./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
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_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/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_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/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 32bit --witnessprinter.graph.data.programhash 1c5ecbc156ef402fa8ca002c27ace1df37fef4394f3f2e7d74e739b1fb38fbd5
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:35:00,320 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:35:00,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:35:00,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:35:00,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:35:00,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:35:00,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:35:00,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:35:00,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:35:00,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:35:00,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:35:00,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:35:00,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:35:00,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:35:00,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:35:00,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:35:00,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:35:00,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:35:00,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:35:00,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:35:00,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:35:00,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:35:00,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:35:00,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:35:00,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:35:00,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:35:00,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:35:00,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:35:00,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:35:00,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:35:00,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:35:00,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:35:00,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:35:00,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:35:00,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:35:00,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:35:00,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:35:00,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:35:00,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:35:00,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:35:00,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:35:00,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:35:00,505 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:35:00,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:35:00,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:35:00,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:35:00,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:35:00,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:35:00,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:35:00,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:35:00,523 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:35:00,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:35:00,523 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:35:00,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:35:00,524 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:35:00,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:35:00,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:35:00,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:35:00,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:35:00,525 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:35:00,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:35:00,526 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:35:00,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:35:00,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:35:00,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:35:00,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:35:00,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:35:00,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:35:00,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:35:00,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:35:00,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:35:00,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:35:00,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:35:00,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:35:00,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:35:00,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:35:00,530 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_9f511985-c454-4988-ae54-b6a71252e33e/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5ecbc156ef402fa8ca002c27ace1df37fef4394f3f2e7d74e739b1fb38fbd5
[2021-11-13 18:35:00,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:35:00,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:35:00,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:35:00,877 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:35:00,878 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:35:00,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c
[2021-11-13 18:35:00,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data/ff75f7b3c/eab9a0ca8054475d8a8eda862e1d0a11/FLAG5c9deec25
[2021-11-13 18:35:01,743 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:35:01,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c
[2021-11-13 18:35:01,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data/ff75f7b3c/eab9a0ca8054475d8a8eda862e1d0a11/FLAG5c9deec25
[2021-11-13 18:35:01,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data/ff75f7b3c/eab9a0ca8054475d8a8eda862e1d0a11
[2021-11-13 18:35:01,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:35:01,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:35:01,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:35:01,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:35:01,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:35:01,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:35:01" (1/1) ...
[2021-11-13 18:35:01,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2a34ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:01, skipping insertion in model container
[2021-11-13 18:35:01,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:35:01" (1/1) ...
[2021-11-13 18:35:01,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:35:02,040 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:35:02,504 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_9f511985-c454-4988-ae54-b6a71252e33e/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c[65397,65410]
[2021-11-13 18:35:02,517 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:35:02,535 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:35:02,675 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_9f511985-c454-4988-ae54-b6a71252e33e/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c[65397,65410]
[2021-11-13 18:35:02,679 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:35:02,698 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:35:02,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02 WrapperNode
[2021-11-13 18:35:02,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:35:02,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:35:02,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:35:02,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:35:02,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:02,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:02,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:35:02,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:35:02,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:35:02,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:35:02,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:02,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:02,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:02,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:02,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:02,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:02,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:02,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:35:02,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:35:02,982 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:35:02,983 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:35:02,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (1/1) ...
[2021-11-13 18:35:03,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:35:03,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:35:03,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:35:03,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:35:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-13 18:35:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:35:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:35:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:35:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-13 18:35:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:35:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:35:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:35:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:35:03,380 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-13 18:35:06,639 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2021-11-13 18:35:06,640 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2021-11-13 18:35:06,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:35:06,651 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:35:06,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:35:06 BoogieIcfgContainer
[2021-11-13 18:35:06,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:35:06,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:35:06,657 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:35:06,661 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:35:06,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:35:01" (1/3) ...
[2021-11-13 18:35:06,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5084c2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:35:06, skipping insertion in model container
[2021-11-13 18:35:06,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:35:02" (2/3) ...
[2021-11-13 18:35:06,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5084c2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:35:06, skipping insertion in model container
[2021-11-13 18:35:06,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:35:06" (3/3) ...
[2021-11-13 18:35:06,665 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03.i.cil-1.c
[2021-11-13 18:35:06,672 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:35:06,686 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:35:06,811 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:35:06,819 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 18:35:06,819 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:35:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-11-13 18:35:06,880 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:06,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:35:06,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:06,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:06,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1457695037, now seen corresponding path program 1 times
[2021-11-13 18:35:06,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:06,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651462979]
[2021-11-13 18:35:06,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:06,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:35:07,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:07,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651462979]
[2021-11-13 18:35:07,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651462979] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:07,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:07,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:07,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766769505]
[2021-11-13 18:35:07,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:07,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:07,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:07,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:07,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:07,474 INFO L87 Difference]: Start difference. First operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:09,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:09,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:09,981 INFO L93 Difference]: Finished difference Result 255 states and 430 transitions.
[2021-11-13 18:35:09,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:09,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2021-11-13 18:35:09,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:10,004 INFO L225 Difference]: With dead ends: 255
[2021-11-13 18:35:10,004 INFO L226 Difference]: Without dead ends: 116
[2021-11-13 18:35:10,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:10,025 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 7 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2301.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.33ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2394.40ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:10,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 530 Invalid, 103 Unknown, 0 Unchecked, 11.33ms Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2394.40ms Time]
[2021-11-13 18:35:10,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2021-11-13 18:35:10,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115.
[2021-11-13 18:35:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 114 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions.
[2021-11-13 18:35:10,087 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24
[2021-11-13 18:35:10,087 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:10,088 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions.
[2021-11-13 18:35:10,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:10,089 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions.
[2021-11-13 18:35:10,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2021-11-13 18:35:10,091 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:10,091 INFO L514 BasicCegarLoop]: trace histogram [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]
[2021-11-13 18:35:10,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:35:10,092 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:10,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:10,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1001988123, now seen corresponding path program 1 times
[2021-11-13 18:35:10,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:10,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962546040]
[2021-11-13 18:35:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:10,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-13 18:35:10,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:10,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962546040]
[2021-11-13 18:35:10,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962546040] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:10,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:10,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:35:10,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546878]
[2021-11-13 18:35:10,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:10,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:35:10,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:10,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:35:10,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:35:10,310 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:10,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:10,369 INFO L93 Difference]: Finished difference Result 321 states and 484 transitions.
[2021-11-13 18:35:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:35:10,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38
[2021-11-13 18:35:10,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:10,374 INFO L225 Difference]: With dead ends: 321
[2021-11-13 18:35:10,374 INFO L226 Difference]: Without dead ends: 216
[2021-11-13 18:35:10,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:35:10,378 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 124 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.81ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.92ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:10,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 310 Invalid, 23 Unknown, 0 Unchecked, 2.81ms Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 33.92ms Time]
[2021-11-13 18:35:10,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states.
[2021-11-13 18:35:10,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216.
