./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version e943c265
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be --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 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-e943c26
[2021-10-21 20:30:42,607 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-21 20:30:42,611 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-21 20:30:42,696 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-21 20:30:42,698 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-21 20:30:42,705 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-21 20:30:42,707 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-21 20:30:42,713 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-21 20:30:42,716 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-21 20:30:42,723 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-21 20:30:42,725 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-21 20:30:42,727 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-21 20:30:42,728 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-21 20:30:42,731 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-21 20:30:42,734 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-21 20:30:42,742 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-21 20:30:42,745 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-21 20:30:42,746 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-21 20:30:42,749 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-21 20:30:42,762 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-21 20:30:42,766 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-21 20:30:42,768 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-21 20:30:42,772 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-21 20:30:42,774 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-21 20:30:42,779 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-21 20:30:42,779 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-21 20:30:42,780 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-21 20:30:42,782 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-21 20:30:42,783 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-21 20:30:42,785 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-21 20:30:42,786 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-21 20:30:42,787 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-21 20:30:42,788 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-21 20:30:42,789 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-21 20:30:42,791 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-21 20:30:42,791 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-21 20:30:42,792 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-21 20:30:42,793 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-21 20:30:42,793 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-21 20:30:42,794 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-21 20:30:42,795 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-21 20:30:42,796 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-21 20:30:42,828 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-21 20:30:42,829 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-21 20:30:42,829 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-21 20:30:42,830 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-21 20:30:42,831 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-21 20:30:42,831 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-21 20:30:42,832 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-21 20:30:42,832 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-21 20:30:42,832 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-21 20:30:42,833 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-21 20:30:42,833 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-21 20:30:42,833 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-21 20:30:42,834 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-21 20:30:42,834 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-21 20:30:42,834 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-21 20:30:42,834 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-21 20:30:42,835 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-21 20:30:42,835 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-21 20:30:42,835 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-21 20:30:42,835 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-21 20:30:42,836 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-21 20:30:42,836 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-21 20:30:42,836 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-21 20:30:42,836 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-21 20:30:42,836 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-21 20:30:42,837 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-21 20:30:42,837 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-21 20:30:42,837 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-21 20:30:42,837 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-21 20:30:42,837 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-21 20:30:42,838 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-21 20:30:42,838 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-21 20:30:42,838 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_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/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_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be
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 -> 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee
[2021-10-21 20:30:43,161 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-21 20:30:43,210 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-21 20:30:43,213 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-21 20:30:43,215 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-21 20:30:43,216 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-21 20:30:43,217 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c
[2021-10-21 20:30:43,322 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/data/937697d11/4498ed30fbac440d94900f030f7498ca/FLAG731ea936d
[2021-10-21 20:30:44,007 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-21 20:30:44,008 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c
[2021-10-21 20:30:44,025 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/data/937697d11/4498ed30fbac440d94900f030f7498ca/FLAG731ea936d
[2021-10-21 20:30:44,317 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/data/937697d11/4498ed30fbac440d94900f030f7498ca
[2021-10-21 20:30:44,326 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-21 20:30:44,328 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-21 20:30:44,333 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-21 20:30:44,333 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-21 20:30:44,340 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-21 20:30:44,341 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:44,343 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef212bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44, skipping insertion in model container
[2021-10-21 20:30:44,346 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:44,355 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-21 20:30:44,421 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-21 20:30:44,641 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_7a5caf78-2ac6-486d-92b2-944c68949e52/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618]
[2021-10-21 20:30:44,812 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-21 20:30:44,824 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-21 20:30:44,858 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_7a5caf78-2ac6-486d-92b2-944c68949e52/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618]
[2021-10-21 20:30:44,966 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-21 20:30:44,996 INFO  L208         MainTranslator]: Completed translation
[2021-10-21 20:30:44,997 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44 WrapperNode
[2021-10-21 20:30:44,998 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-21 20:30:45,000 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-21 20:30:45,000 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-21 20:30:45,001 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-21 20:30:45,011 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,049 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,092 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-21 20:30:45,093 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-21 20:30:45,093 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-21 20:30:45,093 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-21 20:30:45,104 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,105 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,110 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,110 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,123 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,130 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,134 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,140 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-21 20:30:45,141 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-21 20:30:45,142 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-21 20:30:45,142 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-21 20:30:45,143 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (1/1) ...
