./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label26.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a4ecdabc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label26.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer --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 51d92a84bc78e88f15f7a4ac533fe50d944a2d4f
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-a4ecdab
[2020-11-28 03:08:20,182 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-28 03:08:20,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-28 03:08:20,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-28 03:08:20,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-28 03:08:20,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-28 03:08:20,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-28 03:08:20,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-28 03:08:20,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-28 03:08:20,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-28 03:08:20,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-28 03:08:20,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-28 03:08:20,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-28 03:08:20,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-28 03:08:20,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-28 03:08:20,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-28 03:08:20,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-28 03:08:20,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-28 03:08:20,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-28 03:08:20,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-28 03:08:20,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-28 03:08:20,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-28 03:08:20,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-28 03:08:20,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-28 03:08:20,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-28 03:08:20,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-28 03:08:20,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-28 03:08:20,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-28 03:08:20,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-28 03:08:20,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-28 03:08:20,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-28 03:08:20,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-28 03:08:20,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-28 03:08:20,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-28 03:08:20,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-28 03:08:20,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-28 03:08:20,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-28 03:08:20,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-28 03:08:20,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-28 03:08:20,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-28 03:08:20,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-28 03:08:20,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2020-11-28 03:08:20,432 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-28 03:08:20,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-28 03:08:20,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-28 03:08:20,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-11-28 03:08:20,436 INFO L138 SettingsManager]: * Use SBE=true
[2020-11-28 03:08:20,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-28 03:08:20,436 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-28 03:08:20,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-28 03:08:20,437 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-28 03:08:20,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-28 03:08:20,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-28 03:08:20,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-28 03:08:20,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-28 03:08:20,440 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-28 03:08:20,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-28 03:08:20,440 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-28 03:08:20,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-28 03:08:20,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-28 03:08:20,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-11-28 03:08:20,441 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-28 03:08:20,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-28 03:08:20,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-28 03:08:20,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-28 03:08:20,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-11-28 03:08:20,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-28 03:08:20,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-11-28 03:08:20,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-28 03:08:20,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-28 03:08:20,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-11-28 03:08:20,444 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-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51d92a84bc78e88f15f7a4ac533fe50d944a2d4f
[2020-11-28 03:08:20,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-28 03:08:20,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-28 03:08:20,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-28 03:08:20,824 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-28 03:08:20,825 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-28 03:08:20,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label26.c
[2020-11-28 03:08:20,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/data/fb50a3c1f/62d6b2cc71654e08921a9a80d8a4ae5d/FLAG541a3fed7
[2020-11-28 03:08:21,635 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-28 03:08:21,636 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/sv-benchmarks/c/eca-rers2012/Problem01_label26.c
[2020-11-28 03:08:21,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/data/fb50a3c1f/62d6b2cc71654e08921a9a80d8a4ae5d/FLAG541a3fed7
[2020-11-28 03:08:21,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/data/fb50a3c1f/62d6b2cc71654e08921a9a80d8a4ae5d
[2020-11-28 03:08:21,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-28 03:08:21,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2020-11-28 03:08:21,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-28 03:08:21,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-28 03:08:21,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-28 03:08:21,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:21" (1/1) ...
[2020-11-28 03:08:21,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e5ec952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:21, skipping insertion in model container
[2020-11-28 03:08:21,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:21" (1/1) ...
[2020-11-28 03:08:21,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-28 03:08:21,991 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-28 03:08:22,544 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-28 03:08:22,568 INFO L203 MainTranslator]: Completed pre-run
[2020-11-28 03:08:22,705 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-28 03:08:22,733 INFO L208 MainTranslator]: Completed translation
[2020-11-28 03:08:22,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22 WrapperNode
[2020-11-28 03:08:22,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-28 03:08:22,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-11-28 03:08:22,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-11-28 03:08:22,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-11-28 03:08:22,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
[2020-11-28 03:08:22,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
[2020-11-28 03:08:22,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-11-28 03:08:22,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-28 03:08:22,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-28 03:08:22,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-28 03:08:22,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
[2020-11-28 03:08:22,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
[2020-11-28 03:08:22,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
[2020-11-28 03:08:22,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
[2020-11-28 03:08:22,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
[2020-11-28 03:08:22,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
[2020-11-28 03:08:22,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
[2020-11-28 03:08:22,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-28 03:08:22,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-28 03:08:22,957 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-28 03:08:22,957 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-28 03:08:22,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/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
[2020-11-28 03:08:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-28 03:08:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-28 03:08:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-28 03:08:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-28 03:08:24,647 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-28 03:08:24,647 INFO L298 CfgBuilder]: Removed 9 assume(true) statements.
