./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc --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 586e2c87093d9cb3f870b8341d8eab6b70b165e3f162b5ed0d4d08ed0a9ba515
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:56:47,562 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:56:47,565 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:56:47,598 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:56:47,599 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:56:47,600 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:56:47,602 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:56:47,605 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:56:47,607 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:56:47,608 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:56:47,610 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:56:47,611 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:56:47,612 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:56:47,613 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:56:47,615 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:56:47,617 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:56:47,618 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:56:47,619 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:56:47,621 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:56:47,624 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:56:47,626 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:56:47,628 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:56:47,629 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:56:47,631 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:56:47,635 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:56:47,636 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:56:47,637 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:56:47,638 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:56:47,639 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:56:47,640 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:56:47,641 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:56:47,642 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:56:47,643 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:56:47,645 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:56:47,646 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:56:47,647 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:56:47,648 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:56:47,648 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:56:47,649 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:56:47,650 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:56:47,651 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:56:47,652 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:56:47,680 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:56:47,681 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:56:47,681 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:56:47,682 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:56:47,683 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:56:47,683 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:56:47,684 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:56:47,684 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:56:47,685 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:56:47,685 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:56:47,686 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:56:47,686 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:56:47,686 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:56:47,687 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:56:47,687 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:56:47,688 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:56:47,688 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:56:47,688 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:56:47,688 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:56:47,689 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:56:47,689 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:56:47,690 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:56:47,690 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:56:47,690 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:56:47,691 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:56:47,691 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:56:47,691 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:56:47,692 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:56:47,692 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:56:47,692 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:56:47,693 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:56:47,693 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:56:47,693 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:56:47,694 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_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/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_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc
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 -> 586e2c87093d9cb3f870b8341d8eab6b70b165e3f162b5ed0d4d08ed0a9ba515
[2022-11-02 20:56:48,071 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:56:48,109 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:56:48,113 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:56:48,115 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:56:48,116 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:56:48,117 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c
[2022-11-02 20:56:48,212 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/data/8a3fc2c5b/aadf5cd900f1487d886533d206b1b7b3/FLAG0e5e36a94
[2022-11-02 20:56:48,940 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:56:48,941 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c
[2022-11-02 20:56:48,973 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/data/8a3fc2c5b/aadf5cd900f1487d886533d206b1b7b3/FLAG0e5e36a94
[2022-11-02 20:56:49,208 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/data/8a3fc2c5b/aadf5cd900f1487d886533d206b1b7b3
[2022-11-02 20:56:49,214 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:56:49,216 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:56:49,221 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:56:49,221 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:56:49,225 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:56:49,226 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:56:49" (1/1) ...
[2022-11-02 20:56:49,228 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c794f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49, skipping insertion in model container
[2022-11-02 20:56:49,228 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:56:49" (1/1) ...
[2022-11-02 20:56:49,237 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:56:49,322 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:56:49,629 WARN  L230   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_4515b404-860a-473f-aaba-a676ad714ae2/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c[1605,1618]
[2022-11-02 20:56:49,853 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:56:49,871 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:56:49,900 WARN  L230   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_4515b404-860a-473f-aaba-a676ad714ae2/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c[1605,1618]
[2022-11-02 20:56:50,008 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:56:50,041 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:56:50,042 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50 WrapperNode
[2022-11-02 20:56:50,042 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:56:50,044 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:56:50,044 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:56:50,044 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:56:50,053 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,083 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,135 INFO  L138                Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 219
[2022-11-02 20:56:50,136 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:56:50,137 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:56:50,137 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:56:50,138 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:56:50,149 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,149 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,164 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,173 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,178 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,183 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,194 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,195 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,198 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:56:50,210 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:56:50,211 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:56:50,211 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:56:50,212 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (1/1) ...
[2022-11-02 20:56:50,220 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:56:50,235 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:56:50,253 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:56:50,255 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:56:50,305 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:56:50,305 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2022-11-02 20:56:50,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2022-11-02 20:56:50,306 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2022-11-02 20:56:50,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2022-11-02 20:56:50,306 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2022-11-02 20:56:50,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2022-11-02 20:56:50,307 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2022-11-02 20:56:50,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2022-11-02 20:56:50,307 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:56:50,307 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2022-11-02 20:56:50,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2022-11-02 20:56:50,308 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:56:50,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:56:50,428 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:56:50,431 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:56:50,849 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:56:50,858 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:56:50,858 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:56:50,861 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:50 BoogieIcfgContainer
[2022-11-02 20:56:50,861 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:56:50,864 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:56:50,865 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:56:50,869 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:56:50,870 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:56:49" (1/3) ...