[2021-10-21 20:30:45,152 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-21 20:30:45,168 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/z3
[2021-10-21 20:30:45,195 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-21 20:30:45,220 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-21 20:30:45,267 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-21 20:30:45,267 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-21 20:30:45,268 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-21 20:30:45,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-21 20:30:46,233 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-21 20:30:46,243 INFO  L299             CfgBuilder]: Removed 108 assume(true) statements.
[2021-10-21 20:30:46,245 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:30:46 BoogieIcfgContainer
[2021-10-21 20:30:46,246 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-21 20:30:46,248 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-21 20:30:46,248 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-21 20:30:46,254 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-21 20:30:46,255 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:30:44" (1/3) ...
[2021-10-21 20:30:46,256 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbd8ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:30:46, skipping insertion in model container
[2021-10-21 20:30:46,256 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:44" (2/3) ...
[2021-10-21 20:30:46,257 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbd8ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:30:46, skipping insertion in model container
[2021-10-21 20:30:46,258 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:30:46" (3/3) ...
[2021-10-21 20:30:46,260 INFO  L111   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c
[2021-10-21 20:30:46,267 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-21 20:30:46,268 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2021-10-21 20:30:46,331 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-21 20:30:46,339 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
[2021-10-21 20:30:46,340 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-10-21 20:30:46,360 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-21 20:30:46,367 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-10-21 20:30:46,367 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-21 20:30:46,368 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-21 20:30:46,369 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-21 20:30:46,376 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-21 20:30:46,376 INFO  L82        PathProgramCache]: Analyzing trace with hash 1926736589, now seen corresponding path program 1 times
[2021-10-21 20:30:46,413 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-21 20:30:46,414 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968604774]
[2021-10-21 20:30:46,414 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-21 20:30:46,415 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-21 20:30:46,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-21 20:30:46,784 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-21 20:30:46,785 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-21 20:30:46,785 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968604774]
[2021-10-21 20:30:46,786 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968604774] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-21 20:30:46,787 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-21 20:30:46,787 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-21 20:30:46,793 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592119692]
[2021-10-21 20:30:46,801 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-10-21 20:30:46,802 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-21 20:30:46,822 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-21 20:30:46,825 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-21 20:30:46,829 INFO  L87              Difference]: Start difference. First operand  has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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)
[2021-10-21 20:30:46,882 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-21 20:30:46,883 INFO  L93              Difference]: Finished difference Result 148 states and 221 transitions.
[2021-10-21 20:30:46,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-21 20:30:46,885 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) Word has length 18
[2021-10-21 20:30:46,886 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-21 20:30:46,902 INFO  L225             Difference]: With dead ends: 148
[2021-10-21 20:30:46,903 INFO  L226             Difference]: Without dead ends: 73
[2021-10-21 20:30:46,909 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-21 20:30:46,930 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2021-10-21 20:30:46,968 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2021-10-21 20:30:46,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 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)
[2021-10-21 20:30:46,977 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions.
[2021-10-21 20:30:46,979 INFO  L78                 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18
[2021-10-21 20:30:46,979 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-21 20:30:46,979 INFO  L470      AbstractCegarLoop]: Abstraction has 73 states and 102 transitions.
[2021-10-21 20:30:46,980 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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)
[2021-10-21 20:30:46,980 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions.