[2020-11-28 03:08:24,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:24 BoogieIcfgContainer
[2020-11-28 03:08:24,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-28 03:08:24,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-28 03:08:24,652 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-28 03:08:24,656 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-28 03:08:24,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:08:21" (1/3) ...
[2020-11-28 03:08:24,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5275f094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:08:24, skipping insertion in model container
[2020-11-28 03:08:24,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:22" (2/3) ...
[2020-11-28 03:08:24,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5275f094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:08:24, skipping insertion in model container
[2020-11-28 03:08:24,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:24" (3/3) ...
[2020-11-28 03:08:24,660 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c
[2020-11-28 03:08:24,674 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-28 03:08:24,679 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-11-28 03:08:24,693 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-11-28 03:08:24,746 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-28 03:08:24,746 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-28 03:08:24,747 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-28 03:08:24,747 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-28 03:08:24,747 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-28 03:08:24,747 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-28 03:08:24,747 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-28 03:08:24,747 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-28 03:08:24,772 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states.
[2020-11-28 03:08:24,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2020-11-28 03:08:24,785 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:24,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:08:24,787 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:24,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:24,794 INFO L82 PathProgramCache]: Analyzing trace with hash -583926962, now seen corresponding path program 1 times
[2020-11-28 03:08:24,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:24,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4036021]
[2020-11-28 03:08:24,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:08:25,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4036021]
[2020-11-28 03:08:25,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:08:25,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-11-28 03:08:25,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973386193]
[2020-11-28 03:08:25,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:25,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:25,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:25,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-28 03:08:25,422 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states.
[2020-11-28 03:08:26,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:26,779 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions.
[2020-11-28 03:08:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:26,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103
[2020-11-28 03:08:26,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:26,800 INFO L225 Difference]: With dead ends: 529
[2020-11-28 03:08:26,800 INFO L226 Difference]: Without dead ends: 266
[2020-11-28 03:08:26,805 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
[2020-11-28 03:08:26,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states.
[2020-11-28 03:08:26,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266.
[2020-11-28 03:08:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states.
[2020-11-28 03:08:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions.
[2020-11-28 03:08:26,886 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 103
[2020-11-28 03:08:26,887 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:26,887 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions.
[2020-11-28 03:08:26,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions.
[2020-11-28 03:08:26,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2020-11-28 03:08:26,892 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:26,892 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:08:26,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-28 03:08:26,893 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:26,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:26,894 INFO L82 PathProgramCache]: Analyzing trace with hash 481712025, now seen corresponding path program 1 times
[2020-11-28 03:08:26,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:26,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64948624]
[2020-11-28 03:08:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:08:27,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64948624]
[2020-11-28 03:08:27,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:08:27,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-11-28 03:08:27,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443734894]
[2020-11-28 03:08:27,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:27,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:27,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:27,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-28 03:08:27,049 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states.
[2020-11-28 03:08:27,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:27,875 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions.
[2020-11-28 03:08:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:27,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109
[2020-11-28 03:08:27,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:27,882 INFO L225 Difference]: With dead ends: 792
[2020-11-28 03:08:27,882 INFO L226 Difference]: Without dead ends: 528
[2020-11-28 03:08:27,885 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
[2020-11-28 03:08:27,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states.
[2020-11-28 03:08:27,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528.
[2020-11-28 03:08:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states.
[2020-11-28 03:08:27,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 727 transitions.
[2020-11-28 03:08:27,963 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 727 transitions. Word has length 109
[2020-11-28 03:08:27,963 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:27,963 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 727 transitions.
[2020-11-28 03:08:27,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 727 transitions.