[2021-11-13 18:35:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.4883720930232558) internal successors, (320), 215 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:10,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 320 transitions.
[2021-11-13 18:35:10,410 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 320 transitions. Word has length 38
[2021-11-13 18:35:10,410 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:10,411 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 320 transitions.
[2021-11-13 18:35:10,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 320 transitions.
[2021-11-13 18:35:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2021-11-13 18:35:10,415 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:10,415 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:35:10,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:35:10,416 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:10,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:10,417 INFO L85 PathProgramCache]: Analyzing trace with hash -596933037, now seen corresponding path program 1 times
[2021-11-13 18:35:10,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:10,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317180736]
[2021-11-13 18:35:10,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:10,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-13 18:35:10,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:10,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317180736]
[2021-11-13 18:35:10,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317180736] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:10,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:10,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:35:10,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320426616]
[2021-11-13 18:35:10,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:10,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:35:10,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:10,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:35:10,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:35:10,620 INFO L87 Difference]: Start difference. First operand 216 states and 320 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:12,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:12,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:12,699 INFO L93 Difference]: Finished difference Result 420 states and 629 transitions.
[2021-11-13 18:35:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:35:12,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53
[2021-11-13 18:35:12,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:12,704 INFO L225 Difference]: With dead ends: 420
[2021-11-13 18:35:12,705 INFO L226 Difference]: Without dead ends: 315
[2021-11-13 18:35:12,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:35:12,709 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 123 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2034.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.66ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2057.47ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:12,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 461 Invalid, 21 Unknown, 0 Unchecked, 3.66ms Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2057.47ms Time]
[2021-11-13 18:35:12,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states.
[2021-11-13 18:35:12,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315.
[2021-11-13 18:35:12,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 314 states have (on average 1.484076433121019) internal successors, (466), 314 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 466 transitions.
[2021-11-13 18:35:12,738 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 466 transitions. Word has length 53
[2021-11-13 18:35:12,739 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:12,739 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 466 transitions.
[2021-11-13 18:35:12,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 466 transitions.
[2021-11-13 18:35:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2021-11-13 18:35:12,746 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:12,746 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:35:12,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:35:12,747 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:12,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:12,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1173568974, now seen corresponding path program 1 times
[2021-11-13 18:35:12,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:12,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391564730]
[2021-11-13 18:35:12,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:12,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:12,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:12,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391564730]
[2021-11-13 18:35:12,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391564730] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:12,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:12,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:12,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315035221]
[2021-11-13 18:35:12,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:12,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:12,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:12,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:12,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:12,914 INFO L87 Difference]: Start difference. First operand 315 states and 466 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:14,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:16,947 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:17,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:17,575 INFO L93 Difference]: Finished difference Result 806 states and 1197 transitions.
[2021-11-13 18:35:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:17,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71
[2021-11-13 18:35:17,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:17,581 INFO L225 Difference]: With dead ends: 806
[2021-11-13 18:35:17,581 INFO L226 Difference]: Without dead ends: 501
[2021-11-13 18:35:17,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:17,589 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 97 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4487.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.40ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4608.81ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:17,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 560 Invalid, 247 Unknown, 0 Unchecked, 6.40ms Time], IncrementalHoareTripleChecker [8 Valid, 237 Invalid, 2 Unknown, 0 Unchecked, 4608.81ms Time]
[2021-11-13 18:35:17,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states.
[2021-11-13 18:35:17,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 365.
[2021-11-13 18:35:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 364 states have (on average 1.5164835164835164) internal successors, (552), 364 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:17,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 552 transitions.
[2021-11-13 18:35:17,648 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 552 transitions. Word has length 71
[2021-11-13 18:35:17,648 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:17,649 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 552 transitions.
[2021-11-13 18:35:17,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 552 transitions.
[2021-11-13 18:35:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2021-11-13 18:35:17,662 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:17,663 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:35:17,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:35:17,663 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:17,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1307582480, now seen corresponding path program 1 times
[2021-11-13 18:35:17,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:17,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071596134]
[2021-11-13 18:35:17,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:17,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:17,802 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:17,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:17,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071596134]
[2021-11-13 18:35:17,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071596134] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:17,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:17,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:17,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870954320]
[2021-11-13 18:35:17,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:17,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:17,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:17,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:17,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:17,805 INFO L87 Difference]: Start difference. First operand 365 states and 552 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:19,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:21,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:22,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:22,210 INFO L93 Difference]: Finished difference Result 806 states and 1218 transitions.
[2021-11-13 18:35:22,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:22,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71
[2021-11-13 18:35:22,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:22,214 INFO L225 Difference]: With dead ends: 806
[2021-11-13 18:35:22,214 INFO L226 Difference]: Without dead ends: 451
[2021-11-13 18:35:22,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:22,217 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 40 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4289.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.99ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4366.58ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:22,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 494 Invalid, 154 Unknown, 0 Unchecked, 3.99ms Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 2 Unknown, 0 Unchecked, 4366.58ms Time]
[2021-11-13 18:35:22,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states.
[2021-11-13 18:35:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 405.
[2021-11-13 18:35:22,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 404 states have (on average 1.5346534653465347) internal successors, (620), 404 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 620 transitions.
[2021-11-13 18:35:22,244 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 620 transitions. Word has length 71
[2021-11-13 18:35:22,244 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:22,245 INFO L470 AbstractCegarLoop]: Abstraction has 405 states and 620 transitions.
[2021-11-13 18:35:22,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:22,246 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 620 transitions.
[2021-11-13 18:35:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2021-11-13 18:35:22,248 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:22,248 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:35:22,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:35:22,249 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:22,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash -2025585655, now seen corresponding path program 1 times
[2021-11-13 18:35:22,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:22,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741692182]
[2021-11-13 18:35:22,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:22,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:22,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:22,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741692182]
[2021-11-13 18:35:22,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741692182] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:22,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:22,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:22,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588334513]
[2021-11-13 18:35:22,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:22,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:22,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:22,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:22,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:22,385 INFO L87 Difference]: Start difference. First operand 405 states and 620 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:24,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:26,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:26,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:26,995 INFO L93 Difference]: Finished difference Result 928 states and 1409 transitions.
[2021-11-13 18:35:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:26,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72
[2021-11-13 18:35:26,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:27,004 INFO L225 Difference]: With dead ends: 928
[2021-11-13 18:35:27,004 INFO L226 Difference]: Without dead ends: 533
[2021-11-13 18:35:27,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:27,008 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 91 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4456.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.25ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4563.94ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:27,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 550 Invalid, 244 Unknown, 0 Unchecked, 5.25ms Time], IncrementalHoareTripleChecker [8 Valid, 234 Invalid, 2 Unknown, 0 Unchecked, 4563.94ms Time]
[2021-11-13 18:35:27,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states.
[2021-11-13 18:35:27,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 407.
[2021-11-13 18:35:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.5320197044334976) internal successors, (622), 406 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 622 transitions.
