./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.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_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/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_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/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_3b7b6735-4f0c-4472-b819-68b1899ccabd/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 fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:14:19,910 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:14:19,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:14:19,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:14:19,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:14:19,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:14:19,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:14:19,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:14:19,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:14:19,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:14:19,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:14:19,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:14:19,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:14:19,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:14:19,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:14:19,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:14:19,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:14:20,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:14:20,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:14:20,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:14:20,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:14:20,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:14:20,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:14:20,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:14:20,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:14:20,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:14:20,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:14:20,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:14:20,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:14:20,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:14:20,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:14:20,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:14:20,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:14:20,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:14:20,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:14:20,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:14:20,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:14:20,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:14:20,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:14:20,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:14:20,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:14:20,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf
[2021-11-13 18:14:20,119 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:14:20,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:14:20,120 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:14:20,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:14:20,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:14:20,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:14:20,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:14:20,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:14:20,124 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:14:20,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:14:20,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:14:20,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:14:20,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:14:20,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:14:20,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:14:20,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:14:20,127 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:14:20,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:14:20,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:14:20,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:14:20,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:14:20,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:14:20,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:14:20,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:14:20,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:14:20,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:14:20,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:14:20,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:14:20,131 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:14:20,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:14:20,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:14:20,134 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_3b7b6735-4f0c-4472-b819-68b1899ccabd/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651
[2021-11-13 18:14:20,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:14:20,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:14:20,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:14:20,498 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:14:20,499 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:14:20,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i
[2021-11-13 18:14:20,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data/76726ddc0/c53fe9d706a7457aac4b6f62a07842ff/FLAGacd0e35c1
[2021-11-13 18:14:21,385 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:14:21,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i
[2021-11-13 18:14:21,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data/76726ddc0/c53fe9d706a7457aac4b6f62a07842ff/FLAGacd0e35c1
[2021-11-13 18:14:21,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data/76726ddc0/c53fe9d706a7457aac4b6f62a07842ff
[2021-11-13 18:14:21,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:14:21,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:14:21,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:14:21,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:14:21,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:14:21,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:14:21" (1/1) ...
[2021-11-13 18:14:21,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0c8d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:21, skipping insertion in model container
[2021-11-13 18:14:21,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:14:21" (1/1) ...
[2021-11-13 18:14:21,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:14:22,057 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:14:23,078 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_3b7b6735-4f0c-4472-b819-68b1899ccabd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175]
[2021-11-13 18:14:23,128 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:14:23,149 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:14:23,426 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_3b7b6735-4f0c-4472-b819-68b1899ccabd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175]
[2021-11-13 18:14:23,450 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:14:23,486 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:14:23,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23 WrapperNode
[2021-11-13 18:14:23,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:14:23,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:14:23,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:14:23,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:14:23,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:14:23,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:14:23,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:14:23,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:14:23,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:14:23,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:14:23,728 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:14:23,728 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:14:23,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (1/1) ...
[2021-11-13 18:14:23,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:14:23,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:14:23,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:14:23,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:14:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw
[2021-11-13 18:14:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw
[2021-11-13 18:14:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw
[2021-11-13 18:14:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw
[2021-11-13 18:14:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop
[2021-11-13 18:14:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop
[2021-11-13 18:14:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2021-11-13 18:14:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-13 18:14:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:14:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write
[2021-11-13 18:14:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write
[2021-11-13 18:14:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout
[2021-11-13 18:14:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout
[2021-11-13 18:14:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop
[2021-11-13 18:14:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop
[2021-11-13 18:14:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:14:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2021-11-13 18:14:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2021-11-13 18:14:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-13 18:14:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time
[2021-11-13 18:14:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time
[2021-11-13 18:14:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier
[2021-11-13 18:14:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier
[2021-11-13 18:14:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit
[2021-11-13 18:14:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit
[2021-11-13 18:14:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:14:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit
[2021-11-13 18:14:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit
[2021-11-13 18:14:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-11-13 18:14:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region
[2021-11-13 18:14:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region
[2021-11-13 18:14:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:14:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault
[2021-11-13 18:14:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault
[2021-11-13 18:14:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error
[2021-11-13 18:14:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error
[2021-11-13 18:14:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start
[2021-11-13 18:14:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start
[2021-11-13 18:14:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select
[2021-11-13 18:14:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select
[2021-11-13 18:14:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure inb
[2021-11-13 18:14:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure inb
[2021-11-13 18:14:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit
[2021-11-13 18:14:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit
[2021-11-13 18:14:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure outb
[2021-11-13 18:14:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure outb
[2021-11-13 18:14:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit
[2021-11-13 18:14:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit
[2021-11-13 18:14:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter
[2021-11-13 18:14:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter
[2021-11-13 18:14:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc
[2021-11-13 18:14:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc
[2021-11-13 18:14:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-11-13 18:14:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-11-13 18:14:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:14:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive
[2021-11-13 18:14:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive
[2021-11-13 18:14:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region
[2021-11-13 18:14:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region
[2021-11-13 18:14:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb
[2021-11-13 18:14:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb
[2021-11-13 18:14:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb
[2021-11-13 18:14:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb
[2021-11-13 18:14:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:14:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit
[2021-11-13 18:14:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit
[2021-11-13 18:14:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit
[2021-11-13 18:14:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit
[2021-11-13 18:14:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:14:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:14:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset
[2021-11-13 18:14:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset
[2021-11-13 18:14:24,526 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2021-11-13 18:14:26,941 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:14:26,941 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-13 18:14:26,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:14:26 BoogieIcfgContainer
[2021-11-13 18:14:26,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:14:26,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:14:26,949 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:14:26,953 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:14:26,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:14:21" (1/3) ...
[2021-11-13 18:14:26,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6bc3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:14:26, skipping insertion in model container
[2021-11-13 18:14:26,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:14:23" (2/3) ...
[2021-11-13 18:14:26,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6bc3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:14:26, skipping insertion in model container
[2021-11-13 18:14:26,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:14:26" (3/3) ...
[2021-11-13 18:14:26,958 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i
[2021-11-13 18:14:26,968 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:14:26,968 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:14:27,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:14:27,046 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 18:14:27,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:14:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 570 states, 358 states have (on average 1.4078212290502794) internal successors, (504), 390 states have internal predecessors, (504), 181 states have call successors, (181), 30 states have call predecessors, (181), 29 states have return successors, (177), 172 states have call predecessors, (177), 177 states have call successors, (177)
[2021-11-13 18:14:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2021-11-13 18:14:27,111 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:14:27,112 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:14:27,113 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:14:27,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:14:27,121 INFO L85 PathProgramCache]: Analyzing trace with hash 645771615, now seen corresponding path program 1 times
[2021-11-13 18:14:27,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:14:27,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193886169]
[2021-11-13 18:14:27,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:14:27,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:14:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:14:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:14:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:14:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:14:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:14:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:14:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:14:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:28,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:14:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:14:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:14:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:28,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:14:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked.
[2021-11-13 18:14:28,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:14:28,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193886169]
[2021-11-13 18:14:28,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193886169] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:14:28,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:14:28,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-13 18:14:28,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557071517]
[2021-11-13 18:14:28,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:14:28,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:14:28,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:14:28,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:14:28,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:14:28,181 INFO L87 Difference]: Start difference. First operand has 570 states, 358 states have (on average 1.4078212290502794) internal successors, (504), 390 states have internal predecessors, (504), 181 states have call successors, (181), 30 states have call predecessors, (181), 29 states have return successors, (177), 172 states have call predecessors, (177), 177 states have call successors, (177) Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2021-11-13 18:14:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:14:31,900 INFO L93 Difference]: Finished difference Result 1198 states and 1868 transitions.
[2021-11-13 18:14:31,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:14:31,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137
[2021-11-13 18:14:31,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:14:31,925 INFO L225 Difference]: With dead ends: 1198
[2021-11-13 18:14:31,925 INFO L226 Difference]: Without dead ends: 622
[2021-11-13 18:14:31,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:14:31,950 INFO L933 BasicCegarLoop]: 845 mSDtfsCounter, 292 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3160.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.36ms SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3449.59ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:14:31,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 1958 Invalid, 1188 Unknown, 0 Unchecked, 43.36ms Time], IncrementalHoareTripleChecker [520 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 3449.59ms Time]
[2021-11-13 18:14:31,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states.
[2021-11-13 18:14:32,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 559.
[2021-11-13 18:14:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 353 states have (on average 1.3937677053824362) internal successors, (492), 379 states have internal predecessors, (492), 177 states have call successors, (177), 29 states have call predecessors, (177), 28 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176)
[2021-11-13 18:14:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 845 transitions.
[2021-11-13 18:14:32,101 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 845 transitions. Word has length 137
[2021-11-13 18:14:32,102 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:14:32,102 INFO L470 AbstractCegarLoop]: Abstraction has 559 states and 845 transitions.
[2021-11-13 18:14:32,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2021-11-13 18:14:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 845 transitions.
[2021-11-13 18:14:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2021-11-13 18:14:32,112 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:14:32,112 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:14:32,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:14:32,113 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:14:32,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:14:32,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1599788631, now seen corresponding path program 1 times
[2021-11-13 18:14:32,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:14:32,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492935424]
[2021-11-13 18:14:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:14:32,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:14:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:14:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:14:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:14:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:14:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:14:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:14:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:14:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:14:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:14:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:14:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:14:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked.
[2021-11-13 18:14:32,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:14:32,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492935424]
[2021-11-13 18:14:32,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492935424] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:14:32,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:14:32,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-13 18:14:32,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773242091]
[2021-11-13 18:14:32,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:14:32,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:14:32,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:14:32,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:14:32,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:14:32,465 INFO L87 Difference]: Start difference. First operand 559 states and 845 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2021-11-13 18:14:35,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:14:35,256 INFO L93 Difference]: Finished difference Result 633 states and 974 transitions.
[2021-11-13 18:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:14:35,257 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 137
[2021-11-13 18:14:35,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:14:35,270 INFO L225 Difference]: With dead ends: 633
[2021-11-13 18:14:35,272 INFO L226 Difference]: Without dead ends: 628
[2021-11-13 18:14:35,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:14:35,278 INFO L933 BasicCegarLoop]: 827 mSDtfsCounter, 1018 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2364.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1150 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.51ms SdHoareTripleChecker+Time, 917 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2614.92ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:14:35,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1150 Valid, 1565 Invalid, 1430 Unknown, 0 Unchecked, 27.51ms Time], IncrementalHoareTripleChecker [917 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 2614.92ms Time]
[2021-11-13 18:14:35,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states.
[2021-11-13 18:14:35,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 560.
[2021-11-13 18:14:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 354 states have (on average 1.3926553672316384) internal successors, (493), 380 states have internal predecessors, (493), 177 states have call successors, (177), 29 states have call predecessors, (177), 28 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176)
[2021-11-13 18:14:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 846 transitions.
[2021-11-13 18:14:35,382 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 846 transitions. Word has length 137
[2021-11-13 18:14:35,383 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:14:35,385 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 846 transitions.
[2021-11-13 18:14:35,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2021-11-13 18:14:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 846 transitions.
[2021-11-13 18:14:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2021-11-13 18:14:35,395 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:14:35,396 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:14:35,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:14:35,396 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:14:35,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:14:35,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1657046933, now seen corresponding path program 1 times
[2021-11-13 18:14:35,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:14:35,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610335195]
[2021-11-13 18:14:35,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:14:35,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:14:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:14:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:14:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:14:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:14:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:14:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:14:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:14:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:14:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:14:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:14:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:14:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked.
[2021-11-13 18:14:35,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:14:35,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610335195]
[2021-11-13 18:14:35,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610335195] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:14:35,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:14:35,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-13 18:14:35,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960916488]
[2021-11-13 18:14:35,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:14:35,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:14:35,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:14:35,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:14:35,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:14:35,911 INFO L87 Difference]: Start difference. First operand 560 states and 846 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2021-11-13 18:14:40,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:14:40,440 INFO L93 Difference]: Finished difference Result 1214 states and 1882 transitions.
[2021-11-13 18:14:40,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-11-13 18:14:40,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137
[2021-11-13 18:14:40,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:14:40,459 INFO L225 Difference]: With dead ends: 1214
[2021-11-13 18:14:40,459 INFO L226 Difference]: Without dead ends: 1175
[2021-11-13 18:14:40,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:14:40,466 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 1338 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 1591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3629.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 2681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.85ms SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 1090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4206.18ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:14:40,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1479 Valid, 2414 Invalid, 2681 Unknown, 0 Unchecked, 49.85ms Time], IncrementalHoareTripleChecker [1591 Valid, 1090 Invalid, 0 Unknown, 0 Unchecked, 4206.18ms Time]
[2021-11-13 18:14:40,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states.
[2021-11-13 18:14:40,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1052.
[2021-11-13 18:14:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 671 states have (on average 1.4008941877794336) internal successors, (940), 717 states have internal predecessors, (940), 325 states have call successors, (325), 56 states have call predecessors, (325), 55 states have return successors, (324), 316 states have call predecessors, (324), 324 states have call successors, (324)
[2021-11-13 18:14:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1589 transitions.
[2021-11-13 18:14:40,611 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1589 transitions. Word has length 137
[2021-11-13 18:14:40,612 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:14:40,612 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1589 transitions.
[2021-11-13 18:14:40,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2021-11-13 18:14:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1589 transitions.
[2021-11-13 18:14:40,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2021-11-13 18:14:40,621 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:14:40,622 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:14:40,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:14:40,622 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:14:40,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:14:40,623 INFO L85 PathProgramCache]: Analyzing trace with hash 782209435, now seen corresponding path program 1 times
[2021-11-13 18:14:40,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:14:40,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867017753]
[2021-11-13 18:14:40,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:14:40,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:14:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:14:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:14:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:14:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:14:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:14:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:14:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:14:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:14:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:14:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:14:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2021-11-13 18:14:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2021-11-13 18:14:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2021-11-13 18:14:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-13 18:14:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:41,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked.
[2021-11-13 18:14:41,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:14:41,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867017753]
[2021-11-13 18:14:41,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867017753] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:14:41,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:14:41,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-13 18:14:41,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646922808]
[2021-11-13 18:14:41,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:14:41,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:14:41,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:14:41,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:14:41,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:14:41,061 INFO L87 Difference]: Start difference. First operand 1052 states and 1589 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2021-11-13 18:14:45,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:14:45,727 INFO L93 Difference]: Finished difference Result 2703 states and 4116 transitions.
[2021-11-13 18:14:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-11-13 18:14:45,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 188
[2021-11-13 18:14:45,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:14:45,756 INFO L225 Difference]: With dead ends: 2703
[2021-11-13 18:14:45,757 INFO L226 Difference]: Without dead ends: 1679
[2021-11-13 18:14:45,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:14:45,769 INFO L933 BasicCegarLoop]: 859 mSDtfsCounter, 725 mSDsluCounter, 1697 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 893 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4018.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 2556 SdHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.58ms SdHoareTripleChecker+Time, 893 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4385.86ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:14:45,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [821 Valid, 2556 Invalid, 1988 Unknown, 0 Unchecked, 29.58ms Time], IncrementalHoareTripleChecker [893 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 4385.86ms Time]
[2021-11-13 18:14:45,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states.
[2021-11-13 18:14:45,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1500.
[2021-11-13 18:14:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 937 states have (on average 1.3895410885805763) internal successors, (1302), 1003 states have internal predecessors, (1302), 472 states have call successors, (472), 91 states have call predecessors, (472), 90 states have return successors, (471), 459 states have call predecessors, (471), 471 states have call successors, (471)
[2021-11-13 18:14:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2245 transitions.
[2021-11-13 18:14:45,911 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2245 transitions. Word has length 188
[2021-11-13 18:14:45,912 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:14:45,912 INFO L470 AbstractCegarLoop]: Abstraction has 1500 states and 2245 transitions.
[2021-11-13 18:14:45,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2021-11-13 18:14:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2245 transitions.
[2021-11-13 18:14:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392
[2021-11-13 18:14:45,925 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:14:45,925 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:14:45,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:14:45,926 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:14:45,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:14:45,927 INFO L85 PathProgramCache]: Analyzing trace with hash -352632060, now seen corresponding path program 1 times
[2021-11-13 18:14:45,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:14:45,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292769864]
[2021-11-13 18:14:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:14:45,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:14:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:14:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:14:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:14:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:14:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:14:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:14:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:14:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:14:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:14:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:14:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:14:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2021-11-13 18:14:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:14:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:14:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2021-11-13 18:14:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-13 18:14:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:14:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:14:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:14:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2021-11-13 18:14:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198
[2021-11-13 18:14:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210
[2021-11-13 18:14:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222
[2021-11-13 18:14:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242
[2021-11-13 18:14:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258
[2021-11-13 18:14:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2021-11-13 18:14:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2021-11-13 18:14:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288
[2021-11-13 18:14:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293
[2021-11-13 18:14:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:14:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:14:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:14:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323
[2021-11-13 18:14:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330
[2021-11-13 18:14:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339
[2021-11-13 18:14:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370
[2021-11-13 18:14:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked.
[2021-11-13 18:14:46,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:14:46,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292769864]
[2021-11-13 18:14:46,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292769864] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:14:46,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:14:46,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-11-13 18:14:46,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237711199]
[2021-11-13 18:14:46,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:14:46,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 18:14:46,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:14:46,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:14:46,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:14:46,825 INFO L87 Difference]: Start difference. First operand 1500 states and 2245 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45)
[2021-11-13 18:14:52,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:14:52,190 INFO L93 Difference]: Finished difference Result 3935 states and 6128 transitions.
[2021-11-13 18:14:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:14:52,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) Word has length 391
[2021-11-13 18:14:52,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:14:52,219 INFO L225 Difference]: With dead ends: 3935
[2021-11-13 18:14:52,219 INFO L226 Difference]: Without dead ends: 2473
[2021-11-13 18:14:52,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:14:52,230 INFO L933 BasicCegarLoop]: 1138 mSDtfsCounter, 1353 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 1037 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4552.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 2684 SdHoareTripleChecker+Invalid, 2515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.56ms SdHoareTripleChecker+Time, 1037 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5000.88ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:14:52,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1580 Valid, 2684 Invalid, 2515 Unknown, 0 Unchecked, 33.56ms Time], IncrementalHoareTripleChecker [1037 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 5000.88ms Time]
[2021-11-13 18:14:52,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states.
[2021-11-13 18:14:52,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 1744.
[2021-11-13 18:14:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1063 states have (on average 1.394167450611477) internal successors, (1482), 1153 states have internal predecessors, (1482), 590 states have call successors, (590), 91 states have call predecessors, (590), 90 states have return successors, (589), 573 states have call predecessors, (589), 589 states have call successors, (589)
[2021-11-13 18:14:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2661 transitions.
[2021-11-13 18:14:52,423 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2661 transitions. Word has length 391
[2021-11-13 18:14:52,424 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:14:52,424 INFO L470 AbstractCegarLoop]: Abstraction has 1744 states and 2661 transitions.
[2021-11-13 18:14:52,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45)
[2021-11-13 18:14:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2661 transitions.
[2021-11-13 18:14:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405
[2021-11-13 18:14:52,439 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:14:52,439 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:14:52,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:14:52,440 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:14:52,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:14:52,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1382101616, now seen corresponding path program 1 times
[2021-11-13 18:14:52,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:14:52,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222258679]
[2021-11-13 18:14:52,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:14:52,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:14:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:14:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:14:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:14:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:14:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:14:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:14:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:14:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:14:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:14:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:14:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:14:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2021-11-13 18:14:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:14:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:14:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2021-11-13 18:14:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-13 18:14:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:14:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:14:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:14:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2021-11-13 18:14:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2021-11-13 18:14:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223
[2021-11-13 18:14:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2021-11-13 18:14:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255
[2021-11-13 18:14:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271
[2021-11-13 18:14:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290
[2021-11-13 18:14:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2021-11-13 18:14:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2021-11-13 18:14:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306
[2021-11-13 18:14:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:14:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:14:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:53,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:14:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336
[2021-11-13 18:14:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2021-11-13 18:14:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352
[2021-11-13 18:14:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383
[2021-11-13 18:14:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked.
[2021-11-13 18:14:53,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:14:53,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222258679]
[2021-11-13 18:14:53,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222258679] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:14:53,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:14:53,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-13 18:14:53,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040223374]
[2021-11-13 18:14:53,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:14:53,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:14:53,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:14:53,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:14:53,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:14:53,067 INFO L87 Difference]: Start difference. First operand 1744 states and 2661 transitions. Second operand has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45)
[2021-11-13 18:14:57,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:14:57,907 INFO L93 Difference]: Finished difference Result 4173 states and 6518 transitions.
[2021-11-13 18:14:57,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:14:57,908 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 404
[2021-11-13 18:14:57,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:14:57,934 INFO L225 Difference]: With dead ends: 4173
[2021-11-13 18:14:57,934 INFO L226 Difference]: Without dead ends: 2467
[2021-11-13 18:14:57,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:14:57,945 INFO L933 BasicCegarLoop]: 939 mSDtfsCounter, 591 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4185.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.67ms SdHoareTripleChecker+Time, 632 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4557.08ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:14:57,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 2776 Invalid, 1743 Unknown, 0 Unchecked, 34.67ms Time], IncrementalHoareTripleChecker [632 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 4557.08ms Time]
[2021-11-13 18:14:57,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states.
[2021-11-13 18:14:58,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 1780.
[2021-11-13 18:14:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1099 states have (on average 1.3776160145586898) internal successors, (1514), 1189 states have internal predecessors, (1514), 590 states have call successors, (590), 91 states have call predecessors, (590), 90 states have return successors, (589), 573 states have call predecessors, (589), 589 states have call successors, (589)
[2021-11-13 18:14:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2693 transitions.
[2021-11-13 18:14:58,132 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2693 transitions. Word has length 404
[2021-11-13 18:14:58,133 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:14:58,134 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2693 transitions.
[2021-11-13 18:14:58,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45)
[2021-11-13 18:14:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2693 transitions.
[2021-11-13 18:14:58,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396
[2021-11-13 18:14:58,149 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:14:58,150 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:14:58,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 18:14:58,151 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:14:58,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:14:58,151 INFO L85 PathProgramCache]: Analyzing trace with hash -51502721, now seen corresponding path program 1 times
[2021-11-13 18:14:58,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:14:58,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599239490]
[2021-11-13 18:14:58,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:14:58,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:14:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:14:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:14:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:14:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:14:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:14:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:14:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:14:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:14:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:14:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:14:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:14:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2021-11-13 18:14:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:14:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:14:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2021-11-13 18:14:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-13 18:14:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:14:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:14:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:14:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2021-11-13 18:14:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2021-11-13 18:14:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223
[2021-11-13 18:14:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2021-11-13 18:14:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:14:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255
[2021-11-13 18:14:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271
[2021-11-13 18:14:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:14:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290
[2021-11-13 18:14:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297
[2021-11-13 18:14:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:14:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:14:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:14:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2021-11-13 18:14:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334
[2021-11-13 18:14:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2021-11-13 18:14:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374
[2021-11-13 18:14:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:14:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:14:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked.