[2020-11-28 03:08:27,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2020-11-28 03:08:27,969 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:27,969 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:08:27,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-28 03:08:27,970 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:27,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:27,971 INFO L82 PathProgramCache]: Analyzing trace with hash -241255271, now seen corresponding path program 1 times
[2020-11-28 03:08:27,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:27,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088236948]
[2020-11-28 03:08:27,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:08:28,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088236948]
[2020-11-28 03:08:28,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:08:28,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-28 03:08:28,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107225824]
[2020-11-28 03:08:28,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-28 03:08:28,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:28,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-28 03:08:28,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-11-28 03:08:28,321 INFO L87 Difference]: Start difference. First operand 528 states and 727 transitions. Second operand 4 states.
[2020-11-28 03:08:29,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:29,385 INFO L93 Difference]: Finished difference Result 1411 states and 1930 transitions.
[2020-11-28 03:08:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-11-28 03:08:29,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110
[2020-11-28 03:08:29,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:29,393 INFO L225 Difference]: With dead ends: 1411
[2020-11-28 03:08:29,393 INFO L226 Difference]: Without dead ends: 790
[2020-11-28 03:08:29,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-11-28 03:08:29,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states.
[2020-11-28 03:08:29,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659.
[2020-11-28 03:08:29,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states.
[2020-11-28 03:08:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 813 transitions.
[2020-11-28 03:08:29,448 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 813 transitions. Word has length 110
[2020-11-28 03:08:29,448 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:29,449 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 813 transitions.
[2020-11-28 03:08:29,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-28 03:08:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 813 transitions.
[2020-11-28 03:08:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2020-11-28 03:08:29,452 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:29,453 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2020-11-28 03:08:29,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-28 03:08:29,453 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:29,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:29,454 INFO L82 PathProgramCache]: Analyzing trace with hash 2058278146, now seen corresponding path program 1 times
[2020-11-28 03:08:29,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:29,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101001671]
[2020-11-28 03:08:29,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-11-28 03:08:29,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101001671]
[2020-11-28 03:08:29,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:08:29,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-11-28 03:08:29,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740339204]
[2020-11-28 03:08:29,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:29,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:29,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:29,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-28 03:08:29,531 INFO L87 Difference]: Start difference. First operand 659 states and 813 transitions. Second operand 3 states.
[2020-11-28 03:08:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:30,249 INFO L93 Difference]: Finished difference Result 1578 states and 1974 transitions.
[2020-11-28 03:08:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:30,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120
[2020-11-28 03:08:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:30,256 INFO L225 Difference]: With dead ends: 1578
[2020-11-28 03:08:30,256 INFO L226 Difference]: Without dead ends: 921
[2020-11-28 03:08:30,258 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
[2020-11-28 03:08:30,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states.
[2020-11-28 03:08:30,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790.
[2020-11-28 03:08:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states.
[2020-11-28 03:08:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 956 transitions.
[2020-11-28 03:08:30,292 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 956 transitions. Word has length 120
[2020-11-28 03:08:30,293 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:30,293 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 956 transitions.
[2020-11-28 03:08:30,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 956 transitions.
[2020-11-28 03:08:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-11-28 03:08:30,296 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:30,297 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2020-11-28 03:08:30,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-28 03:08:30,297 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:30,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:30,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1912917346, now seen corresponding path program 1 times
[2020-11-28 03:08:30,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:30,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674824227]
[2020-11-28 03:08:30,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2020-11-28 03:08:30,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674824227]
[2020-11-28 03:08:30,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:08:30,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-28 03:08:30,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904431922]
[2020-11-28 03:08:30,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:30,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:30,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:30,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-28 03:08:30,422 INFO L87 Difference]: Start difference. First operand 790 states and 956 transitions. Second operand 3 states.
[2020-11-28 03:08:31,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:31,138 INFO L93 Difference]: Finished difference Result 2102 states and 2521 transitions.
[2020-11-28 03:08:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:31,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129
[2020-11-28 03:08:31,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:31,147 INFO L225 Difference]: With dead ends: 2102
[2020-11-28 03:08:31,148 INFO L226 Difference]: Without dead ends: 1314
[2020-11-28 03:08:31,149 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
[2020-11-28 03:08:31,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states.
[2020-11-28 03:08:31,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052.
[2020-11-28 03:08:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states.
[2020-11-28 03:08:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1268 transitions.
[2020-11-28 03:08:31,204 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1268 transitions. Word has length 129
[2020-11-28 03:08:31,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:31,205 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1268 transitions.
[2020-11-28 03:08:31,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1268 transitions.