[2022-11-02 20:56:50,870 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19170ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:56:50, skipping insertion in model container
[2022-11-02 20:56:50,871 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:50" (2/3) ...
[2022-11-02 20:56:50,871 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19170ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:56:50, skipping insertion in model container
[2022-11-02 20:56:50,872 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:50" (3/3) ...
[2022-11-02 20:56:50,873 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c
[2022-11-02 20:56:50,897 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:56:50,897 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:56:50,962 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:56:50,974 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6893c23f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:56:50,975 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:56:50,991 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 69 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 60 states have internal predecessors, (76), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2022-11-02 20:56:51,004 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2022-11-02 20:56:51,005 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:56:51,006 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:56:51,007 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:56:51,017 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:56:51,018 INFO  L85        PathProgramCache]: Analyzing trace with hash 1303461530, now seen corresponding path program 1 times
[2022-11-02 20:56:51,032 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:56:51,033 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038585103]
[2022-11-02 20:56:51,033 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:56:51,034 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:56:51,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:51,398 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:56:51,399 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:56:51,399 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038585103]
[2022-11-02 20:56:51,400 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038585103] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:56:51,400 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:56:51,401 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:56:51,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522608730]
[2022-11-02 20:56:51,405 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:56:51,411 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:56:51,413 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:56:51,459 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:56:51,461 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:56:51,464 INFO  L87              Difference]: Start difference. First operand  has 69 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 60 states have internal predecessors, (76), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand  has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:56:51,522 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:56:51,522 INFO  L93              Difference]: Finished difference Result 130 states and 179 transitions.
[2022-11-02 20:56:51,524 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-02 20:56:51,525 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2022-11-02 20:56:51,526 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:56:51,543 INFO  L225             Difference]: With dead ends: 130
[2022-11-02 20:56:51,543 INFO  L226             Difference]: Without dead ends: 60
[2022-11-02 20:56:51,549 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:56:51,554 INFO  L413           NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:56:51,556 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:56:51,576 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2022-11-02 20:56:51,618 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2022-11-02 20:56:51,620 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 60 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 52 states have internal predecessors, (62), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7)
[2022-11-02 20:56:51,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions.
[2022-11-02 20:56:51,629 INFO  L78                 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 19
[2022-11-02 20:56:51,630 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:56:51,630 INFO  L495      AbstractCegarLoop]: Abstraction has 60 states and 77 transitions.
[2022-11-02 20:56:51,631 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:56:51,631 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions.
[2022-11-02 20:56:51,635 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-11-02 20:56:51,636 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:56:51,636 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:56:51,637 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:56:51,637 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:56:51,639 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:56:51,639 INFO  L85        PathProgramCache]: Analyzing trace with hash 626328786, now seen corresponding path program 1 times
[2022-11-02 20:56:51,639 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:56:51,640 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104520802]
[2022-11-02 20:56:51,640 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:56:51,641 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:56:51,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:51,870 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:56:51,871 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:56:51,872 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104520802]
[2022-11-02 20:56:51,873 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104520802] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:56:51,873 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:56:51,874 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:56:51,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275499324]
[2022-11-02 20:56:51,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:56:51,876 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:56:51,877 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:56:51,878 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:56:51,879 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:56:51,879 INFO  L87              Difference]: Start difference. First operand 60 states and 77 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:56:51,907 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:56:51,909 INFO  L93              Difference]: Finished difference Result 86 states and 110 transitions.
[2022-11-02 20:56:51,909 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:56:51,910 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2022-11-02 20:56:51,910 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:56:51,914 INFO  L225             Difference]: With dead ends: 86
[2022-11-02 20:56:51,915 INFO  L226             Difference]: Without dead ends: 51
[2022-11-02 20:56:51,919 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:56:51,922 INFO  L413           NwaCegarLoop]: 64 mSDtfsCounter, 12 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:56:51,924 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 112 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:56:51,927 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2022-11-02 20:56:51,934 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2022-11-02 20:56:51,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 46 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5)
[2022-11-02 20:56:51,942 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions.
[2022-11-02 20:56:51,943 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 20
[2022-11-02 20:56:51,943 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:56:51,944 INFO  L495      AbstractCegarLoop]: Abstraction has 51 states and 65 transitions.