[2021-11-13 18:14:58,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:14:58,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599239490]
[2021-11-13 18:14:58,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599239490] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:14:58,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:14:58,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-13 18:14:58,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419533020]
[2021-11-13 18:14:58,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:14:58,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:14:58,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:14:58,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:14:58,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:14:58,876 INFO L87 Difference]: Start difference. First operand 1780 states and 2693 transitions. Second operand has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43)
[2021-11-13 18:15:00,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:15:04,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:04,263 INFO L93 Difference]: Finished difference Result 3692 states and 5660 transitions.
[2021-11-13 18:15:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:15:04,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 395
[2021-11-13 18:15:04,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:04,291 INFO L225 Difference]: With dead ends: 3692
[2021-11-13 18:15:04,291 INFO L226 Difference]: Without dead ends: 1950
[2021-11-13 18:15:04,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 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 18:15:04,304 INFO L933 BasicCegarLoop]: 801 mSDtfsCounter, 867 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4812.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.78ms SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5139.81ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:04,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [979 Valid, 2237 Invalid, 1476 Unknown, 0 Unchecked, 22.78ms Time], IncrementalHoareTripleChecker [672 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 5139.81ms Time]
[2021-11-13 18:15:04,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states.
[2021-11-13 18:15:04,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1780.
[2021-11-13 18:15:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1099 states have (on average 1.370336669699727) internal successors, (1506), 1189 states have internal predecessors, (1506), 590 states have call successors, (590), 91 states have call predecessors, (590), 90 states have return successors, (589), 573 states have call predecessors, (589), 589 states have call successors, (589)
[2021-11-13 18:15:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2685 transitions.
[2021-11-13 18:15:04,525 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2685 transitions. Word has length 395
[2021-11-13 18:15:04,526 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:04,526 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2685 transitions.
[2021-11-13 18:15:04,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43)
[2021-11-13 18:15:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2685 transitions.
[2021-11-13 18:15:04,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411
[2021-11-13 18:15:04,544 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:04,545 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:04,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-13 18:15:04,546 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:04,547 INFO L85 PathProgramCache]: Analyzing trace with hash 240544631, now seen corresponding path program 1 times
[2021-11-13 18:15:04,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:04,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970179676]
[2021-11-13 18:15:04,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:04,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:15:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:15:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:15:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:15:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:15:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:15:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2021-11-13 18:15:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2021-11-13 18:15:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-13 18:15:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2021-11-13 18:15:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2021-11-13 18:15:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223
[2021-11-13 18:15:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2021-11-13 18:15:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249
[2021-11-13 18:15:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261
[2021-11-13 18:15:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2021-11-13 18:15:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2021-11-13 18:15:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2021-11-13 18:15:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307
[2021-11-13 18:15:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312
[2021-11-13 18:15:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342
[2021-11-13 18:15:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349
[2021-11-13 18:15:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358
[2021-11-13 18:15:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389
[2021-11-13 18:15:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked.
[2021-11-13 18:15:05,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:05,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970179676]
[2021-11-13 18:15:05,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970179676] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:05,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244210137]
[2021-11-13 18:15:05,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:05,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:05,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:05,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:05,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 18:15:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:05,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:15:05,940 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:15:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked.
[2021-11-13 18:15:07,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:15:07,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244210137] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:07,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:15:07,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10
[2021-11-13 18:15:07,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572751040]
[2021-11-13 18:15:07,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:07,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:15:07,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:07,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:15:07,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:15:07,436 INFO L87 Difference]: Start difference. First operand 1780 states and 2685 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47)
[2021-11-13 18:15:07,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:07,561 INFO L93 Difference]: Finished difference Result 3522 states and 5322 transitions.
[2021-11-13 18:15:07,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:15:07,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 410
[2021-11-13 18:15:07,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:07,580 INFO L225 Difference]: With dead ends: 3522
[2021-11-13 18:15:07,580 INFO L226 Difference]: Without dead ends: 1780
[2021-11-13 18:15:07,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:15:07,590 INFO L933 BasicCegarLoop]: 840 mSDtfsCounter, 644 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.07ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:07,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [644 Valid, 840 Invalid, 1 Unknown, 0 Unchecked, 3.01ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.07ms Time]
[2021-11-13 18:15:07,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states.
[2021-11-13 18:15:07,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1780.
[2021-11-13 18:15:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1099 states have (on average 1.3685168334849864) internal successors, (1504), 1189 states have internal predecessors, (1504), 590 states have call successors, (590), 91 states have call predecessors, (590), 90 states have return successors, (589), 573 states have call predecessors, (589), 589 states have call successors, (589)
[2021-11-13 18:15:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2683 transitions.
[2021-11-13 18:15:07,756 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2683 transitions. Word has length 410
[2021-11-13 18:15:07,757 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:07,757 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2683 transitions.
[2021-11-13 18:15:07,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47)
[2021-11-13 18:15:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2683 transitions.
[2021-11-13 18:15:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408
[2021-11-13 18:15:07,771 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:07,772 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:07,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:15:07,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:07,987 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:07,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:07,988 INFO L85 PathProgramCache]: Analyzing trace with hash 926919638, now seen corresponding path program 1 times
[2021-11-13 18:15:07,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:07,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351315931]
[2021-11-13 18:15:07,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:07,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:15:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:15:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:15:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:15:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:15:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:15:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2021-11-13 18:15:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2021-11-13 18:15:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-13 18:15:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2021-11-13 18:15:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2021-11-13 18:15:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223
[2021-11-13 18:15:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2021-11-13 18:15:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249
[2021-11-13 18:15:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261
[2021-11-13 18:15:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2021-11-13 18:15:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2021-11-13 18:15:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303
[2021-11-13 18:15:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333
[2021-11-13 18:15:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339
[2021-11-13 18:15:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346
[2021-11-13 18:15:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355
[2021-11-13 18:15:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386
[2021-11-13 18:15:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked.
[2021-11-13 18:15:08,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:08,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351315931]
[2021-11-13 18:15:08,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351315931] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:08,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:15:08,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-13 18:15:08,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58802883]
[2021-11-13 18:15:08,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:08,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:15:08,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:08,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:15:08,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:15:08,553 INFO L87 Difference]: Start difference. First operand 1780 states and 2683 transitions. Second operand has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45)
[2021-11-13 18:15:14,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:14,545 INFO L93 Difference]: Finished difference Result 4721 states and 7172 transitions.
[2021-11-13 18:15:14,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 18:15:14,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 407
[2021-11-13 18:15:14,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:14,571 INFO L225 Difference]: With dead ends: 4721
[2021-11-13 18:15:14,571 INFO L226 Difference]: Without dead ends: 2873
[2021-11-13 18:15:14,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:15:14,585 INFO L933 BasicCegarLoop]: 1019 mSDtfsCounter, 936 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 1207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5154.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 2268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.32ms SdHoareTripleChecker+Time, 1207 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5645.59ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:14,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1029 Valid, 2916 Invalid, 2268 Unknown, 0 Unchecked, 29.32ms Time], IncrementalHoareTripleChecker [1207 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 5645.59ms Time]
[2021-11-13 18:15:14,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2873 states.
[2021-11-13 18:15:14,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2873 to 2561.
[2021-11-13 18:15:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 1623 states have (on average 1.3746149106592729) internal successors, (2231), 1738 states have internal predecessors, (2231), 793 states have call successors, (793), 145 states have call predecessors, (793), 144 states have return successors, (792), 772 states have call predecessors, (792), 792 states have call successors, (792)
[2021-11-13 18:15:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3816 transitions.
[2021-11-13 18:15:14,819 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3816 transitions. Word has length 407
[2021-11-13 18:15:14,822 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:14,822 INFO L470 AbstractCegarLoop]: Abstraction has 2561 states and 3816 transitions.
[2021-11-13 18:15:14,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45)
[2021-11-13 18:15:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3816 transitions.
[2021-11-13 18:15:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417
[2021-11-13 18:15:14,835 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:14,835 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:14,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-11-13 18:15:14,836 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:14,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:14,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1228361653, now seen corresponding path program 1 times
[2021-11-13 18:15:14,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:14,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627521034]
[2021-11-13 18:15:14,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:14,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:15:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:15:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:15:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:15:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:15:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:15:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2021-11-13 18:15:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2021-11-13 18:15:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-13 18:15:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2021-11-13 18:15:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2021-11-13 18:15:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223
[2021-11-13 18:15:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2021-11-13 18:15:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249
[2021-11-13 18:15:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261
[2021-11-13 18:15:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2021-11-13 18:15:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2021-11-13 18:15:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2021-11-13 18:15:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307
[2021-11-13 18:15:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312
[2021-11-13 18:15:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342
[2021-11-13 18:15:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348
[2021-11-13 18:15:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355
[2021-11-13 18:15:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364
[2021-11-13 18:15:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395
[2021-11-13 18:15:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked.
[2021-11-13 18:15:15,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:15,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627521034]
[2021-11-13 18:15:15,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627521034] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:15,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:15:15,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-13 18:15:15,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382794719]
[2021-11-13 18:15:15,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:15,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:15:15,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:15,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:15:15,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:15:15,406 INFO L87 Difference]: Start difference. First operand 2561 states and 3816 transitions. Second operand has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47)
[2021-11-13 18:15:19,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:19,608 INFO L93 Difference]: Finished difference Result 3949 states and 5897 transitions.
[2021-11-13 18:15:19,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:15:19,609 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 416
[2021-11-13 18:15:19,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:19,622 INFO L225 Difference]: With dead ends: 3949
[2021-11-13 18:15:19,622 INFO L226 Difference]: Without dead ends: 1389
[2021-11-13 18:15:19,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:15:19,636 INFO L933 BasicCegarLoop]: 793 mSDtfsCounter, 377 mSDsluCounter, 1757 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3718.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 2550 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.94ms SdHoareTripleChecker+Time, 740 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4040.68ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:19,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [401 Valid, 2550 Invalid, 1516 Unknown, 0 Unchecked, 15.94ms Time], IncrementalHoareTripleChecker [740 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 4040.68ms Time]
[2021-11-13 18:15:19,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states.
[2021-11-13 18:15:19,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1217.
[2021-11-13 18:15:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 767 states have (on average 1.3389830508474576) internal successors, (1027), 817 states have internal predecessors, (1027), 365 states have call successors, (365), 85 states have call predecessors, (365), 84 states have return successors, (364), 354 states have call predecessors, (364), 364 states have call successors, (364)
[2021-11-13 18:15:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1756 transitions.
[2021-11-13 18:15:19,734 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1756 transitions. Word has length 416
[2021-11-13 18:15:19,735 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:19,735 INFO L470 AbstractCegarLoop]: Abstraction has 1217 states and 1756 transitions.
[2021-11-13 18:15:19,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47)
[2021-11-13 18:15:19,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1756 transitions.
[2021-11-13 18:15:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432
[2021-11-13 18:15:19,744 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:19,744 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:19,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-11-13 18:15:19,745 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:19,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:19,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1857184944, now seen corresponding path program 1 times
[2021-11-13 18:15:19,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:19,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659719521]
[2021-11-13 18:15:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:19,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:19,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:19,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:15:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:15:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:15:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:15:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:15:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:15:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2021-11-13 18:15:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2021-11-13 18:15:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-13 18:15:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2021-11-13 18:15:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2021-11-13 18:15:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223
[2021-11-13 18:15:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2021-11-13 18:15:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249
[2021-11-13 18:15:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261
[2021-11-13 18:15:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2021-11-13 18:15:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2021-11-13 18:15:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2021-11-13 18:15:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307
[2021-11-13 18:15:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312
[2021-11-13 18:15:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342
[2021-11-13 18:15:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348
[2021-11-13 18:15:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355
[2021-11-13 18:15:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364
[2021-11-13 18:15:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394
[2021-11-13 18:15:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411
[2021-11-13 18:15:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416
[2021-11-13 18:15:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422
[2021-11-13 18:15:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked.
[2021-11-13 18:15:20,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:20,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659719521]
[2021-11-13 18:15:20,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659719521] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:20,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333264801]
[2021-11-13 18:15:20,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:20,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:20,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:20,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:20,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-13 18:15:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:20,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 2291 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:15:20,814 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:15:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked.
[2021-11-13 18:15:21,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:15:21,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333264801] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:21,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:15:21,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11
[2021-11-13 18:15:21,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401139926]
[2021-11-13 18:15:21,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:21,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:15:21,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:21,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:15:21,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:15:21,766 INFO L87 Difference]: Start difference. First operand 1217 states and 1756 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53)
[2021-11-13 18:15:21,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:21,890 INFO L93 Difference]: Finished difference Result 2365 states and 3425 transitions.
[2021-11-13 18:15:21,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:15:21,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) Word has length 431
[2021-11-13 18:15:21,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:21,902 INFO L225 Difference]: With dead ends: 2365
[2021-11-13 18:15:21,903 INFO L226 Difference]: Without dead ends: 1225
[2021-11-13 18:15:21,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:15:21,910 INFO L933 BasicCegarLoop]: 825 mSDtfsCounter, 0 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3287 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.80ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:21,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3287 Invalid, 16 Unknown, 0 Unchecked, 7.39ms Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 16.80ms Time]
[2021-11-13 18:15:21,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states.
[2021-11-13 18:15:21,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1219.
[2021-11-13 18:15:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 768 states have (on average 1.3385416666666667) internal successors, (1028), 819 states have internal predecessors, (1028), 365 states have call successors, (365), 85 states have call predecessors, (365), 85 states have return successors, (367), 354 states have call predecessors, (367), 364 states have call successors, (367)
[2021-11-13 18:15:22,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1760 transitions.
[2021-11-13 18:15:22,003 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1760 transitions. Word has length 431
[2021-11-13 18:15:22,003 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:22,004 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 1760 transitions.
[2021-11-13 18:15:22,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53)
[2021-11-13 18:15:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1760 transitions.
[2021-11-13 18:15:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449
[2021-11-13 18:15:22,015 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:22,015 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:22,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:15:22,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2021-11-13 18:15:22,232 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:22,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:22,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1173412075, now seen corresponding path program 1 times
[2021-11-13 18:15:22,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:22,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539724452]
[2021-11-13 18:15:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:22,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:15:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:15:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:15:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:15:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:15:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:15:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2021-11-13 18:15:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2021-11-13 18:15:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2021-11-13 18:15:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2021-11-13 18:15:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228
[2021-11-13 18:15:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2021-11-13 18:15:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252
[2021-11-13 18:15:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266
[2021-11-13 18:15:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278
[2021-11-13 18:15:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294
[2021-11-13 18:15:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313
[2021-11-13 18:15:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318
[2021-11-13 18:15:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324
[2021-11-13 18:15:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329
[2021-11-13 18:15:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359
[2021-11-13 18:15:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2021-11-13 18:15:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372
[2021-11-13 18:15:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381
[2021-11-13 18:15:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411
[2021-11-13 18:15:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428
[2021-11-13 18:15:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433
[2021-11-13 18:15:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439
[2021-11-13 18:15:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked.
[2021-11-13 18:15:22,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:22,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539724452]
[2021-11-13 18:15:22,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539724452] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:22,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258789514]
[2021-11-13 18:15:22,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:22,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:22,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:22,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:22,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-13 18:15:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:23,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 2338 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:15:23,320 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:15:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked.
[2021-11-13 18:15:24,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:15:24,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258789514] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:24,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:15:24,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11
[2021-11-13 18:15:24,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520348988]
[2021-11-13 18:15:24,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:24,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:15:24,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:24,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:15:24,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:15:24,186 INFO L87 Difference]: Start difference. First operand 1219 states and 1760 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60)
[2021-11-13 18:15:24,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:24,256 INFO L93 Difference]: Finished difference Result 2312 states and 3351 transitions.
[2021-11-13 18:15:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:15:24,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) Word has length 448
[2021-11-13 18:15:24,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:24,267 INFO L225 Difference]: With dead ends: 2312
[2021-11-13 18:15:24,268 INFO L226 Difference]: Without dead ends: 1225
[2021-11-13 18:15:24,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:15:24,274 INFO L933 BasicCegarLoop]: 825 mSDtfsCounter, 0 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3287 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.27ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:24,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3287 Invalid, 16 Unknown, 0 Unchecked, 4.06ms Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 13.27ms Time]
[2021-11-13 18:15:24,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states.
[2021-11-13 18:15:24,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1219.
[2021-11-13 18:15:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 768 states have (on average 1.3385416666666667) internal successors, (1028), 819 states have internal predecessors, (1028), 365 states have call successors, (365), 85 states have call predecessors, (365), 85 states have return successors, (365), 354 states have call predecessors, (365), 364 states have call successors, (365)
[2021-11-13 18:15:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1758 transitions.
[2021-11-13 18:15:24,362 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1758 transitions. Word has length 448
[2021-11-13 18:15:24,363 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:24,363 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 1758 transitions.
[2021-11-13 18:15:24,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60)
[2021-11-13 18:15:24,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1758 transitions.
[2021-11-13 18:15:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457
[2021-11-13 18:15:24,372 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:24,373 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:24,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:15:24,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2021-11-13 18:15:24,587 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:24,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:24,587 INFO L85 PathProgramCache]: Analyzing trace with hash -283363491, now seen corresponding path program 1 times
[2021-11-13 18:15:24,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:24,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542007818]
[2021-11-13 18:15:24,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:24,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:15:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:15:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:15:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:15:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:15:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:15:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2021-11-13 18:15:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2021-11-13 18:15:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2021-11-13 18:15:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2021-11-13 18:15:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245
[2021-11-13 18:15:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257
[2021-11-13 18:15:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269
[2021-11-13 18:15:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283
[2021-11-13 18:15:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2021-11-13 18:15:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311
[2021-11-13 18:15:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330
[2021-11-13 18:15:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337
[2021-11-13 18:15:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367
[2021-11-13 18:15:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373
[2021-11-13 18:15:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380
[2021-11-13 18:15:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389
[2021-11-13 18:15:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419
[2021-11-13 18:15:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436
[2021-11-13 18:15:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441
[2021-11-13 18:15:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447
[2021-11-13 18:15:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked.
[2021-11-13 18:15:25,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:25,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542007818]
[2021-11-13 18:15:25,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542007818] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:25,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628170380]
[2021-11-13 18:15:25,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:25,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:25,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:25,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:25,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-11-13 18:15:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:25,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 2347 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 18:15:25,832 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:15:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked.
[2021-11-13 18:15:26,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:15:26,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628170380] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:26,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:15:26,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14
[2021-11-13 18:15:26,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501604613]
[2021-11-13 18:15:26,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:26,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 18:15:26,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:26,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:15:26,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:15:26,658 INFO L87 Difference]: Start difference. First operand 1219 states and 1758 transitions. Second operand has 8 states, 8 states have (on average 21.25) internal successors, (170), 6 states have internal predecessors, (170), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53)
[2021-11-13 18:15:26,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:26,838 INFO L93 Difference]: Finished difference Result 2520 states and 3755 transitions.
[2021-11-13 18:15:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 18:15:26,839 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 6 states have internal predecessors, (170), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) Word has length 456
[2021-11-13 18:15:26,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:26,853 INFO L225 Difference]: With dead ends: 2520
[2021-11-13 18:15:26,853 INFO L226 Difference]: Without dead ends: 1678
[2021-11-13 18:15:26,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210
[2021-11-13 18:15:26,859 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 236 mSDsluCounter, 6480 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 7606 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.66ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.87ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:26,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 7606 Invalid, 45 Unknown, 0 Unchecked, 11.66ms Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 27.87ms Time]
[2021-11-13 18:15:26,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states.
[2021-11-13 18:15:26,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1235.
[2021-11-13 18:15:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 780 states have (on average 1.3333333333333333) internal successors, (1040), 831 states have internal predecessors, (1040), 365 states have call successors, (365), 85 states have call predecessors, (365), 89 states have return successors, (380), 358 states have call predecessors, (380), 364 states have call successors, (380)
[2021-11-13 18:15:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1785 transitions.
[2021-11-13 18:15:26,962 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1785 transitions. Word has length 456
[2021-11-13 18:15:26,963 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:26,963 INFO L470 AbstractCegarLoop]: Abstraction has 1235 states and 1785 transitions.
[2021-11-13 18:15:26,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 6 states have internal predecessors, (170), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53)
[2021-11-13 18:15:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1785 transitions.
[2021-11-13 18:15:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468
[2021-11-13 18:15:26,972 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:26,973 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:27,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:15:27,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2021-11-13 18:15:27,191 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:27,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:27,192 INFO L85 PathProgramCache]: Analyzing trace with hash -125834393, now seen corresponding path program 1 times
[2021-11-13 18:15:27,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:27,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063114721]
[2021-11-13 18:15:27,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:27,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:15:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:15:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:15:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:15:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:15:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:15:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2021-11-13 18:15:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2021-11-13 18:15:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2021-11-13 18:15:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2021-11-13 18:15:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245
[2021-11-13 18:15:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257
[2021-11-13 18:15:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269
[2021-11-13 18:15:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283
[2021-11-13 18:15:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2021-11-13 18:15:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311
[2021-11-13 18:15:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330
[2021-11-13 18:15:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337
[2021-11-13 18:15:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367
[2021-11-13 18:15:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373
[2021-11-13 18:15:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380
[2021-11-13 18:15:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389
[2021-11-13 18:15:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409
[2021-11-13 18:15:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413
[2021-11-13 18:15:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417
[2021-11-13 18:15:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430
[2021-11-13 18:15:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447
[2021-11-13 18:15:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452
[2021-11-13 18:15:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458
[2021-11-13 18:15:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked.
[2021-11-13 18:15:27,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:27,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063114721]
[2021-11-13 18:15:27,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063114721] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:27,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164750228]
[2021-11-13 18:15:27,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:27,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:27,787 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:27,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-11-13 18:15:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:28,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 2372 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-11-13 18:15:28,349 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:15:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked.
[2021-11-13 18:15:29,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:15:29,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164750228] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:29,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:15:29,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16
[2021-11-13 18:15:29,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302216137]
[2021-11-13 18:15:29,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:29,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:15:29,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:29,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:15:29,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240
[2021-11-13 18:15:29,153 INFO L87 Difference]: Start difference. First operand 1235 states and 1785 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (56), 5 states have call predecessors, (56), 3 states have call successors, (56)
[2021-11-13 18:15:31,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:31,086 INFO L93 Difference]: Finished difference Result 3410 states and 5056 transitions.