[2020-11-28 03:08:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2020-11-28 03:08:31,211 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:31,211 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2020-11-28 03:08:31,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-28 03:08:31,212 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:31,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:31,213 INFO L82 PathProgramCache]: Analyzing trace with hash -784284721, now seen corresponding path program 1 times
[2020-11-28 03:08:31,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:31,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047328235]
[2020-11-28 03:08:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2020-11-28 03:08:31,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047328235]
[2020-11-28 03:08:31,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158469676]
[2020-11-28 03:08:31,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/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
[2020-11-28 03:08:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:31,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:08:31,614 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:08:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2020-11-28 03:08:31,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:08:31,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2020-11-28 03:08:31,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765894701]
[2020-11-28 03:08:31,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:31,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:31,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:31,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:31,869 INFO L87 Difference]: Start difference. First operand 1052 states and 1268 transitions. Second operand 3 states.
[2020-11-28 03:08:32,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:32,687 INFO L93 Difference]: Finished difference Result 3019 states and 3665 transitions.
[2020-11-28 03:08:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:32,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135
[2020-11-28 03:08:32,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:32,705 INFO L225 Difference]: With dead ends: 3019
[2020-11-28 03:08:32,705 INFO L226 Difference]: Without dead ends: 1969
[2020-11-28 03:08:32,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:32,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states.
[2020-11-28 03:08:32,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969.
[2020-11-28 03:08:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states.
[2020-11-28 03:08:32,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2307 transitions.
[2020-11-28 03:08:32,811 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2307 transitions. Word has length 135
[2020-11-28 03:08:32,813 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:32,813 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2307 transitions.
[2020-11-28 03:08:32,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2307 transitions.
[2020-11-28 03:08:32,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-11-28 03:08:32,820 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:32,821 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2020-11-28 03:08:33,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2020-11-28 03:08:33,051 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:33,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:33,051 INFO L82 PathProgramCache]: Analyzing trace with hash -728514295, now seen corresponding path program 1 times
[2020-11-28 03:08:33,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:33,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159339563]
[2020-11-28 03:08:33,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2020-11-28 03:08:33,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159339563]
[2020-11-28 03:08:33,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818259043]
[2020-11-28 03:08:33,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:08:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:33,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:08:33,329 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:08:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2020-11-28 03:08:33,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:08:33,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2020-11-28 03:08:33,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154608525]
[2020-11-28 03:08:33,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:33,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:33,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:33,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:33,397 INFO L87 Difference]: Start difference. First operand 1969 states and 2307 transitions. Second operand 3 states.
[2020-11-28 03:08:34,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:34,193 INFO L93 Difference]: Finished difference Result 4329 states and 5115 transitions.
[2020-11-28 03:08:34,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:34,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147
[2020-11-28 03:08:34,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:34,213 INFO L225 Difference]: With dead ends: 4329
[2020-11-28 03:08:34,214 INFO L226 Difference]: Without dead ends: 2362
[2020-11-28 03:08:34,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:34,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states.
[2020-11-28 03:08:34,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100.
[2020-11-28 03:08:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states.
[2020-11-28 03:08:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2462 transitions.
[2020-11-28 03:08:34,288 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2462 transitions. Word has length 147
[2020-11-28 03:08:34,288 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:34,288 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2462 transitions.
[2020-11-28 03:08:34,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:34,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2462 transitions.
[2020-11-28 03:08:34,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-11-28 03:08:34,295 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:34,295 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:08:34,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:08:34,513 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:34,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:34,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1058769664, now seen corresponding path program 1 times
[2020-11-28 03:08:34,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:34,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317953964]
[2020-11-28 03:08:34,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked.
[2020-11-28 03:08:34,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317953964]
[2020-11-28 03:08:34,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870368636]
[2020-11-28 03:08:34,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:08:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:34,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:08:34,825 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:08:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2020-11-28 03:08:34,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:08:34,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2020-11-28 03:08:34,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647737265]
[2020-11-28 03:08:34,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:34,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:34,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:34,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:34,890 INFO L87 Difference]: Start difference. First operand 2100 states and 2462 transitions. Second operand 3 states.
[2020-11-28 03:08:35,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:35,701 INFO L93 Difference]: Finished difference Result 4329 states and 5077 transitions.
