./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC --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 eee587482483666264883da3a201ae82d389545c
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:27:14,927 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:27:14,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:27:14,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:27:14,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:27:14,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:27:14,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:27:14,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:27:15,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:27:15,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:27:15,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:27:15,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:27:15,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:27:15,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:27:15,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:27:15,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:27:15,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:27:15,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:27:15,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:27:15,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:27:15,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:27:15,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:27:15,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:27:15,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:27:15,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:27:15,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:27:15,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:27:15,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:27:15,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:27:15,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:27:15,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:27:15,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:27:15,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:27:15,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:27:15,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:27:15,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:27:15,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:27:15,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:27:15,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:27:15,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:27:15,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:27:15,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:27:15,136 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:27:15,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:27:15,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:27:15,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:27:15,141 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:27:15,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:27:15,141 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:27:15,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:27:15,148 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:27:15,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:27:15,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:27:15,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:27:15,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:27:15,152 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:27:15,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:27:15,152 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:27:15,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:27:15,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:27:15,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:27:15,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:27:15,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:27:15,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:27:15,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:27:15,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:27:15,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:27:15,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:27:15,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:27:15,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:27:15,155 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_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eee587482483666264883da3a201ae82d389545c
[2021-10-11 00:27:15,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:27:15,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:27:15,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:27:15,550 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:27:15,551 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:27:15,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c
[2021-10-11 00:27:15,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/data/0125ae640/3a811e2a9c9147f78b65d8b5f93c276c/FLAG8aa73e4cf
[2021-10-11 00:27:16,137 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:27:16,138 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c
[2021-10-11 00:27:16,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/data/0125ae640/3a811e2a9c9147f78b65d8b5f93c276c/FLAG8aa73e4cf
[2021-10-11 00:27:16,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/data/0125ae640/3a811e2a9c9147f78b65d8b5f93c276c
[2021-10-11 00:27:16,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:27:16,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:27:16,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:27:16,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:27:16,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:27:16,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:16" (1/1) ...
[2021-10-11 00:27:16,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0558ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:16, skipping insertion in model container
[2021-10-11 00:27:16,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:16" (1/1) ...
[2021-10-11 00:27:16,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:27:16,546 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:27:16,876 WARN L226 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_cbba89ea-60c3-4975-89b6-15403821a61a/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c[17619,17632]
[2021-10-11 00:27:16,879 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:27:16,890 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:27:16,970 WARN L226 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_cbba89ea-60c3-4975-89b6-15403821a61a/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c[17619,17632]
[2021-10-11 00:27:16,970 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:27:17,004 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:27:17,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17 WrapperNode
[2021-10-11 00:27:17,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:27:17,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:27:17,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:27:17,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:27:17,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
[2021-10-11 00:27:17,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
[2021-10-11 00:27:17,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:27:17,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:27:17,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:27:17,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:27:17,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
[2021-10-11 00:27:17,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
[2021-10-11 00:27:17,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
[2021-10-11 00:27:17,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
[2021-10-11 00:27:17,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
[2021-10-11 00:27:17,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
[2021-10-11 00:27:17,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
[2021-10-11 00:27:17,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:27:17,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:27:17,183 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:27:17,184 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:27:17,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:27:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:27:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:27:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:27:17,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:27:18,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:27:18,256 INFO L299 CfgBuilder]: Removed 116 assume(true) statements.
[2021-10-11 00:27:18,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:18 BoogieIcfgContainer
[2021-10-11 00:27:18,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:27:18,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:27:18,262 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:27:18,266 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:27:18,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:16" (1/3) ...
[2021-10-11 00:27:18,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30702d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:18, skipping insertion in model container
[2021-10-11 00:27:18,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:17" (2/3) ...
[2021-10-11 00:27:18,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30702d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:18, skipping insertion in model container
[2021-10-11 00:27:18,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:18" (3/3) ...
[2021-10-11 00:27:18,271 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product42.cil.c
[2021-10-11 00:27:18,285 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:27:18,289 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2021-10-11 00:27:18,302 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-10-11 00:27:18,354 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:27:18,355 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:27:18,356 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:27:18,356 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:27:18,356 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:27:18,356 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:27:18,358 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:27:18,358 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:27:18,386 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states.
[2021-10-11 00:27:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-10-11 00:27:18,403 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:27:18,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:18,405 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:18,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:18,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1594902839, now seen corresponding path program 1 times
[2021-10-11 00:27:18,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:18,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969475147]
[2021-10-11 00:27:18,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:18,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969475147]
[2021-10-11 00:27:18,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:18,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:27:18,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244868049]
[2021-10-11 00:27:18,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-10-11 00:27:18,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:18,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-11 00:27:18,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-11 00:27:18,851 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states.