[2021-11-13 18:35:27,040 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 622 transitions. Word has length 72
[2021-11-13 18:35:27,041 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:27,041 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 622 transitions.
[2021-11-13 18:35:27,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 622 transitions.
[2021-11-13 18:35:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2021-11-13 18:35:27,046 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:27,046 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 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]
[2021-11-13 18:35:27,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 18:35:27,047 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:27,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:27,050 INFO L85 PathProgramCache]: Analyzing trace with hash 703880522, now seen corresponding path program 2 times
[2021-11-13 18:35:27,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:27,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074001929]
[2021-11-13 18:35:27,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:27,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:27,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:27,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074001929]
[2021-11-13 18:35:27,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074001929] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:27,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:27,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:27,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768372183]
[2021-11-13 18:35:27,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:27,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:27,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:27,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:27,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:27,264 INFO L87 Difference]: Start difference. First operand 407 states and 622 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:29,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:31,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:31,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:31,849 INFO L93 Difference]: Finished difference Result 928 states and 1407 transitions.
[2021-11-13 18:35:31,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:31,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85
[2021-11-13 18:35:31,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:31,856 INFO L225 Difference]: With dead ends: 928
[2021-11-13 18:35:31,856 INFO L226 Difference]: Without dead ends: 531
[2021-11-13 18:35:31,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:31,859 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 104 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4419.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.62ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4538.54ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:31,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 548 Invalid, 241 Unknown, 0 Unchecked, 5.62ms Time], IncrementalHoareTripleChecker [8 Valid, 231 Invalid, 2 Unknown, 0 Unchecked, 4538.54ms Time]
[2021-11-13 18:35:31,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states.
[2021-11-13 18:35:31,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 407.
[2021-11-13 18:35:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.5270935960591132) internal successors, (620), 406 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 620 transitions.
[2021-11-13 18:35:31,883 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 620 transitions. Word has length 85
[2021-11-13 18:35:31,883 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:31,884 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 620 transitions.
[2021-11-13 18:35:31,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 620 transitions.
[2021-11-13 18:35:31,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2021-11-13 18:35:31,893 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:31,894 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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]
[2021-11-13 18:35:31,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-13 18:35:31,894 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:31,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:31,897 INFO L85 PathProgramCache]: Analyzing trace with hash -405099924, now seen corresponding path program 1 times
[2021-11-13 18:35:31,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:31,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405713227]
[2021-11-13 18:35:31,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:31,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:32,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:32,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405713227]
[2021-11-13 18:35:32,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405713227] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:32,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:32,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:32,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838387788]
[2021-11-13 18:35:32,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:32,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:32,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:32,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:32,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:32,086 INFO L87 Difference]: Start difference. First operand 407 states and 620 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:34,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:36,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:36,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:36,675 INFO L93 Difference]: Finished difference Result 928 states and 1403 transitions.
[2021-11-13 18:35:36,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:36,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85
[2021-11-13 18:35:36,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:36,681 INFO L225 Difference]: With dead ends: 928
[2021-11-13 18:35:36,681 INFO L226 Difference]: Without dead ends: 531
[2021-11-13 18:35:36,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:36,683 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 102 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4436.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.73ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4539.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:36,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 546 Invalid, 241 Unknown, 0 Unchecked, 5.73ms Time], IncrementalHoareTripleChecker [8 Valid, 231 Invalid, 2 Unknown, 0 Unchecked, 4539.00ms Time]
[2021-11-13 18:35:36,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states.
[2021-11-13 18:35:36,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 407.
[2021-11-13 18:35:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.522167487684729) internal successors, (618), 406 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 618 transitions.
[2021-11-13 18:35:36,704 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 618 transitions. Word has length 85
[2021-11-13 18:35:36,704 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:36,704 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 618 transitions.
[2021-11-13 18:35:36,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 618 transitions.
[2021-11-13 18:35:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2021-11-13 18:35:36,707 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:36,707 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 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]
[2021-11-13 18:35:36,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-11-13 18:35:36,708 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:36,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:36,708 INFO L85 PathProgramCache]: Analyzing trace with hash -325478776, now seen corresponding path program 2 times
[2021-11-13 18:35:36,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:36,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331278382]
[2021-11-13 18:35:36,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:36,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:36,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:36,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331278382]
[2021-11-13 18:35:36,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331278382] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:36,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:36,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:36,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526035196]
[2021-11-13 18:35:36,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:36,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:36,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:36,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:36,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:36,815 INFO L87 Difference]: Start difference. First operand 407 states and 618 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:38,831 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:40,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:41,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:41,221 INFO L93 Difference]: Finished difference Result 848 states and 1278 transitions.
[2021-11-13 18:35:41,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:41,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85
[2021-11-13 18:35:41,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:41,226 INFO L225 Difference]: With dead ends: 848
[2021-11-13 18:35:41,226 INFO L226 Difference]: Without dead ends: 451
[2021-11-13 18:35:41,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:41,228 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 48 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4289.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.75ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4367.52ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:41,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 494 Invalid, 149 Unknown, 0 Unchecked, 3.75ms Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 2 Unknown, 0 Unchecked, 4367.52ms Time]
[2021-11-13 18:35:41,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states.
[2021-11-13 18:35:41,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 407.
[2021-11-13 18:35:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.5172413793103448) internal successors, (616), 406 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:41,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 616 transitions.
[2021-11-13 18:35:41,273 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 616 transitions. Word has length 85
[2021-11-13 18:35:41,273 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:41,273 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 616 transitions.
[2021-11-13 18:35:41,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:41,274 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 616 transitions.
[2021-11-13 18:35:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2021-11-13 18:35:41,276 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:41,277 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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]
[2021-11-13 18:35:41,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-11-13 18:35:41,278 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:41,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:41,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1434459222, now seen corresponding path program 1 times
[2021-11-13 18:35:41,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:41,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297788667]
[2021-11-13 18:35:41,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:41,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:41,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:41,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297788667]
[2021-11-13 18:35:41,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297788667] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:41,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:41,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:41,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624883018]
[2021-11-13 18:35:41,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:41,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:41,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:41,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:41,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:41,407 INFO L87 Difference]: Start difference. First operand 407 states and 616 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:43,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:45,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:45,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:45,820 INFO L93 Difference]: Finished difference Result 848 states and 1274 transitions.
[2021-11-13 18:35:45,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:45,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85
[2021-11-13 18:35:45,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:45,824 INFO L225 Difference]: With dead ends: 848
[2021-11-13 18:35:45,824 INFO L226 Difference]: Without dead ends: 451
[2021-11-13 18:35:45,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:45,826 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 46 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4302.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.67ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4375.89ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:45,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 492 Invalid, 149 Unknown, 0 Unchecked, 3.67ms Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 2 Unknown, 0 Unchecked, 4375.89ms Time]
[2021-11-13 18:35:45,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states.
[2021-11-13 18:35:45,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 407.