[2020-11-28 03:08:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:35,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154
[2020-11-28 03:08:35,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:35,717 INFO L225 Difference]: With dead ends: 4329
[2020-11-28 03:08:35,718 INFO L226 Difference]: Without dead ends: 2231
[2020-11-28 03:08:35,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:35,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states.
[2020-11-28 03:08:35,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231.
[2020-11-28 03:08:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states.
[2020-11-28 03:08:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2536 transitions.
[2020-11-28 03:08:35,805 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2536 transitions. Word has length 154
[2020-11-28 03:08:35,805 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:35,805 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2536 transitions.
[2020-11-28 03:08:35,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:35,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2536 transitions.
[2020-11-28 03:08:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-11-28 03:08:35,812 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:35,813 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2020-11-28 03:08:36,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:08:36,035 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:36,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:36,035 INFO L82 PathProgramCache]: Analyzing trace with hash -781255763, now seen corresponding path program 1 times
[2020-11-28 03:08:36,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:36,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232403529]
[2020-11-28 03:08:36,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 67 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked.
[2020-11-28 03:08:36,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232403529]
[2020-11-28 03:08:36,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452342475]
[2020-11-28 03:08:36,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:08:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:36,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:08:36,293 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:08:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2020-11-28 03:08:36,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:08:36,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2020-11-28 03:08:36,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995031750]
[2020-11-28 03:08:36,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:36,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:36,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:36,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:36,342 INFO L87 Difference]: Start difference. First operand 2231 states and 2536 transitions. Second operand 3 states.
[2020-11-28 03:08:37,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:37,051 INFO L93 Difference]: Finished difference Result 5508 states and 6295 transitions.
[2020-11-28 03:08:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:37,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163
[2020-11-28 03:08:37,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:37,074 INFO L225 Difference]: With dead ends: 5508
[2020-11-28 03:08:37,075 INFO L226 Difference]: Without dead ends: 3279
[2020-11-28 03:08:37,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:37,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states.
[2020-11-28 03:08:37,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2755.
[2020-11-28 03:08:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states.
[2020-11-28 03:08:37,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3124 transitions.
[2020-11-28 03:08:37,161 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3124 transitions. Word has length 163
[2020-11-28 03:08:37,161 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:37,161 INFO L481 AbstractCegarLoop]: Abstraction has 2755 states and 3124 transitions.
[2020-11-28 03:08:37,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:37,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3124 transitions.
[2020-11-28 03:08:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2020-11-28 03:08:37,171 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:37,171 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2020-11-28 03:08:37,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:08:37,399 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:37,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:37,399 INFO L82 PathProgramCache]: Analyzing trace with hash -308442483, now seen corresponding path program 1 times
[2020-11-28 03:08:37,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:37,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967683255]
[2020-11-28 03:08:37,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked.
[2020-11-28 03:08:37,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967683255]
[2020-11-28 03:08:37,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100083688]
[2020-11-28 03:08:37,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:08:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:37,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:08:37,661 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:08:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2020-11-28 03:08:37,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:08:37,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2020-11-28 03:08:37,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895424215]
[2020-11-28 03:08:37,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:37,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:37,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:37,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:37,753 INFO L87 Difference]: Start difference. First operand 2755 states and 3124 transitions. Second operand 3 states.
[2020-11-28 03:08:38,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:38,483 INFO L93 Difference]: Finished difference Result 6032 states and 6829 transitions.
[2020-11-28 03:08:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:38,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166
[2020-11-28 03:08:38,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:38,503 INFO L225 Difference]: With dead ends: 6032
[2020-11-28 03:08:38,504 INFO L226 Difference]: Without dead ends: 3148
[2020-11-28 03:08:38,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:38,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states.
[2020-11-28 03:08:38,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2362.
[2020-11-28 03:08:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states.
[2020-11-28 03:08:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2604 transitions.
[2020-11-28 03:08:38,581 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2604 transitions. Word has length 166
[2020-11-28 03:08:38,582 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:38,582 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2604 transitions.
[2020-11-28 03:08:38,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2604 transitions.
