./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y --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 64bit --witnessprinter.graph.data.programhash 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:14:51,890 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:14:51,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:14:51,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:14:51,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:14:51,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:14:51,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:14:51,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:14:51,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:14:51,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:14:51,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:14:51,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:14:51,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:14:51,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:14:51,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:14:51,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:14:51,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:14:51,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:14:51,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:14:52,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:14:52,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:14:52,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:14:52,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:14:52,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:14:52,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:14:52,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:14:52,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:14:52,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:14:52,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:14:52,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:14:52,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:14:52,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:14:52,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:14:52,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:14:52,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:14:52,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:14:52,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:14:52,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:14:52,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:14:52,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:14:52,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:14:52,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf
[2021-11-13 18:14:52,084 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:14:52,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:14:52,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:14:52,085 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:14:52,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:14:52,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:14:52,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:14:52,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:14:52,094 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:14:52,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:14:52,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:14:52,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:14:52,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:14:52,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:14:52,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:14:52,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:14:52,096 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:14:52,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:14:52,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:14:52,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:14:52,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:14:52,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:14:52,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:14:52,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:14:52,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:14:52,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:14:52,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:14:52,099 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:14:52,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:14:52,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:14:52,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:14:52,101 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_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6
[2021-11-13 18:14:52,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:14:52,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:14:52,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:14:52,405 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:14:52,406 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:14:52,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i
[2021-11-13 18:14:52,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/data/929b5dc90/860bf0d4210e4516bd91c46cc756ba1a/FLAGb0de5494b
[2021-11-13 18:14:53,417 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:14:53,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i
[2021-11-13 18:14:53,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/data/929b5dc90/860bf0d4210e4516bd91c46cc756ba1a/FLAGb0de5494b
[2021-11-13 18:14:53,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/data/929b5dc90/860bf0d4210e4516bd91c46cc756ba1a
[2021-11-13 18:14:53,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:14:53,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:14:53,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:14:53,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:14:53,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:14:53,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:14:53" (1/1) ...
[2021-11-13 18:14:53,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3ef18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:53, skipping insertion in model container
[2021-11-13 18:14:53,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:14:53" (1/1) ...
[2021-11-13 18:14:53,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:14:54,016 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:14:54,583 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571]
[2021-11-13 18:14:54,584 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
size_t ) [4572-4573]
[2021-11-13 18:14:55,071 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_719b40dc-8217-4d97-8b55-259fea3aff44/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873]
[2021-11-13 18:14:56,291 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:14:56,338 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:14:56,463 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571]
[2021-11-13 18:14:56,465 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
size_t ) [4572-4573]
[2021-11-13 18:14:56,475 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_719b40dc-8217-4d97-8b55-259fea3aff44/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873]
[2021-11-13 18:14:56,995 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:14:57,114 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:14:57,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57 WrapperNode
[2021-11-13 18:14:57,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:14:57,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:14:57,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:14:57,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:14:57,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:14:57,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:14:57,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:14:57,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:14:57,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:14:57,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:14:57,901 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:14:57,901 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:14:57,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (1/1) ...
