./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD --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 eca4fa24c7d17d702b457b7d1d0ed6513492942e324299a6e335f63078cc8b55
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:02:45,730 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:02:45,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:02:45,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:02:45,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:02:45,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:02:45,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:02:45,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:02:45,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:02:45,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:02:45,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:02:45,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:02:45,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:02:45,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:02:45,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:02:45,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:02:45,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:02:45,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:02:45,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:02:45,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:02:45,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:02:45,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:02:45,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:02:45,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:02:45,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:02:45,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:02:45,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:02:45,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:02:45,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:02:45,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:02:45,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:02:45,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:02:45,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:02:45,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:02:45,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:02:45,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:02:45,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:02:45,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:02:45,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:02:45,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:02:45,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:02:45,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-28 23:02:45,973 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:02:45,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:02:45,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:02:45,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:02:45,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:02:45,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:02:45,985 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:02:45,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:02:45,986 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:02:45,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:02:45,988 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:02:45,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:02:45,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 23:02:45,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:02:45,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 23:02:45,989 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:02:45,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:02:45,990 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:02:45,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-28 23:02:45,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:02:45,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:02:45,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-28 23:02:45,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:02:45,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:02:45,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:02:45,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 23:02:45,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:02:45,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:02:45,993 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-10-28 23:02:45,995 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-28 23:02:45,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 23:02:45,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:02:45,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca4fa24c7d17d702b457b7d1d0ed6513492942e324299a6e335f63078cc8b55
[2021-10-28 23:02:46,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:02:46,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:02:46,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:02:46,410 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:02:46,411 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:02:46,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c
[2021-10-28 23:02:46,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/data/614de89ce/011afbf87e6342cfa42417cdf66d9daf/FLAGf8d7f904f
[2021-10-28 23:02:47,333 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:02:47,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/sv-benchmarks/c/eca-rers2012/Problem14_label17.c
[2021-10-28 23:02:47,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/data/614de89ce/011afbf87e6342cfa42417cdf66d9daf/FLAGf8d7f904f
[2021-10-28 23:02:47,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/data/614de89ce/011afbf87e6342cfa42417cdf66d9daf
[2021-10-28 23:02:47,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:02:47,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:02:47,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:02:47,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:02:47,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:02:47,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:47" (1/1) ...
[2021-10-28 23:02:47,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2625acac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:47, skipping insertion in model container
[2021-10-28 23:02:47,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:47" (1/1) ...
[2021-10-28 23:02:47,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:02:47,649 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:02:47,954 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759]
[2021-10-28 23:02:48,197 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:02:48,210 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:02:48,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759]
[2021-10-28 23:02:48,444 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:02:48,475 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:02:48,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48 WrapperNode
[2021-10-28 23:02:48,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:02:48,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:02:48,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:02:48,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:02:48,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:02:48,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:02:48,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:02:48,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:02:48,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:02:48,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:02:48,803 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:02:48,803 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:02:48,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (1/1) ...
[2021-10-28 23:02:48,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:02:48,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:48,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:48,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:02:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:02:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:02:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:02:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:02:50,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:02:50,769 INFO L299 CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-28 23:02:50,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:50 BoogieIcfgContainer
[2021-10-28 23:02:50,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:02:50,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:02:50,801 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:02:50,806 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:02:50,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:02:47" (1/3) ...
[2021-10-28 23:02:50,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730dcc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:02:50, skipping insertion in model container
[2021-10-28 23:02:50,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:48" (2/3) ...
[2021-10-28 23:02:50,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730dcc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:02:50, skipping insertion in model container
[2021-10-28 23:02:50,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:50" (3/3) ...
[2021-10-28 23:02:50,811 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label17.c
[2021-10-28 23:02:50,819 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:02:50,819 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-28 23:02:50,902 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:02:50,912 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 23:02:50,912 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-28 23:02:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2021-10-28 23:02:50,962 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:02:50,963 INFO L513 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]
[2021-10-28 23:02:50,964 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:50,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:50,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times
[2021-10-28 23:02:50,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:50,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395597634]
[2021-10-28 23:02:50,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:50,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:02:51,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:51,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395597634]
[2021-10-28 23:02:51,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395597634] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:02:51,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:02:51,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:02:51,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832764728]
[2021-10-28 23:02:51,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:02:51,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:51,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:02:51,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:02:51,500 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:52,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:52,870 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions.
[2021-10-28 23:02:52,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:02:52,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56
[2021-10-28 23:02:52,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:52,902 INFO L225 Difference]: With dead ends: 669
[2021-10-28 23:02:52,903 INFO L226 Difference]: Without dead ends: 360
[2021-10-28 23:02:52,916 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:02:52,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states.
[2021-10-28 23:02:53,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360.
[2021-10-28 23:02:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.5208913649025069) internal successors, (546), 359 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions.
[2021-10-28 23:02:53,009 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 56
[2021-10-28 23:02:53,009 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:53,010 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions.
[2021-10-28 23:02:53,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions.
[2021-10-28 23:02:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132
[2021-10-28 23:02:53,019 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:02:53,020 INFO L513 BasicCegarLoop]: trace histogram [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, 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]
[2021-10-28 23:02:53,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 23:02:53,020 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:53,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:53,022 INFO L85 PathProgramCache]: Analyzing trace with hash 448247055, now seen corresponding path program 1 times
[2021-10-28 23:02:53,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:53,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64978728]
[2021-10-28 23:02:53,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:53,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:02:53,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:53,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64978728]
[2021-10-28 23:02:53,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64978728] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:02:53,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:02:53,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:02:53,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107413962]
[2021-10-28 23:02:53,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:02:53,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:53,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:02:53,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:02:53,226 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:54,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:54,210 INFO L93 Difference]: Finished difference Result 1074 states and 1633 transitions.