[2020-11-28 03:08:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2020-11-28 03:08:38,591 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-28 03:08:38,591 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:08:38,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2020-11-28 03:08:38,807 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:08:38,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:08:38,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1961853284, now seen corresponding path program 1 times
[2020-11-28 03:08:38,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:08:38,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457070656]
[2020-11-28 03:08:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:08:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2020-11-28 03:08:38,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457070656]
[2020-11-28 03:08:38,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131876017]
[2020-11-28 03:08:38,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/z3
Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:08:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:08:39,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:08:39,151 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:08:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2020-11-28 03:08:39,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:08:39,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2020-11-28 03:08:39,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000388481]
[2020-11-28 03:08:39,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:08:39,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:08:39,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:08:39,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:39,225 INFO L87 Difference]: Start difference. First operand 2362 states and 2604 transitions. Second operand 3 states.
[2020-11-28 03:08:39,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:08:39,845 INFO L93 Difference]: Finished difference Result 4458 states and 4930 transitions.
[2020-11-28 03:08:39,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-28 03:08:39,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223
[2020-11-28 03:08:39,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:08:39,847 INFO L225 Difference]: With dead ends: 4458
[2020-11-28 03:08:39,847 INFO L226 Difference]: Without dead ends: 0
[2020-11-28 03:08:39,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:08:39,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-11-28 03:08:39,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-11-28 03:08:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-11-28 03:08:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-11-28 03:08:39,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223
[2020-11-28 03:08:39,853 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:08:39,853 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-11-28 03:08:39,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:08:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-11-28 03:08:39,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-11-28 03:08:40,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:08:40,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-11-28 03:08:40,715 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37
[2020-11-28 03:08:41,080 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37
[2020-11-28 03:08:41,084 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed.
[2020-11-28 03:08:41,084 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed.
[2020-11-28 03:08:41,084 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed.
[2020-11-28 03:08:41,084 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed.
[2020-11-28 03:08:41,084 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed.
[2020-11-28 03:08:41,084 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,085 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,086 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,086 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed.
[2020-11-28 03:08:41,086 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed.
[2020-11-28 03:08:41,086 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed.
[2020-11-28 03:08:41,086 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed.
[2020-11-28 03:08:41,086 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed.
[2020-11-28 03:08:41,087 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed.
[2020-11-28 03:08:41,087 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,087 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,087 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,087 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,087 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,088 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,088 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,088 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,088 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,088 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,089 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,089 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,089 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,089 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed.
[2020-11-28 03:08:41,089 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed.
[2020-11-28 03:08:41,089 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed.
[2020-11-28 03:08:41,090 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed.
[2020-11-28 03:08:41,090 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed.
[2020-11-28 03:08:41,090 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed.
[2020-11-28 03:08:41,090 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,090 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,090 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,091 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,091 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,091 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,091 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,091 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,091 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,092 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,092 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,092 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,092 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,092 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed.
[2020-11-28 03:08:41,093 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed.
[2020-11-28 03:08:41,093 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed.
[2020-11-28 03:08:41,093 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed.
[2020-11-28 03:08:41,093 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed.
[2020-11-28 03:08:41,093 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed.
[2020-11-28 03:08:41,093 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,094 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,094 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,094 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed.
[2020-11-28 03:08:41,094 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,094 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,094 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,095 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,095 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,095 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,095 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,095 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,096 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,096 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,096 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed.
[2020-11-28 03:08:41,096 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed.
[2020-11-28 03:08:41,096 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed.
[2020-11-28 03:08:41,096 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed.
[2020-11-28 03:08:41,097 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed.
[2020-11-28 03:08:41,097 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed.
[2020-11-28 03:08:41,097 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,097 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,097 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,097 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,097 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,097 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,098 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,098 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,098 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,098 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,098 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed.
[2020-11-28 03:08:41,098 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed.
[2020-11-28 03:08:41,098 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed.
[2020-11-28 03:08:41,098 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed.
[2020-11-28 03:08:41,099 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed.
[2020-11-28 03:08:41,099 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed.
[2020-11-28 03:08:41,099 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,099 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,099 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,099 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,100 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,100 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,100 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed.
[2020-11-28 03:08:41,100 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,100 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,100 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,101 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,101 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,101 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2020-11-28 03:08:41,101 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,101 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,101 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed.
[2020-11-28 03:08:41,102 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed.
[2020-11-28 03:08:41,102 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed.
[2020-11-28 03:08:41,102 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed.
[2020-11-28 03:08:41,102 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed.
[2020-11-28 03:08:41,102 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed.