[2021-11-13 18:14:57,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:14:57,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:14:57,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:14:57,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b40dc-8217-4d97-8b55-259fea3aff44/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:14:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_from_context
[2021-11-13 18:14:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_from_context
[2021-11-13 18:14:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size
[2021-11-13 18:14:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2021-11-13 18:14:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2021-11-13 18:14:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions
[2021-11-13 18:14:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions
[2021-11-13 18:14:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop
[2021-11-13 18:14:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop
[2021-11-13 18:14:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_delete_hba
[2021-11-13 18:14:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_delete_hba
[2021-11-13 18:14:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio
[2021-11-13 18:14:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio
[2021-11-13 18:14:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode
[2021-11-13 18:14:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode
[2021-11-13 18:14:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure get_current
[2021-11-13 18:14:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current
[2021-11-13 18:14:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock
[2021-11-13 18:14:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock
[2021-11-13 18:14:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2021-11-13 18:14:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2021-11-13 18:14:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_status_get
[2021-11-13 18:14:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_status_get
[2021-11-13 18:14:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_build_sys_table
[2021-11-13 18:14:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_build_sys_table
[2021-11-13 18:14:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen
[2021-11-13 18:14:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen
[2021-11-13 18:14:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_online_hba
[2021-11-13 18:14:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_online_hba
[2021-11-13 18:14:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host
[2021-11-13 18:14:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host
[2021-11-13 18:14:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices
[2021-11-13 18:14:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices
[2021-11-13 18:14:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock
[2021-11-13 18:14:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2021-11-13 18:14:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error
[2021-11-13 18:14:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error
[2021-11-13 18:14:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_2
[2021-11-13 18:14:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_2
[2021-11-13 18:14:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio
[2021-11-13 18:14:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio
[2021-11-13 18:14:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2021-11-13 18:14:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2021-11-13 18:14:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_query_scalar
[2021-11-13 18:14:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_query_scalar
[2021-11-13 18:14:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high
[2021-11-13 18:14:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high
[2021-11-13 18:14:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-11-13 18:14:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-11-13 18:14:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check
[2021-11-13 18:14:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check
[2021-11-13 18:14:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_hba_reset
[2021-11-13 18:14:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_hba_reset
[2021-11-13 18:14:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:14:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-13 18:14:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock
[2021-11-13 18:14:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock
[2021-11-13 18:14:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap
[2021-11-13 18:14:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap
[2021-11-13 18:14:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore
[2021-11-13 18:14:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore
[2021-11-13 18:14:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:14:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap
[2021-11-13 18:14:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap
[2021-11-13 18:14:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-11-13 18:14:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault
[2021-11-13 18:14:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault
[2021-11-13 18:14:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_lct_get
[2021-11-13 18:14:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_lct_get
[2021-11-13 18:14:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc
[2021-11-13 18:14:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc
[2021-11-13 18:14:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc
[2021-11-13 18:14:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc
[2021-11-13 18:14:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested
[2021-11-13 18:14:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested
[2021-11-13 18:14:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reparse_lct
[2021-11-13 18:14:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reparse_lct
[2021-11-13 18:14:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock
[2021-11-13 18:14:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock
[2021-11-13 18:14:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_wait
[2021-11-13 18:14:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_wait
[2021-11-13 18:14:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2021-11-13 18:14:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2021-11-13 18:14:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2021-11-13 18:14:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user
[2021-11-13 18:14:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user
[2021-11-13 18:14:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low
[2021-11-13 18:14:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low
[2021-11-13 18:14:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops
[2021-11-13 18:14:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops
[2021-11-13 18:14:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init
[2021-11-13 18:14:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init
[2021-11-13 18:14:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_adjust_queue_depth
[2021-11-13 18:14:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_adjust_queue_depth
[2021-11-13 18:14:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2021-11-13 18:14:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_activate_hba
[2021-11-13 18:14:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_activate_hba
[2021-11-13 18:14:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs
[2021-11-13 18:14:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs
[2021-11-13 18:14:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:14:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_ioctl
[2021-11-13 18:14:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_ioctl
[2021-11-13 18:14:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reset_hba
[2021-11-13 18:14:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reset_hba
[2021-11-13 18:14:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2021-11-13 18:14:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2021-11-13 18:14:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_read_blink_led
[2021-11-13 18:14:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_read_blink_led
[2021-11-13 18:14:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags
[2021-11-13 18:14:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags
[2021-11-13 18:14:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask
[2021-11-13 18:14:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask
[2021-11-13 18:14:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure kfree
[2021-11-13 18:14:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree
[2021-11-13 18:14:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:14:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user
[2021-11-13 18:14:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user
[2021-11-13 18:14:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_send_nop
[2021-11-13 18:14:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_send_nop
[2021-11-13 18:14:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq
[2021-11-13 18:14:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq
[2021-11-13 18:14:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2021-11-13 18:14:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2021-11-13 18:14:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:14:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_install_device
[2021-11-13 18:14:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_install_device
[2021-11-13 18:14:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure dpt_dma64
[2021-11-13 18:14:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dpt_dma64
[2021-11-13 18:14:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user
[2021-11-13 18:14:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user
[2021-11-13 18:14:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_to_context
[2021-11-13 18:14:58,028 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_to_context
[2021-11-13 18:14:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-13 18:14:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size
[2021-11-13 18:14:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1
[2021-11-13 18:14:58,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1
[2021-11-13 18:14:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID
[2021-11-13 18:14:58,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID
[2021-11-13 18:14:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user
[2021-11-13 18:14:58,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user
[2021-11-13 18:14:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq
[2021-11-13 18:14:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq
[2021-11-13 18:14:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_set_state
[2021-11-13 18:14:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_set_state
[2021-11-13 18:14:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure iminor
[2021-11-13 18:14:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor
[2021-11-13 18:14:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_online
[2021-11-13 18:14:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_online
[2021-11-13 18:14:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_this
[2021-11-13 18:14:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_this
[2021-11-13 18:14:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock
[2021-11-13 18:14:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock
[2021-11-13 18:14:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs
[2021-11-13 18:14:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs
[2021-11-13 18:14:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_sys_shutdown
[2021-11-13 18:14:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_sys_shutdown
[2021-11-13 18:14:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure readl
[2021-11-13 18:14:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure readl
[2021-11-13 18:14:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure writel
[2021-11-13 18:14:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure writel
[2021-11-13 18:14:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:14:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_report_hba_unit
[2021-11-13 18:14:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_report_hba_unit
[2021-11-13 18:14:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible
[2021-11-13 18:14:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible
[2021-11-13 18:14:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure readb
[2021-11-13 18:14:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure readb
[2021-11-13 18:14:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:14:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:14:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR
[2021-11-13 18:14:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR
[2021-11-13 18:15:00,082 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2021-11-13 18:15:22,310 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:15:22,318 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-13 18:15:22,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:22 BoogieIcfgContainer
[2021-11-13 18:15:22,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:15:22,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:15:22,328 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:15:22,332 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:15:22,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:14:53" (1/3) ...
[2021-11-13 18:15:22,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc8d3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:15:22, skipping insertion in model container
[2021-11-13 18:15:22,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:57" (2/3) ...
[2021-11-13 18:15:22,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc8d3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:15:22, skipping insertion in model container
[2021-11-13 18:15:22,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:22" (3/3) ...
[2021-11-13 18:15:22,336 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i
[2021-11-13 18:15:22,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:15:22,344 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:15:22,417 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:15:22,429 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
[2021-11-13 18:15:22,429 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:15:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 1998 states, 1483 states have (on average 1.3917734322319621) internal successors, (2064), 1507 states have internal predecessors, (2064), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431)
[2021-11-13 18:15:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2021-11-13 18:15:22,513 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:22,514 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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]
[2021-11-13 18:15:22,515 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:22,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:22,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1716966273, now seen corresponding path program 1 times
[2021-11-13 18:15:22,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:22,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287857558]
[2021-11-13 18:15:22,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:22,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:23,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2021-11-13 18:15:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-11-13 18:15:23,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:23,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287857558]
[2021-11-13 18:15:23,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287857558] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:23,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:15:23,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:15:23,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522430337]
[2021-11-13 18:15:23,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:23,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:15:23,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:23,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:15:23,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:15:23,630 INFO L87 Difference]: Start difference. First operand has 1998 states, 1483 states have (on average 1.3917734322319621) internal successors, (2064), 1507 states have internal predecessors, (2064), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2021-11-13 18:15:25,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:15:27,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:15:32,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:15:36,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:15:38,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:15:50,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:50,663 INFO L93 Difference]: Finished difference Result 6659 states and 10182 transitions.