[2021-11-13 18:35:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.5123152709359606) internal successors, (614), 406 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:45,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 614 transitions.
[2021-11-13 18:35:45,844 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 614 transitions. Word has length 85
[2021-11-13 18:35:45,844 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:45,845 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 614 transitions.
[2021-11-13 18:35:45,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 614 transitions.
[2021-11-13 18:35:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2021-11-13 18:35:45,847 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:45,847 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 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]
[2021-11-13 18:35:45,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-11-13 18:35:45,848 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:45,848 INFO L85 PathProgramCache]: Analyzing trace with hash 381197251, now seen corresponding path program 1 times
[2021-11-13 18:35:45,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:45,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181913880]
[2021-11-13 18:35:45,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:45,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:45,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:45,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181913880]
[2021-11-13 18:35:45,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181913880] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:45,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:45,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:45,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168709538]
[2021-11-13 18:35:45,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:45,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:45,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:45,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:45,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:45,961 INFO L87 Difference]: Start difference. First operand 407 states and 614 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:47,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:50,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:50,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:50,612 INFO L93 Difference]: Finished difference Result 928 states and 1391 transitions.
[2021-11-13 18:35:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:50,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86
[2021-11-13 18:35:50,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:50,618 INFO L225 Difference]: With dead ends: 928
[2021-11-13 18:35:50,619 INFO L226 Difference]: Without dead ends: 531
[2021-11-13 18:35:50,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:50,621 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 100 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4491.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.07ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4607.96ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:50,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 544 Invalid, 241 Unknown, 0 Unchecked, 5.07ms Time], IncrementalHoareTripleChecker [8 Valid, 231 Invalid, 2 Unknown, 0 Unchecked, 4607.96ms Time]
[2021-11-13 18:35:50,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states.
[2021-11-13 18:35:50,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 407.
[2021-11-13 18:35:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.5073891625615763) internal successors, (612), 406 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 612 transitions.
[2021-11-13 18:35:50,641 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 612 transitions. Word has length 86
[2021-11-13 18:35:50,642 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:50,642 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 612 transitions.
[2021-11-13 18:35:50,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:50,642 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 612 transitions.
[2021-11-13 18:35:50,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2021-11-13 18:35:50,644 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:50,645 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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]
[2021-11-13 18:35:50,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-11-13 18:35:50,645 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:50,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:50,646 INFO L85 PathProgramCache]: Analyzing trace with hash 681258334, now seen corresponding path program 1 times
[2021-11-13 18:35:50,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:50,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756463006]
[2021-11-13 18:35:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:50,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:50,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:50,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756463006]
[2021-11-13 18:35:50,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756463006] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:50,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:50,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:50,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286663120]
[2021-11-13 18:35:50,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:50,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:50,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:50,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:50,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:50,765 INFO L87 Difference]: Start difference. First operand 407 states and 612 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:52,781 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:54,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:55,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:55,346 INFO L93 Difference]: Finished difference Result 783 states and 1168 transitions.
[2021-11-13 18:35:55,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:55,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86
[2021-11-13 18:35:55,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:55,351 INFO L225 Difference]: With dead ends: 783
[2021-11-13 18:35:55,351 INFO L226 Difference]: Without dead ends: 531
[2021-11-13 18:35:55,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:55,353 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 96 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4432.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.76ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4539.71ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:55,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 542 Invalid, 241 Unknown, 0 Unchecked, 3.76ms Time], IncrementalHoareTripleChecker [8 Valid, 231 Invalid, 2 Unknown, 0 Unchecked, 4539.71ms Time]
[2021-11-13 18:35:55,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states.
[2021-11-13 18:35:55,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 407.
[2021-11-13 18:35:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.5024630541871922) internal successors, (610), 406 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 610 transitions.
[2021-11-13 18:35:55,374 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 610 transitions. Word has length 86
[2021-11-13 18:35:55,375 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:55,375 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 610 transitions.
[2021-11-13 18:35:55,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 610 transitions.
[2021-11-13 18:35:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2021-11-13 18:35:55,377 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:55,378 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 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]
[2021-11-13 18:35:55,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-11-13 18:35:55,378 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:55,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:55,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1464169915, now seen corresponding path program 1 times
[2021-11-13 18:35:55,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:55,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757292094]
[2021-11-13 18:35:55,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:55,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:35:55,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:55,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757292094]
[2021-11-13 18:35:55,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757292094] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:55,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:55,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:55,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110292325]
[2021-11-13 18:35:55,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:55,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:55,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:55,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:55,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:55,489 INFO L87 Difference]: Start difference. First operand 407 states and 610 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:57,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:59,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:59,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:59,933 INFO L93 Difference]: Finished difference Result 848 states and 1262 transitions.
[2021-11-13 18:35:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:35:59,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86
[2021-11-13 18:35:59,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:59,938 INFO L225 Difference]: With dead ends: 848
[2021-11-13 18:35:59,938 INFO L226 Difference]: Without dead ends: 451
[2021-11-13 18:35:59,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:59,940 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 44 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4311.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.16ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4410.07ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:59,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 490 Invalid, 149 Unknown, 0 Unchecked, 2.16ms Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 2 Unknown, 0 Unchecked, 4410.07ms Time]
[2021-11-13 18:35:59,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states.
[2021-11-13 18:35:59,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 407.
[2021-11-13 18:35:59,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.4975369458128078) internal successors, (608), 406 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 608 transitions.
[2021-11-13 18:35:59,960 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 608 transitions. Word has length 86
[2021-11-13 18:35:59,960 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:59,960 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 608 transitions.
[2021-11-13 18:35:59,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:35:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 608 transitions.
[2021-11-13 18:35:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2021-11-13 18:35:59,963 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:35:59,963 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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]
[2021-11-13 18:35:59,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-11-13 18:35:59,963 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:59,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:59,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1164108832, now seen corresponding path program 1 times
[2021-11-13 18:35:59,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:59,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354627490]
[2021-11-13 18:35:59,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:59,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:36:00,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:00,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354627490]
[2021-11-13 18:36:00,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354627490] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:00,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:00,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:36:00,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321241342]
[2021-11-13 18:36:00,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:00,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:00,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:00,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:00,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:00,089 INFO L87 Difference]: Start difference. First operand 407 states and 608 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:02,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:04,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:04,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:04,511 INFO L93 Difference]: Finished difference Result 703 states and 1041 transitions.
[2021-11-13 18:36:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:04,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86
[2021-11-13 18:36:04,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:04,516 INFO L225 Difference]: With dead ends: 703
[2021-11-13 18:36:04,516 INFO L226 Difference]: Without dead ends: 451
[2021-11-13 18:36:04,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:36:04,518 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 40 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4291.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.50ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4388.42ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:04,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 488 Invalid, 149 Unknown, 0 Unchecked, 2.50ms Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 2 Unknown, 0 Unchecked, 4388.42ms Time]
[2021-11-13 18:36:04,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states.
[2021-11-13 18:36:04,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 407.