[2020-11-28 03:08:41,103 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,103 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse4 (= ~a20~0 1)) (.cse5 (<= ~a8~0 14)) (.cse1 (<= ~a7~0 0)) (.cse2 (<= 15 ~a8~0)) (.cse7 (= ~a21~0 1)) (.cse6 (<= ~a16~0 5)) (.cse8 (= ~a17~0 1)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4) (and .cse5 .cse4) (and .cse6 .cse0 .cse3) (and .cse5 .cse6 .cse3) (and .cse7 (= ~a12~0 8) .cse1 .cse4 .cse8) (and .cse0 .cse4 (<= 5 ~a16~0)) (and .cse5 .cse6 (<= ~a21~0 0)) (and .cse7 .cse1 .cse8 .cse2 .cse3) (and .cse7 .cse6 .cse8 .cse3)))
[2020-11-28 03:08:41,103 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,103 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,104 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,104 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,104 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,104 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,104 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed.
[2020-11-28 03:08:41,105 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed.
[2020-11-28 03:08:41,105 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed.
[2020-11-28 03:08:41,105 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed.
[2020-11-28 03:08:41,105 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed.
[2020-11-28 03:08:41,105 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,105 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,106 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,106 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,106 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,106 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,106 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-11-28 03:08:41,106 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,107 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true
[2020-11-28 03:08:41,107 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,107 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,107 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,107 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,107 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,108 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,108 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,108 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,108 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed.
[2020-11-28 03:08:41,108 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed.
[2020-11-28 03:08:41,109 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed.
[2020-11-28 03:08:41,109 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed.
[2020-11-28 03:08:41,109 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed.
[2020-11-28 03:08:41,109 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,109 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-11-28 03:08:41,109 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,110 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,110 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,110 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,110 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,110 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,110 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,111 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,111 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed.
[2020-11-28 03:08:41,111 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed.
[2020-11-28 03:08:41,111 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed.
[2020-11-28 03:08:41,111 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed.
[2020-11-28 03:08:41,111 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed.
[2020-11-28 03:08:41,112 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,112 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,112 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,112 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,112 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,113 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,113 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,113 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse4 (= ~a20~0 1)) (.cse5 (<= ~a8~0 14)) (.cse1 (<= ~a7~0 0)) (.cse2 (<= 15 ~a8~0)) (.cse7 (= ~a21~0 1)) (.cse6 (<= ~a16~0 5)) (.cse8 (= ~a17~0 1)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4) (and .cse5 .cse4) (and .cse6 .cse0 .cse3) (and .cse5 .cse6 .cse3) (and .cse7 (= ~a12~0 8) .cse1 .cse4 .cse8) (and .cse0 .cse4 (<= 5 ~a16~0)) (and .cse5 .cse6 (<= ~a21~0 0)) (and .cse7 .cse1 .cse8 .cse2 .cse3) (and .cse7 .cse6 .cse8 .cse3)))
[2020-11-28 03:08:41,113 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,113 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,114 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,114 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,114 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,114 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2020-11-28 03:08:41,114 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed.
[2020-11-28 03:08:41,115 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed.
[2020-11-28 03:08:41,115 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed.
[2020-11-28 03:08:41,115 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed.
[2020-11-28 03:08:41,115 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed.
[2020-11-28 03:08:41,115 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed.
[2020-11-28 03:08:41,116 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,116 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,116 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,116 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,116 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,116 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,117 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed.
[2020-11-28 03:08:41,117 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,117 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,117 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,117 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed.
[2020-11-28 03:08:41,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:08:41 BoogieIcfgContainer
[2020-11-28 03:08:41,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-28 03:08:41,144 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2020-11-28 03:08:41,144 INFO L271 PluginConnector]: Initializing Witness Printer...
[2020-11-28 03:08:41,144 INFO L275 PluginConnector]: Witness Printer initialized
[2020-11-28 03:08:41,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:24" (3/4) ...