[2021-11-13 18:15:50,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:15:50,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58
[2021-11-13 18:15:50,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:50,735 INFO L225 Difference]: With dead ends: 6659
[2021-11-13 18:15:50,736 INFO L226 Difference]: Without dead ends: 4615
[2021-11-13 18:15:50,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:15:50,768 INFO L933 BasicCegarLoop]: 3232 mSDtfsCounter, 4790 mSDsluCounter, 5152 mSDsCounter, 0 mSdLazyCounter, 3862 mSolverCounterSat, 2772 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24303.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 8384 SdHoareTripleChecker+Invalid, 6637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 109.22ms SdHoareTripleChecker+Time, 2772 IncrementalHoareTripleChecker+Valid, 3862 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26313.63ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:50,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5148 Valid, 8384 Invalid, 6637 Unknown, 0 Unchecked, 109.22ms Time], IncrementalHoareTripleChecker [2772 Valid, 3862 Invalid, 3 Unknown, 0 Unchecked, 26313.63ms Time]
[2021-11-13 18:15:50,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4615 states.
[2021-11-13 18:15:51,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4615 to 3618.
[2021-11-13 18:15:51,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3618 states, 2687 states have (on average 1.384443617417194) internal successors, (3720), 2716 states have internal predecessors, (3720), 789 states have call successors, (789), 142 states have call predecessors, (789), 141 states have return successors, (788), 786 states have call predecessors, (788), 788 states have call successors, (788)
[2021-11-13 18:15:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 5297 transitions.
[2021-11-13 18:15:51,285 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 5297 transitions. Word has length 58
[2021-11-13 18:15:51,288 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:51,288 INFO L470 AbstractCegarLoop]: Abstraction has 3618 states and 5297 transitions.
[2021-11-13 18:15:51,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2021-11-13 18:15:51,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5297 transitions.
[2021-11-13 18:15:51,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2021-11-13 18:15:51,303 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:51,303 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:15:51,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:15:51,305 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:51,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:51,310 INFO L85 PathProgramCache]: Analyzing trace with hash 543101132, now seen corresponding path program 1 times
[2021-11-13 18:15:51,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:51,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109367014]
[2021-11-13 18:15:51,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:51,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:51,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:51,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2021-11-13 18:15:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:51,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2021-11-13 18:15:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-11-13 18:15:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:52,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-11-13 18:15:52,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:52,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109367014]
[2021-11-13 18:15:52,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109367014] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:52,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:15:52,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-13 18:15:52,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391186754]
[2021-11-13 18:15:52,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:52,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:15:52,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:52,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:15:52,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:15:52,041 INFO L87 Difference]: Start difference. First operand 3618 states and 5297 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2021-11-13 18:15:54,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:15:56,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:15:58,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:03,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:09,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:11,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:17,547 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:25,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:27,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:29,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:33,487 INFO L93 Difference]: Finished difference Result 9595 states and 14912 transitions.
[2021-11-13 18:16:33,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-11-13 18:16:33,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84
[2021-11-13 18:16:33,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:33,597 INFO L225 Difference]: With dead ends: 9595
[2021-11-13 18:16:33,597 INFO L226 Difference]: Without dead ends: 9592
[2021-11-13 18:16:33,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:16:33,612 INFO L933 BasicCegarLoop]: 3439 mSDtfsCounter, 5638 mSDsluCounter, 7196 mSDsCounter, 0 mSdLazyCounter, 5590 mSolverCounterSat, 3054 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37871.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6052 SdHoareTripleChecker+Valid, 10635 SdHoareTripleChecker+Invalid, 8653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 100.83ms SdHoareTripleChecker+Time, 3054 IncrementalHoareTripleChecker+Valid, 5590 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40740.30ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:33,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6052 Valid, 10635 Invalid, 8653 Unknown, 0 Unchecked, 100.83ms Time], IncrementalHoareTripleChecker [3054 Valid, 5590 Invalid, 9 Unknown, 0 Unchecked, 40740.30ms Time]
[2021-11-13 18:16:33,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9592 states.
[2021-11-13 18:16:34,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9592 to 7428.
[2021-11-13 18:16:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7428 states, 5506 states have (on average 1.3908463494369778) internal successors, (7658), 5570 states have internal predecessors, (7658), 1627 states have call successors, (1627), 271 states have call predecessors, (1627), 294 states have return successors, (1964), 1632 states have call predecessors, (1964), 1626 states have call successors, (1964)
[2021-11-13 18:16:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7428 states to 7428 states and 11249 transitions.