[2021-10-28 23:02:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:02:54,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131
[2021-10-28 23:02:54,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:54,218 INFO L225 Difference]: With dead ends: 1074
[2021-10-28 23:02:54,218 INFO L226 Difference]: Without dead ends: 716
[2021-10-28 23:02:54,220 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:02:54,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states.
[2021-10-28 23:02:54,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716.
[2021-10-28 23:02:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 1.353846153846154) internal successors, (968), 715 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions.
[2021-10-28 23:02:54,286 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 131
[2021-10-28 23:02:54,287 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:54,287 INFO L470 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions.
[2021-10-28 23:02:54,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions.
[2021-10-28 23:02:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2021-10-28 23:02:54,307 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:02:54,308 INFO L513 BasicCegarLoop]: trace histogram [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, 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]
[2021-10-28 23:02:54,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 23:02:54,309 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:54,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:54,316 INFO L85 PathProgramCache]: Analyzing trace with hash -596921339, now seen corresponding path program 1 times
[2021-10-28 23:02:54,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:54,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100930571]
[2021-10-28 23:02:54,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:54,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:02:54,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:54,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100930571]
[2021-10-28 23:02:54,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100930571] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:02:54,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:02:54,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:02:54,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572455203]
[2021-10-28 23:02:54,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 23:02:54,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:54,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 23:02:54,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-28 23:02:54,584 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:55,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:55,942 INFO L93 Difference]: Finished difference Result 1964 states and 2570 transitions.
[2021-10-28 23:02:55,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 23:02:55,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135
[2021-10-28 23:02:55,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:55,956 INFO L225 Difference]: With dead ends: 1964
[2021-10-28 23:02:55,956 INFO L226 Difference]: Without dead ends: 1250
[2021-10-28 23:02:55,958 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:02:55,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states.
[2021-10-28 23:02:55,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250.
[2021-10-28 23:02:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 1.2361889511609288) internal successors, (1544), 1249 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions.
[2021-10-28 23:02:56,002 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 135
[2021-10-28 23:02:56,002 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:56,003 INFO L470 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions.
[2021-10-28 23:02:56,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions.
[2021-10-28 23:02:56,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2021-10-28 23:02:56,011 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:02:56,011 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:56,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-28 23:02:56,012 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:56,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:56,013 INFO L85 PathProgramCache]: Analyzing trace with hash -452523719, now seen corresponding path program 1 times
[2021-10-28 23:02:56,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:56,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791638691]
[2021-10-28 23:02:56,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:56,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2021-10-28 23:02:56,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:56,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791638691]
[2021-10-28 23:02:56,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791638691] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:02:56,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:02:56,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:02:56,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261723846]
[2021-10-28 23:02:56,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 23:02:56,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:56,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 23:02:56,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 23:02:56,170 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:57,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:57,193 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions.
[2021-10-28 23:02:57,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 23:02:57,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215
[2021-10-28 23:02:57,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:57,206 INFO L225 Difference]: With dead ends: 2705
[2021-10-28 23:02:57,207 INFO L226 Difference]: Without dead ends: 1606
[2021-10-28 23:02:57,209 INFO L786 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
[2021-10-28 23:02:57,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states.
[2021-10-28 23:02:57,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606.
[2021-10-28 23:02:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.1221183800623054) internal successors, (1801), 1605 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions.
[2021-10-28 23:02:57,271 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 215
[2021-10-28 23:02:57,271 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:57,272 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions.
[2021-10-28 23:02:57,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:57,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions.
[2021-10-28 23:02:57,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343
[2021-10-28 23:02:57,279 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:02:57,280 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:57,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-28 23:02:57,281 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:57,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:57,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1042976344, now seen corresponding path program 1 times
[2021-10-28 23:02:57,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:57,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756307468]
[2021-10-28 23:02:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:57,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 209 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2021-10-28 23:02:57,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:57,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756307468]
[2021-10-28 23:02:57,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756307468] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:57,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840333717]
[2021-10-28 23:02:57,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:57,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:57,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:57,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:57,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-10-28 23:02:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:57,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-28 23:02:57,828 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked.
[2021-10-28 23:02:59,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840333717] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:02:59,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 23:02:59,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2021-10-28 23:02:59,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892476867]
[2021-10-28 23:02:59,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:02:59,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:59,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:02:59,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:02:59,111 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:02:59,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:59,933 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions.
[2021-10-28 23:02:59,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:02:59,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 342
[2021-10-28 23:02:59,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:59,953 INFO L225 Difference]: With dead ends: 3388
[2021-10-28 23:02:59,954 INFO L226 Difference]: Without dead ends: 1962
[2021-10-28 23:02:59,956 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:02:59,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states.
[2021-10-28 23:03:00,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784.
[2021-10-28 23:03:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.1318003365114975) internal successors, (2018), 1783 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions.
[2021-10-28 23:03:00,017 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 342
[2021-10-28 23:03:00,018 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:00,018 INFO L470 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions.
[2021-10-28 23:03:00,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:00,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions.
[2021-10-28 23:03:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347
[2021-10-28 23:03:00,026 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:00,027 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:03:00,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-10-28 23:03:00,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:00,250 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:00,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:00,251 INFO L85 PathProgramCache]: Analyzing trace with hash 246905886, now seen corresponding path program 1 times
[2021-10-28 23:03:00,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:00,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534653417]
[2021-10-28 23:03:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:00,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2021-10-28 23:03:00,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:00,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534653417]
[2021-10-28 23:03:00,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534653417] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:00,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:03:00,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:03:00,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776685549]
[2021-10-28 23:03:00,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:00,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:00,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:00,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:03:00,462 INFO L87 Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:01,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:01,263 INFO L93 Difference]: Finished difference Result 3744 states and 4282 transitions.