[2021-11-13 18:36:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.4926108374384237) internal successors, (606), 406 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 606 transitions.
[2021-11-13 18:36:04,536 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 606 transitions. Word has length 86
[2021-11-13 18:36:04,536 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:04,536 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 606 transitions.
[2021-11-13 18:36:04,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 606 transitions.
[2021-11-13 18:36:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2021-11-13 18:36:04,539 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:04,539 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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]
[2021-11-13 18:36:04,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-11-13 18:36:04,539 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:04,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:04,540 INFO L85 PathProgramCache]: Analyzing trace with hash -956813465, now seen corresponding path program 1 times
[2021-11-13 18:36:04,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:04,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180154368]
[2021-11-13 18:36:04,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:04,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:36:04,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:04,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180154368]
[2021-11-13 18:36:04,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180154368] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:04,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:04,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:36:04,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691941043]
[2021-11-13 18:36:04,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:04,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:04,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:04,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:04,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:04,676 INFO L87 Difference]: Start difference. First operand 407 states and 606 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:06,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:08,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:09,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:09,215 INFO L93 Difference]: Finished difference Result 928 states and 1375 transitions.
[2021-11-13 18:36:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:09,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87
[2021-11-13 18:36:09,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:09,221 INFO L225 Difference]: With dead ends: 928
[2021-11-13 18:36:09,221 INFO L226 Difference]: Without dead ends: 531
[2021-11-13 18:36:09,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:36:09,223 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 97 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4379.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.71ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4502.65ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:09,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 540 Invalid, 241 Unknown, 0 Unchecked, 2.71ms Time], IncrementalHoareTripleChecker [8 Valid, 231 Invalid, 2 Unknown, 0 Unchecked, 4502.65ms Time]
[2021-11-13 18:36:09,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states.
[2021-11-13 18:36:09,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 407.
[2021-11-13 18:36:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.4876847290640394) internal successors, (604), 406 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 604 transitions.
[2021-11-13 18:36:09,244 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 604 transitions. Word has length 87
[2021-11-13 18:36:09,245 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:09,245 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 604 transitions.
[2021-11-13 18:36:09,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 604 transitions.
[2021-11-13 18:36:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2021-11-13 18:36:09,247 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:09,248 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:36:09,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-11-13 18:36:09,248 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:09,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:09,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2048176167, now seen corresponding path program 1 times
[2021-11-13 18:36:09,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:09,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316281245]
[2021-11-13 18:36:09,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:09,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:36:09,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:09,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316281245]
[2021-11-13 18:36:09,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316281245] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:09,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:09,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:36:09,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86075522]
[2021-11-13 18:36:09,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:09,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:09,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:09,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:09,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:09,353 INFO L87 Difference]: Start difference. First operand 407 states and 604 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:11,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:13,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:13,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:13,940 INFO L93 Difference]: Finished difference Result 777 states and 1149 transitions.
[2021-11-13 18:36:13,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:13,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87
[2021-11-13 18:36:13,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:13,945 INFO L225 Difference]: With dead ends: 777
[2021-11-13 18:36:13,945 INFO L226 Difference]: Without dead ends: 525
[2021-11-13 18:36:13,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:36:13,947 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 91 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4413.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.55ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4546.41ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:13,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 534 Invalid, 235 Unknown, 0 Unchecked, 2.55ms Time], IncrementalHoareTripleChecker [7 Valid, 226 Invalid, 2 Unknown, 0 Unchecked, 4546.41ms Time]
[2021-11-13 18:36:13,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states.
[2021-11-13 18:36:13,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 407.
[2021-11-13 18:36:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.4827586206896552) internal successors, (602), 406 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:13,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 602 transitions.
[2021-11-13 18:36:13,969 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 602 transitions. Word has length 87
[2021-11-13 18:36:13,969 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:13,969 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 602 transitions.
[2021-11-13 18:36:13,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 602 transitions.
[2021-11-13 18:36:13,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2021-11-13 18:36:13,972 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:13,972 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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]
[2021-11-13 18:36:13,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-11-13 18:36:13,973 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:13,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:13,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1966346533, now seen corresponding path program 1 times
[2021-11-13 18:36:13,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:13,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212622902]
[2021-11-13 18:36:13,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:13,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:36:14,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:14,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212622902]
[2021-11-13 18:36:14,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212622902] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:14,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:14,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:36:14,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147642162]
[2021-11-13 18:36:14,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:14,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:14,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:14,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:14,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:14,116 INFO L87 Difference]: Start difference. First operand 407 states and 602 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:16,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:18,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:18,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:18,448 INFO L93 Difference]: Finished difference Result 848 states and 1246 transitions.
[2021-11-13 18:36:18,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:18,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87
[2021-11-13 18:36:18,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:18,452 INFO L225 Difference]: With dead ends: 848
[2021-11-13 18:36:18,453 INFO L226 Difference]: Without dead ends: 451
[2021-11-13 18:36:18,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:36:18,455 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 41 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4231.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.34ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4306.67ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:18,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 486 Invalid, 149 Unknown, 0 Unchecked, 1.34ms Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 2 Unknown, 0 Unchecked, 4306.67ms Time]
[2021-11-13 18:36:18,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states.
[2021-11-13 18:36:18,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 407.
[2021-11-13 18:36:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.477832512315271) internal successors, (600), 406 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 600 transitions.
[2021-11-13 18:36:18,472 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 600 transitions. Word has length 87
[2021-11-13 18:36:18,472 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:18,472 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 600 transitions.
[2021-11-13 18:36:18,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:18,473 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 600 transitions.
[2021-11-13 18:36:18,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2021-11-13 18:36:18,474 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:18,475 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:36:18,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-11-13 18:36:18,475 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:18,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:18,476 INFO L85 PathProgramCache]: Analyzing trace with hash 676368869, now seen corresponding path program 1 times
[2021-11-13 18:36:18,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:18,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007150899]
[2021-11-13 18:36:18,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:18,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:36:18,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:18,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007150899]
[2021-11-13 18:36:18,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007150899] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:18,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:18,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:36:18,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014014091]
[2021-11-13 18:36:18,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:18,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:18,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:18,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:18,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:18,580 INFO L87 Difference]: Start difference. First operand 407 states and 600 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:20,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:22,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:22,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:22,984 INFO L93 Difference]: Finished difference Result 697 states and 1022 transitions.
[2021-11-13 18:36:22,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:22,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87
[2021-11-13 18:36:22,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:22,988 INFO L225 Difference]: With dead ends: 697
[2021-11-13 18:36:22,989 INFO L226 Difference]: Without dead ends: 445
[2021-11-13 18:36:22,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:36:22,990 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 35 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4295.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.60ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4375.42ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:22,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 480 Invalid, 143 Unknown, 0 Unchecked, 1.60ms Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 2 Unknown, 0 Unchecked, 4375.42ms Time]
[2021-11-13 18:36:22,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states.
[2021-11-13 18:36:23,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 407.