[2022-11-02 20:56:51,945 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:56:51,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions.
[2022-11-02 20:56:51,947 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2022-11-02 20:56:51,948 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:56:51,949 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:56:51,949 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:56:51,949 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:56:51,951 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:56:51,951 INFO  L85        PathProgramCache]: Analyzing trace with hash -1992386770, now seen corresponding path program 1 times
[2022-11-02 20:56:51,952 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:56:51,953 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456314286]
[2022-11-02 20:56:51,953 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:56:51,953 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:56:51,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:52,179 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:56:52,180 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:56:52,180 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456314286]
[2022-11-02 20:56:52,180 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456314286] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:56:52,181 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:56:52,181 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:56:52,182 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723687143]
[2022-11-02 20:56:52,182 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:56:52,183 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:56:52,183 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:56:52,184 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:56:52,184 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:56:52,184 INFO  L87              Difference]: Start difference. First operand 51 states and 65 transitions. Second operand  has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:56:52,332 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:56:52,333 INFO  L93              Difference]: Finished difference Result 95 states and 124 transitions.
[2022-11-02 20:56:52,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 20:56:52,334 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2022-11-02 20:56:52,335 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:56:52,348 INFO  L225             Difference]: With dead ends: 95
[2022-11-02 20:56:52,348 INFO  L226             Difference]: Without dead ends: 51
[2022-11-02 20:56:52,349 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:56:52,351 INFO  L413           NwaCegarLoop]: 58 mSDtfsCounter, 91 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:56:52,351 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 128 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:56:52,352 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2022-11-02 20:56:52,360 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2022-11-02 20:56:52,365 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5)
[2022-11-02 20:56:52,365 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions.
[2022-11-02 20:56:52,366 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 24
[2022-11-02 20:56:52,366 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:56:52,366 INFO  L495      AbstractCegarLoop]: Abstraction has 51 states and 64 transitions.
[2022-11-02 20:56:52,367 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:56:52,367 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions.
[2022-11-02 20:56:52,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-11-02 20:56:52,371 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:56:52,379 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:56:52,379 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:56:52,380 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:56:52,381 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:56:52,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 19457872, now seen corresponding path program 1 times
[2022-11-02 20:56:52,386 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:56:52,386 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257167323]
[2022-11-02 20:56:52,386 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:56:52,387 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:56:52,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:52,667 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2022-11-02 20:56:52,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:52,673 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:56:52,673 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:56:52,673 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257167323]
[2022-11-02 20:56:52,674 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257167323] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:56:52,674 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:56:52,674 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-11-02 20:56:52,675 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801449718]
[2022-11-02 20:56:52,675 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:56:52,675 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-11-02 20:56:52,676 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:56:52,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-11-02 20:56:52,677 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:56:52,677 INFO  L87              Difference]: Start difference. First operand 51 states and 64 transitions. Second operand  has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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)
[2022-11-02 20:56:53,011 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:56:53,011 INFO  L93              Difference]: Finished difference Result 175 states and 237 transitions.
[2022-11-02 20:56:53,012 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-11-02 20:56:53,012 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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 29
[2022-11-02 20:56:53,012 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:56:53,014 INFO  L225             Difference]: With dead ends: 175
[2022-11-02 20:56:53,014 INFO  L226             Difference]: Without dead ends: 131
[2022-11-02 20:56:53,015 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182
[2022-11-02 20:56:53,016 INFO  L413           NwaCegarLoop]: 66 mSDtfsCounter, 153 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:56:53,016 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 390 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 20:56:53,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2022-11-02 20:56:53,056 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 126.
[2022-11-02 20:56:53,056 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 126 states, 100 states have (on average 1.32) internal successors, (132), 112 states have internal predecessors, (132), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17)
[2022-11-02 20:56:53,058 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions.
[2022-11-02 20:56:53,058 INFO  L78                 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 29
[2022-11-02 20:56:53,058 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:56:53,058 INFO  L495      AbstractCegarLoop]: Abstraction has 126 states and 163 transitions.
[2022-11-02 20:56:53,059 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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)
[2022-11-02 20:56:53,059 INFO  L276                IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions.