[2021-10-28 23:03:01,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:01,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 346
[2021-10-28 23:03:01,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:01,280 INFO L225 Difference]: With dead ends: 3744
[2021-10-28 23:03:01,280 INFO L226 Difference]: Without dead ends: 2140
[2021-10-28 23:03:01,283 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:03:01,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states.
[2021-10-28 23:03:01,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140.
[2021-10-28 23:03:01,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2139 states have (on average 1.1280972417017299) internal successors, (2413), 2139 states have internal predecessors, (2413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2413 transitions.
[2021-10-28 23:03:01,361 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2413 transitions. Word has length 346
[2021-10-28 23:03:01,361 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:01,362 INFO L470 AbstractCegarLoop]: Abstraction has 2140 states and 2413 transitions.
[2021-10-28 23:03:01,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2413 transitions.
[2021-10-28 23:03:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374
[2021-10-28 23:03:01,372 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:01,372 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1]
[2021-10-28 23:03:01,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-28 23:03:01,373 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:01,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:01,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1148447004, now seen corresponding path program 1 times
[2021-10-28 23:03:01,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:01,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649548311]
[2021-10-28 23:03:01,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:01,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2021-10-28 23:03:01,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:01,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649548311]
[2021-10-28 23:03:01,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649548311] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:01,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:03:01,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:03:01,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331980188]
[2021-10-28 23:03:01,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:01,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:01,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:01,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:03:01,626 INFO L87 Difference]: Start difference. First operand 2140 states and 2413 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:02,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:02,485 INFO L93 Difference]: Finished difference Result 4634 states and 5295 transitions.
[2021-10-28 23:03:02,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:02,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 373
[2021-10-28 23:03:02,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:02,506 INFO L225 Difference]: With dead ends: 4634
[2021-10-28 23:03:02,506 INFO L226 Difference]: Without dead ends: 2674
[2021-10-28 23:03:02,511 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:03:02,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states.
[2021-10-28 23:03:02,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674.
[2021-10-28 23:03:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2673 states have (on average 1.1208380097268986) internal successors, (2996), 2673 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2996 transitions.
[2021-10-28 23:03:02,601 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2996 transitions. Word has length 373
[2021-10-28 23:03:02,602 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:02,602 INFO L470 AbstractCegarLoop]: Abstraction has 2674 states and 2996 transitions.
[2021-10-28 23:03:02,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:02,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2996 transitions.
[2021-10-28 23:03:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381
[2021-10-28 23:03:02,613 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:02,614 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:03:02,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-28 23:03:02,615 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:02,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:02,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1347609353, now seen corresponding path program 1 times
[2021-10-28 23:03:02,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:02,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087693092]
[2021-10-28 23:03:02,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:02,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2021-10-28 23:03:02,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:02,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087693092]
[2021-10-28 23:03:02,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087693092] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:02,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969951150]
[2021-10-28 23:03:02,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:02,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:02,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:03:03,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:03:03,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-10-28 23:03:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:03,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-28 23:03:03,338 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:03:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2021-10-28 23:03:04,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969951150] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:04,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 23:03:04,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2021-10-28 23:03:04,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707428175]
[2021-10-28 23:03:04,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:04,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:04,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:04,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:03:04,478 INFO L87 Difference]: Start difference. First operand 2674 states and 2996 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:05,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:05,307 INFO L93 Difference]: Finished difference Result 6236 states and 7081 transitions.
[2021-10-28 23:03:05,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:05,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 380
[2021-10-28 23:03:05,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:05,334 INFO L225 Difference]: With dead ends: 6236
[2021-10-28 23:03:05,334 INFO L226 Difference]: Without dead ends: 3742
[2021-10-28 23:03:05,338 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:03:05,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states.
[2021-10-28 23:03:05,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742.
[2021-10-28 23:03:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.1242983159583) internal successors, (4206), 3741 states have internal predecessors, (4206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4206 transitions.
[2021-10-28 23:03:05,454 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4206 transitions. Word has length 380
[2021-10-28 23:03:05,455 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:05,455 INFO L470 AbstractCegarLoop]: Abstraction has 3742 states and 4206 transitions.
[2021-10-28 23:03:05,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4206 transitions.
[2021-10-28 23:03:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456
[2021-10-28 23:03:05,470 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:05,470 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:03:05,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2021-10-28 23:03:05,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:05,693 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:05,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:05,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1274381579, now seen corresponding path program 1 times
[2021-10-28 23:03:05,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:05,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302576057]
[2021-10-28 23:03:05,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:05,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked.
[2021-10-28 23:03:05,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:05,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302576057]
[2021-10-28 23:03:05,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302576057] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:05,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:03:05,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:03:05,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104684561]
[2021-10-28 23:03:05,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 23:03:05,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:05,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 23:03:05,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 23:03:05,953 INFO L87 Difference]: Start difference. First operand 3742 states and 4206 transitions. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:06,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:06,922 INFO L93 Difference]: Finished difference Result 7540 states and 8485 transitions.
[2021-10-28 23:03:06,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 23:03:06,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 455
[2021-10-28 23:03:06,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:06,947 INFO L225 Difference]: With dead ends: 7540
[2021-10-28 23:03:06,948 INFO L226 Difference]: Without dead ends: 3920
[2021-10-28 23:03:06,953 INFO L786 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
[2021-10-28 23:03:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states.