[2021-10-11 00:27:18,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:18,900 INFO L93 Difference]: Finished difference Result 168 states and 251 transitions.
[2021-10-11 00:27:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-10-11 00:27:18,901 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16
[2021-10-11 00:27:18,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:18,913 INFO L225 Difference]: With dead ends: 168
[2021-10-11 00:27:18,914 INFO L226 Difference]: Without dead ends: 83
[2021-10-11 00:27:18,917 INFO L677 BasicCegarLoop]: 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
[2021-10-11 00:27:18,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2021-10-11 00:27:18,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83.
[2021-10-11 00:27:18,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states.
[2021-10-11 00:27:18,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions.
[2021-10-11 00:27:18,975 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 16
[2021-10-11 00:27:18,976 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:18,976 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions.
[2021-10-11 00:27:18,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2021-10-11 00:27:18,978 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions.
[2021-10-11 00:27:18,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-10-11 00:27:18,979 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:27:18,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:18,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:27:18,980 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:18,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:18,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1653307560, now seen corresponding path program 1 times
[2021-10-11 00:27:18,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:18,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557818974]
[2021-10-11 00:27:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:19,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557818974]
[2021-10-11 00:27:19,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:19,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:27:19,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510416517]
[2021-10-11 00:27:19,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:19,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:19,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:19,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:19,113 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states.
[2021-10-11 00:27:19,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:19,125 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions.
[2021-10-11 00:27:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:27:19,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17
[2021-10-11 00:27:19,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:19,127 INFO L225 Difference]: With dead ends: 83
[2021-10-11 00:27:19,127 INFO L226 Difference]: Without dead ends: 37
[2021-10-11 00:27:19,129 INFO L677 BasicCegarLoop]: 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
[2021-10-11 00:27:19,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2021-10-11 00:27:19,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2021-10-11 00:27:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2021-10-11 00:27:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions.
[2021-10-11 00:27:19,134 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 17
[2021-10-11 00:27:19,134 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:19,134 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions.
[2021-10-11 00:27:19,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:19,135 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions.
[2021-10-11 00:27:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-10-11 00:27:19,135 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:27:19,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:19,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:27:19,136 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:19,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:19,139 INFO L82 PathProgramCache]: Analyzing trace with hash 533078269, now seen corresponding path program 1 times
[2021-10-11 00:27:19,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:19,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642753000]
[2021-10-11 00:27:19,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:19,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642753000]
[2021-10-11 00:27:19,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:19,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:27:19,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167791550]
[2021-10-11 00:27:19,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:19,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:19,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:19,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:19,274 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states.
[2021-10-11 00:27:19,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:19,315 INFO L93 Difference]: Finished difference Result 68 states and 98 transitions.
[2021-10-11 00:27:19,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:27:19,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22
[2021-10-11 00:27:19,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:19,322 INFO L225 Difference]: With dead ends: 68
[2021-10-11 00:27:19,322 INFO L226 Difference]: Without dead ends: 37
[2021-10-11 00:27:19,324 INFO L677 BasicCegarLoop]: 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
[2021-10-11 00:27:19,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2021-10-11 00:27:19,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2021-10-11 00:27:19,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2021-10-11 00:27:19,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions.
[2021-10-11 00:27:19,332 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 22
[2021-10-11 00:27:19,332 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:19,332 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions.
[2021-10-11 00:27:19,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions.
[2021-10-11 00:27:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2021-10-11 00:27:19,333 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:27:19,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:19,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:27:19,334 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:19,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:19,335 INFO L82 PathProgramCache]: Analyzing trace with hash 545820985, now seen corresponding path program 1 times
[2021-10-11 00:27:19,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:19,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888044007]
[2021-10-11 00:27:19,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:19,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:19,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888044007]
[2021-10-11 00:27:19,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:19,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:27:19,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143618143]
[2021-10-11 00:27:19,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:19,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:19,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:19,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:19,430 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 3 states.
[2021-10-11 00:27:19,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:19,466 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions.
[2021-10-11 00:27:19,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:27:19,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23
[2021-10-11 00:27:19,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:19,467 INFO L225 Difference]: With dead ends: 89
[2021-10-11 00:27:19,467 INFO L226 Difference]: Without dead ends: 58
[2021-10-11 00:27:19,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:19,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2021-10-11 00:27:19,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56.