[2021-11-13 18:15:31,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2021-11-13 18:15:31,087 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (56), 5 states have call predecessors, (56), 3 states have call successors, (56) Word has length 467
[2021-11-13 18:15:31,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:31,107 INFO L225 Difference]: With dead ends: 3410
[2021-11-13 18:15:31,107 INFO L226 Difference]: Without dead ends: 2552
[2021-11-13 18:15:31,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650
[2021-11-13 18:15:31,114 INFO L933 BasicCegarLoop]: 1532 mSDtfsCounter, 1099 mSDsluCounter, 10931 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1465.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 12463 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.04ms SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1624.63ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:31,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1103 Valid, 12463 Invalid, 1171 Unknown, 0 Unchecked, 23.04ms Time], IncrementalHoareTripleChecker [270 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 1624.63ms Time]
[2021-11-13 18:15:31,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states.
[2021-11-13 18:15:31,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 1247.
[2021-11-13 18:15:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 786 states have (on average 1.3307888040712468) internal successors, (1046), 837 states have internal predecessors, (1046), 371 states have call successors, (371), 85 states have call predecessors, (371), 89 states have return successors, (386), 364 states have call predecessors, (386), 370 states have call successors, (386)
[2021-11-13 18:15:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1803 transitions.
[2021-11-13 18:15:31,301 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1803 transitions. Word has length 467
[2021-11-13 18:15:31,302 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:31,302 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 1803 transitions.
[2021-11-13 18:15:31,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (56), 5 states have call predecessors, (56), 3 states have call successors, (56)
[2021-11-13 18:15:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1803 transitions.
[2021-11-13 18:15:31,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468
[2021-11-13 18:15:31,312 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:31,312 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:31,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:15:31,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:31,530 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:31,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:31,530 INFO L85 PathProgramCache]: Analyzing trace with hash 2119745061, now seen corresponding path program 1 times
[2021-11-13 18:15:31,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:31,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066040706]
[2021-11-13 18:15:31,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:31,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2021-11-13 18:15:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2021-11-13 18:15:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2021-11-13 18:15:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-13 18:15:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:15:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2021-11-13 18:15:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2021-11-13 18:15:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2021-11-13 18:15:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2021-11-13 18:15:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2021-11-13 18:15:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245
[2021-11-13 18:15:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257
[2021-11-13 18:15:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269
[2021-11-13 18:15:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283
[2021-11-13 18:15:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2021-11-13 18:15:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311
[2021-11-13 18:15:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330
[2021-11-13 18:15:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337
[2021-11-13 18:15:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367
[2021-11-13 18:15:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373
[2021-11-13 18:15:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380
[2021-11-13 18:15:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389
[2021-11-13 18:15:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409
[2021-11-13 18:15:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413
[2021-11-13 18:15:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417
[2021-11-13 18:15:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430
[2021-11-13 18:15:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447
[2021-11-13 18:15:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452
[2021-11-13 18:15:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458
[2021-11-13 18:15:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked.
[2021-11-13 18:15:32,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:32,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066040706]
[2021-11-13 18:15:32,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066040706] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:32,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281000236]
[2021-11-13 18:15:32,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:32,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:32,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:32,348 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:32,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-11-13 18:15:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:33,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:15:33,873 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:15:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked.
[2021-11-13 18:15:34,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:15:34,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281000236] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:34,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:15:34,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12
[2021-11-13 18:15:34,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807935551]
[2021-11-13 18:15:34,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:34,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:15:34,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:34,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:15:34,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:15:34,719 INFO L87 Difference]: Start difference. First operand 1247 states and 1803 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57)
[2021-11-13 18:15:34,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:34,873 INFO L93 Difference]: Finished difference Result 2476 states and 3589 transitions.
[2021-11-13 18:15:34,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:15:34,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 467
[2021-11-13 18:15:34,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:34,885 INFO L225 Difference]: With dead ends: 2476
[2021-11-13 18:15:34,885 INFO L226 Difference]: Without dead ends: 1248
[2021-11-13 18:15:34,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:15:34,892 INFO L933 BasicCegarLoop]: 824 mSDtfsCounter, 3 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2459 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.88ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.92ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:34,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 2459 Invalid, 23 Unknown, 0 Unchecked, 4.88ms Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 35.92ms Time]
[2021-11-13 18:15:34,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states.
[2021-11-13 18:15:34,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1248.
[2021-11-13 18:15:34,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 787 states have (on average 1.3303684879288438) internal successors, (1047), 838 states have internal predecessors, (1047), 371 states have call successors, (371), 85 states have call predecessors, (371), 89 states have return successors, (386), 364 states have call predecessors, (386), 370 states have call successors, (386)
[2021-11-13 18:15:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1804 transitions.
[2021-11-13 18:15:35,003 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1804 transitions. Word has length 467
[2021-11-13 18:15:35,003 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:35,003 INFO L470 AbstractCegarLoop]: Abstraction has 1248 states and 1804 transitions.
[2021-11-13 18:15:35,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57)
[2021-11-13 18:15:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1804 transitions.
[2021-11-13 18:15:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483
[2021-11-13 18:15:35,012 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:35,013 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:35,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2021-11-13 18:15:35,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:35,233 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:35,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:35,233 INFO L85 PathProgramCache]: Analyzing trace with hash 756315388, now seen corresponding path program 1 times
[2021-11-13 18:15:35,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:35,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181626730]
[2021-11-13 18:15:35,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:35,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2021-11-13 18:15:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2021-11-13 18:15:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2021-11-13 18:15:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2021-11-13 18:15:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107
[2021-11-13 18:15:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2021-11-13 18:15:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2021-11-13 18:15:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176
[2021-11-13 18:15:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2021-11-13 18:15:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220
[2021-11-13 18:15:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251
[2021-11-13 18:15:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263
[2021-11-13 18:15:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275
[2021-11-13 18:15:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289
[2021-11-13 18:15:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2021-11-13 18:15:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317
[2021-11-13 18:15:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336
[2021-11-13 18:15:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341
[2021-11-13 18:15:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347
[2021-11-13 18:15:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352
[2021-11-13 18:15:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382
[2021-11-13 18:15:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388
[2021-11-13 18:15:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395
[2021-11-13 18:15:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404
[2021-11-13 18:15:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424
[2021-11-13 18:15:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428
[2021-11-13 18:15:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432
[2021-11-13 18:15:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445
[2021-11-13 18:15:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462
[2021-11-13 18:15:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467
[2021-11-13 18:15:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473
[2021-11-13 18:15:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked.
[2021-11-13 18:15:35,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:35,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181626730]
[2021-11-13 18:15:35,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181626730] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:35,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383450841]
[2021-11-13 18:15:35,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:35,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:35,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:35,979 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:36,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-11-13 18:15:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:36,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 2441 conjuncts, 15 conjunts are in the unsatisfiable core
[2021-11-13 18:15:36,556 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:15:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked.
[2021-11-13 18:15:37,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:15:37,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383450841] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:15:37,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:15:37,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13
[2021-11-13 18:15:37,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625936152]
[2021-11-13 18:15:37,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:15:37,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:15:37,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:37,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:15:37,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:15:37,404 INFO L87 Difference]: Start difference. First operand 1248 states and 1804 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58)
[2021-11-13 18:15:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:38,054 INFO L93 Difference]: Finished difference Result 2121 states and 3086 transitions.
[2021-11-13 18:15:38,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:15:38,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 482
[2021-11-13 18:15:38,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:38,064 INFO L225 Difference]: With dead ends: 2121
[2021-11-13 18:15:38,064 INFO L226 Difference]: Without dead ends: 1205
[2021-11-13 18:15:38,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210
[2021-11-13 18:15:38,070 INFO L933 BasicCegarLoop]: 825 mSDtfsCounter, 8 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 532.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.07ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 554.30ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:38,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 3264 Invalid, 19 Unknown, 0 Unchecked, 4.07ms Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 554.30ms Time]
[2021-11-13 18:15:38,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states.
[2021-11-13 18:15:38,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1161.
[2021-11-13 18:15:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 744 states have (on average 1.331989247311828) internal successors, (991), 786 states have internal predecessors, (991), 330 states have call successors, (330), 82 states have call predecessors, (330), 86 states have return successors, (345), 325 states have call predecessors, (345), 329 states have call successors, (345)
[2021-11-13 18:15:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1666 transitions.
[2021-11-13 18:15:38,167 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1666 transitions. Word has length 482
[2021-11-13 18:15:38,168 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:38,168 INFO L470 AbstractCegarLoop]: Abstraction has 1161 states and 1666 transitions.
[2021-11-13 18:15:38,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58)
[2021-11-13 18:15:38,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1666 transitions.
[2021-11-13 18:15:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474
[2021-11-13 18:15:38,176 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:38,177 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:38,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2021-11-13 18:15:38,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2021-11-13 18:15:38,391 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:38,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:38,392 INFO L85 PathProgramCache]: Analyzing trace with hash 13882699, now seen corresponding path program 1 times
[2021-11-13 18:15:38,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:38,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615314417]
[2021-11-13 18:15:38,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:38,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2021-11-13 18:15:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2021-11-13 18:15:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2021-11-13 18:15:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2021-11-13 18:15:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107
[2021-11-13 18:15:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2021-11-13 18:15:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2021-11-13 18:15:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176
[2021-11-13 18:15:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2021-11-13 18:15:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220
[2021-11-13 18:15:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-11-13 18:15:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-13 18:15:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2021-11-13 18:15:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2021-11-13 18:15:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251
[2021-11-13 18:15:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263
[2021-11-13 18:15:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275
[2021-11-13 18:15:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289
[2021-11-13 18:15:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2021-11-13 18:15:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317
[2021-11-13 18:15:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336
[2021-11-13 18:15:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2021-11-13 18:15:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373
[2021-11-13 18:15:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379
[2021-11-13 18:15:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386
[2021-11-13 18:15:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395
[2021-11-13 18:15:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415
[2021-11-13 18:15:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419
[2021-11-13 18:15:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423
[2021-11-13 18:15:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436
[2021-11-13 18:15:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453
[2021-11-13 18:15:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458
[2021-11-13 18:15:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464
[2021-11-13 18:15:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked.
[2021-11-13 18:15:39,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:39,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615314417]
[2021-11-13 18:15:39,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615314417] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:39,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539359168]
[2021-11-13 18:15:39,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:39,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:39,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:39,099 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:39,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-11-13 18:15:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:40,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 2403 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-11-13 18:15:40,152 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:15:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 152 proven. 1 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked.
[2021-11-13 18:15:40,921 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:15:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked.
[2021-11-13 18:15:42,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539359168] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:15:42,041 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:15:42,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16
[2021-11-13 18:15:42,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569911426]
[2021-11-13 18:15:42,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:15:42,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2021-11-13 18:15:42,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:42,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2021-11-13 18:15:42,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240
[2021-11-13 18:15:42,044 INFO L87 Difference]: Start difference. First operand 1161 states and 1666 transitions. Second operand has 16 states, 16 states have (on average 15.1875) internal successors, (243), 11 states have internal predecessors, (243), 2 states have call successors, (129), 6 states have call predecessors, (129), 5 states have return successors, (118), 3 states have call predecessors, (118), 2 states have call successors, (118)
[2021-11-13 18:15:46,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:46,276 INFO L93 Difference]: Finished difference Result 2435 states and 3578 transitions.
[2021-11-13 18:15:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2021-11-13 18:15:46,277 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 15.1875) internal successors, (243), 11 states have internal predecessors, (243), 2 states have call successors, (129), 6 states have call predecessors, (129), 5 states have return successors, (118), 3 states have call predecessors, (118), 2 states have call successors, (118) Word has length 473
[2021-11-13 18:15:46,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:46,288 INFO L225 Difference]: With dead ends: 2435
[2021-11-13 18:15:46,288 INFO L226 Difference]: Without dead ends: 1293
[2021-11-13 18:15:46,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1120 GetRequests, 1092 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870
[2021-11-13 18:15:46,295 INFO L933 BasicCegarLoop]: 733 mSDtfsCounter, 306 mSDsluCounter, 6587 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3471.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 7320 SdHoareTripleChecker+Invalid, 2849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.55ms SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3821.58ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:46,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 7320 Invalid, 2849 Unknown, 0 Unchecked, 24.55ms Time], IncrementalHoareTripleChecker [501 Valid, 2348 Invalid, 0 Unknown, 0 Unchecked, 3821.58ms Time]
[2021-11-13 18:15:46,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states.
[2021-11-13 18:15:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1191.
[2021-11-13 18:15:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 769 states have (on average 1.3250975292587777) internal successors, (1019), 811 states have internal predecessors, (1019), 330 states have call successors, (330), 83 states have call predecessors, (330), 91 states have return successors, (351), 329 states have call predecessors, (351), 329 states have call successors, (351)
[2021-11-13 18:15:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1700 transitions.
[2021-11-13 18:15:46,401 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1700 transitions. Word has length 473
[2021-11-13 18:15:46,402 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:46,402 INFO L470 AbstractCegarLoop]: Abstraction has 1191 states and 1700 transitions.
[2021-11-13 18:15:46,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.1875) internal successors, (243), 11 states have internal predecessors, (243), 2 states have call successors, (129), 6 states have call predecessors, (129), 5 states have return successors, (118), 3 states have call predecessors, (118), 2 states have call successors, (118)
[2021-11-13 18:15:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1700 transitions.
[2021-11-13 18:15:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500
[2021-11-13 18:15:46,412 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:46,412 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:46,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2021-11-13 18:15:46,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2021-11-13 18:15:46,639 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:46,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:46,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1899891663, now seen corresponding path program 1 times
[2021-11-13 18:15:46,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:46,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585646498]
[2021-11-13 18:15:46,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:46,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2021-11-13 18:15:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2021-11-13 18:15:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2021-11-13 18:15:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2021-11-13 18:15:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2021-11-13 18:15:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2021-11-13 18:15:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:15:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2021-11-13 18:15:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-11-13 18:15:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2021-11-13 18:15:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173
[2021-11-13 18:15:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196
[2021-11-13 18:15:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210
[2021-11-13 18:15:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2021-11-13 18:15:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:15:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2021-11-13 18:15:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-11-13 18:15:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2021-11-13 18:15:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2021-11-13 18:15:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289
[2021-11-13 18:15:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2021-11-13 18:15:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315
[2021-11-13 18:15:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2021-11-13 18:15:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2021-11-13 18:15:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362
[2021-11-13 18:15:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369
[2021-11-13 18:15:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399
[2021-11-13 18:15:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405
[2021-11-13 18:15:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412
[2021-11-13 18:15:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421
[2021-11-13 18:15:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441
[2021-11-13 18:15:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445
[2021-11-13 18:15:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449
[2021-11-13 18:15:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462
[2021-11-13 18:15:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479
[2021-11-13 18:15:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484
[2021-11-13 18:15:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490
[2021-11-13 18:15:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked.
[2021-11-13 18:15:47,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:47,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585646498]
[2021-11-13 18:15:47,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585646498] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:47,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849189507]
[2021-11-13 18:15:47,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:47,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:47,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:47,773 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:47,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2021-11-13 18:15:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:48,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 25 conjunts are in the unsatisfiable core
[2021-11-13 18:15:48,330 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:15:49,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 373 proven. 50 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked.
[2021-11-13 18:15:49,474 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:15:50,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 36 proven. 51 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked.
[2021-11-13 18:15:50,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849189507] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:15:50,787 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:15:50,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 6] total 25
[2021-11-13 18:15:50,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574674688]
[2021-11-13 18:15:50,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:15:50,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2021-11-13 18:15:50,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:15:50,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2021-11-13 18:15:50,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600
[2021-11-13 18:15:50,790 INFO L87 Difference]: Start difference. First operand 1191 states and 1700 transitions. Second operand has 25 states, 25 states have (on average 9.88) internal successors, (247), 21 states have internal predecessors, (247), 2 states have call successors, (125), 6 states have call predecessors, (125), 5 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109)
[2021-11-13 18:15:57,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:15:57,697 INFO L93 Difference]: Finished difference Result 2478 states and 3579 transitions.
[2021-11-13 18:15:57,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2021-11-13 18:15:57,698 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 9.88) internal successors, (247), 21 states have internal predecessors, (247), 2 states have call successors, (125), 6 states have call predecessors, (125), 5 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 499
[2021-11-13 18:15:57,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:15:57,705 INFO L225 Difference]: With dead ends: 2478
[2021-11-13 18:15:57,705 INFO L226 Difference]: Without dead ends: 1296
[2021-11-13 18:15:57,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1182 GetRequests, 1141 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=311, Invalid=1495, Unknown=0, NotChecked=0, Total=1806
[2021-11-13 18:15:57,711 INFO L933 BasicCegarLoop]: 735 mSDtfsCounter, 380 mSDsluCounter, 8730 mSDsCounter, 0 mSdLazyCounter, 3279 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5489.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 9465 SdHoareTripleChecker+Invalid, 3790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.60ms SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 3279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6005.23ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:15:57,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 9465 Invalid, 3790 Unknown, 0 Unchecked, 40.60ms Time], IncrementalHoareTripleChecker [511 Valid, 3279 Invalid, 0 Unknown, 0 Unchecked, 6005.23ms Time]
[2021-11-13 18:15:57,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states.
[2021-11-13 18:15:57,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1194.
[2021-11-13 18:15:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 772 states have (on average 1.3199481865284974) internal successors, (1019), 814 states have internal predecessors, (1019), 330 states have call successors, (330), 83 states have call predecessors, (330), 91 states have return successors, (351), 329 states have call predecessors, (351), 329 states have call successors, (351)
[2021-11-13 18:15:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1700 transitions.
[2021-11-13 18:15:57,828 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1700 transitions. Word has length 499
[2021-11-13 18:15:57,829 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:15:57,829 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 1700 transitions.
[2021-11-13 18:15:57,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.88) internal successors, (247), 21 states have internal predecessors, (247), 2 states have call successors, (125), 6 states have call predecessors, (125), 5 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109)
[2021-11-13 18:15:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1700 transitions.
[2021-11-13 18:15:57,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514
[2021-11-13 18:15:57,839 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:15:57,839 INFO L514 BasicCegarLoop]: trace histogram [28, 21, 21, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:57,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2021-11-13 18:15:58,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2021-11-13 18:15:58,066 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:15:58,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:15:58,067 INFO L85 PathProgramCache]: Analyzing trace with hash -348241123, now seen corresponding path program 2 times
[2021-11-13 18:15:58,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:15:58,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555627826]
[2021-11-13 18:15:58,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:15:58,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:15:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:15:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:15:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:15:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:15:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79
[2021-11-13 18:15:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2021-11-13 18:15:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2021-11-13 18:15:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2021-11-13 18:15:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2021-11-13 18:15:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2021-11-13 18:15:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:15:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2021-11-13 18:15:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-11-13 18:15:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2021-11-13 18:15:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181
[2021-11-13 18:15:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:15:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:15:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204
[2021-11-13 18:15:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218
[2021-11-13 18:15:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248
[2021-11-13 18:15:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:15:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2021-11-13 18:15:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-11-13 18:15:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2021-11-13 18:15:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285
[2021-11-13 18:15:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297
[2021-11-13 18:15:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2021-11-13 18:15:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:15:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323
[2021-11-13 18:15:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335
[2021-11-13 18:15:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351
[2021-11-13 18:15:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:15:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370
[2021-11-13 18:15:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2021-11-13 18:15:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:15:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:15:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:15:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407
[2021-11-13 18:15:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413
[2021-11-13 18:15:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420
[2021-11-13 18:15:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429
[2021-11-13 18:15:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449
[2021-11-13 18:15:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453
[2021-11-13 18:15:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457
[2021-11-13 18:15:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470
[2021-11-13 18:15:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:15:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:15:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493
[2021-11-13 18:15:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498
[2021-11-13 18:15:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504
[2021-11-13 18:15:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:15:59,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked.
[2021-11-13 18:15:59,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:15:59,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555627826]
[2021-11-13 18:15:59,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555627826] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:15:59,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11256034]
[2021-11-13 18:15:59,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:15:59,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:15:59,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:15:59,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:15:59,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2021-11-13 18:16:02,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-13 18:16:02,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:16:02,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 19 conjunts are in the unsatisfiable core
[2021-11-13 18:16:02,745 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:16:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 348 proven. 15 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked.
[2021-11-13 18:16:03,757 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:16:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked.
[2021-11-13 18:16:05,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11256034] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:16:05,106 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:16:05,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26
[2021-11-13 18:16:05,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863149664]
[2021-11-13 18:16:05,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:16:05,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2021-11-13 18:16:05,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:05,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2021-11-13 18:16:05,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650
[2021-11-13 18:16:05,110 INFO L87 Difference]: Start difference. First operand 1194 states and 1700 transitions. Second operand has 26 states, 26 states have (on average 9.384615384615385) internal successors, (244), 22 states have internal predecessors, (244), 2 states have call successors, (127), 6 states have call predecessors, (127), 4 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108)
[2021-11-13 18:16:09,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:09,716 INFO L93 Difference]: Finished difference Result 2477 states and 3571 transitions.
[2021-11-13 18:16:09,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2021-11-13 18:16:09,717 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 9.384615384615385) internal successors, (244), 22 states have internal predecessors, (244), 2 states have call successors, (127), 6 states have call predecessors, (127), 4 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 513
[2021-11-13 18:16:09,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:09,723 INFO L225 Difference]: With dead ends: 2477
[2021-11-13 18:16:09,724 INFO L226 Difference]: Without dead ends: 1299
[2021-11-13 18:16:09,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1210 GetRequests, 1169 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=405, Invalid=1401, Unknown=0, NotChecked=0, Total=1806
[2021-11-13 18:16:09,730 INFO L933 BasicCegarLoop]: 744 mSDtfsCounter, 410 mSDsluCounter, 5987 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3640.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 6731 SdHoareTripleChecker+Invalid, 2921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.21ms SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4022.72ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:09,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 6731 Invalid, 2921 Unknown, 0 Unchecked, 24.21ms Time], IncrementalHoareTripleChecker [729 Valid, 2192 Invalid, 0 Unknown, 0 Unchecked, 4022.72ms Time]
[2021-11-13 18:16:09,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states.
[2021-11-13 18:16:09,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1197.
[2021-11-13 18:16:09,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 775 states have (on average 1.3187096774193547) internal successors, (1022), 817 states have internal predecessors, (1022), 330 states have call successors, (330), 83 states have call predecessors, (330), 91 states have return successors, (351), 329 states have call predecessors, (351), 329 states have call successors, (351)
[2021-11-13 18:16:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1703 transitions.
[2021-11-13 18:16:09,842 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1703 transitions. Word has length 513
[2021-11-13 18:16:09,842 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:09,843 INFO L470 AbstractCegarLoop]: Abstraction has 1197 states and 1703 transitions.
[2021-11-13 18:16:09,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.384615384615385) internal successors, (244), 22 states have internal predecessors, (244), 2 states have call successors, (127), 6 states have call predecessors, (127), 4 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108)
[2021-11-13 18:16:09,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1703 transitions.