[2021-10-28 23:03:07,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3742.
[2021-10-28 23:03:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.083132852178562) internal successors, (4052), 3741 states have internal predecessors, (4052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4052 transitions.
[2021-10-28 23:03:07,077 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4052 transitions. Word has length 455
[2021-10-28 23:03:07,077 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:07,078 INFO L470 AbstractCegarLoop]: Abstraction has 3742 states and 4052 transitions.
[2021-10-28 23:03:07,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4052 transitions.
[2021-10-28 23:03:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482
[2021-10-28 23:03:07,084 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:07,085 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:03:07,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-10-28 23:03:07,086 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:07,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:07,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1801199018, now seen corresponding path program 1 times
[2021-10-28 23:03:07,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:07,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442611959]
[2021-10-28 23:03:07,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:07,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 520 proven. 11 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2021-10-28 23:03:07,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:07,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442611959]
[2021-10-28 23:03:07,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442611959] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:07,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353261444]
[2021-10-28 23:03:07,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:07,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:07,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:03:07,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:03:07,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-28 23:03:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:07,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-28 23:03:07,994 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:03:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked.
[2021-10-28 23:03:09,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353261444] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:09,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 23:03:09,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2021-10-28 23:03:09,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421833761]
[2021-10-28 23:03:09,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:09,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:09,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:09,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:09,539 INFO L87 Difference]: Start difference. First operand 3742 states and 4052 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:10,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:10,252 INFO L93 Difference]: Finished difference Result 7304 states and 7923 transitions.
[2021-10-28 23:03:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:10,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 481
[2021-10-28 23:03:10,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:10,277 INFO L225 Difference]: With dead ends: 7304
[2021-10-28 23:03:10,277 INFO L226 Difference]: Without dead ends: 3742
[2021-10-28 23:03:10,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:10,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states.
[2021-10-28 23:03:10,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742.
[2021-10-28 23:03:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.0737770649558942) internal successors, (4017), 3741 states have internal predecessors, (4017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:10,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4017 transitions.
[2021-10-28 23:03:10,402 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4017 transitions. Word has length 481
[2021-10-28 23:03:10,404 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:10,404 INFO L470 AbstractCegarLoop]: Abstraction has 3742 states and 4017 transitions.
[2021-10-28 23:03:10,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4017 transitions.
[2021-10-28 23:03:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536
[2021-10-28 23:03:10,412 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:10,413 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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]
[2021-10-28 23:03:10,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-28 23:03:10,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2021-10-28 23:03:10,630 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:10,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:10,631 INFO L85 PathProgramCache]: Analyzing trace with hash 120362576, now seen corresponding path program 1 times
[2021-10-28 23:03:10,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:10,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369657203]
[2021-10-28 23:03:10,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:10,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked.
[2021-10-28 23:03:10,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:10,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369657203]
[2021-10-28 23:03:10,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369657203] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:10,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:03:10,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:03:10,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880941923]
[2021-10-28 23:03:10,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:10,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:10,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:10,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:03:10,927 INFO L87 Difference]: Start difference. First operand 3742 states and 4017 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:11,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:11,645 INFO L93 Difference]: Finished difference Result 7660 states and 8277 transitions.
[2021-10-28 23:03:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:11,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 535
[2021-10-28 23:03:11,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:11,673 INFO L225 Difference]: With dead ends: 7660
[2021-10-28 23:03:11,673 INFO L226 Difference]: Without dead ends: 4098
[2021-10-28 23:03:11,678 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:03:11,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states.
[2021-10-28 23:03:11,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098.
[2021-10-28 23:03:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 4097 states have (on average 1.0785940932389553) internal successors, (4419), 4097 states have internal predecessors, (4419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4419 transitions.
[2021-10-28 23:03:11,786 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4419 transitions. Word has length 535
[2021-10-28 23:03:11,787 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:11,787 INFO L470 AbstractCegarLoop]: Abstraction has 4098 states and 4419 transitions.
[2021-10-28 23:03:11,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4419 transitions.
[2021-10-28 23:03:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547
[2021-10-28 23:03:11,817 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:11,818 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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]
[2021-10-28 23:03:11,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-10-28 23:03:11,820 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:11,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:11,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1311829144, now seen corresponding path program 1 times
[2021-10-28 23:03:11,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:11,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834837158]
[2021-10-28 23:03:11,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:11,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 463 proven. 68 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2021-10-28 23:03:12,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:12,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834837158]
[2021-10-28 23:03:12,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834837158] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:12,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839838400]
[2021-10-28 23:03:12,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:12,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:12,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:03:12,211 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:03:12,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-28 23:03:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:12,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-28 23:03:12,985 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:03:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked.
[2021-10-28 23:03:14,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839838400] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:14,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 23:03:14,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2021-10-28 23:03:14,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683275408]
[2021-10-28 23:03:14,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:14,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:14,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:14,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:14,843 INFO L87 Difference]: Start difference. First operand 4098 states and 4419 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:15,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:15,528 INFO L93 Difference]: Finished difference Result 5168 states and 5590 transitions.
[2021-10-28 23:03:15,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:15,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 546
[2021-10-28 23:03:15,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:15,561 INFO L225 Difference]: With dead ends: 5168
[2021-10-28 23:03:15,562 INFO L226 Difference]: Without dead ends: 5166
[2021-10-28 23:03:15,564 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:15,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states.
[2021-10-28 23:03:15,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4276.
[2021-10-28 23:03:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4276 states, 4275 states have (on average 1.08093567251462) internal successors, (4621), 4275 states have internal predecessors, (4621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4621 transitions.