[2021-11-13 18:36:23,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.4729064039408868) internal successors, (598), 406 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:23,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 598 transitions.
[2021-11-13 18:36:23,010 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 598 transitions. Word has length 87
[2021-11-13 18:36:23,010 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:23,010 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 598 transitions.
[2021-11-13 18:36:23,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 598 transitions.
[2021-11-13 18:36:23,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2021-11-13 18:36:23,013 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:23,013 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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]
[2021-11-13 18:36:23,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-11-13 18:36:23,013 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:23,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:23,014 INFO L85 PathProgramCache]: Analyzing trace with hash 571107934, now seen corresponding path program 1 times
[2021-11-13 18:36:23,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:23,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016544150]
[2021-11-13 18:36:23,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:23,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:36:23,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:23,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016544150]
[2021-11-13 18:36:23,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016544150] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:23,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:23,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:36:23,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628981112]
[2021-11-13 18:36:23,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:23,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:23,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:23,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:23,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:23,139 INFO L87 Difference]: Start difference. First operand 407 states and 598 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:25,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:27,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:27,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:27,602 INFO L93 Difference]: Finished difference Result 904 states and 1330 transitions.
[2021-11-13 18:36:27,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:27,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88
[2021-11-13 18:36:27,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:27,608 INFO L225 Difference]: With dead ends: 904
[2021-11-13 18:36:27,608 INFO L226 Difference]: Without dead ends: 507
[2021-11-13 18:36:27,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:36:27,610 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 85 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4334.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.81ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4434.31ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:27,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 520 Invalid, 221 Unknown, 0 Unchecked, 1.81ms Time], IncrementalHoareTripleChecker [4 Valid, 215 Invalid, 2 Unknown, 0 Unchecked, 4434.31ms Time]
[2021-11-13 18:36:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states.
[2021-11-13 18:36:27,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 407.
[2021-11-13 18:36:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.4679802955665024) internal successors, (596), 406 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:27,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 596 transitions.
[2021-11-13 18:36:27,629 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 596 transitions. Word has length 88
[2021-11-13 18:36:27,629 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:27,629 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 596 transitions.
[2021-11-13 18:36:27,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 596 transitions.
[2021-11-13 18:36:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2021-11-13 18:36:27,631 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:27,632 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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]
[2021-11-13 18:36:27,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-11-13 18:36:27,632 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:27,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:27,633 INFO L85 PathProgramCache]: Analyzing trace with hash 994754656, now seen corresponding path program 1 times
[2021-11-13 18:36:27,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:27,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702759234]
[2021-11-13 18:36:27,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:27,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:36:27,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:27,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702759234]
[2021-11-13 18:36:27,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702759234] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:27,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:27,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:36:27,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606729998]
[2021-11-13 18:36:27,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:27,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:27,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:27,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:27,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:27,733 INFO L87 Difference]: Start difference. First operand 407 states and 596 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:29,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:31,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:32,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:32,103 INFO L93 Difference]: Finished difference Result 824 states and 1205 transitions.
[2021-11-13 18:36:32,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:32,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88
[2021-11-13 18:36:32,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:32,108 INFO L225 Difference]: With dead ends: 824
[2021-11-13 18:36:32,108 INFO L226 Difference]: Without dead ends: 427
[2021-11-13 18:36:32,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:36:32,110 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 29 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4260.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.53ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4341.15ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:32,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 466 Invalid, 129 Unknown, 0 Unchecked, 1.53ms Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 2 Unknown, 0 Unchecked, 4341.15ms Time]
[2021-11-13 18:36:32,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states.
[2021-11-13 18:36:32,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 407.
[2021-11-13 18:36:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.4630541871921183) internal successors, (594), 406 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:32,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 594 transitions.
[2021-11-13 18:36:32,129 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 594 transitions. Word has length 88
[2021-11-13 18:36:32,129 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:32,130 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 594 transitions.
[2021-11-13 18:36:32,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:32,130 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 594 transitions.
[2021-11-13 18:36:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2021-11-13 18:36:32,132 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:32,132 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:36:32,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-11-13 18:36:32,133 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:32,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:32,134 INFO L85 PathProgramCache]: Analyzing trace with hash -433365501, now seen corresponding path program 1 times
[2021-11-13 18:36:32,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:32,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30839569]
[2021-11-13 18:36:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:32,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:32,276 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-13 18:36:32,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:32,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30839569]
[2021-11-13 18:36:32,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30839569] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:32,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:32,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:36:32,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292850169]
[2021-11-13 18:36:32,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:32,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:32,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:32,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:32,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:32,281 INFO L87 Difference]: Start difference. First operand 407 states and 594 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:34,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:36,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:36,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:36,757 INFO L93 Difference]: Finished difference Result 904 states and 1322 transitions.
[2021-11-13 18:36:36,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:36,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89
[2021-11-13 18:36:36,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:36,762 INFO L225 Difference]: With dead ends: 904
[2021-11-13 18:36:36,762 INFO L226 Difference]: Without dead ends: 507
[2021-11-13 18:36:36,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:36:36,764 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 79 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4346.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.97ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4446.55ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:36,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 520 Invalid, 221 Unknown, 0 Unchecked, 1.97ms Time], IncrementalHoareTripleChecker [4 Valid, 215 Invalid, 2 Unknown, 0 Unchecked, 4446.55ms Time]
[2021-11-13 18:36:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states.
[2021-11-13 18:36:36,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 407.
[2021-11-13 18:36:36,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.458128078817734) internal successors, (592), 406 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:36,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 592 transitions.
[2021-11-13 18:36:36,783 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 592 transitions. Word has length 89
[2021-11-13 18:36:36,783 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:36,783 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 592 transitions.
[2021-11-13 18:36:36,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 592 transitions.
[2021-11-13 18:36:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2021-11-13 18:36:36,785 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:36,785 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:36:36,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-11-13 18:36:36,786 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:36,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:36,787 INFO L85 PathProgramCache]: Analyzing trace with hash -185219007, now seen corresponding path program 1 times
[2021-11-13 18:36:36,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:36,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723869054]
[2021-11-13 18:36:36,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:36,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2021-11-13 18:36:36,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:36,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723869054]
[2021-11-13 18:36:36,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723869054] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:36,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:36,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:36:36,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555833170]
[2021-11-13 18:36:36,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:36,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:36:36,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:36,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:36:36,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:36:36,864 INFO L87 Difference]: Start difference. First operand 407 states and 592 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:38,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:38,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:38,945 INFO L93 Difference]: Finished difference Result 805 states and 1178 transitions.
[2021-11-13 18:36:38,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:36:38,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89
[2021-11-13 18:36:38,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:38,950 INFO L225 Difference]: With dead ends: 805
[2021-11-13 18:36:38,951 INFO L226 Difference]: Without dead ends: 555
[2021-11-13 18:36:38,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:36:38,952 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 122 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2046.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2069.22ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:38,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 468 Invalid, 23 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2069.22ms Time]
[2021-11-13 18:36:38,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states.