[2020-11-28 03:08:41,148 INFO L137 WitnessPrinter]: Generating witness for correct program
[2020-11-28 03:08:41,174 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2020-11-28 03:08:41,176 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2020-11-28 03:08:41,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2020-11-28 03:08:41,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2020-11-28 03:08:41,410 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0fe72fa5-a2c8-4ed9-ab12-7be6c90314cf/bin/uautomizer/witness.graphml
[2020-11-28 03:08:41,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-11-28 03:08:41,412 INFO L168 Benchmark]: Toolchain (without parser) took 19495.75 ms. Allocated memory was 94.4 MB in the beginning and 339.7 MB in the end (delta: 245.4 MB). Free memory was 64.6 MB in the beginning and 261.8 MB in the end (delta: -197.2 MB). Peak memory consumption was 47.1 MB. Max. memory is 16.1 GB.
[2020-11-28 03:08:41,412 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 52.2 MB in the beginning and 52.1 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2020-11-28 03:08:41,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.48 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 54.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2020-11-28 03:08:41,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.32 ms. Allocated memory is still 94.4 MB. Free memory was 54.9 MB in the beginning and 49.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2020-11-28 03:08:41,414 INFO L168 Benchmark]: Boogie Preprocessor took 111.27 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 49.4 MB in the beginning and 89.3 MB in the end (delta: -39.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB.
[2020-11-28 03:08:41,414 INFO L168 Benchmark]: RCFGBuilder took 1693.29 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 39.9 MB in the end (delta: 49.4 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB.
[2020-11-28 03:08:41,415 INFO L168 Benchmark]: TraceAbstraction took 16491.31 ms. Allocated memory was 115.3 MB in the beginning and 339.7 MB in the end (delta: 224.4 MB). Free memory was 39.9 MB in the beginning and 277.6 MB in the end (delta: -237.6 MB). Peak memory consumption was 124.2 MB. Max. memory is 16.1 GB.
[2020-11-28 03:08:41,415 INFO L168 Benchmark]: Witness Printer took 267.43 ms. Allocated memory is still 339.7 MB. Free memory was 277.6 MB in the beginning and 261.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2020-11-28 03:08:41,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 52.2 MB in the beginning and 52.1 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 813.48 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 54.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 108.32 ms. Allocated memory is still 94.4 MB. Free memory was 54.9 MB in the beginning and 49.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 111.27 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 49.4 MB in the beginning and 89.3 MB in the end (delta: -39.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1693.29 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 39.9 MB in the end (delta: 49.4 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 16491.31 ms. Allocated memory was 115.3 MB in the beginning and 339.7 MB in the end (delta: 224.4 MB). Free memory was 39.9 MB in the beginning and 277.6 MB in the end (delta: -237.6 MB). Peak memory consumption was 124.2 MB. Max. memory is 16.1 GB.
* Witness Printer took 267.43 ms. Allocated memory is still 339.7 MB. Free memory was 277.6 MB in the beginning and 261.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 40]: Loop Invariant
Derived loop invariant: (((((((((((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0) || ((a17 <= 0 && a7 <= 0) && a20 == 1)) || (a8 <= 14 && a20 == 1)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || ((((a21 == 1 && a12 == 8) && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a17 <= 0 && a20 == 1) && 5 <= a16)) || ((a8 <= 14 && a16 <= 5) && a21 <= 0)) || ((((a21 == 1 && a7 <= 0) && a17 == 1) && 15 <= a8) && a20 <= 0)) || (((a21 == 1 && a16 <= 5) && a17 == 1) && a20 <= 0)
- InvariantResult [Line: 587]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 593]: Loop Invariant
Derived loop invariant: (((((((((((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0) || ((a17 <= 0 && a7 <= 0) && a20 == 1)) || (a8 <= 14 && a20 == 1)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || ((((a21 == 1 && a12 == 8) && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a17 <= 0 && a20 == 1) && 5 <= a16)) || ((a8 <= 14 && a16 <= 5) && a21 <= 0)) || ((((a21 == 1 && a7 <= 0) && a17 == 1) && 15 <= a8) && a20 <= 0)) || (((a21 == 1 && a16 <= 5) && a17 == 1) && a20 <= 0)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 943 SDtfs, 996 SDslu, 63 SDs, 0 SdLazy, 3750 SolverSat, 568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1012 GetRequests, 988 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2755occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 2096 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 233 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1374 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 462 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2547 NumberOfCodeBlocks, 2547 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2530 ConstructedInterpolants, 0 QuantifiedInterpolants, 929517 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2258 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1580/1598 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 correct!
Received shutdown request...