[2021-11-13 18:16:09,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520
[2021-11-13 18:16:09,852 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:09,852 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:09,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2021-11-13 18:16:10,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:16:10,067 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:10,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:10,068 INFO L85 PathProgramCache]: Analyzing trace with hash 908994673, now seen corresponding path program 3 times
[2021-11-13 18:16:10,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:10,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013768115]
[2021-11-13 18:16:10,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:10,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:16:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:16:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:16:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:16:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:16:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2021-11-13 18:16:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2021-11-13 18:16:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108
[2021-11-13 18:16:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123
[2021-11-13 18:16:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2021-11-13 18:16:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2021-11-13 18:16:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:16:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:16:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2021-11-13 18:16:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-11-13 18:16:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2021-11-13 18:16:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193
[2021-11-13 18:16:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:16:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:16:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216
[2021-11-13 18:16:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230
[2021-11-13 18:16:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:16:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:16:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:16:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260
[2021-11-13 18:16:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:16:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:16:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2021-11-13 18:16:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-11-13 18:16:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2021-11-13 18:16:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297
[2021-11-13 18:16:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2021-11-13 18:16:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321
[2021-11-13 18:16:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335
[2021-11-13 18:16:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347
[2021-11-13 18:16:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363
[2021-11-13 18:16:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382
[2021-11-13 18:16:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389
[2021-11-13 18:16:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:16:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:16:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:16:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419
[2021-11-13 18:16:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425
[2021-11-13 18:16:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432
[2021-11-13 18:16:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441
[2021-11-13 18:16:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461
[2021-11-13 18:16:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465
[2021-11-13 18:16:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469
[2021-11-13 18:16:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482
[2021-11-13 18:16:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499
[2021-11-13 18:16:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:10,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504
[2021-11-13 18:16:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:11,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510
[2021-11-13 18:16:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:11,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2118 trivial. 0 not checked.
[2021-11-13 18:16:11,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:16:11,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013768115]
[2021-11-13 18:16:11,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013768115] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:11,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:11,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-11-13 18:16:11,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524377381]
[2021-11-13 18:16:11,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:11,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 18:16:11,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:11,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:16:11,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:16:11,013 INFO L87 Difference]: Start difference. First operand 1197 states and 1703 transitions. Second operand has 8 states, 8 states have (on average 20.125) internal successors, (161), 4 states have internal predecessors, (161), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56)
[2021-11-13 18:16:12,917 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 18:16:19,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:19,232 INFO L93 Difference]: Finished difference Result 4374 states and 6386 transitions.
[2021-11-13 18:16:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-11-13 18:16:19,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 4 states have internal predecessors, (161), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 519
[2021-11-13 18:16:19,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:19,251 INFO L225 Difference]: With dead ends: 4374
[2021-11-13 18:16:19,251 INFO L226 Difference]: Without dead ends: 3422
[2021-11-13 18:16:19,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210
[2021-11-13 18:16:19,258 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 1507 mSDsluCounter, 2685 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 1232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7147.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 3725 SdHoareTripleChecker+Invalid, 3741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.49ms SdHoareTripleChecker+Time, 1232 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7760.87ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:19,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1728 Valid, 3725 Invalid, 3741 Unknown, 0 Unchecked, 31.49ms Time], IncrementalHoareTripleChecker [1232 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 7760.87ms Time]
[2021-11-13 18:16:19,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states.
[2021-11-13 18:16:19,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 2983.
[2021-11-13 18:16:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 1936 states have (on average 1.3321280991735538) internal successors, (2579), 2037 states have internal predecessors, (2579), 820 states have call successors, (820), 204 states have call predecessors, (820), 226 states have return successors, (874), 817 states have call predecessors, (874), 819 states have call successors, (874)
[2021-11-13 18:16:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 4273 transitions.
[2021-11-13 18:16:19,587 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 4273 transitions. Word has length 519
[2021-11-13 18:16:19,588 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:19,588 INFO L470 AbstractCegarLoop]: Abstraction has 2983 states and 4273 transitions.
[2021-11-13 18:16:19,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 4 states have internal predecessors, (161), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56)
[2021-11-13 18:16:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 4273 transitions.
[2021-11-13 18:16:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526
[2021-11-13 18:16:19,610 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:19,611 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:19,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-11-13 18:16:19,611 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:19,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:19,612 INFO L85 PathProgramCache]: Analyzing trace with hash -174797163, now seen corresponding path program 1 times
[2021-11-13 18:16:19,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:19,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169055320]
[2021-11-13 18:16:19,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:19,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:16:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:16:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:16:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2021-11-13 18:16:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2021-11-13 18:16:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2021-11-13 18:16:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2021-11-13 18:16:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108
[2021-11-13 18:16:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123
[2021-11-13 18:16:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2021-11-13 18:16:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2021-11-13 18:16:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:16:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:16:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2021-11-13 18:16:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-11-13 18:16:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2021-11-13 18:16:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193
[2021-11-13 18:16:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-11-13 18:16:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:16:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216
[2021-11-13 18:16:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230
[2021-11-13 18:16:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:16:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:16:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:16:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260
[2021-11-13 18:16:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:16:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:16:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2021-11-13 18:16:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-11-13 18:16:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2021-11-13 18:16:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297
[2021-11-13 18:16:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2021-11-13 18:16:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321
[2021-11-13 18:16:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2021-11-13 18:16:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335
[2021-11-13 18:16:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347
[2021-11-13 18:16:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363
[2021-11-13 18:16:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-11-13 18:16:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382
[2021-11-13 18:16:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389
[2021-11-13 18:16:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-11-13 18:16:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-11-13 18:16:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2021-11-13 18:16:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419
[2021-11-13 18:16:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425
[2021-11-13 18:16:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432
[2021-11-13 18:16:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441
[2021-11-13 18:16:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461
[2021-11-13 18:16:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465
[2021-11-13 18:16:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469
[2021-11-13 18:16:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482
[2021-11-13 18:16:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2021-11-13 18:16:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:16:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505
[2021-11-13 18:16:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510
[2021-11-13 18:16:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516
[2021-11-13 18:16:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 2115 trivial. 0 not checked.
[2021-11-13 18:16:20,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:16:20,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169055320]
[2021-11-13 18:16:20,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169055320] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:20,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:20,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2021-11-13 18:16:20,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215899849]
[2021-11-13 18:16:20,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:20,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:16:20,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:16:20,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:16:20,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:16:20,782 INFO L87 Difference]: Start difference. First operand 2983 states and 4273 transitions. Second operand has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 7 states have internal predecessors, (166), 2 states have call successors, (57), 6 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58)
[2021-11-13 18:16:24,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:24,531 INFO L93 Difference]: Finished difference Result 6137 states and 8984 transitions.
[2021-11-13 18:16:24,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2021-11-13 18:16:24,532 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 7 states have internal predecessors, (166), 2 states have call successors, (57), 6 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) Word has length 525
[2021-11-13 18:16:24,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:24,549 INFO L225 Difference]: With dead ends: 6137
[2021-11-13 18:16:24,550 INFO L226 Difference]: Without dead ends: 3209
[2021-11-13 18:16:24,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420
[2021-11-13 18:16:24,565 INFO L933 BasicCegarLoop]: 742 mSDtfsCounter, 389 mSDsluCounter, 5092 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2996.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 5834 SdHoareTripleChecker+Invalid, 2503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.45ms SdHoareTripleChecker+Time, 706 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3312.38ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:24,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 5834 Invalid, 2503 Unknown, 0 Unchecked, 24.45ms Time], IncrementalHoareTripleChecker [706 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 3312.38ms Time]
[2021-11-13 18:16:24,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states.
[2021-11-13 18:16:24,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 2983.
[2021-11-13 18:16:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 1936 states have (on average 1.3274793388429753) internal successors, (2570), 2037 states have internal predecessors, (2570), 820 states have call successors, (820), 204 states have call predecessors, (820), 226 states have return successors, (874), 817 states have call predecessors, (874), 819 states have call successors, (874)
[2021-11-13 18:16:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 4264 transitions.
[2021-11-13 18:16:24,927 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 4264 transitions. Word has length 525
[2021-11-13 18:16:24,927 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:24,928 INFO L470 AbstractCegarLoop]: Abstraction has 2983 states and 4264 transitions.
[2021-11-13 18:16:24,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 7 states have internal predecessors, (166), 2 states have call successors, (57), 6 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58)
[2021-11-13 18:16:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 4264 transitions.
[2021-11-13 18:16:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520
[2021-11-13 18:16:24,945 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:24,946 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:24,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-11-13 18:16:24,946 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:24,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:24,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1056992081, now seen corresponding path program 2 times
[2021-11-13 18:16:24,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:16:24,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748346633]
[2021-11-13 18:16:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:24,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:16:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:16:25,929 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:16:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:16:28,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:16:28,327 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 18:16:28,328 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:16:28,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2021-11-13 18:16:28,334 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:28,341 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:16:28,489 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,490 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,491 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,492 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,492 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,493 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,493 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,493 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,494 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,495 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,495 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,495 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,495 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,496 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,498 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,499 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,499 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,500 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,500 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,500 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,500 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,501 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,501 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,501 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,501 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,502 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,502 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,502 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,503 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,503 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,504 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,504 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,504 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,507 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,508 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,508 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,508 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,508 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,510 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,511 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,511 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,519 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,532 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,532 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,532 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,533 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,533 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,533 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,533 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,534 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,534 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,535 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,535 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,536 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,536 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,536 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,537 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,537 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,537 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,537 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,538 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,538 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,538 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,539 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,539 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,539 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,539 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,541 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,542 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,542 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,542 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,543 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,543 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,544 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,544 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,544 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,545 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,545 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,545 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,545 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,546 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,546 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,546 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,547 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,547 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,547 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,548 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,548 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,548 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,548 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,549 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,549 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,549 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,549 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
[2021-11-13 18:16:28,550 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
[2021-11-13 18:16:28,678 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.NullPointerException
at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230)
at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206)
at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132)
at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:155)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2021-11-13 18:16:28,682 INFO L158 Benchmark]: Toolchain (without parser) took 126736.97ms. Allocated memory was 98.6MB in the beginning and 664.8MB in the end (delta: 566.2MB). Free memory was 61.1MB in the beginning and 351.4MB in the end (delta: -290.4MB). Peak memory consumption was 432.1MB. Max. memory is 16.1GB.
[2021-11-13 18:16:28,682 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:16:28,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1540.26ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 60.8MB in the beginning and 75.7MB in the end (delta: -14.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB.
[2021-11-13 18:16:28,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.02ms. Allocated memory is still 119.5MB. Free memory was 75.7MB in the beginning and 69.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:16:28,688 INFO L158 Benchmark]: Boogie Preprocessor took 96.52ms. Allocated memory is still 119.5MB. Free memory was 69.4MB in the beginning and 63.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:16:28,689 INFO L158 Benchmark]: RCFGBuilder took 3219.01ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 63.1MB in the beginning and 98.0MB in the end (delta: -34.9MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB.
[2021-11-13 18:16:28,689 INFO L158 Benchmark]: TraceAbstraction took 121732.07ms. Allocated memory was 182.5MB in the beginning and 664.8MB in the end (delta: 482.3MB). Free memory was 97.0MB in the beginning and 351.4MB in the end (delta: -254.5MB). Peak memory consumption was 383.1MB. Max. memory is 16.1GB.
[2021-11-13 18:16:28,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1540.26ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 60.8MB in the beginning and 75.7MB in the end (delta: -14.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 142.02ms. Allocated memory is still 119.5MB. Free memory was 75.7MB in the beginning and 69.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 96.52ms. Allocated memory is still 119.5MB. Free memory was 69.4MB in the beginning and 63.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* RCFGBuilder took 3219.01ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 63.1MB in the beginning and 98.0MB in the end (delta: -34.9MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 121732.07ms. Allocated memory was 182.5MB in the beginning and 664.8MB in the end (delta: 482.3MB). Free memory was 97.0MB in the beginning and 351.4MB in the end (delta: -254.5MB). Peak memory consumption was 383.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- ExceptionOrErrorResult: NullPointerException: null
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2021-11-13 18:16:28,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/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_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/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 fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:16:31,345 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:16:31,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:16:31,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:16:31,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:16:31,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:16:31,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:16:31,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:16:31,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:16:31,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:16:31,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:16:31,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:16:31,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:16:31,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:16:31,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:16:31,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:16:31,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:16:31,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:16:31,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:16:31,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:16:31,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:16:31,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:16:31,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:16:31,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:16:31,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:16:31,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:16:31,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:16:31,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:16:31,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:16:31,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:16:31,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:16:31,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:16:31,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:16:31,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:16:31,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:16:31,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:16:31,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:16:31,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:16:31,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:16:31,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:16:31,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:16:31,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2021-11-13 18:16:31,476 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:16:31,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:16:31,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:16:31,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:16:31,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:16:31,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:16:31,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:16:31,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:16:31,480 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:16:31,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:16:31,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:16:31,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:16:31,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:16:31,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:16:31,481 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-11-13 18:16:31,481 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-13 18:16:31,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:16:31,482 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:16:31,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:16:31,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:16:31,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:16:31,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:16:31,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:16:31,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:16:31,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:16:31,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:16:31,484 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-11-13 18:16:31,484 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-13 18:16:31,484 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:16:31,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:16:31,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:16:31,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:16:31,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-13 18:16:31,486 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
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_3b7b6735-4f0c-4472-b819-68b1899ccabd/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651
[2021-11-13 18:16:31,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:16:31,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:16:31,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:16:31,907 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:16:31,910 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:16:31,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i
[2021-11-13 18:16:31,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data/1dcccaf7f/cfed610abd91490db8cddaca28b67afa/FLAGbe196f07d
[2021-11-13 18:16:32,857 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:16:32,858 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i
[2021-11-13 18:16:32,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data/1dcccaf7f/cfed610abd91490db8cddaca28b67afa/FLAGbe196f07d
[2021-11-13 18:16:32,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/data/1dcccaf7f/cfed610abd91490db8cddaca28b67afa
[2021-11-13 18:16:32,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:16:32,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:16:32,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:16:32,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:16:32,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:16:32,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:16:32" (1/1) ...
[2021-11-13 18:16:32,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e031e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:32, skipping insertion in model container
[2021-11-13 18:16:32,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:16:32" (1/1) ...
[2021-11-13 18:16:32,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:16:33,041 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:16:33,858 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_3b7b6735-4f0c-4472-b819-68b1899ccabd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175]
[2021-11-13 18:16:33,911 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:16:33,978 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:16:34,258 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_3b7b6735-4f0c-4472-b819-68b1899ccabd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175]
[2021-11-13 18:16:34,272 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:16:34,329 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:16:34,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34 WrapperNode
[2021-11-13 18:16:34,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:16:34,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:16:34,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:16:34,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:16:34,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:16:34,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:16:34,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:16:34,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:16:34,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:16:34,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:16:34,642 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:16:34,643 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:16:34,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (1/1) ...
[2021-11-13 18:16:34,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:16:34,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:16:34,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:16:34,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:16:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop
[2021-11-13 18:16:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop
[2021-11-13 18:16:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write
[2021-11-13 18:16:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write
[2021-11-13 18:16:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout
[2021-11-13 18:16:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout
[2021-11-13 18:16:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8
[2021-11-13 18:16:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-13 18:16:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop
[2021-11-13 18:16:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop
[2021-11-13 18:16:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2021-11-13 18:16:34,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2021-11-13 18:16:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time
[2021-11-13 18:16:34,742 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time
[2021-11-13 18:16:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier
[2021-11-13 18:16:34,742 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier
[2021-11-13 18:16:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit
[2021-11-13 18:16:34,743 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit
[2021-11-13 18:16:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit
[2021-11-13 18:16:34,743 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit
[2021-11-13 18:16:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region
[2021-11-13 18:16:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region
[2021-11-13 18:16:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error
[2021-11-13 18:16:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error
[2021-11-13 18:16:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select
[2021-11-13 18:16:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select
[2021-11-13 18:16:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4
[2021-11-13 18:16:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1
[2021-11-13 18:16:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit
[2021-11-13 18:16:34,745 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit
[2021-11-13 18:16:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter
[2021-11-13 18:16:34,746 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter
[2021-11-13 18:16:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc
[2021-11-13 18:16:34,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc
[2021-11-13 18:16:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-11-13 18:16:34,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-11-13 18:16:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive
[2021-11-13 18:16:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive
[2021-11-13 18:16:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb
[2021-11-13 18:16:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb
[2021-11-13 18:16:34,748 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb
[2021-11-13 18:16:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb
[2021-11-13 18:16:34,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:16:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit
[2021-11-13 18:16:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit
[2021-11-13 18:16:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset
[2021-11-13 18:16:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset
[2021-11-13 18:16:34,750 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw
[2021-11-13 18:16:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw
[2021-11-13 18:16:34,750 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw
[2021-11-13 18:16:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw
[2021-11-13 18:16:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-13 18:16:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:16:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-13 18:16:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8
[2021-11-13 18:16:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:16:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-13 18:16:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-11-13 18:16:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2
[2021-11-13 18:16:34,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-13 18:16:34,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4
[2021-11-13 18:16:34,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8
[2021-11-13 18:16:34,757 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault
[2021-11-13 18:16:34,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault
[2021-11-13 18:16:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start
[2021-11-13 18:16:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start
[2021-11-13 18:16:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure inb
[2021-11-13 18:16:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure inb
[2021-11-13 18:16:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure outb
[2021-11-13 18:16:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure outb
[2021-11-13 18:16:34,760 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit
[2021-11-13 18:16:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit
[2021-11-13 18:16:34,760 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region
[2021-11-13 18:16:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region
[2021-11-13 18:16:34,761 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit
[2021-11-13 18:16:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit
[2021-11-13 18:16:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:16:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:16:35,552 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2021-11-13 18:16:39,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:16:39,653 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-13 18:16:39,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:16:39 BoogieIcfgContainer
[2021-11-13 18:16:39,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:16:39,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:16:39,661 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:16:39,665 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:16:39,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:16:32" (1/3) ...
[2021-11-13 18:16:39,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460f1739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:16:39, skipping insertion in model container
[2021-11-13 18:16:39,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:34" (2/3) ...
[2021-11-13 18:16:39,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460f1739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:16:39, skipping insertion in model container
[2021-11-13 18:16:39,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:16:39" (3/3) ...
[2021-11-13 18:16:39,670 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i
[2021-11-13 18:16:39,676 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:16:39,677 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:16:39,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:16:39,753 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 18:16:39,753 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:16:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 570 states, 358 states have (on average 1.4078212290502794) internal successors, (504), 390 states have internal predecessors, (504), 181 states have call successors, (181), 30 states have call predecessors, (181), 29 states have return successors, (177), 172 states have call predecessors, (177), 177 states have call successors, (177)
[2021-11-13 18:16:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2021-11-13 18:16:39,810 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:39,811 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:39,814 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:39,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:39,826 INFO L85 PathProgramCache]: Analyzing trace with hash 645771615, now seen corresponding path program 1 times
[2021-11-13 18:16:39,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:16:39,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902686075]
[2021-11-13 18:16:39,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:39,848 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:16:39,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:16:39,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:16:39,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-13 18:16:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:40,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-11-13 18:16:40,703 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:16:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked.
[2021-11-13 18:16:41,153 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:16:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2021-11-13 18:16:41,652 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:16:41,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902686075]
[2021-11-13 18:16:41,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902686075] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:16:41,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:16:41,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2021-11-13 18:16:41,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831180081]
[2021-11-13 18:16:41,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:41,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:16:41,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:16:41,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:16:41,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:16:41,704 INFO L87 Difference]: Start difference. First operand has 570 states, 358 states have (on average 1.4078212290502794) internal successors, (504), 390 states have internal predecessors, (504), 181 states have call successors, (181), 30 states have call predecessors, (181), 29 states have return successors, (177), 172 states have call predecessors, (177), 177 states have call successors, (177) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2021-11-13 18:16:41,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:41,818 INFO L93 Difference]: Finished difference Result 1135 states and 1749 transitions.
[2021-11-13 18:16:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:16:41,821 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 137
[2021-11-13 18:16:41,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:41,846 INFO L225 Difference]: With dead ends: 1135
[2021-11-13 18:16:41,846 INFO L226 Difference]: Without dead ends: 559
[2021-11-13 18:16:41,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:16:41,865 INFO L933 BasicCegarLoop]: 858 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:41,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 8.84ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:16:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states.
[2021-11-13 18:16:41,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559.
[2021-11-13 18:16:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 353 states have (on average 1.3937677053824362) internal successors, (492), 379 states have internal predecessors, (492), 177 states have call successors, (177), 29 states have call predecessors, (177), 28 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176)
[2021-11-13 18:16:42,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 845 transitions.
[2021-11-13 18:16:42,007 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 845 transitions. Word has length 137
[2021-11-13 18:16:42,007 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:42,008 INFO L470 AbstractCegarLoop]: Abstraction has 559 states and 845 transitions.
[2021-11-13 18:16:42,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2021-11-13 18:16:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 845 transitions.
[2021-11-13 18:16:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2021-11-13 18:16:42,036 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:42,036 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:42,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:16:42,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:16:42,259 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:42,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1599788631, now seen corresponding path program 1 times
[2021-11-13 18:16:42,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:16:42,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800910026]
[2021-11-13 18:16:42,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:42,264 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:16:42,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:16:42,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:16:42,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-13 18:16:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:42,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-11-13 18:16:42,962 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:16:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked.
[2021-11-13 18:16:43,411 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:16:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked.
[2021-11-13 18:16:43,903 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:16:43,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800910026]
[2021-11-13 18:16:43,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800910026] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:16:43,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:16:43,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2021-11-13 18:16:43,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663731922]
[2021-11-13 18:16:43,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:43,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:16:43,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:16:43,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:16:43,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:16:43,911 INFO L87 Difference]: Start difference. First operand 559 states and 845 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2021-11-13 18:16:44,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:44,115 INFO L93 Difference]: Finished difference Result 1110 states and 1683 transitions.
[2021-11-13 18:16:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:16:44,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137
[2021-11-13 18:16:44,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:44,134 INFO L225 Difference]: With dead ends: 1110
[2021-11-13 18:16:44,134 INFO L226 Difference]: Without dead ends: 560
[2021-11-13 18:16:44,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:16:44,146 INFO L933 BasicCegarLoop]: 843 mSDtfsCounter, 3 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2516 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.37ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.95ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:44,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 2516 Invalid, 23 Unknown, 0 Unchecked, 28.37ms Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 83.95ms Time]
[2021-11-13 18:16:44,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states.
[2021-11-13 18:16:44,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560.
[2021-11-13 18:16:44,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 354 states have (on average 1.3926553672316384) internal successors, (493), 380 states have internal predecessors, (493), 177 states have call successors, (177), 29 states have call predecessors, (177), 28 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176)
[2021-11-13 18:16:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 846 transitions.
[2021-11-13 18:16:44,259 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 846 transitions. Word has length 137
[2021-11-13 18:16:44,262 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:44,262 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 846 transitions.
[2021-11-13 18:16:44,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2021-11-13 18:16:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 846 transitions.