[2021-10-28 23:03:15,676 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4621 transitions. Word has length 546
[2021-10-28 23:03:15,677 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:15,677 INFO L470 AbstractCegarLoop]: Abstraction has 4276 states and 4621 transitions.
[2021-10-28 23:03:15,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:15,678 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4621 transitions.
[2021-10-28 23:03:15,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589
[2021-10-28 23:03:15,688 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:15,689 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:03:15,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-28 23:03:15,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:15,904 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:15,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:15,905 INFO L85 PathProgramCache]: Analyzing trace with hash 538602375, now seen corresponding path program 1 times
[2021-10-28 23:03:15,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:15,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159280439]
[2021-10-28 23:03:15,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:15,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 943 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked.
[2021-10-28 23:03:16,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:16,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159280439]
[2021-10-28 23:03:16,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159280439] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:16,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224705349]
[2021-10-28 23:03:16,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:16,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:16,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:03:16,304 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:03:16,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-28 23:03:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:17,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-28 23:03:17,337 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:03:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked.
[2021-10-28 23:03:19,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224705349] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:19,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 23:03:19,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2021-10-28 23:03:19,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281615255]
[2021-10-28 23:03:19,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:19,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:19,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:19,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:19,030 INFO L87 Difference]: Start difference. First operand 4276 states and 4621 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:19,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:19,690 INFO L93 Difference]: Finished difference Result 5702 states and 6165 transitions.
[2021-10-28 23:03:19,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:19,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 588
[2021-10-28 23:03:19,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:19,705 INFO L225 Difference]: With dead ends: 5702
[2021-10-28 23:03:19,705 INFO L226 Difference]: Without dead ends: 5700
[2021-10-28 23:03:19,707 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:19,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states.
[2021-10-28 23:03:19,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 4276.
[2021-10-28 23:03:19,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4276 states, 4275 states have (on average 1.08093567251462) internal successors, (4621), 4275 states have internal predecessors, (4621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:19,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4621 transitions.
[2021-10-28 23:03:19,811 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4621 transitions. Word has length 588
[2021-10-28 23:03:19,812 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:19,813 INFO L470 AbstractCegarLoop]: Abstraction has 4276 states and 4621 transitions.
[2021-10-28 23:03:19,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4621 transitions.
[2021-10-28 23:03:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620
[2021-10-28 23:03:19,825 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:19,826 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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]
[2021-10-28 23:03:19,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-10-28 23:03:20,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:20,054 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:20,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:20,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1811126405, now seen corresponding path program 1 times
[2021-10-28 23:03:20,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:20,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161751340]
[2021-10-28 23:03:20,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:20,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 944 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked.
[2021-10-28 23:03:20,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:20,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161751340]
[2021-10-28 23:03:20,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161751340] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:20,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639880707]
[2021-10-28 23:03:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:20,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:20,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:03:20,517 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:03:20,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-10-28 23:03:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:21,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-28 23:03:21,637 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:03:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 1054 trivial. 0 not checked.
[2021-10-28 23:03:23,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639880707] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:23,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 23:03:23,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2021-10-28 23:03:23,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266591819]
[2021-10-28 23:03:23,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:23,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:23,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:23,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:23,206 INFO L87 Difference]: Start difference. First operand 4276 states and 4621 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:23,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:23,804 INFO L93 Difference]: Finished difference Result 5524 states and 5971 transitions.
[2021-10-28 23:03:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:23,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 619
[2021-10-28 23:03:23,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:23,818 INFO L225 Difference]: With dead ends: 5524
[2021-10-28 23:03:23,818 INFO L226 Difference]: Without dead ends: 5522
[2021-10-28 23:03:23,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:23,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states.
[2021-10-28 23:03:23,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 4276.
[2021-10-28 23:03:23,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4276 states, 4275 states have (on average 1.08093567251462) internal successors, (4621), 4275 states have internal predecessors, (4621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4621 transitions.
[2021-10-28 23:03:23,915 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4621 transitions. Word has length 619
[2021-10-28 23:03:23,916 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:23,916 INFO L470 AbstractCegarLoop]: Abstraction has 4276 states and 4621 transitions.
[2021-10-28 23:03:23,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4621 transitions.
[2021-10-28 23:03:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629
[2021-10-28 23:03:23,928 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:23,929 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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]
[2021-10-28 23:03:23,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-10-28 23:03:24,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2021-10-28 23:03:24,146 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:24,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:24,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1748481757, now seen corresponding path program 1 times
[2021-10-28 23:03:24,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:24,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576182704]
[2021-10-28 23:03:24,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:24,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 944 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked.
[2021-10-28 23:03:24,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:24,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576182704]
[2021-10-28 23:03:24,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576182704] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:24,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722943755]
[2021-10-28 23:03:24,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:24,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:24,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:03:24,573 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:03:24,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-10-28 23:03:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:25,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-10-28 23:03:25,863 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:03:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 955 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked.
[2021-10-28 23:03:31,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722943755] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:31,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 23:03:31,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7
[2021-10-28 23:03:31,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330984645]
[2021-10-28 23:03:31,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-28 23:03:31,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:31,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 23:03:31,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2021-10-28 23:03:31,183 INFO L87 Difference]: Start difference. First operand 4276 states and 4621 transitions. Second operand has 5 states, 5 states have (on average 73.4) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:32,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:32,039 INFO L93 Difference]: Finished difference Result 8906 states and 9634 transitions.
[2021-10-28 23:03:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 23:03:32,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.4) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 628
[2021-10-28 23:03:32,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:32,051 INFO L225 Difference]: With dead ends: 8906
[2021-10-28 23:03:32,051 INFO L226 Difference]: Without dead ends: 4810
[2021-10-28 23:03:32,057 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2021-10-28 23:03:32,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states.