[2022-11-02 20:56:53,060 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2022-11-02 20:56:53,061 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:56:53,061 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:56:53,061 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:56:53,061 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:56:53,062 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:56:53,062 INFO  L85        PathProgramCache]: Analyzing trace with hash 1673340907, now seen corresponding path program 1 times
[2022-11-02 20:56:53,062 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:56:53,062 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931945323]
[2022-11-02 20:56:53,063 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:56:53,063 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:56:53,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:53,137 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2022-11-02 20:56:53,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:53,140 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:56:53,140 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:56:53,141 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931945323]
[2022-11-02 20:56:53,141 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931945323] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:56:53,141 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:56:53,141 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:56:53,141 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471528871]
[2022-11-02 20:56:53,142 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:56:53,142 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:56:53,142 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:56:53,143 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:56:53,143 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:56:53,143 INFO  L87              Difference]: Start difference. First operand 126 states and 163 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)
[2022-11-02 20:56:53,167 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:56:53,167 INFO  L93              Difference]: Finished difference Result 219 states and 285 transitions.
[2022-11-02 20:56:53,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:56:53,168 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
[2022-11-02 20:56:53,169 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:56:53,170 INFO  L225             Difference]: With dead ends: 219
[2022-11-02 20:56:53,170 INFO  L226             Difference]: Without dead ends: 100
[2022-11-02 20:56:53,172 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:56:53,173 INFO  L413           NwaCegarLoop]: 46 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:56:53,174 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 46 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:56:53,175 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2022-11-02 20:56:53,193 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2022-11-02 20:56:53,193 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 83 states have internal predecessors, (95), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12)
[2022-11-02 20:56:53,194 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 118 transitions.
[2022-11-02 20:56:53,194 INFO  L78                 Accepts]: Start accepts. Automaton has 100 states and 118 transitions. Word has length 31
[2022-11-02 20:56:53,195 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:56:53,195 INFO  L495      AbstractCegarLoop]: Abstraction has 100 states and 118 transitions.
[2022-11-02 20:56:53,195 INFO  L496      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)
[2022-11-02 20:56:53,195 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions.
[2022-11-02 20:56:53,197 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2022-11-02 20:56:53,197 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:56:53,197 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:56:53,198 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:56:53,198 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:56:53,198 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:56:53,199 INFO  L85        PathProgramCache]: Analyzing trace with hash -1699050591, now seen corresponding path program 1 times
[2022-11-02 20:56:53,199 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:56:53,199 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190805769]
[2022-11-02 20:56:53,199 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:56:53,199 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:56:53,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:53,372 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2022-11-02 20:56:53,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:53,390 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2022-11-02 20:56:53,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:53,411 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2022-11-02 20:56:53,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:53,417 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2022-11-02 20:56:53,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:53,439 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2022-11-02 20:56:53,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:53,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2022-11-02 20:56:53,452 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:56:53,453 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190805769]
[2022-11-02 20:56:53,453 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190805769] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:56:53,453 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822168877]
[2022-11-02 20:56:53,453 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:56:53,454 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:56:53,454 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:56:53,457 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:56:53,487 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-02 20:56:53,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:56:53,642 INFO  L263         TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 9 conjunts are in the unsatisfiable core
[2022-11-02 20:56:53,662 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:56:53,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 20:56:53,939 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:56:54,379 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:56:54,379 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822168877] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:56:54,380 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:56:54,380 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15
[2022-11-02 20:56:54,380 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979656842]
[2022-11-02 20:56:54,380 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:56:54,381 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2022-11-02 20:56:54,381 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:56:54,382 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2022-11-02 20:56:54,382 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210
[2022-11-02 20:56:54,383 INFO  L87              Difference]: Start difference. First operand 100 states and 118 transitions. Second operand  has 15 states, 15 states have (on average 6.0) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12)
[2022-11-02 20:56:54,708 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:56:54,708 INFO  L93              Difference]: Finished difference Result 133 states and 157 transitions.
[2022-11-02 20:56:54,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-11-02 20:56:54,710 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 15 states have (on average 6.0) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) Word has length 59
[2022-11-02 20:56:54,711 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:56:54,711 INFO  L225             Difference]: With dead ends: 133
[2022-11-02 20:56:54,711 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 20:56:54,713 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 116 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380
[2022-11-02 20:56:54,714 INFO  L413           NwaCegarLoop]: 63 mSDtfsCounter, 155 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:56:54,715 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 293 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 20:56:54,716 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:56:54,716 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:56:54,716 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)
[2022-11-02 20:56:54,716 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:56:54,716 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59
[2022-11-02 20:56:54,717 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:56:54,717 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:56:54,717 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 6.0) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12)
[2022-11-02 20:56:54,717 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:56:54,717 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:56:54,720 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:56:54,753 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:56:54,921 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:56:54,924 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:56:56,117 INFO  L899   garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 164 170) no Hoare annotation was computed.