[2021-11-13 18:16:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2021-11-13 18:16:44,270 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:44,270 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:44,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0
[2021-11-13 18:16:44,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:16:44,492 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:44,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:44,493 INFO L85 PathProgramCache]: Analyzing trace with hash -101419779, now seen corresponding path program 1 times
[2021-11-13 18:16:44,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:16:44,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932551334]
[2021-11-13 18:16:44,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:44,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:16:44,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:16:44,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:16:44,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-13 18:16:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:45,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-13 18:16:45,169 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:16:45,557 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked.
[2021-11-13 18:16:45,557 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:16:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked.
[2021-11-13 18:16:46,164 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:16:46,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932551334]
[2021-11-13 18:16:46,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932551334] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:16:46,165 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2021-11-13 18:16:46,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2021-11-13 18:16:46,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422927776]
[2021-11-13 18:16:46,165 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:16:46,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 18:16:46,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:16:46,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:16:46,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:16:46,169 INFO L87 Difference]: Start difference. First operand 560 states and 846 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2021-11-13 18:16:46,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:46,695 INFO L93 Difference]: Finished difference Result 1121 states and 1701 transitions.
[2021-11-13 18:16:46,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-11-13 18:16:46,696 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143
[2021-11-13 18:16:46,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:46,703 INFO L225 Difference]: With dead ends: 1121
[2021-11-13 18:16:46,703 INFO L226 Difference]: Without dead ends: 570
[2021-11-13 18:16:46,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:16:46,708 INFO L933 BasicCegarLoop]: 841 mSDtfsCounter, 13 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 211.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3348 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.59ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 261.34ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:46,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 3348 Invalid, 74 Unknown, 0 Unchecked, 12.59ms Time], IncrementalHoareTripleChecker [18 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 261.34ms Time]
[2021-11-13 18:16:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states.
[2021-11-13 18:16:46,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570.
[2021-11-13 18:16:46,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 363 states have (on average 1.3911845730027548) internal successors, (505), 389 states have internal predecessors, (505), 177 states have call successors, (177), 30 states have call predecessors, (177), 29 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176)
[2021-11-13 18:16:46,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 858 transitions.
[2021-11-13 18:16:46,767 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 858 transitions. Word has length 143
[2021-11-13 18:16:46,768 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:46,768 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 858 transitions.
[2021-11-13 18:16:46,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2021-11-13 18:16:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 858 transitions.
[2021-11-13 18:16:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2021-11-13 18:16:46,772 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:46,772 INFO L514 BasicCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:46,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:16:46,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:16:46,993 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:46,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:46,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1556088169, now seen corresponding path program 2 times
[2021-11-13 18:16:46,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:16:46,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92986306]
[2021-11-13 18:16:46,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:16:46,996 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:16:46,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:16:46,998 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:16:47,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-13 18:16:47,428 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-11-13 18:16:47,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:16:47,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-13 18:16:47,458 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:16:47,864 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked.
[2021-11-13 18:16:47,864 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:16:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked.
[2021-11-13 18:16:48,312 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:16:48,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92986306]
[2021-11-13 18:16:48,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92986306] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:48,313 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:48,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12
[2021-11-13 18:16:48,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684983281]
[2021-11-13 18:16:48,313 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:48,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2021-11-13 18:16:48,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:16:48,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-11-13 18:16:48,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:16:48,315 INFO L87 Difference]: Start difference. First operand 570 states and 858 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15)
[2021-11-13 18:16:50,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:16:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:50,777 INFO L93 Difference]: Finished difference Result 1131 states and 1708 transitions.
[2021-11-13 18:16:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-13 18:16:50,778 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) Word has length 157
[2021-11-13 18:16:50,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:50,788 INFO L225 Difference]: With dead ends: 1131
[2021-11-13 18:16:50,789 INFO L226 Difference]: Without dead ends: 600
[2021-11-13 18:16:50,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272
[2021-11-13 18:16:50,797 INFO L933 BasicCegarLoop]: 843 mSDtfsCounter, 69 mSDsluCounter, 4186 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2216.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 5029 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.55ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2260.73ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:50,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 5029 Invalid, 98 Unknown, 0 Unchecked, 14.55ms Time], IncrementalHoareTripleChecker [22 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 2260.73ms Time]
[2021-11-13 18:16:50,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states.
[2021-11-13 18:16:50,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 577.
[2021-11-13 18:16:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 369 states have (on average 1.3848238482384825) internal successors, (511), 395 states have internal predecessors, (511), 177 states have call successors, (177), 30 states have call predecessors, (177), 30 states have return successors, (184), 172 states have call predecessors, (184), 176 states have call successors, (184)
[2021-11-13 18:16:50,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 872 transitions.
[2021-11-13 18:16:50,843 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 872 transitions. Word has length 157
[2021-11-13 18:16:50,845 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:50,845 INFO L470 AbstractCegarLoop]: Abstraction has 577 states and 872 transitions.
[2021-11-13 18:16:50,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15)
[2021-11-13 18:16:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 872 transitions.
[2021-11-13 18:16:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2021-11-13 18:16:50,849 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:50,849 INFO L514 BasicCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:50,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:16:51,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:16:51,063 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:51,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:51,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1498829867, now seen corresponding path program 1 times
[2021-11-13 18:16:51,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:16:51,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209860493]
[2021-11-13 18:16:51,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:51,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:16:51,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:16:51,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:16:51,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2021-11-13 18:16:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:51,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:16:51,754 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:16:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked.
[2021-11-13 18:16:52,276 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:16:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked.
[2021-11-13 18:16:53,546 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:16:53,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209860493]
[2021-11-13 18:16:53,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209860493] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:16:53,547 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2021-11-13 18:16:53,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2021-11-13 18:16:53,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35159596]
[2021-11-13 18:16:53,548 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:16:53,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-11-13 18:16:53,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:16:53,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-11-13 18:16:53,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:16:53,550 INFO L87 Difference]: Start difference. First operand 577 states and 872 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2021-11-13 18:16:54,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:54,779 INFO L93 Difference]: Finished difference Result 1160 states and 1761 transitions.
[2021-11-13 18:16:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2021-11-13 18:16:54,781 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157
[2021-11-13 18:16:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:54,788 INFO L225 Difference]: With dead ends: 1160
[2021-11-13 18:16:54,788 INFO L226 Difference]: Without dead ends: 589
[2021-11-13 18:16:54,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420
[2021-11-13 18:16:54,796 INFO L933 BasicCegarLoop]: 845 mSDtfsCounter, 54 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 544.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 5041 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.09ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 631.99ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:54,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 5041 Invalid, 202 Unknown, 0 Unchecked, 21.09ms Time], IncrementalHoareTripleChecker [34 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 631.99ms Time]
[2021-11-13 18:16:54,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states.
[2021-11-13 18:16:54,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 583.
[2021-11-13 18:16:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 375 states have (on average 1.3813333333333333) internal successors, (518), 401 states have internal predecessors, (518), 177 states have call successors, (177), 30 states have call predecessors, (177), 30 states have return successors, (184), 172 states have call predecessors, (184), 176 states have call successors, (184)
[2021-11-13 18:16:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 879 transitions.
[2021-11-13 18:16:54,857 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 879 transitions. Word has length 157
[2021-11-13 18:16:54,858 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:54,858 INFO L470 AbstractCegarLoop]: Abstraction has 583 states and 879 transitions.
[2021-11-13 18:16:54,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2021-11-13 18:16:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 879 transitions.
[2021-11-13 18:16:54,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2021-11-13 18:16:54,863 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:54,863 INFO L514 BasicCegarLoop]: trace histogram [36, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:54,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:16:55,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:16:55,088 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:55,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:55,088 INFO L85 PathProgramCache]: Analyzing trace with hash -763751083, now seen corresponding path program 2 times
[2021-11-13 18:16:55,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:16:55,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180500088]
[2021-11-13 18:16:55,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:16:55,090 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:16:55,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:16:55,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:16:55,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2021-11-13 18:16:55,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-11-13 18:16:55,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:16:55,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:16:55,572 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:16:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked.
[2021-11-13 18:16:56,276 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:16:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked.
[2021-11-13 18:16:56,729 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:16:56,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180500088]
[2021-11-13 18:16:56,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180500088] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:16:56,729 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:16:56,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3
[2021-11-13 18:16:56,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097099425]
[2021-11-13 18:16:56,730 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:16:56,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:16:56,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:16:56,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:16:56,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:16:56,732 INFO L87 Difference]: Start difference. First operand 583 states and 879 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2021-11-13 18:16:56,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:16:56,795 INFO L93 Difference]: Finished difference Result 1121 states and 1700 transitions.
[2021-11-13 18:16:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:16:56,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173
[2021-11-13 18:16:56,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:16:56,805 INFO L225 Difference]: With dead ends: 1121
[2021-11-13 18:16:56,806 INFO L226 Difference]: Without dead ends: 1055
[2021-11-13 18:16:56,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:16:56,808 INFO L933 BasicCegarLoop]: 1074 mSDtfsCounter, 765 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.63ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:16:56,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [765 Valid, 1879 Invalid, 3 Unknown, 0 Unchecked, 7.15ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 7.63ms Time]
[2021-11-13 18:16:56,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states.
[2021-11-13 18:16:56,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055.
[2021-11-13 18:16:56,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 682 states have (on average 1.3812316715542523) internal successors, (942), 726 states have internal predecessors, (942), 315 states have call successors, (315), 56 states have call predecessors, (315), 57 states have return successors, (328), 308 states have call predecessors, (328), 314 states have call successors, (328)
[2021-11-13 18:16:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1585 transitions.
[2021-11-13 18:16:56,898 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1585 transitions. Word has length 173
[2021-11-13 18:16:56,898 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:16:56,898 INFO L470 AbstractCegarLoop]: Abstraction has 1055 states and 1585 transitions.
[2021-11-13 18:16:56,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2021-11-13 18:16:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1585 transitions.
[2021-11-13 18:16:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225
[2021-11-13 18:16:56,905 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:16:56,905 INFO L514 BasicCegarLoop]: trace histogram [36, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:16:56,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2021-11-13 18:16:57,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:16:57,119 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:16:57,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:16:57,120 INFO L85 PathProgramCache]: Analyzing trace with hash 876915675, now seen corresponding path program 1 times
[2021-11-13 18:16:57,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:16:57,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693539047]
[2021-11-13 18:16:57,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:16:57,122 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:16:57,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:16:57,123 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:16:57,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2021-11-13 18:16:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:16:58,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-11-13 18:16:58,076 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:16:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 537 proven. 3 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked.
[2021-11-13 18:16:58,664 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:16:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 60 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked.
[2021-11-13 18:16:59,604 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:16:59,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693539047]
[2021-11-13 18:16:59,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693539047] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:16:59,605 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2021-11-13 18:16:59,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2021-11-13 18:16:59,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998064228]
[2021-11-13 18:16:59,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:16:59,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:16:59,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:16:59,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:16:59,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:16:59,608 INFO L87 Difference]: Start difference. First operand 1055 states and 1585 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2021-11-13 18:17:00,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:00,071 INFO L93 Difference]: Finished difference Result 2100 states and 3155 transitions.
[2021-11-13 18:17:00,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:17:00,073 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224
[2021-11-13 18:17:00,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:00,083 INFO L225 Difference]: With dead ends: 2100
[2021-11-13 18:17:00,084 INFO L226 Difference]: Without dead ends: 1055
[2021-11-13 18:17:00,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:17:00,090 INFO L933 BasicCegarLoop]: 838 mSDtfsCounter, 29 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 234.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.60ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 275.99ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:00,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 3343 Invalid, 94 Unknown, 0 Unchecked, 11.60ms Time], IncrementalHoareTripleChecker [26 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 275.99ms Time]
[2021-11-13 18:17:00,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states.
[2021-11-13 18:17:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055.
[2021-11-13 18:17:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 682 states have (on average 1.3753665689149561) internal successors, (938), 726 states have internal predecessors, (938), 315 states have call successors, (315), 56 states have call predecessors, (315), 57 states have return successors, (328), 308 states have call predecessors, (328), 314 states have call successors, (328)
[2021-11-13 18:17:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1581 transitions.
[2021-11-13 18:17:00,161 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1581 transitions. Word has length 224
[2021-11-13 18:17:00,162 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:00,162 INFO L470 AbstractCegarLoop]: Abstraction has 1055 states and 1581 transitions.
[2021-11-13 18:17:00,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2021-11-13 18:17:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1581 transitions.
[2021-11-13 18:17:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229
[2021-11-13 18:17:00,169 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:00,169 INFO L514 BasicCegarLoop]: trace histogram [40, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:17:00,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0
[2021-11-13 18:17:00,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:17:00,389 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:00,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:00,390 INFO L85 PathProgramCache]: Analyzing trace with hash -301483749, now seen corresponding path program 2 times
[2021-11-13 18:17:00,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:17:00,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066753251]
[2021-11-13 18:17:00,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:17:00,392 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:17:00,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:17:00,393 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:17:00,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2021-11-13 18:17:06,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-13 18:17:06,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:17:06,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:17:06,724 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:17:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked.
[2021-11-13 18:17:07,185 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:17:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked.
[2021-11-13 18:17:07,710 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:17:07,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066753251]
[2021-11-13 18:17:07,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066753251] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:17:07,711 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:17:07,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2021-11-13 18:17:07,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362892459]
[2021-11-13 18:17:07,711 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:07,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:17:07,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:17:07,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:17:07,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:17:07,713 INFO L87 Difference]: Start difference. First operand 1055 states and 1581 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2021-11-13 18:17:07,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:07,919 INFO L93 Difference]: Finished difference Result 2507 states and 3740 transitions.
[2021-11-13 18:17:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:17:07,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 228
[2021-11-13 18:17:07,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:07,934 INFO L225 Difference]: With dead ends: 2507
[2021-11-13 18:17:07,934 INFO L226 Difference]: Without dead ends: 1497
[2021-11-13 18:17:07,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:17:07,941 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 407 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.72ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 123.27ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:07,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 1726 Invalid, 25 Unknown, 0 Unchecked, 6.72ms Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 123.27ms Time]
[2021-11-13 18:17:07,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states.
[2021-11-13 18:17:08,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1478.
[2021-11-13 18:17:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 930 states have (on average 1.3634408602150538) internal successors, (1268), 995 states have internal predecessors, (1268), 453 states have call successors, (453), 91 states have call predecessors, (453), 94 states have return successors, (472), 441 states have call predecessors, (472), 452 states have call successors, (472)
[2021-11-13 18:17:08,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2193 transitions.
[2021-11-13 18:17:08,035 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2193 transitions. Word has length 228
[2021-11-13 18:17:08,036 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:08,036 INFO L470 AbstractCegarLoop]: Abstraction has 1478 states and 2193 transitions.
[2021-11-13 18:17:08,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2021-11-13 18:17:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2193 transitions.
[2021-11-13 18:17:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440
[2021-11-13 18:17:08,051 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:08,051 INFO L514 BasicCegarLoop]: trace histogram [40, 17, 17, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:08,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2021-11-13 18:17:08,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:17:08,275 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:08,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:08,276 INFO L85 PathProgramCache]: Analyzing trace with hash -753061966, now seen corresponding path program 1 times
[2021-11-13 18:17:08,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:17:08,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037772817]
[2021-11-13 18:17:08,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:17:08,278 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:17:08,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:17:08,281 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:17:08,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process
[2021-11-13 18:17:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:09,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:17:09,907 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:17:10,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 1673 trivial. 0 not checked.
[2021-11-13 18:17:10,870 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:17:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 1791 trivial. 0 not checked.
[2021-11-13 18:17:12,050 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:17:12,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037772817]
[2021-11-13 18:17:12,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037772817] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:17:12,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:17:12,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10
[2021-11-13 18:17:12,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336598169]
[2021-11-13 18:17:12,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:12,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:17:12,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:17:12,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:17:12,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:17:12,053 INFO L87 Difference]: Start difference. First operand 1478 states and 2193 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50)
[2021-11-13 18:17:12,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:12,223 INFO L93 Difference]: Finished difference Result 2929 states and 4424 transitions.
[2021-11-13 18:17:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:17:12,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) Word has length 439
[2021-11-13 18:17:12,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:12,239 INFO L225 Difference]: With dead ends: 2929
[2021-11-13 18:17:12,239 INFO L226 Difference]: Without dead ends: 1506
[2021-11-13 18:17:12,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 868 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:17:12,248 INFO L933 BasicCegarLoop]: 845 mSDtfsCounter, 4 mSDsluCounter, 3375 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4220 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.68ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:12,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 4220 Invalid, 19 Unknown, 0 Unchecked, 10.68ms Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 56.68ms Time]
[2021-11-13 18:17:12,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states.
[2021-11-13 18:17:12,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1498.
[2021-11-13 18:17:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 946 states have (on average 1.357293868921776) internal successors, (1284), 1011 states have internal predecessors, (1284), 453 states have call successors, (453), 91 states have call predecessors, (453), 98 states have return successors, (484), 445 states have call predecessors, (484), 452 states have call successors, (484)
[2021-11-13 18:17:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 2221 transitions.
[2021-11-13 18:17:12,340 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 2221 transitions. Word has length 439
[2021-11-13 18:17:12,341 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:12,341 INFO L470 AbstractCegarLoop]: Abstraction has 1498 states and 2221 transitions.
[2021-11-13 18:17:12,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50)
[2021-11-13 18:17:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2221 transitions.
[2021-11-13 18:17:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452
[2021-11-13 18:17:12,357 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:12,357 INFO L514 BasicCegarLoop]: trace histogram [40, 17, 17, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:12,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0
[2021-11-13 18:17:12,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:17:12,579 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:12,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:12,580 INFO L85 PathProgramCache]: Analyzing trace with hash -2105691278, now seen corresponding path program 1 times
[2021-11-13 18:17:12,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:17:12,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167136274]
[2021-11-13 18:17:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:17:12,581 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:17:12,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:17:12,582 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:17:12,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process
[2021-11-13 18:17:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:14,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 13 conjunts are in the unsatisfiable core
[2021-11-13 18:17:14,308 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:17:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked.
[2021-11-13 18:17:15,223 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:17:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 1841 trivial. 0 not checked.
[2021-11-13 18:17:16,766 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:17:16,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167136274]
[2021-11-13 18:17:16,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167136274] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:17:16,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:17:16,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12
[2021-11-13 18:17:16,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51489703]
[2021-11-13 18:17:16,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:16,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:17:16,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:17:16,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:17:16,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:17:16,768 INFO L87 Difference]: Start difference. First operand 1498 states and 2221 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 6 states have internal predecessors, (163), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56)
[2021-11-13 18:17:17,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:17,006 INFO L93 Difference]: Finished difference Result 2941 states and 4422 transitions.
[2021-11-13 18:17:17,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:17:17,007 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 6 states have internal predecessors, (163), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56) Word has length 451
[2021-11-13 18:17:17,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:17,029 INFO L225 Difference]: With dead ends: 2941
[2021-11-13 18:17:17,029 INFO L226 Difference]: Without dead ends: 1498
[2021-11-13 18:17:17,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 890 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:17:17,038 INFO L933 BasicCegarLoop]: 855 mSDtfsCounter, 8 mSDsluCounter, 4254 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 5109 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.99ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:17,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 5109 Invalid, 26 Unknown, 0 Unchecked, 12.54ms Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 63.99ms Time]
[2021-11-13 18:17:17,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states.
[2021-11-13 18:17:17,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1498.
[2021-11-13 18:17:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 946 states have (on average 1.3530655391120507) internal successors, (1280), 1011 states have internal predecessors, (1280), 453 states have call successors, (453), 91 states have call predecessors, (453), 98 states have return successors, (484), 445 states have call predecessors, (484), 452 states have call successors, (484)
[2021-11-13 18:17:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 2217 transitions.
[2021-11-13 18:17:17,134 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 2217 transitions. Word has length 451
[2021-11-13 18:17:17,135 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:17,135 INFO L470 AbstractCegarLoop]: Abstraction has 1498 states and 2217 transitions.
[2021-11-13 18:17:17,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 6 states have internal predecessors, (163), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56)
[2021-11-13 18:17:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2217 transitions.
[2021-11-13 18:17:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446
[2021-11-13 18:17:17,150 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:17,150 INFO L514 BasicCegarLoop]: trace histogram [40, 17, 17, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:17,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0
[2021-11-13 18:17:17,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:17:17,375 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:17,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:17,376 INFO L85 PathProgramCache]: Analyzing trace with hash 902033432, now seen corresponding path program 2 times
[2021-11-13 18:17:17,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:17:17,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998814227]
[2021-11-13 18:17:17,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:17:17,378 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:17:17,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:17:17,379 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:17:17,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process
[2021-11-13 18:17:24,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-13 18:17:24,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:17:24,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:17:24,660 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:17:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 1444 trivial. 0 not checked.
[2021-11-13 18:17:25,424 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:17:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked.
[2021-11-13 18:17:26,468 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:17:26,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998814227]
[2021-11-13 18:17:26,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998814227] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:17:26,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:17:26,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8
[2021-11-13 18:17:26,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309273517]
[2021-11-13 18:17:26,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:26,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:17:26,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:17:26,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:17:26,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:17:26,471 INFO L87 Difference]: Start difference. First operand 1498 states and 2217 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54)
[2021-11-13 18:17:26,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:26,599 INFO L93 Difference]: Finished difference Result 2955 states and 4386 transitions.
[2021-11-13 18:17:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:17:26,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) Word has length 445
[2021-11-13 18:17:26,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:26,615 INFO L225 Difference]: With dead ends: 2955
[2021-11-13 18:17:26,615 INFO L226 Difference]: Without dead ends: 1508
[2021-11-13 18:17:26,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:17:26,624 INFO L933 BasicCegarLoop]: 850 mSDtfsCounter, 6 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3379 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.72ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:26,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 3379 Invalid, 23 Unknown, 0 Unchecked, 7.76ms Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 54.72ms Time]
[2021-11-13 18:17:26,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states.
[2021-11-13 18:17:26,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1500.
[2021-11-13 18:17:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 948 states have (on average 1.3523206751054853) internal successors, (1282), 1012 states have internal predecessors, (1282), 453 states have call successors, (453), 91 states have call predecessors, (453), 98 states have return successors, (482), 446 states have call predecessors, (482), 452 states have call successors, (482)
[2021-11-13 18:17:26,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2217 transitions.
[2021-11-13 18:17:26,719 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2217 transitions. Word has length 445
[2021-11-13 18:17:26,720 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:26,720 INFO L470 AbstractCegarLoop]: Abstraction has 1500 states and 2217 transitions.
[2021-11-13 18:17:26,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54)
[2021-11-13 18:17:26,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2217 transitions.
[2021-11-13 18:17:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469
[2021-11-13 18:17:26,738 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:26,739 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:26,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0
[2021-11-13 18:17:26,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:17:26,959 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:26,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash -526721385, now seen corresponding path program 3 times
[2021-11-13 18:17:26,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:17:26,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324096748]
[2021-11-13 18:17:26,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-13 18:17:26,961 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:17:26,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:17:26,962 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:17:26,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process
[2021-11-13 18:17:33,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2021-11-13 18:17:33,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:17:33,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:17:33,503 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:17:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 2033 trivial. 0 not checked.