[2021-11-13 18:36:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555.
[2021-11-13 18:36:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 554 states have (on average 1.4530685920577617) internal successors, (805), 554 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 805 transitions.
[2021-11-13 18:36:38,975 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 805 transitions. Word has length 89
[2021-11-13 18:36:38,975 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:38,975 INFO L470 AbstractCegarLoop]: Abstraction has 555 states and 805 transitions.
[2021-11-13 18:36:38,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 805 transitions.
[2021-11-13 18:36:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2021-11-13 18:36:38,978 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:38,978 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:36:38,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2021-11-13 18:36:38,979 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:38,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:38,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1027809079, now seen corresponding path program 1 times
[2021-11-13 18:36:38,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:38,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349731694]
[2021-11-13 18:36:38,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:38,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2021-11-13 18:36:39,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:36:39,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349731694]
[2021-11-13 18:36:39,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349731694] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:39,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:39,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:36:39,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974302509]
[2021-11-13 18:36:39,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:39,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:36:39,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:36:39,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:36:39,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:36:39,069 INFO L87 Difference]: Start difference. First operand 555 states and 805 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:39,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:39,125 INFO L93 Difference]: Finished difference Result 1102 states and 1605 transitions.
[2021-11-13 18:36:39,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:36:39,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91
[2021-11-13 18:36:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:39,131 INFO L225 Difference]: With dead ends: 1102
[2021-11-13 18:36:39,131 INFO L226 Difference]: Without dead ends: 704
[2021-11-13 18:36:39,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:36:39,133 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 138 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.56ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.13ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:39,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 306 Invalid, 25 Unknown, 0 Unchecked, 0.56ms Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 40.13ms Time]
[2021-11-13 18:36:39,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states.
[2021-11-13 18:36:39,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704.
[2021-11-13 18:36:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 703 states have (on average 1.4551920341394025) internal successors, (1023), 703 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1023 transitions.
[2021-11-13 18:36:39,157 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1023 transitions. Word has length 91
[2021-11-13 18:36:39,158 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:39,158 INFO L470 AbstractCegarLoop]: Abstraction has 704 states and 1023 transitions.
[2021-11-13 18:36:39,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1023 transitions.
[2021-11-13 18:36:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2021-11-13 18:36:39,161 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:39,161 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:36:39,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2021-11-13 18:36:39,161 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:39,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:39,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1254631592, now seen corresponding path program 1 times
[2021-11-13 18:36:39,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:36:39,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732259326]
[2021-11-13 18:36:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:39,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:36:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:36:39,754 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:36:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:36:40,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:36:40,633 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 18:36:40,634 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:36:40,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-11-13 18:36:40,653 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:36:40,660 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:36:40,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:36:40 BoogieIcfgContainer
[2021-11-13 18:36:40,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:36:40,893 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:36:40,893 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:36:40,894 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:36:40,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:35:06" (3/4) ...
[2021-11-13 18:36:40,898 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 18:36:40,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:36:40,900 INFO L158 Benchmark]: Toolchain (without parser) took 98999.98ms. Allocated memory was 86.0MB in the beginning and 144.7MB in the end (delta: 58.7MB). Free memory was 59.4MB in the beginning and 55.6MB in the end (delta: 3.8MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB.
[2021-11-13 18:36:40,900 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 86.0MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:36:40,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.18ms. Allocated memory is still 86.0MB. Free memory was 59.1MB in the beginning and 42.5MB in the end (delta: 16.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2021-11-13 18:36:40,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.57ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 42.4MB in the beginning and 88.1MB in the end (delta: -45.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB.
[2021-11-13 18:36:40,901 INFO L158 Benchmark]: Boogie Preprocessor took 136.47ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 81.5MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:36:40,902 INFO L158 Benchmark]: RCFGBuilder took 3673.92ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 81.5MB in the beginning and 90.9MB in the end (delta: -9.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB.
[2021-11-13 18:36:40,903 INFO L158 Benchmark]: TraceAbstraction took 94234.68ms. Allocated memory is still 144.7MB. Free memory was 89.8MB in the beginning and 55.6MB in the end (delta: 34.2MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB.
[2021-11-13 18:36:40,903 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 144.7MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:36:40,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 86.0MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 797.18ms. Allocated memory is still 86.0MB. Free memory was 59.1MB in the beginning and 42.5MB in the end (delta: 16.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 142.57ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 42.4MB in the beginning and 88.1MB in the end (delta: -45.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 136.47ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 81.5MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* RCFGBuilder took 3673.92ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 81.5MB in the beginning and 90.9MB in the end (delta: -9.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 94234.68ms. Allocated memory is still 144.7MB. Free memory was 89.8MB in the beginning and 55.6MB in the end (delta: 34.2MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB.
* Witness Printer took 5.32ms. Allocated memory is still 144.7MB. Free memory is still 55.6MB. 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: 1665]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of bitwiseAnd at line 1360.