[2022-11-02 20:56:56,118 INFO  L902   garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 164 170) the Hoare annotation is: true
[2022-11-02 20:56:56,118 INFO  L899   garLoopResultBuilder]: For program point L402-1(lines 398 409) no Hoare annotation was computed.
[2022-11-02 20:56:56,118 INFO  L902   garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 398 409) the Hoare annotation is: true
[2022-11-02 20:56:56,118 INFO  L899   garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed.
[2022-11-02 20:56:56,118 INFO  L899   garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed.
[2022-11-02 20:56:56,119 INFO  L899   garLoopResultBuilder]: For program point cleanupEXIT(lines 828 857) no Hoare annotation was computed.
[2022-11-02 20:56:56,119 INFO  L902   garLoopResultBuilder]: At program point cleanupENTRY(lines 828 857) the Hoare annotation is: true
[2022-11-02 20:56:56,119 INFO  L902   garLoopResultBuilder]: At program point L853(lines 828 857) the Hoare annotation is: true
[2022-11-02 20:56:56,119 INFO  L899   garLoopResultBuilder]: For program point L849(line 849) no Hoare annotation was computed.
[2022-11-02 20:56:56,119 INFO  L899   garLoopResultBuilder]: For program point L842(lines 842 846) no Hoare annotation was computed.
[2022-11-02 20:56:56,119 INFO  L902   garLoopResultBuilder]: At program point L842-1(lines 842 846) the Hoare annotation is: true
[2022-11-02 20:56:56,119 INFO  L899   garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed.
[2022-11-02 20:56:56,120 INFO  L902   garLoopResultBuilder]: At program point L838-2(lines 838 852) the Hoare annotation is: true
[2022-11-02 20:56:56,120 INFO  L902   garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: true
[2022-11-02 20:56:56,120 INFO  L899   garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed.
[2022-11-02 20:56:56,120 INFO  L895   garLoopResultBuilder]: At program point L378-2(lines 374 385) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)))
[2022-11-02 20:56:56,120 INFO  L899   garLoopResultBuilder]: For program point L151-1(lines 151 157) no Hoare annotation was computed.
[2022-11-02 20:56:56,120 INFO  L899   garLoopResultBuilder]: For program point L180(lines 180 188) no Hoare annotation was computed.
[2022-11-02 20:56:56,121 INFO  L899   garLoopResultBuilder]: For program point L176(lines 176 193) no Hoare annotation was computed.
[2022-11-02 20:56:56,121 INFO  L899   garLoopResultBuilder]: For program point L296(lines 296 300) no Hoare annotation was computed.
[2022-11-02 20:56:56,121 INFO  L899   garLoopResultBuilder]: For program point timeShiftFINAL(lines 140 163) no Hoare annotation was computed.
[2022-11-02 20:56:56,121 INFO  L899   garLoopResultBuilder]: For program point L296-2(lines 296 300) no Hoare annotation was computed.
[2022-11-02 20:56:56,121 INFO  L899   garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed.
[2022-11-02 20:56:56,121 INFO  L899   garLoopResultBuilder]: For program point L354(lines 354 367) no Hoare annotation was computed.
[2022-11-02 20:56:56,122 INFO  L895   garLoopResultBuilder]: At program point L354-1(lines 346 370) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 0))) (.cse4 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3 .cse4 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)))))
[2022-11-02 20:56:56,122 INFO  L895   garLoopResultBuilder]: At program point L247(lines 242 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)))
[2022-11-02 20:56:56,122 INFO  L899   garLoopResultBuilder]: For program point L144-1(lines 143 162) no Hoare annotation was computed.
[2022-11-02 20:56:56,122 INFO  L895   garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)))
[2022-11-02 20:56:56,122 INFO  L899   garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed.