[2021-11-13 18:16:34,171 INFO L78 Accepts]: Start accepts. Automaton has 7428 states and 11249 transitions. Word has length 84
[2021-11-13 18:16:34,173 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:34,173 INFO L470 AbstractCegarLoop]: Abstraction has 7428 states and 11249 transitions.
[2021-11-13 18:16:34,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2021-11-13 18:16:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 7428 states and 11249 transitions.
[2021-11-13 18:16:34,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2021-11-13 18:16:34,188 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:34,188 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:34,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:16:34,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:34,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:34,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1033473605, now seen corresponding path program 1 times
[2021-11-13 18:16:34,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:34,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180703941]
[2021-11-13 18:16:34,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:34,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:16:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:16:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:16:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:16:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2021-11-13 18:16:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2021-11-13 18:16:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2021-11-13 18:16:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2021-11-13 18:16:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2021-11-13 18:16:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2021-11-13 18:16:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2021-11-13 18:16:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2021-11-13 18:16:34,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:16:34,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180703941]
[2021-11-13 18:16:34,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180703941] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:34,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:34,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-13 18:16:34,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154886803]
[2021-11-13 18:16:34,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:34,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:16:34,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:34,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:16:34,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:16:34,579 INFO L87 Difference]: Start difference. First operand 7428 states and 11249 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2021-11-13 18:16:36,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:38,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:40,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:45,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:50,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:52,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:56,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:17:08,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:17:13,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:13,127 INFO L93 Difference]: Finished difference Result 27401 states and 42818 transitions.
[2021-11-13 18:17:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-11-13 18:17:13,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103
[2021-11-13 18:17:13,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:13,439 INFO L225 Difference]: With dead ends: 27401
[2021-11-13 18:17:13,440 INFO L226 Difference]: Without dead ends: 19984
[2021-11-13 18:17:13,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:17:13,516 INFO L933 BasicCegarLoop]: 3120 mSDtfsCounter, 7515 mSDsluCounter, 6508 mSDsCounter, 0 mSdLazyCounter, 5757 mSolverCounterSat, 5403 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34774.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7992 SdHoareTripleChecker+Valid, 9628 SdHoareTripleChecker+Invalid, 11167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 84.75ms SdHoareTripleChecker+Time, 5403 IncrementalHoareTripleChecker+Valid, 5757 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37485.11ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:13,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7992 Valid, 9628 Invalid, 11167 Unknown, 0 Unchecked, 84.75ms Time], IncrementalHoareTripleChecker [5403 Valid, 5757 Invalid, 7 Unknown, 0 Unchecked, 37485.11ms Time]
[2021-11-13 18:17:13,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19984 states.
[2021-11-13 18:17:14,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19984 to 15549.
[2021-11-13 18:17:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15549 states, 11688 states have (on average 1.3963039014373717) internal successors, (16320), 11815 states have internal predecessors, (16320), 3282 states have call successors, (3282), 492 states have call predecessors, (3282), 578 states have return successors, (4014), 3327 states have call predecessors, (4014), 3281 states have call successors, (4014)
[2021-11-13 18:17:14,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15549 states to 15549 states and 23616 transitions.
[2021-11-13 18:17:14,742 INFO L78 Accepts]: Start accepts. Automaton has 15549 states and 23616 transitions. Word has length 103
[2021-11-13 18:17:14,743 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:14,743 INFO L470 AbstractCegarLoop]: Abstraction has 15549 states and 23616 transitions.
[2021-11-13 18:17:14,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2021-11-13 18:17:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 15549 states and 23616 transitions.
[2021-11-13 18:17:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2021-11-13 18:17:14,757 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:14,757 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:17:14,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:17:14,758 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:14,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:14,758 INFO L85 PathProgramCache]: Analyzing trace with hash -921436943, now seen corresponding path program 1 times
[2021-11-13 18:17:14,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:17:14,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113964956]
[2021-11-13 18:17:14,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:17:14,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:17:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:17:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:17:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:17:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:17:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:17:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:17:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2021-11-13 18:17:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2021-11-13 18:17:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2021-11-13 18:17:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-11-13 18:17:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:17:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2021-11-13 18:17:15,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:17:15,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113964956]
[2021-11-13 18:17:15,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113964956] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:17:15,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:17:15,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-11-13 18:17:15,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728861026]
[2021-11-13 18:17:15,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:15,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:17:15,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:17:15,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:17:15,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:17:15,267 INFO L87 Difference]: Start difference. First operand 15549 states and 23616 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11)
[2021-11-13 18:17:17,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:17:25,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:17:32,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:17:39,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:17:51,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:17:53,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:17:56,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:02,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:09,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:18:09,126 INFO L93 Difference]: Finished difference Result 58453 states and 92941 transitions.