[2021-10-11 00:27:19,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states.
[2021-10-11 00:27:19,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions.
[2021-10-11 00:27:19,476 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23
[2021-10-11 00:27:19,476 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:19,476 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions.
[2021-10-11 00:27:19,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions.
[2021-10-11 00:27:19,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2021-10-11 00:27:19,478 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:27:19,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:19,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:27:19,478 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:19,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:19,479 INFO L82 PathProgramCache]: Analyzing trace with hash 2110814541, now seen corresponding path program 1 times
[2021-10-11 00:27:19,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:19,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659119349]
[2021-10-11 00:27:19,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:19,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659119349]
[2021-10-11 00:27:19,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:19,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-10-11 00:27:19,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752179281]
[2021-10-11 00:27:19,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-10-11 00:27:19,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:19,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-11 00:27:19,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:27:19,601 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 7 states.
[2021-10-11 00:27:19,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:19,972 INFO L93 Difference]: Finished difference Result 347 states and 506 transitions.
[2021-10-11 00:27:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-10-11 00:27:19,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29
[2021-10-11 00:27:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:19,980 INFO L225 Difference]: With dead ends: 347
[2021-10-11 00:27:19,981 INFO L226 Difference]: Without dead ends: 297
[2021-10-11 00:27:19,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182
[2021-10-11 00:27:19,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states.
[2021-10-11 00:27:20,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 140.
[2021-10-11 00:27:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states.
[2021-10-11 00:27:20,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 193 transitions.
[2021-10-11 00:27:20,012 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 193 transitions. Word has length 29
[2021-10-11 00:27:20,012 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:20,012 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 193 transitions.
[2021-10-11 00:27:20,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2021-10-11 00:27:20,013 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 193 transitions.
[2021-10-11 00:27:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2021-10-11 00:27:20,015 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:27:20,015 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:20,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-11 00:27:20,015 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:20,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:20,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1559974996, now seen corresponding path program 1 times
[2021-10-11 00:27:20,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:20,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563315853]
[2021-10-11 00:27:20,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-11 00:27:20,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563315853]
[2021-10-11 00:27:20,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:20,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-11 00:27:20,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069114767]
[2021-10-11 00:27:20,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:27:20,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:20,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:27:20,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:27:20,118 INFO L87 Difference]: Start difference. First operand 140 states and 193 transitions. Second operand 5 states.
[2021-10-11 00:27:20,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:20,247 INFO L93 Difference]: Finished difference Result 388 states and 531 transitions.
[2021-10-11 00:27:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-11 00:27:20,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47
[2021-10-11 00:27:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:20,253 INFO L225 Difference]: With dead ends: 388
[2021-10-11 00:27:20,253 INFO L226 Difference]: Without dead ends: 254
[2021-10-11 00:27:20,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:27:20,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2021-10-11 00:27:20,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 149.
[2021-10-11 00:27:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states.
[2021-10-11 00:27:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 202 transitions.
[2021-10-11 00:27:20,277 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 202 transitions. Word has length 47
[2021-10-11 00:27:20,278 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:20,278 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 202 transitions.
[2021-10-11 00:27:20,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:27:20,278 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions.
[2021-10-11 00:27:20,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2021-10-11 00:27:20,281 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:27:20,281 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:20,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:27:20,282 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:20,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:20,282 INFO L82 PathProgramCache]: Analyzing trace with hash -2069448086, now seen corresponding path program 1 times
[2021-10-11 00:27:20,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:20,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739618584]
[2021-10-11 00:27:20,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-11 00:27:20,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739618584]
[2021-10-11 00:27:20,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:20,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:27:20,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080801554]
[2021-10-11 00:27:20,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:27:20,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:20,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:27:20,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:27:20,397 INFO L87 Difference]: Start difference. First operand 149 states and 202 transitions. Second operand 4 states.
[2021-10-11 00:27:20,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:20,438 INFO L93 Difference]: Finished difference Result 311 states and 422 transitions.
[2021-10-11 00:27:20,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-11 00:27:20,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2021-10-11 00:27:20,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:20,440 INFO L225 Difference]: With dead ends: 311
[2021-10-11 00:27:20,441 INFO L226 Difference]: Without dead ends: 168
[2021-10-11 00:27:20,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:27:20,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states.
[2021-10-11 00:27:20,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 123.
[2021-10-11 00:27:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states.
[2021-10-11 00:27:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 164 transitions.
[2021-10-11 00:27:20,460 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 164 transitions. Word has length 47
[2021-10-11 00:27:20,461 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:20,461 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 164 transitions.