[2021-11-13 18:17:34,313 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:17:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked.
[2021-11-13 18:17:35,436 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:17:35,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324096748]
[2021-11-13 18:17:35,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324096748] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:17:35,436 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:17:35,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2021-11-13 18:17:35,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238212759]
[2021-11-13 18:17:35,437 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:35,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:17:35,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:17:35,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:17:35,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:17:35,439 INFO L87 Difference]: Start difference. First operand 1500 states and 2217 transitions. Second operand has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55)
[2021-11-13 18:17:37,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:17:38,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:38,190 INFO L93 Difference]: Finished difference Result 2785 states and 4047 transitions.
[2021-11-13 18:17:38,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:17:38,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) Word has length 468
[2021-11-13 18:17:38,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:38,201 INFO L225 Difference]: With dead ends: 2785
[2021-11-13 18:17:38,201 INFO L226 Difference]: Without dead ends: 1168
[2021-11-13 18:17:38,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 932 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:17:38,209 INFO L933 BasicCegarLoop]: 1019 mSDtfsCounter, 937 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 199 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2523.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.20ms SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2649.85ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:38,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [937 Valid, 1405 Invalid, 286 Unknown, 0 Unchecked, 9.20ms Time], IncrementalHoareTripleChecker [199 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 2649.85ms Time]
[2021-11-13 18:17:38,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states.
[2021-11-13 18:17:38,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1162.
[2021-11-13 18:17:38,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 753 states have (on average 1.3253652058432934) internal successors, (998), 795 states have internal predecessors, (998), 320 states have call successors, (320), 84 states have call predecessors, (320), 88 states have return successors, (326), 315 states have call predecessors, (326), 319 states have call successors, (326)
[2021-11-13 18:17:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1644 transitions.
[2021-11-13 18:17:38,276 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1644 transitions. Word has length 468
[2021-11-13 18:17:38,277 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:38,277 INFO L470 AbstractCegarLoop]: Abstraction has 1162 states and 1644 transitions.
[2021-11-13 18:17:38,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55)
[2021-11-13 18:17:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1644 transitions.
[2021-11-13 18:17:38,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484
[2021-11-13 18:17:38,303 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:38,303 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:38,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0
[2021-11-13 18:17:38,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:17:38,527 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:38,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:38,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2078378644, now seen corresponding path program 1 times
[2021-11-13 18:17:38,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:17:38,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946802375]
[2021-11-13 18:17:38,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:17:38,530 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:17:38,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:17:38,531 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:17:38,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process
[2021-11-13 18:17:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:40,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 1614 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:17:40,230 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:17:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 305 proven. 32 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked.
[2021-11-13 18:17:41,408 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:17:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2097 trivial. 0 not checked.
[2021-11-13 18:17:42,504 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:17:42,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946802375]
[2021-11-13 18:17:42,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946802375] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:17:42,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:17:42,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5
[2021-11-13 18:17:42,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264048695]
[2021-11-13 18:17:42,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:42,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:17:42,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:17:42,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:17:42,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:17:42,508 INFO L87 Difference]: Start difference. First operand 1162 states and 1644 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51)
[2021-11-13 18:17:43,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:43,027 INFO L93 Difference]: Finished difference Result 2681 states and 3911 transitions.
[2021-11-13 18:17:43,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:17:43,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) Word has length 483
[2021-11-13 18:17:43,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:43,044 INFO L225 Difference]: With dead ends: 2681
[2021-11-13 18:17:43,044 INFO L226 Difference]: Without dead ends: 1696
[2021-11-13 18:17:43,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 965 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:17:43,050 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 1175 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 349.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.32ms SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 402.61ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:43,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1175 Valid, 1994 Invalid, 212 Unknown, 0 Unchecked, 10.32ms Time], IncrementalHoareTripleChecker [108 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 402.61ms Time]
[2021-11-13 18:17:43,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states.
[2021-11-13 18:17:43,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1169.
[2021-11-13 18:17:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 756 states have (on average 1.3240740740740742) internal successors, (1001), 798 states have internal predecessors, (1001), 324 states have call successors, (324), 84 states have call predecessors, (324), 88 states have return successors, (330), 319 states have call predecessors, (330), 323 states have call successors, (330)
[2021-11-13 18:17:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1655 transitions.
[2021-11-13 18:17:43,159 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1655 transitions. Word has length 483
[2021-11-13 18:17:43,159 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:43,160 INFO L470 AbstractCegarLoop]: Abstraction has 1169 states and 1655 transitions.
[2021-11-13 18:17:43,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51)
[2021-11-13 18:17:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1655 transitions.
[2021-11-13 18:17:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497
[2021-11-13 18:17:43,170 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:43,171 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:43,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0
[2021-11-13 18:17:43,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:17:43,387 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:43,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:43,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1414469642, now seen corresponding path program 1 times
[2021-11-13 18:17:43,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:17:43,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648422468]
[2021-11-13 18:17:43,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:17:43,389 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:17:43,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:17:43,390 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:17:43,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process
[2021-11-13 18:17:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:45,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 1631 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:17:45,042 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:17:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked.
[2021-11-13 18:17:45,962 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:17:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2097 trivial. 0 not checked.
[2021-11-13 18:17:47,064 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:17:47,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648422468]
[2021-11-13 18:17:47,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1648422468] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:17:47,064 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:17:47,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2021-11-13 18:17:47,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518609080]
[2021-11-13 18:17:47,065 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:47,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:17:47,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:17:47,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:17:47,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:17:47,068 INFO L87 Difference]: Start difference. First operand 1169 states and 1655 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82)
[2021-11-13 18:17:47,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:47,193 INFO L93 Difference]: Finished difference Result 2226 states and 3166 transitions.
[2021-11-13 18:17:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:17:47,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 496
[2021-11-13 18:17:47,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:47,205 INFO L225 Difference]: With dead ends: 2226
[2021-11-13 18:17:47,205 INFO L226 Difference]: Without dead ends: 1175
[2021-11-13 18:17:47,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 989 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:17:47,211 INFO L933 BasicCegarLoop]: 824 mSDtfsCounter, 306 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.01ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.07ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:47,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 1231 Invalid, 45 Unknown, 0 Unchecked, 5.01ms Time], IncrementalHoareTripleChecker [18 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 61.07ms Time]
[2021-11-13 18:17:47,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states.
[2021-11-13 18:17:47,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1173.
[2021-11-13 18:17:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 760 states have (on average 1.3210526315789475) internal successors, (1004), 802 states have internal predecessors, (1004), 324 states have call successors, (324), 84 states have call predecessors, (324), 88 states have return successors, (330), 319 states have call predecessors, (330), 323 states have call successors, (330)
[2021-11-13 18:17:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1658 transitions.
[2021-11-13 18:17:47,298 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1658 transitions. Word has length 496
[2021-11-13 18:17:47,299 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:47,299 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1658 transitions.
[2021-11-13 18:17:47,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82)
[2021-11-13 18:17:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1658 transitions.
[2021-11-13 18:17:47,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497
[2021-11-13 18:17:47,308 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:47,309 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:47,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0
[2021-11-13 18:17:47,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:17:47,531 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:47,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:47,532 INFO L85 PathProgramCache]: Analyzing trace with hash 714403272, now seen corresponding path program 1 times
[2021-11-13 18:17:47,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:17:47,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881091759]
[2021-11-13 18:17:47,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:17:47,534 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:17:47,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:17:47,535 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:17:47,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process
[2021-11-13 18:17:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:49,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 1631 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:17:49,332 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:17:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked.
[2021-11-13 18:17:50,881 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:17:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2097 trivial. 0 not checked.
[2021-11-13 18:17:51,930 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:17:51,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881091759]
[2021-11-13 18:17:51,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881091759] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:17:51,931 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:17:51,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3
[2021-11-13 18:17:51,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098173994]
[2021-11-13 18:17:51,932 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:51,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:17:51,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:17:51,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:17:51,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:17:51,935 INFO L87 Difference]: Start difference. First operand 1173 states and 1658 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (109), 3 states have call predecessors, (109), 3 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108)
[2021-11-13 18:17:51,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:17:51,999 INFO L93 Difference]: Finished difference Result 2092 states and 2980 transitions.
[2021-11-13 18:17:52,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:17:52,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (109), 3 states have call predecessors, (109), 3 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) Word has length 496
[2021-11-13 18:17:52,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:17:52,010 INFO L225 Difference]: With dead ends: 2092
[2021-11-13 18:17:52,011 INFO L226 Difference]: Without dead ends: 1173
[2021-11-13 18:17:52,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 989 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:17:52,018 INFO L933 BasicCegarLoop]: 794 mSDtfsCounter, 633 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.36ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:17:52,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 794 Invalid, 1 Unknown, 0 Unchecked, 2.79ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.36ms Time]
[2021-11-13 18:17:52,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states.
[2021-11-13 18:17:52,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1173.
[2021-11-13 18:17:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 760 states have (on average 1.319736842105263) internal successors, (1003), 802 states have internal predecessors, (1003), 324 states have call successors, (324), 84 states have call predecessors, (324), 88 states have return successors, (330), 319 states have call predecessors, (330), 323 states have call successors, (330)
[2021-11-13 18:17:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1657 transitions.
[2021-11-13 18:17:52,121 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1657 transitions. Word has length 496
[2021-11-13 18:17:52,122 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:17:52,122 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1657 transitions.
[2021-11-13 18:17:52,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (109), 3 states have call predecessors, (109), 3 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108)
[2021-11-13 18:17:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1657 transitions.
[2021-11-13 18:17:52,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503
[2021-11-13 18:17:52,133 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:17:52,134 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:52,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0
[2021-11-13 18:17:52,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:17:52,350 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:17:52,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:17:52,350 INFO L85 PathProgramCache]: Analyzing trace with hash 129268365, now seen corresponding path program 1 times
[2021-11-13 18:17:52,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:17:52,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700379804]
[2021-11-13 18:17:52,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:17:52,352 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:17:52,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:17:52,353 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:17:52,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process
[2021-11-13 18:17:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:17:54,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:17:54,022 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:17:55,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 619 proven. 0 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked.
[2021-11-13 18:17:55,990 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:17:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2103 trivial. 0 not checked.
[2021-11-13 18:17:57,414 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:17:57,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700379804]
[2021-11-13 18:17:57,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700379804] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:17:57,414 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:17:57,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6
[2021-11-13 18:17:57,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739908574]
[2021-11-13 18:17:57,415 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:17:57,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:17:57,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:17:57,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:17:57,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:17:57,418 INFO L87 Difference]: Start difference. First operand 1173 states and 1657 transitions. Second operand has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 6 states have call successors, (117), 4 states have call predecessors, (117), 4 states have return successors, (116), 6 states have call predecessors, (116), 6 states have call successors, (116)
[2021-11-13 18:17:59,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:03,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:18:03,846 INFO L93 Difference]: Finished difference Result 4994 states and 7142 transitions.
[2021-11-13 18:18:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:18:03,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 6 states have call successors, (117), 4 states have call predecessors, (117), 4 states have return successors, (116), 6 states have call predecessors, (116), 6 states have call successors, (116) Word has length 502
[2021-11-13 18:18:03,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:18:03,880 INFO L225 Difference]: With dead ends: 4994
[2021-11-13 18:18:03,880 INFO L226 Difference]: Without dead ends: 4068
[2021-11-13 18:18:03,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 999 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:18:03,887 INFO L933 BasicCegarLoop]: 1394 mSDtfsCounter, 3070 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 1652 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5246.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3070 SdHoareTripleChecker+Valid, 3318 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.31ms SdHoareTripleChecker+Time, 1652 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6018.11ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:18:03,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3070 Valid, 3318 Invalid, 2346 Unknown, 0 Unchecked, 27.31ms Time], IncrementalHoareTripleChecker [1652 Valid, 693 Invalid, 1 Unknown, 0 Unchecked, 6018.11ms Time]
[2021-11-13 18:18:03,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4068 states.
[2021-11-13 18:18:04,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4068 to 3009.
[2021-11-13 18:18:04,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 1937 states have (on average 1.3319566339700568) internal successors, (2580), 2043 states have internal predecessors, (2580), 843 states have call successors, (843), 217 states have call predecessors, (843), 228 states have return successors, (858), 828 states have call predecessors, (858), 842 states have call successors, (858)
[2021-11-13 18:18:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 4281 transitions.
[2021-11-13 18:18:04,195 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 4281 transitions. Word has length 502
[2021-11-13 18:18:04,195 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:18:04,196 INFO L470 AbstractCegarLoop]: Abstraction has 3009 states and 4281 transitions.
[2021-11-13 18:18:04,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 6 states have call successors, (117), 4 states have call predecessors, (117), 4 states have return successors, (116), 6 states have call predecessors, (116), 6 states have call successors, (116)
[2021-11-13 18:18:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 4281 transitions.
[2021-11-13 18:18:04,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503
[2021-11-13 18:18:04,214 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:18:04,215 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:04,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:04,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:18:04,431 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:18:04,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:04,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1533137551, now seen corresponding path program 1 times
[2021-11-13 18:18:04,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:18:04,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970112497]
[2021-11-13 18:18:04,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:04,433 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:18:04,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:18:04,434 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:04,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process
[2021-11-13 18:18:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:06,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:18:06,115 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 2047 trivial. 0 not checked.
[2021-11-13 18:18:07,621 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:18:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2103 trivial. 0 not checked.
[2021-11-13 18:18:08,736 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:18:08,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970112497]
[2021-11-13 18:18:08,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970112497] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:18:08,736 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:18:08,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4
[2021-11-13 18:18:08,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178944876]
[2021-11-13 18:18:08,737 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:18:08,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:18:08,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:18:08,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:18:08,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:18:08,740 INFO L87 Difference]: Start difference. First operand 3009 states and 4281 transitions. Second operand has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 4 states have call successors, (106), 3 states have call predecessors, (106), 3 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105)
[2021-11-13 18:18:09,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:18:09,364 INFO L93 Difference]: Finished difference Result 5379 states and 7740 transitions.
[2021-11-13 18:18:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:18:09,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 4 states have call successors, (106), 3 states have call predecessors, (106), 3 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) Word has length 502
[2021-11-13 18:18:09,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:18:09,389 INFO L225 Difference]: With dead ends: 5379
[2021-11-13 18:18:09,389 INFO L226 Difference]: Without dead ends: 3009
[2021-11-13 18:18:09,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 1000 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:18:09,399 INFO L933 BasicCegarLoop]: 793 mSDtfsCounter, 981 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 314.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.48ms SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 411.12ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:18:09,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [981 Valid, 793 Invalid, 311 Unknown, 0 Unchecked, 4.48ms Time], IncrementalHoareTripleChecker [310 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 411.12ms Time]
[2021-11-13 18:18:09,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states.
[2021-11-13 18:18:09,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 3009.
[2021-11-13 18:18:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 1937 states have (on average 1.3288590604026846) internal successors, (2574), 2043 states have internal predecessors, (2574), 843 states have call successors, (843), 217 states have call predecessors, (843), 228 states have return successors, (858), 828 states have call predecessors, (858), 842 states have call successors, (858)
[2021-11-13 18:18:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 4275 transitions.
[2021-11-13 18:18:09,688 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 4275 transitions. Word has length 502
[2021-11-13 18:18:09,689 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:18:09,689 INFO L470 AbstractCegarLoop]: Abstraction has 3009 states and 4275 transitions.
[2021-11-13 18:18:09,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 4 states have call successors, (106), 3 states have call predecessors, (106), 3 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105)
[2021-11-13 18:18:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 4275 transitions.
[2021-11-13 18:18:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509
[2021-11-13 18:18:09,708 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:18:09,709 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:09,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:09,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:18:09,931 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:18:09,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:09,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1830425363, now seen corresponding path program 1 times
[2021-11-13 18:18:09,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:18:09,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079066953]
[2021-11-13 18:18:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:09,935 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:18:09,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:18:09,936 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:09,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process
[2021-11-13 18:18:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:11,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 1657 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 18:18:11,804 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:12,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 2060 trivial. 0 not checked.
[2021-11-13 18:18:12,570 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:18:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 2103 trivial. 0 not checked.
[2021-11-13 18:18:13,623 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:18:13,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079066953]
[2021-11-13 18:18:13,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079066953] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:18:13,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:18:13,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14
[2021-11-13 18:18:13,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639341665]
[2021-11-13 18:18:13,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:18:13,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 18:18:13,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:18:13,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:18:13,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:18:13,627 INFO L87 Difference]: Start difference. First operand 3009 states and 4275 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (54), 4 states have call predecessors, (54), 2 states have call successors, (54)
[2021-11-13 18:18:14,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:18:14,035 INFO L93 Difference]: Finished difference Result 6637 states and 9815 transitions.
[2021-11-13 18:18:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 18:18:14,036 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (54), 4 states have call predecessors, (54), 2 states have call successors, (54) Word has length 508
[2021-11-13 18:18:14,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:18:14,070 INFO L225 Difference]: With dead ends: 6637
[2021-11-13 18:18:14,070 INFO L226 Difference]: Without dead ends: 4267
[2021-11-13 18:18:14,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 1002 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210
[2021-11-13 18:18:14,081 INFO L933 BasicCegarLoop]: 1095 mSDtfsCounter, 236 mSDsluCounter, 6294 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 7389 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.71ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.04ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:18:14,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 7389 Invalid, 45 Unknown, 0 Unchecked, 14.71ms Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 76.04ms Time]
[2021-11-13 18:18:14,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states.
[2021-11-13 18:18:14,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 3057.
[2021-11-13 18:18:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 1973 states have (on average 1.3228585909782058) internal successors, (2610), 2079 states have internal predecessors, (2610), 843 states have call successors, (843), 217 states have call predecessors, (843), 240 states have return successors, (899), 840 states have call predecessors, (899), 842 states have call successors, (899)
[2021-11-13 18:18:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4352 transitions.
[2021-11-13 18:18:14,370 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4352 transitions. Word has length 508
[2021-11-13 18:18:14,371 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:18:14,372 INFO L470 AbstractCegarLoop]: Abstraction has 3057 states and 4352 transitions.
[2021-11-13 18:18:14,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (54), 4 states have call predecessors, (54), 2 states have call successors, (54)
[2021-11-13 18:18:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4352 transitions.
[2021-11-13 18:18:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520
[2021-11-13 18:18:14,406 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:18:14,407 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:14,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:14,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:18:14,625 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:18:14,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:14,626 INFO L85 PathProgramCache]: Analyzing trace with hash 992395761, now seen corresponding path program 1 times
[2021-11-13 18:18:14,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:18:14,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205936860]
[2021-11-13 18:18:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:14,627 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:18:14,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:18:14,628 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:14,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process
[2021-11-13 18:18:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:16,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1677 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-11-13 18:18:16,428 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 2069 trivial. 0 not checked.
[2021-11-13 18:18:17,356 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:18:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2021-11-13 18:18:18,541 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:18:18,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205936860]
[2021-11-13 18:18:18,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205936860] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:18:18,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:18:18,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18
[2021-11-13 18:18:18,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459662494]
[2021-11-13 18:18:18,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:18:18,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:18:18,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:18:18,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:18:18,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306
[2021-11-13 18:18:18,545 INFO L87 Difference]: Start difference. First operand 3057 states and 4352 transitions. Second operand has 10 states, 10 states have (on average 17.4) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (57), 5 states have call predecessors, (57), 3 states have call successors, (57)
[2021-11-13 18:18:20,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:23,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:18:23,051 INFO L93 Difference]: Finished difference Result 9149 states and 13458 transitions.
[2021-11-13 18:18:23,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2021-11-13 18:18:23,052 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (57), 5 states have call predecessors, (57), 3 states have call successors, (57) Word has length 519
[2021-11-13 18:18:23,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:18:23,098 INFO L225 Difference]: With dead ends: 9149
[2021-11-13 18:18:23,099 INFO L226 Difference]: Without dead ends: 6731
[2021-11-13 18:18:23,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1049 GetRequests, 1023 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=646, Unknown=0, NotChecked=0, Total=756
[2021-11-13 18:18:23,114 INFO L933 BasicCegarLoop]: 1500 mSDtfsCounter, 1097 mSDsluCounter, 10666 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 268 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3460.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1101 SdHoareTripleChecker+Valid, 12166 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.13ms SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3693.70ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:18:23,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1101 Valid, 12166 Invalid, 1169 Unknown, 0 Unchecked, 30.13ms Time], IncrementalHoareTripleChecker [268 Valid, 900 Invalid, 1 Unknown, 0 Unchecked, 3693.70ms Time]
[2021-11-13 18:18:23,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6731 states.
[2021-11-13 18:18:23,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6731 to 3093.
[2021-11-13 18:18:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3093 states, 1991 states have (on average 1.3199397287795078) internal successors, (2628), 2097 states have internal predecessors, (2628), 861 states have call successors, (861), 217 states have call predecessors, (861), 240 states have return successors, (917), 858 states have call predecessors, (917), 860 states have call successors, (917)
[2021-11-13 18:18:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 3093 states and 4406 transitions.
[2021-11-13 18:18:23,450 INFO L78 Accepts]: Start accepts. Automaton has 3093 states and 4406 transitions. Word has length 519
[2021-11-13 18:18:23,451 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:18:23,451 INFO L470 AbstractCegarLoop]: Abstraction has 3093 states and 4406 transitions.
[2021-11-13 18:18:23,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (57), 5 states have call predecessors, (57), 3 states have call successors, (57)
[2021-11-13 18:18:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 4406 transitions.
[2021-11-13 18:18:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520
[2021-11-13 18:18:23,471 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:18:23,472 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:23,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:23,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:18:23,687 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:18:23,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:23,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1056992081, now seen corresponding path program 1 times
[2021-11-13 18:18:23,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:18:23,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535674228]
[2021-11-13 18:18:23,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:23,690 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:18:23,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:18:23,691 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:23,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process
[2021-11-13 18:18:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:28,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1675 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-11-13 18:18:28,388 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:28,947 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:18:28,956 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:18:28,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19
[2021-11-13 18:18:32,136 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:18:32,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20
[2021-11-13 18:18:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked.
[2021-11-13 18:18:32,603 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:18:33,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34
[2021-11-13 18:18:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2114 trivial. 0 not checked.
[2021-11-13 18:18:33,948 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:18:33,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535674228]
[2021-11-13 18:18:33,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535674228] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:18:33,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:18:33,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9
[2021-11-13 18:18:33,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177446006]
[2021-11-13 18:18:33,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:18:33,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:18:33,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:18:33,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:18:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2021-11-13 18:18:33,950 INFO L87 Difference]: Start difference. First operand 3093 states and 4406 transitions. Second operand has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 5 states have internal predecessors, (186), 3 states have call successors, (63), 3 states have call predecessors, (63), 4 states have return successors, (62), 4 states have call predecessors, (62), 3 states have call successors, (62)
[2021-11-13 18:18:35,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:18:40,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:18:40,479 INFO L93 Difference]: Finished difference Result 7554 states and 10750 transitions.