[2021-11-13 18:18:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2021-11-13 18:18:09,126 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 117
[2021-11-13 18:18:09,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:18:09,493 INFO L225 Difference]: With dead ends: 58453
[2021-11-13 18:18:09,494 INFO L226 Difference]: Without dead ends: 42924
[2021-11-13 18:18:09,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=306, Invalid=884, Unknown=0, NotChecked=0, Total=1190
[2021-11-13 18:18:09,882 INFO L933 BasicCegarLoop]: 3007 mSDtfsCounter, 10603 mSDsluCounter, 13562 mSDsCounter, 0 mSdLazyCounter, 12546 mSolverCounterSat, 4387 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47350.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11061 SdHoareTripleChecker+Valid, 16569 SdHoareTripleChecker+Invalid, 16941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 154.57ms SdHoareTripleChecker+Time, 4387 IncrementalHoareTripleChecker+Valid, 12546 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51308.22ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:18:09,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11061 Valid, 16569 Invalid, 16941 Unknown, 0 Unchecked, 154.57ms Time], IncrementalHoareTripleChecker [4387 Valid, 12546 Invalid, 8 Unknown, 0 Unchecked, 51308.22ms Time]
[2021-11-13 18:18:09,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42924 states.
[2021-11-13 18:18:12,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42924 to 31024.
[2021-11-13 18:18:12,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31024 states, 23321 states have (on average 1.3955233480554008) internal successors, (32545), 23591 states have internal predecessors, (32545), 6536 states have call successors, (6536), 977 states have call predecessors, (6536), 1166 states have return successors, (8364), 6627 states have call predecessors, (8364), 6535 states have call successors, (8364)
[2021-11-13 18:18:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31024 states to 31024 states and 47445 transitions.
[2021-11-13 18:18:12,784 INFO L78 Accepts]: Start accepts. Automaton has 31024 states and 47445 transitions. Word has length 117
[2021-11-13 18:18:12,786 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:18:12,787 INFO L470 AbstractCegarLoop]: Abstraction has 31024 states and 47445 transitions.
[2021-11-13 18:18:12,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11)
[2021-11-13 18:18:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 31024 states and 47445 transitions.
[2021-11-13 18:18:12,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2021-11-13 18:18:12,806 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:18:12,806 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:18:12,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:18:12,807 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:18:12,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:12,807 INFO L85 PathProgramCache]: Analyzing trace with hash -144113110, now seen corresponding path program 1 times
[2021-11-13 18:18:12,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:18:12,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885998248]
[2021-11-13 18:18:12,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:12,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:18:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:18:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:18:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:18:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:18:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2021-11-13 18:18:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:18:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2021-11-13 18:18:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2021-11-13 18:18:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2021-11-13 18:18:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-11-13 18:18:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:18:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2021-11-13 18:18:13,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:18:13,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885998248]
[2021-11-13 18:18:13,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885998248] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:18:13,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:18:13,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-11-13 18:18:13,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789431593]
[2021-11-13 18:18:13,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:18:13,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:18:13,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:18:13,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:18:13,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:18:13,659 INFO L87 Difference]: Start difference. First operand 31024 states and 47445 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 5 states have internal predecessors, (76), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11)
[2021-11-13 18:18:15,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:17,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:23,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:25,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:31,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:33,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:39,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:40,547 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:46,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:48,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:53,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:57,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:59,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:02,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:04,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:06,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:12,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:15,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:21,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:19:21,988 INFO L93 Difference]: Finished difference Result 116680 states and 187186 transitions.