[2021-10-11 00:27:20,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:27:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 164 transitions.
[2021-10-11 00:27:20,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2021-10-11 00:27:20,463 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:27:20,464 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:20,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-11 00:27:20,464 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:20,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:20,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1874975382, now seen corresponding path program 1 times
[2021-10-11 00:27:20,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:20,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612195483]
[2021-10-11 00:27:20,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:20,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612195483]
[2021-10-11 00:27:20,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922567065]
[2021-10-11 00:27:20,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:27:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:20,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-10-11 00:27:20,842 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:27:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:20,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-11 00:27:20,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2021-10-11 00:27:20,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508664756]
[2021-10-11 00:27:20,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-10-11 00:27:20,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:20,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-11 00:27:20,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:27:20,998 INFO L87 Difference]: Start difference. First operand 123 states and 164 transitions. Second operand 6 states.
[2021-10-11 00:27:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:21,273 INFO L93 Difference]: Finished difference Result 346 states and 476 transitions.
[2021-10-11 00:27:21,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-10-11 00:27:21,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48
[2021-10-11 00:27:21,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:21,276 INFO L225 Difference]: With dead ends: 346
[2021-10-11 00:27:21,276 INFO L226 Difference]: Without dead ends: 252
[2021-10-11 00:27:21,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110
[2021-10-11 00:27:21,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states.
[2021-10-11 00:27:21,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 162.
[2021-10-11 00:27:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states.
[2021-10-11 00:27:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 215 transitions.
[2021-10-11 00:27:21,327 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 215 transitions. Word has length 48
[2021-10-11 00:27:21,328 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:21,328 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 215 transitions.
[2021-10-11 00:27:21,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2021-10-11 00:27:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 215 transitions.
[2021-10-11 00:27:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2021-10-11 00:27:21,331 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:27:21,331 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:21,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2021-10-11 00:27:21,532 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:21,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:21,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1478909471, now seen corresponding path program 2 times
[2021-10-11 00:27:21,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:21,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131645371]
[2021-10-11 00:27:21,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:27:21,623 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:27:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:27:21,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:27:21,790 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:27:21,791 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-10-11 00:27:21,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-10-11 00:27:21,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:21 BoogieIcfgContainer
[2021-10-11 00:27:21,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:27:21,950 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:27:21,950 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:27:21,951 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:27:21,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:18" (3/4) ...
[2021-10-11 00:27:21,953 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-11 00:27:22,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbba89ea-60c3-4975-89b6-15403821a61a/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:27:22,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:27:22,109 INFO L168 Benchmark]: Toolchain (without parser) took 5646.91 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 62.5 MB in the beginning and 74.9 MB in the end (delta: -12.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:22,109 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 96.5 MB. Free memory was 70.0 MB in the beginning and 70.0 MB in the end (delta: 21.9 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:27:22,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.13 ms. Allocated memory is still 96.5 MB. Free memory was 62.1 MB in the beginning and 62.2 MB in the end (delta: -113.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:22,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.01 ms. Allocated memory is still 96.5 MB. Free memory was 62.2 MB in the beginning and 59.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:22,113 INFO L168 Benchmark]: Boogie Preprocessor took 69.72 ms. Allocated memory is still 96.5 MB. Free memory was 59.2 MB in the beginning and 57.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:22,114 INFO L168 Benchmark]: RCFGBuilder took 1077.25 ms. Allocated memory is still 96.5 MB. Free memory was 57.1 MB in the beginning and 40.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:22,114 INFO L168 Benchmark]: TraceAbstraction took 3687.78 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 40.0 MB in the beginning and 100.0 MB in the end (delta: -60.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:22,115 INFO L168 Benchmark]: Witness Printer took 156.94 ms. Allocated memory is still 142.6 MB. Free memory was 100.0 MB in the beginning and 74.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:22,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.72 ms. Allocated memory is still 96.5 MB. Free memory was 70.0 MB in the beginning and 70.0 MB in the end (delta: 21.9 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 542.13 ms. Allocated memory is still 96.5 MB. Free memory was 62.1 MB in the beginning and 62.2 MB in the end (delta: -113.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 106.01 ms. Allocated memory is still 96.5 MB. Free memory was 62.2 MB in the beginning and 59.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 69.72 ms. Allocated memory is still 96.5 MB. Free memory was 59.2 MB in the beginning and 57.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1077.25 ms. Allocated memory is still 96.5 MB. Free memory was 57.1 MB in the beginning and 40.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 3687.78 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 40.0 MB in the beginning and 100.0 MB in the end (delta: -60.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB.