[2021-10-28 23:03:32,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 3920.
[2021-10-28 23:03:32,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3920 states, 3919 states have (on average 1.073488134728247) internal successors, (4207), 3919 states have internal predecessors, (4207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4207 transitions.
[2021-10-28 23:03:32,146 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4207 transitions. Word has length 628
[2021-10-28 23:03:32,146 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:32,146 INFO L470 AbstractCegarLoop]: Abstraction has 3920 states and 4207 transitions.
[2021-10-28 23:03:32,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.4) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4207 transitions.
[2021-10-28 23:03:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933
[2021-10-28 23:03:32,209 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:32,210 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2021-10-28 23:03:32,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2021-10-28 23:03:32,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2021-10-28 23:03:32,411 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:32,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1439738851, now seen corresponding path program 1 times
[2021-10-28 23:03:32,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:32,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704200836]
[2021-10-28 23:03:32,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:32,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1906 proven. 155 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked.
[2021-10-28 23:03:32,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:32,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704200836]
[2021-10-28 23:03:32,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704200836] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:32,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906893988]
[2021-10-28 23:03:32,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:32,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:32,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:03:32,919 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:03:32,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-10-28 23:03:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:34,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-10-28 23:03:34,915 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:03:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1906 proven. 155 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked.
[2021-10-28 23:03:37,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906893988] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:37,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:03:37,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4
[2021-10-28 23:03:37,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300601393]
[2021-10-28 23:03:37,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 23:03:37,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:37,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 23:03:37,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 23:03:37,392 INFO L87 Difference]: Start difference. First operand 3920 states and 4207 transitions. Second operand has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:38,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:38,310 INFO L93 Difference]: Finished difference Result 9262 states and 9933 transitions.
[2021-10-28 23:03:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 23:03:38,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 932
[2021-10-28 23:03:38,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:38,324 INFO L225 Difference]: With dead ends: 9262
[2021-10-28 23:03:38,324 INFO L226 Difference]: Without dead ends: 5344
[2021-10-28 23:03:38,330 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 935 GetRequests, 933 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 23:03:38,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states.
[2021-10-28 23:03:38,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4810.
[2021-10-28 23:03:38,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4810 states, 4809 states have (on average 1.0731960906633395) internal successors, (5161), 4809 states have internal predecessors, (5161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:38,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 5161 transitions.
[2021-10-28 23:03:38,538 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 5161 transitions. Word has length 932
[2021-10-28 23:03:38,539 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:38,539 INFO L470 AbstractCegarLoop]: Abstraction has 4810 states and 5161 transitions.
[2021-10-28 23:03:38,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5161 transitions.
[2021-10-28 23:03:38,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1023
[2021-10-28 23:03:38,575 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:38,576 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:03:38,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2021-10-28 23:03:38,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2021-10-28 23:03:38,810 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:38,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1890752560, now seen corresponding path program 1 times
[2021-10-28 23:03:38,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:38,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605529088]
[2021-10-28 23:03:38,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:38,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3133 backedges. 1997 proven. 93 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked.
[2021-10-28 23:03:39,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:39,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605529088]
[2021-10-28 23:03:39,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605529088] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:39,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895745228]
[2021-10-28 23:03:39,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:39,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:03:39,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:03:39,518 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:03:39,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2021-10-28 23:03:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:41,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1270 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-10-28 23:03:41,636 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:03:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3133 backedges. 2090 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked.
[2021-10-28 23:03:44,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895745228] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:44,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 23:03:44,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2021-10-28 23:03:44,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459815544]
[2021-10-28 23:03:44,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:44,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:44,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:44,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:44,925 INFO L87 Difference]: Start difference. First operand 4810 states and 5161 transitions. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:45,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:45,441 INFO L93 Difference]: Finished difference Result 9974 states and 10685 transitions.
[2021-10-28 23:03:45,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:45,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1022
[2021-10-28 23:03:45,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:45,448 INFO L225 Difference]: With dead ends: 9974
[2021-10-28 23:03:45,449 INFO L226 Difference]: Without dead ends: 5166
[2021-10-28 23:03:45,457 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1025 GetRequests, 1021 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:03:45,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states.
[2021-10-28 23:03:45,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4988.
[2021-10-28 23:03:45,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4988 states, 4987 states have (on average 1.0715861239221978) internal successors, (5344), 4987 states have internal predecessors, (5344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5344 transitions.
[2021-10-28 23:03:45,584 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5344 transitions. Word has length 1022
[2021-10-28 23:03:45,584 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:45,585 INFO L470 AbstractCegarLoop]: Abstraction has 4988 states and 5344 transitions.
[2021-10-28 23:03:45,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5344 transitions.
[2021-10-28 23:03:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100
[2021-10-28 23:03:45,608 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:03:45,610 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:03:45,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2021-10-28 23:03:45,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2021-10-28 23:03:45,835 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:03:45,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:03:45,835 INFO L85 PathProgramCache]: Analyzing trace with hash -913502566, now seen corresponding path program 1 times
[2021-10-28 23:03:45,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:03:45,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115846586]
[2021-10-28 23:03:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:03:45,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:03:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:03:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3795 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 3310 trivial. 0 not checked.
[2021-10-28 23:03:46,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:03:46,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115846586]
[2021-10-28 23:03:46,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115846586] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:03:46,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:03:46,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:03:46,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293714626]
[2021-10-28 23:03:46,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:03:46,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:46,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:03:46,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:03:46,380 INFO L87 Difference]: Start difference. First operand 4988 states and 5344 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:47,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:47,137 INFO L93 Difference]: Finished difference Result 10328 states and 11054 transitions.