[2021-11-13 18:19:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2021-11-13 18:19:21,988 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 5 states have internal predecessors, (76), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 115
[2021-11-13 18:19:21,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:19:22,659 INFO L225 Difference]: With dead ends: 116680
[2021-11-13 18:19:22,659 INFO L226 Difference]: Without dead ends: 85676
[2021-11-13 18:19:23,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=306, Invalid=884, Unknown=0, NotChecked=0, Total=1190
[2021-11-13 18:19:23,024 INFO L933 BasicCegarLoop]: 3053 mSDtfsCounter, 12040 mSDsluCounter, 12920 mSDsCounter, 0 mSdLazyCounter, 10446 mSolverCounterSat, 7267 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59148.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12502 SdHoareTripleChecker+Valid, 15973 SdHoareTripleChecker+Invalid, 17729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 141.96ms SdHoareTripleChecker+Time, 7267 IncrementalHoareTripleChecker+Valid, 10446 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63641.56ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:19:23,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12502 Valid, 15973 Invalid, 17729 Unknown, 0 Unchecked, 141.96ms Time], IncrementalHoareTripleChecker [7267 Valid, 10446 Invalid, 16 Unknown, 0 Unchecked, 63641.56ms Time]
[2021-11-13 18:19:23,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85676 states.
[2021-11-13 18:19:26,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85676 to 61942.
[2021-11-13 18:19:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61942 states, 46555 states have (on average 1.3945440876382773) internal successors, (64923), 47111 states have internal predecessors, (64923), 13044 states have call successors, (13044), 1947 states have call predecessors, (13044), 2342 states have return successors, (17461), 13227 states have call predecessors, (17461), 13043 states have call successors, (17461)
[2021-11-13 18:19:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61942 states to 61942 states and 95428 transitions.
[2021-11-13 18:19:27,417 INFO L78 Accepts]: Start accepts. Automaton has 61942 states and 95428 transitions. Word has length 115
[2021-11-13 18:19:27,418 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:19:27,418 INFO L470 AbstractCegarLoop]: Abstraction has 61942 states and 95428 transitions.
[2021-11-13 18:19:27,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 5 states have internal predecessors, (76), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11)
[2021-11-13 18:19:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 61942 states and 95428 transitions.
[2021-11-13 18:19:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2021-11-13 18:19:27,431 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:19:27,433 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:19:27,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:19:27,433 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:19:27,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:19:27,434 INFO L85 PathProgramCache]: Analyzing trace with hash 123867907, now seen corresponding path program 1 times
[2021-11-13 18:19:27,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:19:27,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500745640]
[2021-11-13 18:19:27,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:19:27,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:19:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:19:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:19:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:27,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:19:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:19:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2021-11-13 18:19:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:19:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2021-11-13 18:19:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:28,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2021-11-13 18:19:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:19:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-11-13 18:19:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:19:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:19:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2021-11-13 18:19:28,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:19:28,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500745640]
[2021-11-13 18:19:28,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500745640] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:19:28,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:19:28,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-11-13 18:19:28,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812798337]
[2021-11-13 18:19:28,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:19:28,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:19:28,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:19:28,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:19:28,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:19:28,391 INFO L87 Difference]: Start difference. First operand 61942 states and 95428 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11)
[2021-11-13 18:19:30,547 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:32,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:34,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:37,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:39,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:44,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:46,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:48,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:57,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:19:59,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:20:01,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:20:05,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:20:10,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:20:12,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:20:24,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:20:39,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:20:39,564 INFO L93 Difference]: Finished difference Result 233006 states and 377491 transitions.
[2021-11-13 18:20:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2021-11-13 18:20:39,565 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 114
[2021-11-13 18:20:39,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:20:41,101 INFO L225 Difference]: With dead ends: 233006
[2021-11-13 18:20:41,101 INFO L226 Difference]: Without dead ends: 171084
[2021-11-13 18:20:41,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=306, Invalid=884, Unknown=0, NotChecked=0, Total=1190
[2021-11-13 18:20:41,754 INFO L933 BasicCegarLoop]: 3499 mSDtfsCounter, 10270 mSDsluCounter, 15477 mSDsCounter, 0 mSdLazyCounter, 13249 mSolverCounterSat, 4262 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57528.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10724 SdHoareTripleChecker+Valid, 18976 SdHoareTripleChecker+Invalid, 17522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 147.16ms SdHoareTripleChecker+Time, 4262 IncrementalHoareTripleChecker+Valid, 13249 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61857.62ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:20:41,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10724 Valid, 18976 Invalid, 17522 Unknown, 0 Unchecked, 147.16ms Time], IncrementalHoareTripleChecker [4262 Valid, 13249 Invalid, 11 Unknown, 0 Unchecked, 61857.62ms Time]
[2021-11-13 18:20:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171084 states.