[2021-10-21 20:30:46,981 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-21 20:30:46,982 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-21 20:30:46,982 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-21 20:30:46,983 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-21 20:30:46,983 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-21 20:30:46,984 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-21 20:30:46,984 INFO  L82        PathProgramCache]: Analyzing trace with hash 1015705836, now seen corresponding path program 1 times
[2021-10-21 20:30:46,985 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-21 20:30:46,985 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424583246]
[2021-10-21 20:30:46,985 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-21 20:30:46,986 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-21 20:30:47,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-21 20:30:47,144 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-21 20:30:47,144 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-21 20:30:47,145 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424583246]
[2021-10-21 20:30:47,145 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424583246] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-21 20:30:47,145 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-21 20:30:47,146 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-21 20:30:47,146 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302576707]
[2021-10-21 20:30:47,148 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-21 20:30:47,148 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-21 20:30:47,149 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-21 20:30:47,150 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-21 20:30:47,150 INFO  L87              Difference]: Start difference. First operand 73 states and 102 transitions. Second operand  has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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)
[2021-10-21 20:30:47,162 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-21 20:30:47,163 INFO  L93              Difference]: Finished difference Result 73 states and 102 transitions.
[2021-10-21 20:30:47,164 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-21 20:30:47,164 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 19
[2021-10-21 20:30:47,164 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-21 20:30:47,165 INFO  L225             Difference]: With dead ends: 73
[2021-10-21 20:30:47,166 INFO  L226             Difference]: Without dead ends: 35
[2021-10-21 20:30:47,167 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-21 20:30:47,167 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2021-10-21 20:30:47,172 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35.
[2021-10-21 20:30:47,173 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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)
[2021-10-21 20:30:47,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions.
[2021-10-21 20:30:47,174 INFO  L78                 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19
[2021-10-21 20:30:47,174 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-21 20:30:47,175 INFO  L470      AbstractCegarLoop]: Abstraction has 35 states and 49 transitions.
[2021-10-21 20:30:47,175 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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)
[2021-10-21 20:30:47,175 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions.
[2021-10-21 20:30:47,176 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-10-21 20:30:47,177 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-21 20:30:47,177 INFO  L512         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]
[2021-10-21 20:30:47,177 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-21 20:30:47,178 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-21 20:30:47,179 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-21 20:30:47,179 INFO  L82        PathProgramCache]: Analyzing trace with hash 428358184, now seen corresponding path program 1 times
[2021-10-21 20:30:47,179 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-21 20:30:47,180 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575555090]
[2021-10-21 20:30:47,180 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-21 20:30:47,180 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-21 20:30:47,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-21 20:30:47,364 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-21 20:30:47,364 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-21 20:30:47,365 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575555090]
[2021-10-21 20:30:47,365 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575555090] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-21 20:30:47,366 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-21 20:30:47,366 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-21 20:30:47,366 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176346746]
[2021-10-21 20:30:47,367 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-21 20:30:47,367 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-21 20:30:47,368 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-21 20:30:47,368 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-21 20:30:47,369 INFO  L87              Difference]: Start difference. First operand 35 states and 49 transitions. Second operand  has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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)
[2021-10-21 20:30:47,486 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-21 20:30:47,486 INFO  L93              Difference]: Finished difference Result 89 states and 129 transitions.
[2021-10-21 20:30:47,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-21 20:30:47,487 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) Word has length 24
[2021-10-21 20:30:47,487 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-21 20:30:47,493 INFO  L225             Difference]: With dead ends: 89
[2021-10-21 20:30:47,493 INFO  L226             Difference]: Without dead ends: 60
[2021-10-21 20:30:47,495 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 52.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-10-21 20:30:47,496 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2021-10-21 20:30:47,523 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56.
[2021-10-21 20:30:47,526 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 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)
[2021-10-21 20:30:47,527 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions.
[2021-10-21 20:30:47,528 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24
[2021-10-21 20:30:47,528 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-21 20:30:47,528 INFO  L470      AbstractCegarLoop]: Abstraction has 56 states and 81 transitions.
[2021-10-21 20:30:47,529 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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)
[2021-10-21 20:30:47,529 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions.
[2021-10-21 20:30:47,530 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2021-10-21 20:30:47,531 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-21 20:30:47,532 INFO  L512         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]
[2021-10-21 20:30:47,532 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-21 20:30:47,532 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-21 20:30:47,535 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-21 20:30:47,536 INFO  L82        PathProgramCache]: Analyzing trace with hash 796513325, now seen corresponding path program 1 times
[2021-10-21 20:30:47,536 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-21 20:30:47,537 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105484484]
[2021-10-21 20:30:47,538 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-21 20:30:47,538 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-21 20:30:47,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-21 20:30:47,643 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-21 20:30:47,643 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-21 20:30:47,644 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105484484]
[2021-10-21 20:30:47,644 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105484484] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-21 20:30:47,644 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-21 20:30:47,645 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-21 20:30:47,645 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001359490]
[2021-10-21 20:30:47,646 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-21 20:30:47,646 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-21 20:30:47,647 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-21 20:30:47,647 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-21 20:30:47,647 INFO  L87              Difference]: Start difference. First operand 56 states and 81 transitions. Second operand  has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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)
[2021-10-21 20:30:47,755 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-21 20:30:47,756 INFO  L93              Difference]: Finished difference Result 292 states and 446 transitions.
[2021-10-21 20:30:47,756 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-21 20:30:47,757 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) Word has length 25
[2021-10-21 20:30:47,757 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-21 20:30:47,760 INFO  L225             Difference]: With dead ends: 292
[2021-10-21 20:30:47,761 INFO  L226             Difference]: Without dead ends: 242
[2021-10-21 20:30:47,762 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 34.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-10-21 20:30:47,763 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 242 states.
[2021-10-21 20:30:47,813 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 100.
[2021-10-21 20:30:47,814 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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)
[2021-10-21 20:30:47,815 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions.
[2021-10-21 20:30:47,815 INFO  L78                 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 25
[2021-10-21 20:30:47,816 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-21 20:30:47,816 INFO  L470      AbstractCegarLoop]: Abstraction has 100 states and 143 transitions.
[2021-10-21 20:30:47,817 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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)
[2021-10-21 20:30:47,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions.
[2021-10-21 20:30:47,818 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-10-21 20:30:47,819 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-21 20:30:47,819 INFO  L512         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]
[2021-10-21 20:30:47,819 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-21 20:30:47,820 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-21 20:30:47,820 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-21 20:30:47,821 INFO  L82        PathProgramCache]: Analyzing trace with hash -1162795665, now seen corresponding path program 1 times
[2021-10-21 20:30:47,821 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-21 20:30:47,821 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343541949]
[2021-10-21 20:30:47,821 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-21 20:30:47,822 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-21 20:30:47,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-21 20:30:47,918 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-21 20:30:47,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-21 20:30:48,046 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-21 20:30:48,046 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-21 20:30:48,048 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-21 20:30:48,050 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-21 20:30:48,051 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-21 20:30:48,052 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-21 20:30:48,060 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-21 20:30:48,155 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:30:48 BoogieIcfgContainer
[2021-10-21 20:30:48,163 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-21 20:30:48,164 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-21 20:30:48,164 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-21 20:30:48,164 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-21 20:30:48,165 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:30:46" (3/4) ...
[2021-10-21 20:30:48,167 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-21 20:30:48,278 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/witness.graphml
[2021-10-21 20:30:48,278 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-21 20:30:48,280 INFO  L168              Benchmark]: Toolchain (without parser) took 3951.78 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.6 MB in the beginning and 59.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB.
[2021-10-21 20:30:48,281 INFO  L168              Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 65.0 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-21 20:30:48,282 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 666.44 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.3 MB in the beginning and 95.8 MB in the end (delta: -39.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-21 20:30:48,283 INFO  L168              Benchmark]: Boogie Procedure Inliner took 91.95 ms. Allocated memory is still 127.9 MB. Free memory was 95.8 MB in the beginning and 92.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-21 20:30:48,284 INFO  L168              Benchmark]: Boogie Preprocessor took 47.67 ms. Allocated memory is still 127.9 MB. Free memory was 92.9 MB in the beginning and 90.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-21 20:30:48,284 INFO  L168              Benchmark]: RCFGBuilder took 1104.69 ms. Allocated memory is still 127.9 MB. Free memory was 90.8 MB in the beginning and 50.4 MB in the end (delta: 40.4 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB.
[2021-10-21 20:30:48,285 INFO  L168              Benchmark]: TraceAbstraction took 1915.20 ms. Allocated memory is still 127.9 MB. Free memory was 49.6 MB in the beginning and 71.3 MB in the end (delta: -21.7 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-21 20:30:48,286 INFO  L168              Benchmark]: Witness Printer took 114.52 ms. Allocated memory is still 127.9 MB. Free memory was 71.3 MB in the beginning and 59.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-21 20:30:48,289 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 65.0 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 666.44 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.3 MB in the beginning and 95.8 MB in the end (delta: -39.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 91.95 ms. Allocated memory is still 127.9 MB. Free memory was 95.8 MB in the beginning and 92.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 47.67 ms. Allocated memory is still 127.9 MB. Free memory was 92.9 MB in the beginning and 90.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1104.69 ms. Allocated memory is still 127.9 MB. Free memory was 90.8 MB in the beginning and 50.4 MB in the end (delta: 40.4 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 1915.20 ms. Allocated memory is still 127.9 MB. Free memory was 49.6 MB in the beginning and 71.3 MB in the end (delta: -21.7 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Witness Printer took 114.52 ms. Allocated memory is still 127.9 MB. Free memory was 71.3 MB in the beginning and 59.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 54]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L59]               int cleanupTimeShifts  =    4;
[L332]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L606]              int pumpRunning  =    0;
[L607]              int systemActive  =    1;
[L816]              int waterLevel  =    1;
[L817]              int methaneLevelCritical  =    0;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L140]              int retValue_acc ;
[L141]              int tmp ;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L806]              int retValue_acc ;
[L809]              retValue_acc = 1
[L810]              return (retValue_acc);
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L147]              tmp = valid_product()
[L149]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L532]              int splverifierCounter ;
[L533]              int tmp ;
[L534]              int tmp___0 ;
[L535]              int tmp___1 ;
[L536]              int tmp___2 ;
[L539]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L541]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L543]  COND TRUE   splverifierCounter < 4
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L549]              tmp = __VERIFIER_nondet_int()
[L551]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L834]  COND TRUE   waterLevel < 2
[L835]              waterLevel = waterLevel + 1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L559]              tmp___0 = __VERIFIER_nondet_int()
[L561]  COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L569]              tmp___2 = __VERIFIER_nondet_int()
[L571]  COND TRUE   \read(tmp___2)
[L775]              systemActive = 1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L614]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L621]  COND TRUE   \read(systemActive)
[L643]              int tmp ;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L646]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L897]              int tmp ;
[L898]              int tmp___0 ;
[L899]              int tmp___1 ;
[L855]              int retValue_acc ;
[L858]              retValue_acc = methaneLevelCritical
[L859]              return (retValue_acc);
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L903]              tmp = isMethaneLevelCritical()
[L905]  COND FALSE  !(\read(tmp))
[L887]              int retValue_acc ;
[L890]              retValue_acc = waterLevel
[L891]              return (retValue_acc);
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L909]              tmp___0 = getWaterLevel()
[L911]  COND TRUE   tmp___0 == 2
[L712]              int retValue_acc ;
[L715]              retValue_acc = pumpRunning
[L716]              return (retValue_acc);
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L913]              tmp___1 = isPumpRunning()
[L915]  COND FALSE  !(\read(tmp___1))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L54]               reach_error()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]

  - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1728.5ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 19.6ms, AutomataDifference: 367.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 278 SDtfs, 447 SDslu, 230 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 93.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 142.8ms AutomataMinimizationTime, 4 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 43.1ms SsaConstructionTime, 349.3ms SatisfiabilityAnalysisTime, 418.0ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2021-10-21 20:30:48,358 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5caf78-2ac6-486d-92b2-944c68949e52/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...