[2022-11-02 20:56:56,123 INFO  L895   garLoopResultBuilder]: At program point L302(lines 287 305) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)))
[2022-11-02 20:56:56,123 INFO  L895   garLoopResultBuilder]: At program point L228(lines 223 230) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)))
[2022-11-02 20:56:56,123 INFO  L895   garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse1 (= ~waterLevel~0 1)))))
[2022-11-02 20:56:56,123 INFO  L895   garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)))))
[2022-11-02 20:56:56,124 INFO  L895   garLoopResultBuilder]: At program point L191-1(lines 172 196) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse1 (= ~waterLevel~0 1)))))
[2022-11-02 20:56:56,124 INFO  L895   garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)))
[2022-11-02 20:56:56,124 INFO  L895   garLoopResultBuilder]: At program point timeShiftENTRY(lines 140 163) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse1 (= ~waterLevel~0 1)))))
[2022-11-02 20:56:56,124 INFO  L899   garLoopResultBuilder]: For program point timeShiftEXIT(lines 140 163) no Hoare annotation was computed.
[2022-11-02 20:56:56,124 INFO  L899   garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed.
[2022-11-02 20:56:56,125 INFO  L895   garLoopResultBuilder]: At program point L456(lines 451 459) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|)))
[2022-11-02 20:56:56,125 INFO  L899   garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed.
[2022-11-02 20:56:56,125 INFO  L899   garLoopResultBuilder]: For program point L93-1(lines 93 99) no Hoare annotation was computed.
[2022-11-02 20:56:56,125 INFO  L902   garLoopResultBuilder]: At program point L122(lines 63 126) the Hoare annotation is: true
[2022-11-02 20:56:56,125 INFO  L895   garLoopResultBuilder]: At program point L886(lines 882 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))
[2022-11-02 20:56:56,126 INFO  L895   garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse3)))
[2022-11-02 20:56:56,126 INFO  L895   garLoopResultBuilder]: At program point L325(lines 321 327) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:56:56,126 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:56:56,126 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:56:56,126 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:56:56,126 INFO  L895   garLoopResultBuilder]: At program point L119(lines 72 120) the Hoare annotation is: false
[2022-11-02 20:56:56,127 INFO  L899   garLoopResultBuilder]: For program point L74(lines 73 118) no Hoare annotation was computed.
[2022-11-02 20:56:56,127 INFO  L899   garLoopResultBuilder]: For program point L103(lines 103 114) no Hoare annotation was computed.
[2022-11-02 20:56:56,127 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:56:56,129 INFO  L902   garLoopResultBuilder]: At program point L896(lines 889 898) the Hoare annotation is: true
[2022-11-02 20:56:56,129 INFO  L895   garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse3)))
[2022-11-02 20:56:56,129 INFO  L895   garLoopResultBuilder]: At program point L116(lines 73 118) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse3)))
[2022-11-02 20:56:56,130 INFO  L899   garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed.
[2022-11-02 20:56:56,130 INFO  L899   garLoopResultBuilder]: For program point L83-1(lines 83 89) no Hoare annotation was computed.
[2022-11-02 20:56:56,130 INFO  L899   garLoopResultBuilder]: For program point L909(lines 909 916) no Hoare annotation was computed.
[2022-11-02 20:56:56,130 INFO  L899   garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed.
[2022-11-02 20:56:56,130 INFO  L899   garLoopResultBuilder]: For program point L909-2(lines 909 916) no Hoare annotation was computed.
[2022-11-02 20:56:56,131 INFO  L902   garLoopResultBuilder]: At program point L918(lines 899 921) the Hoare annotation is: true
[2022-11-02 20:56:56,131 INFO  L895   garLoopResultBuilder]: At program point L340(lines 335 343) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:56:56,131 INFO  L899   garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed.
[2022-11-02 20:56:56,131 INFO  L895   garLoopResultBuilder]: At program point L332(lines 328 334) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:56:56,132 INFO  L895   garLoopResultBuilder]: At program point L109-2(lines 103 114) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse3)))
[2022-11-02 20:56:56,132 INFO  L899   garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed.
[2022-11-02 20:56:56,132 INFO  L899   garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed.
[2022-11-02 20:56:56,133 INFO  L895   garLoopResultBuilder]: At program point waterRiseENTRY(lines 386 397) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1))))
[2022-11-02 20:56:56,136 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2022-11-02 20:56:56,139 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:56:56,160 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:56:56 BoogieIcfgContainer
[2022-11-02 20:56:56,160 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:56:56,161 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:56:56,161 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:56:56,161 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:56:56,162 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:50" (3/4) ...