[2021-11-13 18:20:48,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171084 to 123586.
[2021-11-13 18:20:48,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123586 states, 92831 states have (on average 1.3943510249808793) internal successors, (129439), 94087 states have internal predecessors, (129439), 26060 states have call successors, (26060), 3887 states have call predecessors, (26060), 4694 states have return successors, (36551), 26299 states have call predecessors, (36551), 26059 states have call successors, (36551)
[2021-11-13 18:20:49,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123586 states to 123586 states and 192050 transitions.
[2021-11-13 18:20:49,896 INFO L78 Accepts]: Start accepts. Automaton has 123586 states and 192050 transitions. Word has length 114
[2021-11-13 18:20:49,896 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:20:49,897 INFO L470 AbstractCegarLoop]: Abstraction has 123586 states and 192050 transitions.
[2021-11-13 18:20:49,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11)
[2021-11-13 18:20:49,897 INFO L276 IsEmpty]: Start isEmpty. Operand 123586 states and 192050 transitions.
[2021-11-13 18:20:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2021-11-13 18:20:49,916 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:20:49,916 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:20:49,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 18:20:49,916 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:20:49,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:20:49,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1590762838, now seen corresponding path program 1 times
[2021-11-13 18:20:49,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:20:49,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127382853]
[2021-11-13 18:20:49,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:20:49,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:20:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:20:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:20:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:20:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:20:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2021-11-13 18:20:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:20:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2021-11-13 18:20:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:20:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2021-11-13 18:20:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-11-13 18:20:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:20:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:20:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2021-11-13 18:20:50,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:20:50,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127382853]
[2021-11-13 18:20:50,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127382853] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:20:50,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:20:50,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-11-13 18:20:50,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458881401]
[2021-11-13 18:20:50,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:20:50,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:20:50,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:20:50,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:20:50,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:20:50,363 INFO L87 Difference]: Start difference. First operand 123586 states and 192050 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11)
[2021-11-13 18:20:52,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:20:54,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:20:56,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:20:58,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:03,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:07,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:14,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:16,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:22,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:33,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:36,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:38,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:40,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:42,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:21:47,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:22:01,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:22:03,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:22:21,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:22:21,297 INFO L93 Difference]: Finished difference Result 465322 states and 762293 transitions.
[2021-11-13 18:22:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2021-11-13 18:22:21,302 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (17), 7 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 116
[2021-11-13 18:22:21,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:22:25,233 INFO L225 Difference]: With dead ends: 465322
[2021-11-13 18:22:25,234 INFO L226 Difference]: Without dead ends: 335766
[2021-11-13 18:22:26,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=306, Invalid=884, Unknown=0, NotChecked=0, Total=1190
[2021-11-13 18:22:26,931 INFO L933 BasicCegarLoop]: 3019 mSDtfsCounter, 11557 mSDsluCounter, 12259 mSDsCounter, 0 mSdLazyCounter, 11056 mSolverCounterSat, 4554 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64403.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12013 SdHoareTripleChecker+Valid, 15278 SdHoareTripleChecker+Invalid, 15627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 148.94ms SdHoareTripleChecker+Time, 4554 IncrementalHoareTripleChecker+Valid, 11056 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69657.33ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:22:26,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12013 Valid, 15278 Invalid, 15627 Unknown, 0 Unchecked, 148.94ms Time], IncrementalHoareTripleChecker [4554 Valid, 11056 Invalid, 17 Unknown, 0 Unchecked, 69657.33ms Time]
[2021-11-13 18:22:27,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335766 states.