[2021-11-13 18:18:40,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 18:18:40,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 5 states have internal predecessors, (186), 3 states have call successors, (63), 3 states have call predecessors, (63), 4 states have return successors, (62), 4 states have call predecessors, (62), 3 states have call successors, (62) Word has length 519
[2021-11-13 18:18:40,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:18:40,503 INFO L225 Difference]: With dead ends: 7554
[2021-11-13 18:18:40,504 INFO L226 Difference]: Without dead ends: 4921
[2021-11-13 18:18:40,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1039 GetRequests, 1028 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:18:40,514 INFO L933 BasicCegarLoop]: 901 mSDtfsCounter, 1322 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 298 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5435.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 3083 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.36ms SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5996.57ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:18:40,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1327 Valid, 3083 Invalid, 1103 Unknown, 0 Unchecked, 18.36ms Time], IncrementalHoareTripleChecker [298 Valid, 804 Invalid, 1 Unknown, 0 Unchecked, 5996.57ms Time]
[2021-11-13 18:18:40,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4921 states.
[2021-11-13 18:18:40,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4921 to 4661.
[2021-11-13 18:18:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4661 states, 2971 states have (on average 1.3150454392460451) internal successors, (3907), 3141 states have internal predecessors, (3907), 1303 states have call successors, (1303), 345 states have call predecessors, (1303), 386 states have return successors, (1391), 1300 states have call predecessors, (1391), 1302 states have call successors, (1391)
[2021-11-13 18:18:40,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4661 states and 6601 transitions.
[2021-11-13 18:18:40,957 INFO L78 Accepts]: Start accepts. Automaton has 4661 states and 6601 transitions. Word has length 519
[2021-11-13 18:18:40,958 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:18:40,958 INFO L470 AbstractCegarLoop]: Abstraction has 4661 states and 6601 transitions.
[2021-11-13 18:18:40,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 5 states have internal predecessors, (186), 3 states have call successors, (63), 3 states have call predecessors, (63), 4 states have return successors, (62), 4 states have call predecessors, (62), 3 states have call successors, (62)
[2021-11-13 18:18:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 4661 states and 6601 transitions.
[2021-11-13 18:18:40,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603
[2021-11-13 18:18:40,982 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:18:40,983 INFO L514 BasicCegarLoop]: trace histogram [40, 32, 32, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:41,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0
[2021-11-13 18:18:41,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:18:41,207 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:18:41,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:41,208 INFO L85 PathProgramCache]: Analyzing trace with hash -74905948, now seen corresponding path program 1 times
[2021-11-13 18:18:41,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:18:41,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145433055]
[2021-11-13 18:18:41,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:41,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:18:41,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:18:41,212 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:41,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process
[2021-11-13 18:18:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:43,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1854 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:18:43,365 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3049 backedges. 994 proven. 0 refuted. 0 times theorem prover too weak. 2055 trivial. 0 not checked.
[2021-11-13 18:18:44,640 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:18:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3049 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 3029 trivial. 0 not checked.
[2021-11-13 18:18:45,912 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:18:45,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145433055]
[2021-11-13 18:18:45,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145433055] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:18:45,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:18:45,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10
[2021-11-13 18:18:45,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184809674]
[2021-11-13 18:18:45,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:18:45,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:18:45,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:18:45,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:18:45,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:18:45,915 INFO L87 Difference]: Start difference. First operand 4661 states and 6601 transitions. Second operand has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 5 states have internal predecessors, (203), 2 states have call successors, (80), 2 states have call predecessors, (80), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79)
[2021-11-13 18:18:46,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:18:46,326 INFO L93 Difference]: Finished difference Result 8946 states and 12709 transitions.
[2021-11-13 18:18:46,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:18:46,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 5 states have internal predecessors, (203), 2 states have call successors, (80), 2 states have call predecessors, (80), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) Word has length 602
[2021-11-13 18:18:46,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:18:46,350 INFO L225 Difference]: With dead ends: 8946
[2021-11-13 18:18:46,350 INFO L226 Difference]: Without dead ends: 4661
[2021-11-13 18:18:46,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1203 GetRequests, 1194 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:18:46,365 INFO L933 BasicCegarLoop]: 791 mSDtfsCounter, 2 mSDsluCounter, 3158 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3949 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:18:46,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 3949 Invalid, 15 Unknown, 0 Unchecked, 5.03ms Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 35.00ms Time]
[2021-11-13 18:18:46,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4661 states.
[2021-11-13 18:18:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4661 to 4661.
[2021-11-13 18:18:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4661 states, 2971 states have (on average 1.3150454392460451) internal successors, (3907), 3141 states have internal predecessors, (3907), 1303 states have call successors, (1303), 345 states have call predecessors, (1303), 386 states have return successors, (1388), 1300 states have call predecessors, (1388), 1302 states have call successors, (1388)
[2021-11-13 18:18:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4661 states and 6598 transitions.
[2021-11-13 18:18:46,899 INFO L78 Accepts]: Start accepts. Automaton has 4661 states and 6598 transitions. Word has length 602
[2021-11-13 18:18:46,900 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:18:46,900 INFO L470 AbstractCegarLoop]: Abstraction has 4661 states and 6598 transitions.
[2021-11-13 18:18:46,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 5 states have internal predecessors, (203), 2 states have call successors, (80), 2 states have call predecessors, (80), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79)
[2021-11-13 18:18:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 4661 states and 6598 transitions.
[2021-11-13 18:18:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609
[2021-11-13 18:18:46,925 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:18:46,926 INFO L514 BasicCegarLoop]: trace histogram [40, 32, 32, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:46,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:47,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:18:47,139 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:18:47,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:47,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1278408714, now seen corresponding path program 2 times
[2021-11-13 18:18:47,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:18:47,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026193812]
[2021-11-13 18:18:47,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:18:47,143 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:18:47,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:18:47,145 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:47,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process
[2021-11-13 18:18:56,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-13 18:18:56,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:18:56,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1869 conjuncts, 38 conjunts are in the unsatisfiable core
[2021-11-13 18:18:56,785 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:57,715 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:18:57,736 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size
[2021-11-13 18:18:57,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18
[2021-11-13 18:19:04,263 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size
[2021-11-13 18:19:04,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 8
[2021-11-13 18:19:10,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10
[2021-11-13 18:19:21,347 INFO L354 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size
[2021-11-13 18:19:21,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28
[2021-11-13 18:19:33,631 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2021-11-13 18:19:33,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 21
[2021-11-13 18:19:33,644 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size
[2021-11-13 18:19:33,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 12
[2021-11-13 18:19:33,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10
[2021-11-13 18:19:34,259 INFO L354 Elim1Store]: treesize reduction 38, result has 22.4 percent of original size
[2021-11-13 18:19:34,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 43
[2021-11-13 18:19:53,189 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size
[2021-11-13 18:19:53,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 48
[2021-11-13 18:19:53,197 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size
[2021-11-13 18:19:53,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19
[2021-11-13 18:19:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3085 backedges. 169 proven. 280 refuted. 0 times theorem prover too weak. 2636 trivial. 0 not checked.
[2021-11-13 18:19:53,358 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:20:05,913 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ldv_init_zalloc_#t~malloc25.base_341| (_ BitVec 64))) (or (not (bvult |v_ldv_init_zalloc_#t~malloc25.base_341| |c_#StackHeapBarrier|)) (let ((.cse0 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse0))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse1 (select (store |c_#memory_int| |v_ldv_init_zalloc_#t~malloc25.base_341| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse1 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse1 |c_~#wdt_status~0.offset|))) .cse0))))))) (exists ((|v_ldv_init_zalloc_#t~malloc25.base_339| (_ BitVec 64))) (and (not (let ((.cse3 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse2 (select (store |c_old(#memory_int)| |v_ldv_init_zalloc_#t~malloc25.base_339| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse2 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse2 |c_~#wdt_status~0.offset|))) .cse3))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse3)))))) (bvult |v_ldv_init_zalloc_#t~malloc25.base_339| |c_#StackHeapBarrier|)))) is different from true
[2021-11-13 18:20:28,305 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:20:28,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026193812]
[2021-11-13 18:20:28,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_ldv_init_zalloc_#t~malloc25.base_339|]
[2021-11-13 18:20:28,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1400064915]
[2021-11-13 18:20:28,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:20:28,306 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2021-11-13 18:20:28,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/cvc4
[2021-11-13 18:20:28,308 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2021-11-13 18:20:28,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process
[2021-11-13 18:21:24,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-11-13 18:21:24,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427899492]
[2021-11-13 18:21:24,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:21:24,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:21:24,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:21:24,311 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:21:24,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process
[2021-11-13 18:21:24,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 1
[2021-11-13 18:21:55,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-13 18:21:55,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:21:55,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 1869 conjuncts, 38 conjunts are in the unsatisfiable core
[2021-11-13 18:21:56,009 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:21:56,812 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:21:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:21:56,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19
[2021-11-13 18:22:02,191 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:22:02,193 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:22:02,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 9
[2021-11-13 18:22:16,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6
[2021-11-13 18:22:43,041 INFO L354 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size
[2021-11-13 18:22:43,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30
[2021-11-13 18:22:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:22:43,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9
[2021-11-13 18:22:55,426 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:22:55,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27
[2021-11-13 18:22:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:22:55,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9
[2021-11-13 18:22:55,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6
[2021-11-13 18:23:07,821 INFO L354 Elim1Store]: treesize reduction 26, result has 46.9 percent of original size
[2021-11-13 18:23:07,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 47
[2021-11-13 18:23:07,934 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:23:07,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9
[2021-11-13 18:23:27,393 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:23:27,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 40
[2021-11-13 18:23:27,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20
[2021-11-13 18:23:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3085 backedges. 422 proven. 26 refuted. 0 times theorem prover too weak. 2637 trivial. 0 not checked.
[2021-11-13 18:23:27,533 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:23:30,610 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_#Ultimate.meminit_#ptr.base_459| (_ BitVec 64))) (let ((.cse1 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse0 (select (store |c_#memory_int| |v_#Ultimate.meminit_#ptr.base_459| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse0 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse0 |c_~#wdt_status~0.offset|))) .cse1))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse1)))))) is different from false
[2021-11-13 18:23:32,630 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_#Ultimate.meminit_#ptr.base_459| (_ BitVec 64))) (not (let ((.cse1 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse0 (select (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_459| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse0 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse0 |c_~#wdt_status~0.offset|))) .cse1))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse1))))))) (let ((.cse2 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse2))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse3 (select |c_#memory_int| |c_~#wdt_status~0.base|))) (concat (select .cse3 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse3 |c_~#wdt_status~0.offset|))) .cse2)))))) is different from true
[2021-11-13 18:23:34,746 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_#Ultimate.meminit_#ptr.base_462| (_ BitVec 64))) (let ((.cse0 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse0))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse1 (select (store |c_#memory_int| |v_#Ultimate.meminit_#ptr.base_462| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse1 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse1 |c_~#wdt_status~0.offset|))) .cse0)))))) (exists ((|v_#Ultimate.meminit_#ptr.base_459| (_ BitVec 64))) (not (let ((.cse3 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse2 (select (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_459| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse2 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse2 |c_~#wdt_status~0.offset|))) .cse3))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse3)))))))) is different from true
[2021-11-13 18:23:36,777 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_old(#memory_int)_BEFORE_CALL_12| (Array (_ BitVec 64) (Array (_ BitVec 64) (_ BitVec 32))))) (exists ((|v_#Ultimate.meminit_#ptr.base_459| (_ BitVec 64))) (not (let ((.cse1 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse0 (select (store |v_old(#memory_int)_BEFORE_CALL_12| |v_#Ultimate.meminit_#ptr.base_459| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse0 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse0 |c_~#wdt_status~0.offset|))) .cse1))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse1)))))))) (exists ((|v_#Ultimate.meminit_#ptr.base_462| (_ BitVec 64))) (not (let ((.cse3 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse2 (select (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_462| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse2 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse2 |c_~#wdt_status~0.offset|))) .cse3))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse3))))))) (let ((.cse4 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse4))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse5 (select |c_#memory_int| |c_~#wdt_status~0.base|))) (concat (select .cse5 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse5 |c_~#wdt_status~0.offset|))) .cse4)))))) is different from true
[2021-11-13 18:23:38,820 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_old(#memory_int)_BEFORE_CALL_12| (Array (_ BitVec 64) (Array (_ BitVec 64) (_ BitVec 32))))) (exists ((|v_#Ultimate.meminit_#ptr.base_459| (_ BitVec 64))) (not (let ((.cse1 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse0 (select (store |v_old(#memory_int)_BEFORE_CALL_12| |v_#Ultimate.meminit_#ptr.base_459| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse0 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse0 |c_~#wdt_status~0.offset|))) .cse1))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse1)))))))) (forall ((|#Ultimate.meminit_#ptr.base| (_ BitVec 64))) (let ((.cse3 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse2 (select (store |c_#memory_int| |#Ultimate.meminit_#ptr.base| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse2 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse2 |c_~#wdt_status~0.offset|))) .cse3))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse3)))))) (exists ((|v_#Ultimate.meminit_#ptr.base_462| (_ BitVec 64))) (not (let ((.cse5 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse4 (select (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_462| ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32))) |c_~#wdt_status~0.base|))) (concat (select .cse4 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse4 |c_~#wdt_status~0.offset|))) .cse5))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse5)))))))) is different from true
[2021-11-13 18:23:40,922 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_#Ultimate.meminit_#ptr.base_468| (_ BitVec 64)) (|v_#Ultimate.meminit_#ptr.base_459| (_ BitVec 64))) (let ((.cse2 ((_ sign_extend 32) (_ bv4 32)))) (= (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (let ((.cse0 (select (let ((.cse1 ((as const (Array (_ BitVec 64) (_ BitVec 32))) (_ bv0 32)))) (store (store |c_#memory_int| |v_#Ultimate.meminit_#ptr.base_468| .cse1) |v_#Ultimate.meminit_#ptr.base_459| .cse1)) |c_~#wdt_status~0.base|))) (concat (select .cse0 (bvadd (_ bv4 64) |c_~#wdt_status~0.offset|)) (select .cse0 |c_~#wdt_status~0.offset|))) .cse2))) (bvand (_ bv1 32) ((_ extract 31 0) (bvlshr (concat ((_ extract 63 32) (_ bv0 64)) (_ bv0 32)) .cse2)))))) is different from false
[2021-11-13 18:23:40,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_#Ultimate.meminit_#ptr.base_459|]
[2021-11-13 18:23:40,926 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:23:40,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0
[2021-11-13 18:23:40,926 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible
[2021-11-13 18:23:40,926 INFO L628 BasicCegarLoop]: Counterexample might be feasible
[2021-11-13 18:23:40,942 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:23:40,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0
[2021-11-13 18:23:41,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0
[2021-11-13 18:23:41,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:23:41,350 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:23:41,352 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:23:41,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:23:41 BoogieIcfgContainer
[2021-11-13 18:23:41,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:23:41,420 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:23:41,420 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:23:41,420 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:23:41,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:16:39" (3/4) ...
[2021-11-13 18:23:41,423 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 18:23:41,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:23:41,424 INFO L158 Benchmark]: Toolchain (without parser) took 428498.24ms. Allocated memory was 75.5MB in the beginning and 536.9MB in the end (delta: 461.4MB). Free memory was 54.7MB in the beginning and 304.5MB in the end (delta: -249.8MB). Peak memory consumption was 211.0MB. Max. memory is 16.1GB.
[2021-11-13 18:23:41,424 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:23:41,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1403.51ms. Allocated memory was 75.5MB in the beginning and 117.4MB in the end (delta: 41.9MB). Free memory was 54.5MB in the beginning and 83.9MB in the end (delta: -29.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB.
[2021-11-13 18:23:41,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.20ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 78.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:23:41,425 INFO L158 Benchmark]: Boogie Preprocessor took 127.01ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 71.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:23:41,425 INFO L158 Benchmark]: RCFGBuilder took 5025.51ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 71.4MB in the beginning and 81.2MB in the end (delta: -9.8MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB.
[2021-11-13 18:23:41,426 INFO L158 Benchmark]: TraceAbstraction took 421758.25ms. Allocated memory was 169.9MB in the beginning and 536.9MB in the end (delta: 367.0MB). Free memory was 80.1MB in the beginning and 304.5MB in the end (delta: -224.3MB). Peak memory consumption was 143.7MB. Max. memory is 16.1GB.
[2021-11-13 18:23:41,426 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 536.9MB. Free memory is still 304.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:23:41,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1403.51ms. Allocated memory was 75.5MB in the beginning and 117.4MB in the end (delta: 41.9MB). Free memory was 54.5MB in the beginning and 83.9MB in the end (delta: -29.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 173.20ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 78.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 127.01ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 71.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 5025.51ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 71.4MB in the beginning and 81.2MB in the end (delta: -9.8MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 421758.25ms. Allocated memory was 169.9MB in the beginning and 536.9MB in the end (delta: 367.0MB). Free memory was 80.1MB in the beginning and 304.5MB in the end (delta: -224.3MB). Peak memory consumption was 143.7MB. Max. memory is 16.1GB.
* Witness Printer took 3.32ms. Allocated memory is still 536.9MB. Free memory is still 304.5MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 4338]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: unable to decide satisfiability of path constraint, overapproximation of large string literal at line 3320.