[2021-10-28 23:03:47,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:03:47,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1099
[2021-10-28 23:03:47,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:47,140 INFO L225 Difference]: With dead ends: 10328
[2021-10-28 23:03:47,140 INFO L226 Difference]: Without dead ends: 0
[2021-10-28 23:03:47,150 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:03:47,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-28 23:03:47,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-28 23:03:47,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:47,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-28 23:03:47,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1099
[2021-10-28 23:03:47,152 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:47,152 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 23:03:47,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:47,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-28 23:03:47,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-28 23:03:47,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:03:47,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-10-28 23:03:47,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-28 23:03:47,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:47,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:47,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:47,599 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,599 INFO L857 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed.
[2021-10-28 23:03:47,599 INFO L857 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,600 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,600 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,600 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,600 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,600 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,601 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,601 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,601 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed.
[2021-10-28 23:03:47,601 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed.
[2021-10-28 23:03:47,601 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed.
[2021-10-28 23:03:47,601 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,602 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,602 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,602 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,602 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,602 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,602 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,603 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed.
[2021-10-28 23:03:47,603 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed.
[2021-10-28 23:03:47,603 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed.
[2021-10-28 23:03:47,603 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,603 INFO L857 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,603 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,604 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,604 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,604 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,604 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,604 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,604 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,605 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed.
[2021-10-28 23:03:47,605 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed.
[2021-10-28 23:03:47,605 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed.
[2021-10-28 23:03:47,605 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,605 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,607 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,607 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,608 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,608 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,611 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,611 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed.
[2021-10-28 23:03:47,611 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed.
[2021-10-28 23:03:47,612 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed.
[2021-10-28 23:03:47,612 INFO L857 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,612 INFO L857 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,612 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,612 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,612 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,613 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,613 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,613 INFO L857 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,613 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,613 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed.
[2021-10-28 23:03:47,613 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed.
[2021-10-28 23:03:47,614 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed.
[2021-10-28 23:03:47,614 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,614 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,614 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,614 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,614 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,615 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,615 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,615 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed.
[2021-10-28 23:03:47,615 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed.
[2021-10-28 23:03:47,615 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed.
[2021-10-28 23:03:47,616 INFO L857 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,616 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,616 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,616 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,617 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,617 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,617 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,617 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,617 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,618 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed.
[2021-10-28 23:03:47,618 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed.
[2021-10-28 23:03:47,618 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed.
[2021-10-28 23:03:47,618 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,618 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,619 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,619 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-28 23:03:47,619 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,619 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,620 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,620 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,620 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed.
[2021-10-28 23:03:47,620 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed.
[2021-10-28 23:03:47,620 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed.
[2021-10-28 23:03:47,621 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,621 INFO L857 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,621 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,621 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,621 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,622 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,622 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,622 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,622 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,623 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed.
[2021-10-28 23:03:47,623 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed.
[2021-10-28 23:03:47,624 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed.
[2021-10-28 23:03:47,624 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,624 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,624 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,625 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,625 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,625 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,625 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,626 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed.
[2021-10-28 23:03:47,626 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed.
[2021-10-28 23:03:47,626 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed.
[2021-10-28 23:03:47,626 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-10-28 23:03:47,626 INFO L857 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,627 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed.
[2021-10-28 23:03:47,627 INFO L857 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,627 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,628 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,628 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,628 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,628 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,628 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,629 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,629 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,629 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed.
[2021-10-28 23:03:47,629 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed.
[2021-10-28 23:03:47,630 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed.
[2021-10-28 23:03:47,630 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,630 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,630 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,630 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,631 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,631 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,631 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed.
[2021-10-28 23:03:47,631 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed.
[2021-10-28 23:03:47,631 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed.
[2021-10-28 23:03:47,632 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,632 INFO L857 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,632 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,632 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,632 INFO L857 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,633 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,633 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,633 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,633 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,633 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,634 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed.
[2021-10-28 23:03:47,634 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed.
[2021-10-28 23:03:47,634 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed.
[2021-10-28 23:03:47,634 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,634 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,635 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,635 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,635 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,635 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,635 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,636 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed.
[2021-10-28 23:03:47,636 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed.
[2021-10-28 23:03:47,636 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed.
[2021-10-28 23:03:47,636 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,636 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,637 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,637 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,637 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,637 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,637 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,638 INFO L857 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,638 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed.
[2021-10-28 23:03:47,638 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed.
[2021-10-28 23:03:47,638 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed.
[2021-10-28 23:03:47,638 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,639 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,639 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,639 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,639 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,639 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,640 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,640 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed.
[2021-10-28 23:03:47,640 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed.
[2021-10-28 23:03:47,640 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,640 INFO L857 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,641 INFO L857 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,641 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,641 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,641 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,641 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,642 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,642 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-28 23:03:47,642 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed.
[2021-10-28 23:03:47,642 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed.
[2021-10-28 23:03:47,642 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,643 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,643 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,643 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,643 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,644 INFO L853 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (or (and .cse0 (<= 10 ~a21~0)) (and .cse0 (<= ~a21~0 8)) (and (<= 6 ~a15~0) .cse0) (and (<= ~a15~0 8) (<= ~a21~0 7) (<= (+ 49 ~a12~0) 0)) (and .cse0 (<= ~a12~0 78))))
[2021-10-28 23:03:47,644 INFO L857 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,644 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,644 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed.
[2021-10-28 23:03:47,645 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed.
[2021-10-28 23:03:47,645 INFO L857 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,645 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,645 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,646 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,646 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,646 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,646 INFO L860 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true
[2021-10-28 23:03:47,646 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,647 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,647 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed.
[2021-10-28 23:03:47,647 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed.
[2021-10-28 23:03:47,647 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,647 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,648 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,648 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,648 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,648 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-28 23:03:47,648 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,649 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,649 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed.
[2021-10-28 23:03:47,649 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed.
[2021-10-28 23:03:47,649 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,649 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,650 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,650 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,650 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed.
[2021-10-28 23:03:47,650 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,650 INFO L857 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,651 INFO L853 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (or (and .cse0 (<= 10 ~a21~0)) (and .cse0 (<= ~a21~0 8)) (and (<= 6 ~a15~0) .cse0) (and (<= ~a15~0 8) (<= ~a21~0 7) (<= (+ 49 ~a12~0) 0)) (and .cse0 (<= ~a12~0 78))))
[2021-10-28 23:03:47,651 INFO L857 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,651 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,651 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed.
[2021-10-28 23:03:47,652 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed.
[2021-10-28 23:03:47,652 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2021-10-28 23:03:47,652 INFO L857 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,652 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,652 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,653 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,653 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,653 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,653 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed.
[2021-10-28 23:03:47,653 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed.
[2021-10-28 23:03:47,654 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed.
[2021-10-28 23:03:47,654 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed.
[2021-10-28 23:03:47,654 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed.
[2021-10-28 23:03:47,659 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:03:47,661 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:03:47,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:03:47 BoogieIcfgContainer
[2021-10-28 23:03:47,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:03:47,690 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:03:47,690 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:03:47,690 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:03:47,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:50" (3/4) ...
[2021-10-28 23:03:47,695 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-28 23:03:47,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2021-10-28 23:03:47,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-28 23:03:47,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-28 23:03:47,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-28 23:03:47,966 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:03:47,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:03:47,968 INFO L168 Benchmark]: Toolchain (without parser) took 60426.76 ms. Allocated memory was 83.9 MB in the beginning and 696.3 MB in the end (delta: 612.4 MB). Free memory was 49.1 MB in the beginning and 383.8 MB in the end (delta: -334.7 MB). Peak memory consumption was 278.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:47,969 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 63.2 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:03:47,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 934.92 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.8 MB in the beginning and 57.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:47,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.03 ms. Allocated memory is still 100.7 MB. Free memory was 56.6 MB in the beginning and 46.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:47,971 INFO L168 Benchmark]: Boogie Preprocessor took 156.72 ms. Allocated memory is still 100.7 MB. Free memory was 46.6 MB in the beginning and 71.5 MB in the end (delta: -24.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:47,971 INFO L168 Benchmark]: RCFGBuilder took 1971.77 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 33.9 MB in the end (delta: 37.5 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:47,972 INFO L168 Benchmark]: TraceAbstraction took 56888.42 ms. Allocated memory was 100.7 MB in the beginning and 696.3 MB in the end (delta: 595.6 MB). Free memory was 67.4 MB in the beginning and 401.8 MB in the end (delta: -334.4 MB). Peak memory consumption was 260.8 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:47,973 INFO L168 Benchmark]: Witness Printer took 276.44 ms. Allocated memory is still 696.3 MB. Free memory was 401.8 MB in the beginning and 383.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:47,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 63.2 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 934.92 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.8 MB in the beginning and 57.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 165.03 ms. Allocated memory is still 100.7 MB. Free memory was 56.6 MB in the beginning and 46.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 156.72 ms. Allocated memory is still 100.7 MB. Free memory was 46.6 MB in the beginning and 71.5 MB in the end (delta: -24.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1971.77 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 33.9 MB in the end (delta: 37.5 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 56888.42 ms. Allocated memory was 100.7 MB in the beginning and 696.3 MB in the end (delta: 595.6 MB). Free memory was 67.4 MB in the beginning and 401.8 MB in the end (delta: -334.4 MB). Peak memory consumption was 260.8 MB. Max. memory is 16.1 GB.
* Witness Printer took 276.44 ms. Allocated memory is still 696.3 MB. Free memory was 401.8 MB in the beginning and 383.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 182]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.7s, OverallIterations: 18, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1323 SDtfs, 2470 SDslu, 100 SDs, 0 SdLazy, 9586 SolverSat, 1131 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5590 GetRequests, 5542 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4988occurred in iteration=17, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 5518 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 71 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 6066 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 164 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 24.9s InterpolantComputationTime, 14421 NumberOfCodeBlocks, 14421 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 14394 ConstructedInterpolants, 0 QuantifiedInterpolants, 50067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 7112 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 27 InterpolantComputations, 17 PerfectInterpolantSequences, 30284/31079 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 30]: Loop Invariant
Derived loop invariant: ((((a24 == 1 && 10 <= a21) || (a24 == 1 && a21 <= 8)) || (6 <= a15 && a24 == 1)) || ((a15 <= 8 && a21 <= 7) && 49 + a12 <= 0)) || (a24 == 1 && a12 <= 78)
- InvariantResult [Line: 884]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 890]: Loop Invariant
Derived loop invariant: ((((a24 == 1 && 10 <= a21) || (a24 == 1 && a21 <= 8)) || (6 <= a15 && a24 == 1)) || ((a15 <= 8 && a21 <= 7) && 49 + a12 <= 0)) || (a24 == 1 && a12 <= 78)
RESULT: Ultimate proved your program to be correct!
[2021-10-28 23:03:48,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bf86-cced-4281-a04a-785905465f47/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...