[2022-11-02 20:56:56,165 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:56:56,173 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2022-11-02 20:56:56,173 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2022-11-02 20:56:56,173 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2022-11-02 20:56:56,173 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2022-11-02 20:56:56,174 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2022-11-02 20:56:56,182 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges
[2022-11-02 20:56:56,185 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2022-11-02 20:56:56,186 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:56:56,186 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:56:56,187 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:56:56,187 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:56:56,188 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:56:56,224 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1
[2022-11-02 20:56:56,225 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive
[2022-11-02 20:56:56,225 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || (((((pumpRunning == 0 && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive)
[2022-11-02 20:56:56,227 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
[2022-11-02 20:56:56,228 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))
[2022-11-02 20:56:56,230 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel)))
[2022-11-02 20:56:56,235 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel)))
[2022-11-02 20:56:56,235 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
[2022-11-02 20:56:56,236 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
[2022-11-02 20:56:56,236 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
[2022-11-02 20:56:56,236 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
[2022-11-02 20:56:56,236 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
[2022-11-02 20:56:56,264 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:56:56,264 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:56:56,265 INFO  L158              Benchmark]: Toolchain (without parser) took 7048.68ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 94.6MB in the beginning and 104.2MB in the end (delta: -9.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB.
[2022-11-02 20:56:56,265 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:56:56,266 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 822.75ms. Allocated memory is still 134.2MB. Free memory was 94.5MB in the beginning and 99.8MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:56:56,266 INFO  L158              Benchmark]: Boogie Procedure Inliner took 92.42ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:56:56,267 INFO  L158              Benchmark]: Boogie Preprocessor took 65.07ms. Allocated memory is still 134.2MB. Free memory was 97.1MB in the beginning and 95.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:56:56,267 INFO  L158              Benchmark]: RCFGBuilder took 651.02ms. Allocated memory is still 134.2MB. Free memory was 95.6MB in the beginning and 78.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-11-02 20:56:56,268 INFO  L158              Benchmark]: TraceAbstraction took 5295.92ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 77.6MB in the beginning and 108.4MB in the end (delta: -30.8MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB.
[2022-11-02 20:56:56,268 INFO  L158              Benchmark]: Witness Printer took 103.60ms. Allocated memory is still 172.0MB. Free memory was 108.4MB in the beginning and 104.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:56:56,270 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 822.75ms. Allocated memory is still 134.2MB. Free memory was 94.5MB in the beginning and 99.8MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 92.42ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 65.07ms. Allocated memory is still 134.2MB. Free memory was 97.1MB in the beginning and 95.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 651.02ms. Allocated memory is still 134.2MB. Free memory was 95.6MB in the beginning and 78.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 5295.92ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 77.6MB in the beginning and 108.4MB in the end (delta: -30.8MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB.
 * Witness Printer took 103.60ms. Allocated memory is still 172.0MB. Free memory was 108.4MB in the beginning and 104.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 54]: 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 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 447 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 444 mSDsluCounter, 1055 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 672 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 383 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 129 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=4, InterpolantAutomatonStates: 31, 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, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 226 PreInvPairs, 246 NumberOfFragments, 569 HoareAnnotationTreeSize, 226 FomulaSimplifications, 97 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 463 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 241 NumberOfCodeBlocks, 241 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 366 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 63/69 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: 838]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 72]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 828]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 442]: Loop Invariant
    Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel)))
  - InvariantResult [Line: 335]: Loop Invariant
    Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1
  - InvariantResult [Line: 451]: Loop Invariant
    Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
  - InvariantResult [Line: 242]: Loop Invariant
    Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
  - InvariantResult [Line: 223]: Loop Invariant
    Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
  - InvariantResult [Line: 346]: Loop Invariant
    Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel)))
  - InvariantResult [Line: 889]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 172]: Loop Invariant
    Derived loop invariant: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))
  - InvariantResult [Line: 328]: Loop Invariant
    Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1
  - InvariantResult [Line: 374]: Loop Invariant
    Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
  - InvariantResult [Line: 73]: Loop Invariant
    Derived loop invariant: (((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || (((((pumpRunning == 0 && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive)
  - InvariantResult [Line: 50]: Loop Invariant
    Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
  - InvariantResult [Line: 882]: Loop Invariant
    Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive
  - InvariantResult [Line: 899]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 63]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 287]: Loop Invariant
    Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))
  - InvariantResult [Line: 321]: Loop Invariant
    Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:56:56,346 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515b404-860a-473f-aaba-a676ad714ae2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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