* Witness Printer took 156.94 ms. Allocated memory is still 142.6 MB. Free memory was 100.0 MB in the beginning and 74.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 926]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L49] int waterLevel = 1;
[L50] int methaneLevelCritical = 0;
[L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L575] int cleanupTimeShifts = 4;
[L744] int pumpRunning = 0;
[L745] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L651] int retValue_acc ;
[L652] int tmp ;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L538] int retValue_acc ;
[L541] retValue_acc = 1
[L542] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L658] tmp = valid_product()
[L660] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L676] int splverifierCounter ;
[L677] int tmp ;
[L678] int tmp___0 ;
[L679] int tmp___1 ;
[L680] int tmp___2 ;
[L683] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L685] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L687] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L693] tmp = __VERIFIER_nondet_int()
[L695] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L67] COND TRUE waterLevel < 2
[L68] waterLevel = waterLevel + 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L703] tmp___0 = __VERIFIER_nondet_int()
[L705] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L713] tmp___2 = __VERIFIER_nondet_int()
[L715] COND TRUE \read(tmp___2)
[L917] systemActive = 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L751] COND FALSE !(\read(pumpRunning))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L758] COND TRUE \read(systemActive)
[L780] int tmp ;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L783] COND TRUE ! pumpRunning
[L895] int retValue_acc ;
[L896] int tmp ;
[L897] int tmp___0 ;
[L129] int retValue_acc ;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L132] COND FALSE !(waterLevel < 2)
[L136] retValue_acc = 0
[L137] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L901] tmp = isHighWaterSensorDry()
[L903] COND FALSE !(\read(tmp))
[L906] tmp___0 = 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L908] retValue_acc = tmp___0
[L909] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L785] tmp = isHighWaterLevel()
[L787] COND TRUE \read(tmp)
[L814] int tmp ;
[L839] int retValue_acc ;
[L88] int retValue_acc ;
[L91] retValue_acc = methaneLevelCritical
[L92] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L843] retValue_acc = isMethaneLevelCritical()
[L845] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L818] tmp = isMethaneAlarm()
[L820] COND FALSE !(\read(tmp))
[L808] pumpRunning = 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L550] int tmp ;
[L551] int tmp___0 ;
[L120] int retValue_acc ;
[L123] retValue_acc = waterLevel
[L124] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L555] tmp = getWaterLevel()
[L557] COND FALSE !(tmp == 0)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L685] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L687] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L693] tmp = __VERIFIER_nondet_int()
[L695] COND FALSE !(\read(tmp))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L703] tmp___0 = __VERIFIER_nondet_int()
[L705] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L713] tmp___2 = __VERIFIER_nondet_int()
[L715] COND TRUE \read(tmp___2)
[L917] systemActive = 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L751] COND TRUE \read(pumpRunning)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L55] COND TRUE waterLevel > 0
[L56] waterLevel = waterLevel - 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L758] COND TRUE \read(systemActive)
[L780] int tmp ;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L783] COND FALSE !(! pumpRunning)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L550] int tmp ;
[L551] int tmp___0 ;
[L120] int retValue_acc ;
[L123] retValue_acc = waterLevel
[L124] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L555] tmp = getWaterLevel()
[L557] COND FALSE !(tmp == 0)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L685] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L687] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L693] tmp = __VERIFIER_nondet_int()
[L695] COND FALSE !(\read(tmp))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L703] tmp___0 = __VERIFIER_nondet_int()
[L705] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L713] tmp___2 = __VERIFIER_nondet_int()
[L715] COND TRUE \read(tmp___2)
[L917] systemActive = 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L751] COND TRUE \read(pumpRunning)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L55] COND TRUE waterLevel > 0
[L56] waterLevel = waterLevel - 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L758] COND TRUE \read(systemActive)
[L780] int tmp ;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L783] COND FALSE !(! pumpRunning)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L550] int tmp ;
[L551] int tmp___0 ;
[L120] int retValue_acc ;
[L123] retValue_acc = waterLevel
[L124] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L555] tmp = getWaterLevel()
[L557] COND TRUE tmp == 0
[L850] int retValue_acc ;
[L853] retValue_acc = pumpRunning
[L854] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L559] tmp___0 = isPumpRunning()
[L561] COND TRUE \read(tmp___0)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L926] reach_error()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 600 SDtfs, 796 SDslu, 838 SDs, 0 SdLazy, 159 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=8, 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, 8 MinimizatonAttempts, 399 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 18720 SizeOfPredicates, 3 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 50/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...