Possible FailurePath:
[L3268] int LDV_IN_INTERRUPT = 1;
[L3269] struct file *wdt_fops_group2 ;
[L3270] int ldv_state_variable_2 ;
[L3271] struct inode *wdt_fops_group1 ;
[L3272] int ref_cnt ;
[L3273] int ldv_state_variable_1 ;
[L3274] int ldv_state_variable_0 ;
[L3304] static unsigned int base ;
[L3305] static unsigned int gpact ;
[L3306] static unsigned int ciract ;
[L3307] static unsigned int max_units ;
[L3308] static unsigned int chip_type ;
[L3309] static unsigned long wdt_status ;
[L3310] static int nogameport = 0;
[L3311] static int nocir = 0;
[L3312] static int exclusive = 1;
[L3313] static int timeout = 60;
[L3314] static int testmode = 0;
[L3315] static bool nowayout = 1;
[L3695] static struct watchdog_info const ident = {33152U, 1U, {'I', 'T', '8', '7', ' ', 'W', 'D', 'T', '\000'}};
[L3878-L3880] static struct file_operations const wdt_fops =
{& __this_module, & no_llseek, 0, & wdt_write, 0, 0, 0, 0, & wdt_ioctl, 0, 0, 0,
& wdt_open, 0, & wdt_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
[L3881-L3882] static struct miscdevice wdt_miscdev =
{130, "watchdog", & wdt_fops, {0, 0}, 0, 0, 0, 0, (unsigned short)0};
[L3883] static struct notifier_block wdt_notifier = {& wdt_notify_sys, 0, 0};
[L4119] int ldv_retval_0 ;
[L4120] int ldv_retval_1 ;
[L4377] int ldv_module_refcounter = 1;
[L4137] void *ldvarg1 ;
[L4138] void *tmp ;
[L4139] struct notifier_block *ldvarg0 ;
[L4140] void *tmp___0 ;
[L4141] unsigned long ldvarg2 ;
[L4142] size_t ldvarg8 ;
[L4143] loff_t *ldvarg7 ;
[L4144] void *tmp___1 ;
[L4145] unsigned int ldvarg4 ;
[L4146] unsigned long ldvarg3 ;
[L4147] char *ldvarg9 ;
[L4148] void *tmp___2 ;
[L4149] int ldvarg5 ;
[L4150] loff_t ldvarg6 ;
[L4151] int tmp___3 ;
[L4152] int tmp___4 ;
[L4153] int tmp___5 ;
[L4154] int tmp___6 ;
[L4156] CALL, EXPR ldv_init_zalloc(1UL)
[L3222] void *p ;
[L3223] void *tmp ;
[L3225] EXPR, FCALL calloc(1UL, size)
[L3225] tmp = calloc(1UL, size)
[L3226] p = tmp
[L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3184] COND FALSE !(!cond)
[L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3228] return (p);
[L4156] RET, EXPR ldv_init_zalloc(1UL)
[L4156] tmp = ldv_init_zalloc(1UL)
[L4157] ldvarg1 = tmp
[L4158] CALL, EXPR ldv_init_zalloc(24UL)
[L3222] void *p ;
[L3223] void *tmp ;
[L3225] EXPR, FCALL calloc(1UL, size)
[L3225] tmp = calloc(1UL, size)
[L3226] p = tmp
[L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3184] COND FALSE !(!cond)
[L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3228] return (p);
[L4158] RET, EXPR ldv_init_zalloc(24UL)
[L4158] tmp___0 = ldv_init_zalloc(24UL)
[L4159] ldvarg0 = (struct notifier_block *)tmp___0
[L4160] CALL, EXPR ldv_init_zalloc(8UL)
[L3222] void *p ;
[L3223] void *tmp ;
[L3225] EXPR, FCALL calloc(1UL, size)
[L3225] tmp = calloc(1UL, size)
[L3226] p = tmp
[L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3184] COND FALSE !(!cond)
[L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3228] return (p);
[L4160] RET, EXPR ldv_init_zalloc(8UL)
[L4160] tmp___1 = ldv_init_zalloc(8UL)
[L4161] ldvarg7 = (loff_t *)tmp___1
[L4162] CALL, EXPR ldv_init_zalloc(1UL)
[L3222] void *p ;
[L3223] void *tmp ;
[L3225] EXPR, FCALL calloc(1UL, size)
[L3225] tmp = calloc(1UL, size)
[L3226] p = tmp
[L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3184] COND FALSE !(!cond)
[L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3228] return (p);
[L4162] RET, EXPR ldv_init_zalloc(1UL)
[L4162] tmp___2 = ldv_init_zalloc(1UL)
[L4163] ldvarg9 = (char *)tmp___2
[L4164] FCALL ldv_initialize()
[L4165] CALL ldv_memset((void *)(& ldvarg2), 0, 8UL)
[L3233] void *tmp ;
[L3235] EXPR, FCALL memset(s, c, n)
[L3235] tmp = memset(s, c, n)
[L3236] return (tmp);
[L4165] RET ldv_memset((void *)(& ldvarg2), 0, 8UL)
[L4166] CALL ldv_memset((void *)(& ldvarg8), 0, 8UL)
[L3233] void *tmp ;
[L3235] EXPR, FCALL memset(s, c, n)
[L3235] tmp = memset(s, c, n)
[L3236] return (tmp);
[L4166] RET ldv_memset((void *)(& ldvarg8), 0, 8UL)
[L4167] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL)
[L3233] void *tmp ;
[L3235] EXPR, FCALL memset(s, c, n)
[L3235] tmp = memset(s, c, n)
[L3236] return (tmp);
[L4167] RET ldv_memset((void *)(& ldvarg4), 0, 4UL)
[L4168] CALL ldv_memset((void *)(& ldvarg3), 0, 8UL)
[L3233] void *tmp ;
[L3235] EXPR, FCALL memset(s, c, n)
[L3235] tmp = memset(s, c, n)
[L3236] return (tmp);
[L4168] RET ldv_memset((void *)(& ldvarg3), 0, 8UL)
[L4169] CALL ldv_memset((void *)(& ldvarg5), 0, 4UL)
[L3233] void *tmp ;
[L3235] EXPR, FCALL memset(s, c, n)
[L3235] tmp = memset(s, c, n)
[L3236] return (tmp);
[L4169] RET ldv_memset((void *)(& ldvarg5), 0, 4UL)
[L4170] CALL ldv_memset((void *)(& ldvarg6), 0, 8UL)
[L3233] void *tmp ;
[L3235] EXPR, FCALL memset(s, c, n)
[L3235] tmp = memset(s, c, n)
[L3236] return (tmp);
[L4170] RET ldv_memset((void *)(& ldvarg6), 0, 8UL)
[L4171] ldv_state_variable_1 = 0
[L4172] ref_cnt = 0
[L4173] ldv_state_variable_0 = 1
[L4174] ldv_state_variable_2 = 0
[L4176] tmp___3 = __VERIFIER_nondet_int()
[L4178] case 0:
[L4196] case 1:
[L4197] COND TRUE ldv_state_variable_0 != 0
[L4198] tmp___5 = __VERIFIER_nondet_int()
[L4200] case 0:
[L4208] case 1:
[L4209] COND TRUE ldv_state_variable_0 == 1
[L4210] CALL, EXPR it87_wdt_init()
[L3886] int rc ;
[L3887] int try_gameport ;
[L3888] u8 chip_rev ;
[L3889] int gp_rreq_fail ;
[L3890] int tmp ;
[L3891] int tmp___0 ;
[L3892] int tmp___1 ;
[L3893] int tmp___2 ;
[L3894] struct resource *tmp___3 ;
[L3895] struct resource *tmp___4 ;
[L3896] int tmp___5 ;
[L3897] int tmp___6 ;
[L3898] int tmp___7 ;
[L3899] int tmp___8 ;
[L3900] int tmp___9 ;
[L3902] rc = 0
[L3903] try_gameport = nogameport == 0
[L3904] gp_rreq_fail = 0
[L3905] wdt_status = 0UL
[L3906] CALL, EXPR superio_enter()
[L3318] struct resource *tmp ;
[L3320] CALL, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L4453] CALL, EXPR ldv_malloc(sizeof(struct resource))
[L3188] void *p ;
[L3189] void *tmp ;
[L3190] int tmp___0 ;
[L3192] tmp___0 = __VERIFIER_nondet_int()
[L3193] COND FALSE !(tmp___0 != 0)
[L3196] tmp = malloc(size)
[L3197] p = tmp
[L3198] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3184] COND FALSE !(!cond)
[L3198] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3199] return (p);
[L4453] RET, EXPR ldv_malloc(sizeof(struct resource))
[L4453] return ldv_malloc(sizeof(struct resource));
[L3320] RET, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L3320] tmp = __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L3321] COND FALSE !((unsigned long )tmp == (unsigned long )((struct resource *)0))
[L3325] FCALL outb(135, 46)
[L3326] FCALL outb(1, 46)
[L3327] FCALL outb(85, 46)
[L3328] FCALL outb(85, 46)
[L3329] return (0);
[L3906] RET, EXPR superio_enter()
[L3906] rc = superio_enter()
[L3907] COND FALSE !(rc != 0)
[L3911] CALL, EXPR superio_inw(32)
[L3368] int val ;
[L3369] int tmp ;
[L3370] unsigned char tmp___0 ;
[L3371] unsigned char tmp___1 ;
[L3373] tmp = reg
[L3374] reg = reg + 1
[L3375] FCALL outb((int )((unsigned char )tmp), 46)
[L3376] CALL, EXPR inb(47)
[L3170] unsigned char value ;
[L3173] return (value);
[L3376] RET, EXPR inb(47)
[L3376] tmp___0 = inb(47)
[L3377] val = (int )tmp___0 << 8
[L3378] FCALL outb((int )((unsigned char )reg), 46)
[L3379] CALL, EXPR inb(47)
[L3170] unsigned char value ;
[L3173] return (value);
[L3379] RET, EXPR inb(47)
[L3379] tmp___1 = inb(47)
[L3380] val = (int )tmp___1 | val
[L3381] return (val);
[L3911] RET, EXPR superio_inw(32)
[L3911] tmp = superio_inw(32)
[L3912] chip_type = (unsigned int )tmp
[L3913] CALL, EXPR superio_inb(34)
[L3351] unsigned char tmp ;
[L3353] FCALL outb((int )((unsigned char )reg), 46)
[L3354] CALL, EXPR inb(47)
[L3170] unsigned char value ;
[L3173] return (value);
[L3354] RET, EXPR inb(47)
[L3354] tmp = inb(47)
[L3355] return ((int )tmp);
[L3913] RET, EXPR superio_inb(34)
[L3913] tmp___0 = superio_inb(34)
[L3914] chip_rev = (unsigned int )((u8 )tmp___0) & 15U
[L3915] CALL superio_exit()
[L3335] FCALL outb(2, 46)
[L3336] FCALL outb(2, 47)
[L3337] FCALL __release_region(& ioport_resource, 46ULL, 2ULL)
[L3915] RET superio_exit()
[L3917] case 34562U:
[L3920] case 34578U:
[L3923] case 34582U:
[L3924] case 34598U:
[L3927] case 34584U:
[L3928] case 34592U:
[L3929] case 34593U:
[L3930] case 34600U:
[L3931] case 34691U:
[L3932] max_units = 65535U
[L3933] try_gameport = 0
[L3947] CALL, EXPR superio_enter()
[L3318] struct resource *tmp ;
[L3320] CALL, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L4453] CALL, EXPR ldv_malloc(sizeof(struct resource))
[L3188] void *p ;
[L3189] void *tmp ;
[L3190] int tmp___0 ;
[L3192] tmp___0 = __VERIFIER_nondet_int()
[L3193] COND FALSE !(tmp___0 != 0)
[L3196] tmp = malloc(size)
[L3197] p = tmp
[L3198] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3184] COND FALSE !(!cond)
[L3198] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3199] return (p);
[L4453] RET, EXPR ldv_malloc(sizeof(struct resource))
[L4453] return ldv_malloc(sizeof(struct resource));
[L3320] RET, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L3320] tmp = __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L3321] COND FALSE !((unsigned long )tmp == (unsigned long )((struct resource *)0))
[L3325] FCALL outb(135, 46)
[L3326] FCALL outb(1, 46)
[L3327] FCALL outb(85, 46)
[L3328] FCALL outb(85, 46)
[L3329] return (0);
[L3947] RET, EXPR superio_enter()
[L3947] rc = superio_enter()
[L3948] COND FALSE !(rc != 0)
[L3952] CALL superio_select(7)
[L3344] FCALL outb(7, 46)
[L3345] FCALL outb((int )((unsigned char )ldn), 47)
[L3952] RET superio_select(7)
[L3953] CALL superio_outb(128, 114)
[L3361] FCALL outb((int )((unsigned char )reg), 46)
[L3362] FCALL outb((int )((unsigned char )val), 47)
[L3953] RET superio_outb(128, 114)
[L3954] CALL superio_outb(0, 113)
[L3361] FCALL outb((int )((unsigned char )reg), 46)
[L3362] FCALL outb((int )((unsigned char )val), 47)
[L3954] RET superio_outb(0, 113)
[L3955] COND FALSE !(try_gameport != 0)
[L3976] COND TRUE nocir == 0
[L3977] CALL, EXPR constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status))
[L3151] EXPR addr + (unsigned long )(nr >> 6)
[L3151] return ((int )((unsigned long )*(addr + (unsigned long )(nr >> 6)) >> ((int )nr & 63)) & 1);
[L3977] RET, EXPR constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status))
[L3977] tmp___6 = constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status))
[L3978] COND TRUE tmp___6 == 0
[L3979] CALL, EXPR __request_region(& ioport_resource, 520ULL, 8ULL, "IT87 WDT", 0)
[L4453] CALL, EXPR ldv_malloc(sizeof(struct resource))
[L3188] void *p ;
[L3189] void *tmp ;
[L3190] int tmp___0 ;
[L3192] tmp___0 = __VERIFIER_nondet_int()
[L3193] COND FALSE !(tmp___0 != 0)
[L3196] tmp = malloc(size)
[L3197] p = tmp
[L3198] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3184] COND FALSE !(!cond)
[L3198] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3199] return (p);
[L4453] RET, EXPR ldv_malloc(sizeof(struct resource))
[L4453] return ldv_malloc(sizeof(struct resource));
[L3979] RET, EXPR __request_region(& ioport_resource, 520ULL, 8ULL, "IT87 WDT", 0)
[L3979] tmp___4 = __request_region(& ioport_resource, 520ULL, 8ULL, "IT87 WDT", 0)
[L3980] COND FALSE !((unsigned long )tmp___4 == (unsigned long )((struct resource *)0))
[L3991] base = 520U
[L3992] CALL superio_select(10)
[L3344] FCALL outb(7, 46)
[L3345] FCALL outb((int )((unsigned char )ldn), 47)
[L3992] RET superio_select(10)
[L3993] CALL superio_outw((int )base, 96)
[L3386] int tmp ;
[L3388] tmp = reg
[L3389] reg = reg + 1
[L3390] FCALL outb((int )((unsigned char )tmp), 46)
[L3391] FCALL outb((int )((unsigned char )(val >> 8)), 47)
[L3392] FCALL outb((int )((unsigned char )reg), 46)
[L3393] FCALL outb((int )((unsigned char )val), 47)
[L3993] RET superio_outw((int )base, 96)
[L3994] CALL superio_outb(0, 112)
[L3361] FCALL outb((int )((unsigned char )reg), 46)
[L3362] FCALL outb((int )((unsigned char )val), 47)
[L3994] RET superio_outb(0, 112)
[L3995] CALL, EXPR superio_inb(48)
[L3351] unsigned char tmp ;
[L3353] FCALL outb((int )((unsigned char )reg), 46)
[L3354] CALL, EXPR inb(47)
[L3170] unsigned char value ;
[L3173] return (value);
[L3354] RET, EXPR inb(47)
[L3354] tmp = inb(47)
[L3355] return ((int )tmp);
[L3995] RET, EXPR superio_inb(48)
[L3995] tmp___5 = superio_inb(48)
[L3996] ciract = (unsigned int )tmp___5
[L3997] CALL superio_outb(1, 48)
[L3361] FCALL outb((int )((unsigned char )reg), 46)
[L3362] FCALL outb((int )((unsigned char )val), 47)
[L3997] RET superio_outb(1, 48)
[L3998] COND FALSE !(gp_rreq_fail != 0)
[L4003] FCALL set_bit(6L, (unsigned long volatile *)(& wdt_status))
[L4008] COND FALSE !(timeout <= 0 || (unsigned int )timeout > max_units * 60U)
[L4013] COND FALSE !((unsigned int )timeout > max_units)
[L4017] CALL, EXPR register_reboot_notifier(& wdt_notifier)
[L4480] return __VERIFIER_nondet_int();
[L4017] RET, EXPR register_reboot_notifier(& wdt_notifier)
[L4017] rc = register_reboot_notifier(& wdt_notifier)
[L4018] COND FALSE !(rc != 0)
[L4023] CALL, EXPR ldv_misc_register_7(& wdt_miscdev)
[L4312] ldv_func_ret_type ldv_func_res ;
[L4313] int tmp ;
[L4315] CALL, EXPR misc_register(misc)
[L4468] return __VERIFIER_nondet_int();
[L4315] RET, EXPR misc_register(misc)
[L4315] tmp = misc_register(misc)
[L4316] ldv_func_res = tmp
[L4317] ldv_state_variable_2 = 1
[L4318] CALL ldv_file_operations_2()
[L4125] void *tmp ;
[L4126] void *tmp___0 ;
[L4128] CALL, EXPR ldv_init_zalloc(1000UL)
[L3222] void *p ;
[L3223] void *tmp ;
[L3225] EXPR, FCALL calloc(1UL, size)
[L3225] tmp = calloc(1UL, size)
[L3226] p = tmp
[L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3184] COND FALSE !(!cond)
[L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3228] return (p);
[L4128] RET, EXPR ldv_init_zalloc(1000UL)
[L4128] tmp = ldv_init_zalloc(1000UL)
[L4129] wdt_fops_group1 = (struct inode *)tmp
[L4130] CALL, EXPR ldv_init_zalloc(504UL)
[L3222] void *p ;
[L3223] void *tmp ;
[L3225] EXPR, FCALL calloc(1UL, size)
[L3225] tmp = calloc(1UL, size)
[L3226] p = tmp
[L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3184] COND FALSE !(!cond)
[L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
[L3228] return (p);
[L4130] RET, EXPR ldv_init_zalloc(504UL)
[L4130] tmp___0 = ldv_init_zalloc(504UL)
[L4131] wdt_fops_group2 = (struct file *)tmp___0
[L4318] RET ldv_file_operations_2()
[L4319] return (ldv_func_res);
[L4023] RET, EXPR ldv_misc_register_7(& wdt_miscdev)
[L4023] rc = ldv_misc_register_7(& wdt_miscdev)
[L4024] COND FALSE !(rc != 0)
[L4030] CALL, EXPR constant_test_bit(6L, (unsigned long const volatile *)(& wdt_status))
[L3151] EXPR addr + (unsigned long )(nr >> 6)
[L3151] return ((int )((unsigned long )*(addr + (unsigned long )(nr >> 6)) >> ((int )nr & 63)) & 1);
[L4030] RET, EXPR constant_test_bit(6L, (unsigned long const volatile *)(& wdt_status))
[L4030] tmp___7 = constant_test_bit(6L, (unsigned long const volatile *)(& wdt_status))
[L4031] COND FALSE !(tmp___7 != 0)
[L4044] CALL superio_exit()
[L3335] FCALL outb(2, 46)
[L3336] FCALL outb(2, 47)
[L3337] FCALL __release_region(& ioport_resource, 46ULL, 2ULL)
[L4044] RET superio_exit()
[L4045] return (0);
[L4210] RET, EXPR it87_wdt_init()
[L4210] ldv_retval_0 = it87_wdt_init()
[L4211] COND TRUE ldv_retval_0 == 0
[L4212] ldv_state_variable_0 = 3
[L4213] ldv_state_variable_1 = 1
[L4216] COND FALSE !(ldv_retval_0 != 0)
[L4176] tmp___3 = __VERIFIER_nondet_int()
[L4178] case 0:
[L4196] case 1:
[L4231] case 2:
[L4232] COND TRUE ldv_state_variable_2 != 0
[L4233] tmp___6 = __VERIFIER_nondet_int()
[L4235] case 0:
[L4247] case 1:
[L4255] case 2:
[L4262] case 3:
[L4263] COND TRUE ldv_state_variable_2 == 1
[L4264] CALL, EXPR wdt_open(wdt_fops_group1, wdt_fops_group2)
[L3587] int tmp ;
[L3588] int ret ;
[L3589] int tmp___0 ;
[L3590] int tmp___1 ;
[L3591] int tmp___2 ;
[L3593] COND TRUE exclusive != 0
[L3594] CALL, EXPR test_and_set_bit(1L, (unsigned long volatile *)(& wdt_status))
[L3132] char c ;
[L3136] return ((int )((signed char )c) != 0);
[L3594] RET, EXPR test_and_set_bit(1L, (unsigned long volatile *)(& wdt_status))
[L3594] tmp = test_and_set_bit(1L, (unsigned long volatile *)(& wdt_status))
[L3595] COND FALSE !(tmp != 0)
[L3601] CALL, EXPR test_and_set_bit(0L, (unsigned long volatile *)(& wdt_status))
[L3132] char c ;
[L3136] return ((int )((signed char )c) != 0);
[L3601] RET, EXPR test_and_set_bit(0L, (unsigned long volatile *)(& wdt_status))
[L3601] tmp___1 = test_and_set_bit(0L, (unsigned long volatile *)(& wdt_status))
[L3602] COND TRUE tmp___1 == 0
[L3603] COND TRUE (int )nowayout
[L3604] CALL, EXPR test_and_set_bit(3L, (unsigned long volatile *)(& wdt_status))
[L3132] char c ;
[L3136] return ((int )((signed char )c) != 0);
[L3604] RET, EXPR test_and_set_bit(3L, (unsigned long volatile *)(& wdt_status))
[L3604] tmp___0 = test_and_set_bit(3L, (unsigned long volatile *)(& wdt_status))
[L3605] COND TRUE tmp___0 == 0
[L3606] CALL ldv___module_get_5(& __this_module)
[L4300] CALL ldv_module_get(ldv_func_arg1)
[L4381] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0)
[L4382] ldv_module_refcounter = ldv_module_refcounter + 1
[L4300] RET ldv_module_get(ldv_func_arg1)
[L3606] RET ldv___module_get_5(& __this_module)
[L3611] CALL, EXPR wdt_start()
[L3464] int ret ;
[L3465] int tmp ;
[L3466] int tmp___0 ;
[L3467] int tmp___1 ;
[L3469] CALL, EXPR superio_enter()
[L3318] struct resource *tmp ;
[L3320] CALL, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L4453] CALL, EXPR ldv_malloc(sizeof(struct resource))
[L3188] void *p ;
[L3189] void *tmp ;
[L3190] int tmp___0 ;
[L3192] tmp___0 = __VERIFIER_nondet_int()
[L3193] COND TRUE tmp___0 != 0
[L3194] return ((void *)0);
[L4453] RET, EXPR ldv_malloc(sizeof(struct resource))
[L4453] return ldv_malloc(sizeof(struct resource));
[L3320] RET, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L3320] tmp = __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L3321] COND TRUE (unsigned long )tmp == (unsigned long )((struct resource *)0)
[L3322] return (-16);
[L3469] RET, EXPR superio_enter()
[L3469] tmp = superio_enter()
[L3470] ret = tmp
[L3471] COND TRUE ret != 0
[L3472] return (ret);
[L3611] RET, EXPR wdt_start()
[L3611] ret = wdt_start()
[L3612] COND TRUE ret != 0
[L3613] FCALL clear_bit(3L, (unsigned long volatile *)(& wdt_status))
[L3614] FCALL clear_bit(0L, (unsigned long volatile *)(& wdt_status))
[L3615] FCALL clear_bit(1L, (unsigned long volatile *)(& wdt_status))
[L3616] return (ret);
[L4264] RET, EXPR wdt_open(wdt_fops_group1, wdt_fops_group2)
[L4264] ldv_retval_1 = wdt_open(wdt_fops_group1, wdt_fops_group2)
[L4265] COND FALSE !(ldv_retval_1 == 0)
[L4176] tmp___3 = __VERIFIER_nondet_int()
[L4178] case 0:
[L4196] case 1:
[L4197] COND TRUE ldv_state_variable_0 != 0
[L4198] tmp___5 = __VERIFIER_nondet_int()
[L4200] case 0:
[L4201] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0
[L4202] CALL it87_wdt_exit()
[L4073] int tmp ;
[L4074] int tmp___0 ;
[L4075] int tmp___1 ;
[L4076] int tmp___2 ;
[L4077] int tmp___3 ;
[L4079] CALL, EXPR superio_enter()
[L3318] struct resource *tmp ;
[L3320] CALL, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L4453] CALL, EXPR ldv_malloc(sizeof(struct resource))
[L3188] void *p ;
[L3189] void *tmp ;
[L3190] int tmp___0 ;
[L3192] tmp___0 = __VERIFIER_nondet_int()
[L3193] COND TRUE tmp___0 != 0
[L3194] return ((void *)0);
[L4453] RET, EXPR ldv_malloc(sizeof(struct resource))
[L4453] return ldv_malloc(sizeof(struct resource));
[L3320] RET, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L3320] tmp = __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)
[L3321] COND TRUE (unsigned long )tmp == (unsigned long )((struct resource *)0)
[L3322] return (-16);
[L4079] RET, EXPR superio_enter()
[L4079] tmp___1 = superio_enter()
[L4080] COND FALSE !(tmp___1 == 0)
[L4104] CALL ldv_misc_deregister_8(& wdt_miscdev)
[L4324] ldv_func_ret_type___0 ldv_func_res ;
[L4325] int tmp ;
[L4327] CALL, EXPR misc_deregister(misc)
[L4464] return __VERIFIER_nondet_int();
[L4327] RET, EXPR misc_deregister(misc)
[L4327] tmp = misc_deregister(misc)
[L4328] ldv_func_res = tmp
[L4329] ldv_state_variable_2 = 0
[L4330] return (ldv_func_res);
[L4104] RET ldv_misc_deregister_8(& wdt_miscdev)
[L4105] CALL unregister_reboot_notifier(& wdt_notifier)
[L4484] return __VERIFIER_nondet_int();
[L4105] RET unregister_reboot_notifier(& wdt_notifier)
[L4106] CALL, EXPR constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status))
[L3151] EXPR addr + (unsigned long )(nr >> 6)
[L3151] return ((int )((unsigned long )*(addr + (unsigned long )(nr >> 6)) >> ((int )nr & 63)) & 1);
[L4106] RET, EXPR constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status))
[L4106] tmp___3 = constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status))
[L4107] COND TRUE tmp___3 != 0
[L4108] FCALL __release_region(& ioport_resource, (resource_size_t )base, 1ULL)
[L4202] RET it87_wdt_exit()
[L4203] ldv_state_variable_0 = 2
[L4293] CALL ldv_check_final_state()
[L4436] COND TRUE ldv_module_refcounter != 1
[L4437] CALL ldv_error()
[L4338] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 31 procedures, 571 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 421.6s, OverallIterations: 22, TraceHistogramMax: 40, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 28.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 11299 SdHoareTripleChecker+Valid, 23165.74ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11117 mSDsluCounter, 72570 SdHoareTripleChecker+Invalid, 21016.61ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52644 mSDsCounter, 2963 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3152 IncrementalHoareTripleChecker+Invalid, 6120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2963 mSolverCounterUnsat, 19926 mSDtfsCounter, 3152 mSolverCounterSat, 269.23ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15575 GetRequests, 15411 SyntacticMatches, 1 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4661occurred in iteration=20, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 6766 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.2s SsaConstructionTime, 50.0s SatisfiabilityAnalysisTime, 136.3s InterpolantComputationTime, 8394 NumberOfCodeBlocks, 7795 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 16137 ConstructedInterpolants, 150 QuantifiedInterpolants, 38458 SizeOfPredicates, 63 NumberOfNonLiveVariables, 27839 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 43 InterpolantComputations, 26 PerfectInterpolantSequences, 67025/67675 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2021-11-13 18:23:41,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7b6735-4f0c-4472-b819-68b1899ccabd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN