 INFO  L158              Benchmark]: Boogie Procedure Inliner took 64.61ms. Allocated memory is still 138.4MB. Free memory was 103.6MB in the beginning and 101.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:07:55,264 INFO  L158              Benchmark]: Boogie Preprocessor took 51.78ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 99.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:07:55,265 INFO  L158              Benchmark]: RCFGBuilder took 918.48ms. Allocated memory is still 138.4MB. Free memory was 99.3MB in the beginning and 61.7MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2021-11-13 18:07:55,265 INFO  L158              Benchmark]: TraceAbstraction took 2750.60ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 61.3MB in the beginning and 122.4MB in the end (delta: -61.1MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB.
[2021-11-13 18:07:55,266 INFO  L158              Benchmark]: Witness Printer took 90.89ms. Allocated memory is still 178.3MB. Free memory was 122.4MB in the beginning and 116.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:07:55,268 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory was 114.8MB in the beginning and 114.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 516.98ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 103.6MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 64.61ms. Allocated memory is still 138.4MB. Free memory was 103.6MB in the beginning and 101.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 51.78ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 99.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 918.48ms. Allocated memory is still 138.4MB. Free memory was 99.3MB in the beginning and 61.7MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2750.60ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 61.3MB in the beginning and 122.4MB in the end (delta: -61.1MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB.
 * Witness Printer took 90.89ms. Allocated memory is still 178.3MB. Free memory was 122.4MB in the beginning and 116.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * 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: 881]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 338.03ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 228 mSDsluCounter, 1125 SdHoareTripleChecker+Invalid, 282.07ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 628 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 497 mSDtfsCounter, 126 mSolverCounterSat, 17.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 444 PreInvPairs, 488 NumberOfFragments, 248 HoareAnnotationTreeSize, 444 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1321 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 266]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 254]: Loop Invariant
    Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0
  - InvariantResult [Line: 813]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 164]: Loop Invariant
    Derived loop invariant: !(\old(pumpRunning) == 0)
  - InvariantResult [Line: 802]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 715]: Loop Invariant
    Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive
  - InvariantResult [Line: 276]: Loop Invariant
    Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0
  - InvariantResult [Line: 750]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 722]: Loop Invariant
    Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive
  - InvariantResult [Line: 847]: Loop Invariant
    Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0))
  - InvariantResult [Line: 839]: Loop Invariant
    Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive
  - InvariantResult [Line: 740]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 123]: Loop Invariant
    Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0
  - InvariantResult [Line: 877]: Loop Invariant
    Derived loop invariant: !(\old(pumpRunning) == 0)
  - InvariantResult [Line: 175]: Loop Invariant
    Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0))
  - InvariantResult [Line: 889]: Loop Invariant
    Derived loop invariant: !(\old(pumpRunning) == 0)
  - InvariantResult [Line: 966]: Loop Invariant
    Derived loop invariant: !(\old(pumpRunning) == 0)
  - InvariantResult [Line: 794]: Loop Invariant
    Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive
  - InvariantResult [Line: 275]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 220]: Loop Invariant
    Derived loop invariant: !(\old(pumpRunning) == 0)
  - InvariantResult [Line: 729]: Loop Invariant
    Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive
  - InvariantResult [Line: 239]: Loop Invariant
    Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:07:55,329 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/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