Possible FailurePath:
[L1054] static int init = 1;
[L1055] static SSL_METHOD SSLv3_client_data ;
VAL [init=1, SSLv3_client_data={6:0}]
[L1077] SSL *s = (SSL*)malloc(sizeof(SSL)) ;
[L1081] s->s3 = malloc(sizeof(struct ssl3_state_st))
[L1082] s->ctx = malloc(sizeof(SSL_CTX))
[L1083] s->session = malloc(sizeof(SSL_SESSION))
[L1084] s->state = 12292
[L1085] s->version = __VERIFIER_nondet_int()
[L1087] s->info_callback = (void (*)()) __VERIFIER_nondet_ulong()
[L1088] EXPR s->ctx
[L1088] (s->ctx)->info_callback = (void (*)()) __VERIFIER_nondet_ulong()
[L1089] s->init_buf = (BUF_MEM *)__VERIFIER_nondet_ulong()
[L1090] s->bbio = (BIO *) __VERIFIER_nondet_ulong()
[L1091] s->wbio = (BIO *) __VERIFIER_nondet_ulong()
[L1092] EXPR s->s3
[L1092] (s->s3)->flags = __VERIFIER_nondet_long()
[L1093] EXPR s->s3
[L1093] (s->s3)->tmp.cert_req = __VERIFIER_nondet_int()
[L1094] EXPR s->s3
[L1094] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st))
[L1095] EXPR s->s3
[L1095] EXPR (s->s3)->tmp.new_cipher
[L1095] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong()
[L1096] EXPR s->s3
[L1096] (s->s3)->tmp.next_state = __VERIFIER_nondet_int()
[L1098] CALL ssl3_connect(s)
[L1104] BUF_MEM *buf ;
[L1105] unsigned long tmp ;
[L1106] unsigned long l ;
[L1107] long num1 ;
[L1108] void (*cb)() ;
[L1109] int ret ;
[L1110] int new_state ;
[L1111] int state ;
[L1112] int skip ;
[L1113] int tmp___1 = __VERIFIER_nondet_int() ;
[L1114] int tmp___2 = __VERIFIER_nondet_int() ;
[L1115] int tmp___3 = __VERIFIER_nondet_int() ;
[L1116] int tmp___4 = __VERIFIER_nondet_int() ;
[L1117] int tmp___5 = __VERIFIER_nondet_int() ;
[L1118] int tmp___6 = __VERIFIER_nondet_int() ;
[L1119] int tmp___7 = __VERIFIER_nondet_int() ;
[L1120] int tmp___8 = __VERIFIER_nondet_int() ;
[L1121] long tmp___9 = __VERIFIER_nondet_long() ;
[L1122] int blastFlag ;
[L1125] blastFlag = 0
[L1126] s->hit=__VERIFIER_nondet_int ()
[L1127] s->state = 12292
[L1128] tmp = __VERIFIER_nondet_int()
[L1129] cb = (void (*)())((void *)0)
[L1130] ret = -1
[L1131] skip = 0
[L1132] EXPR s->info_callback
VAL [={0:0}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->info_callback={0:-1}, skip=0, SSLv3_client_data={6:0}, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1132] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0)
[L1133] EXPR s->info_callback
[L1133] cb = s->info_callback
[L1141] EXPR s->in_handshake
[L1141] s->in_handshake += 1
[L1142] COND FALSE !(tmp___1 & 12288)
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1152] COND TRUE 1
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1154] EXPR s->state
[L1154] state = s->state
[L1155] EXPR s->state
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=12292, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1155] COND TRUE s->state == 12292
[L1258] s->new_session = 1
[L1259] s->state = 4096
[L1260] EXPR s->ctx
[L1260] EXPR (s->ctx)->stats.sess_connect_renegotiate
[L1260] (s->ctx)->stats.sess_connect_renegotiate += 1
[L1265] s->server = 0
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1266] COND TRUE (unsigned long )cb != (unsigned long )((void *)0)
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1271] EXPR s->version
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->version=-2, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1271] COND FALSE !((s->version & 65280) != 768)
[L1277] s->type = 4096
[L1278] EXPR s->init_buf
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->init_buf={0:-13}, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1278] COND FALSE !((unsigned long )s->init_buf == (unsigned long )((void *)0))
[L1296] COND FALSE !(! tmp___4)
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1302] COND FALSE !(! tmp___5)
[L1308] s->state = 4368
[L1309] EXPR s->ctx
[L1309] EXPR (s->ctx)->stats.sess_connect
[L1309] (s->ctx)->stats.sess_connect += 1
[L1310] s->init_num = 0
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1624] EXPR s->s3
[L1624] EXPR (s->s3)->tmp.reuse_message
VAL [={0:-1}, (s->s3)->tmp.reuse_message=4294967303, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->s3={-3:0}, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1624] COND FALSE !(! (s->s3)->tmp.reuse_message)
[L1653] skip = 0
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1152] COND TRUE 1
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1154] EXPR s->state
[L1154] state = s->state
[L1155] EXPR s->state
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1155] COND FALSE !(s->state == 12292)
[L1158] EXPR s->state
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1158] COND FALSE !(s->state == 16384)
[L1161] EXPR s->state
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1161] COND FALSE !(s->state == 4096)
[L1164] EXPR s->state
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1164] COND FALSE !(s->state == 20480)
[L1167] EXPR s->state
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1167] COND FALSE !(s->state == 4099)
[L1170] EXPR s->state
VAL [={0:-1}, blastFlag=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1170] COND TRUE s->state == 4368
[L1314] s->shutdown = 0
[L1315] ret = __VERIFIER_nondet_int()
[L1316] COND TRUE blastFlag == 0
[L1317] blastFlag = 1
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1321] COND FALSE !(ret <= 0)
[L1326] s->state = 4384
[L1327] s->init_num = 0
[L1328] EXPR s->bbio
[L1328] EXPR s->wbio
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->bbio={0:-17}, s->wbio={0:-15}, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1328] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio
[L1624] EXPR s->s3
[L1624] EXPR (s->s3)->tmp.reuse_message
VAL [={0:-1}, (s->s3)->tmp.reuse_message=4294967303, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->s3={-3:0}, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1624] COND FALSE !(! (s->s3)->tmp.reuse_message)
[L1653] skip = 0
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1152] COND TRUE 1
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1154] EXPR s->state
[L1154] state = s->state
[L1155] EXPR s->state
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1155] COND FALSE !(s->state == 12292)
[L1158] EXPR s->state
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1158] COND FALSE !(s->state == 16384)
[L1161] EXPR s->state
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1161] COND FALSE !(s->state == 4096)
[L1164] EXPR s->state
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1164] COND FALSE !(s->state == 20480)
[L1167] EXPR s->state
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1167] COND FALSE !(s->state == 4099)
[L1170] EXPR s->state
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1170] COND FALSE !(s->state == 4368)
[L1173] EXPR s->state
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1173] COND FALSE !(s->state == 4369)
[L1176] EXPR s->state
VAL [={0:-1}, blastFlag=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1176] COND TRUE s->state == 4384
[L1336] ret = __VERIFIER_nondet_int()
[L1337] COND TRUE blastFlag == 1
[L1338] blastFlag = 2
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1346] COND FALSE !(ret <= 0)
[L1351] s->hit
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->hit=0, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1351] COND FALSE !(s->hit)
[L1354] s->state = 4400
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1356] s->init_num = 0
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1624] EXPR s->s3
[L1624] EXPR (s->s3)->tmp.reuse_message
VAL [={0:-1}, (s->s3)->tmp.reuse_message=4294967303, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->s3={-3:0}, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1624] COND FALSE !(! (s->s3)->tmp.reuse_message)
[L1653] skip = 0
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1152] COND TRUE 1
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1154] EXPR s->state
[L1154] state = s->state
[L1155] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1155] COND FALSE !(s->state == 12292)
[L1158] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1158] COND FALSE !(s->state == 16384)
[L1161] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1161] COND FALSE !(s->state == 4096)
[L1164] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1164] COND FALSE !(s->state == 20480)
[L1167] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1167] COND FALSE !(s->state == 4099)
[L1170] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1170] COND FALSE !(s->state == 4368)
[L1173] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1173] COND FALSE !(s->state == 4369)
[L1176] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1176] COND FALSE !(s->state == 4384)
[L1179] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1179] COND FALSE !(s->state == 4385)
[L1182] EXPR s->state
VAL [={0:-1}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1182] COND TRUE s->state == 4400
[L1360] EXPR s->s3
[L1360] EXPR (s->s3)->tmp.new_cipher
[L1360] EXPR ((s->s3)->tmp.new_cipher)->algorithms
VAL [={0:-1}, ((s->s3)->tmp.new_cipher)->algorithms=4294967344, (s->s3)->tmp.new_cipher={-9:0}, blastFlag=2, init=1, ret=1, s={-8:0}, s={-8:0}, s->s3={-3:0}, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1360] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL)
[L1363] ret = __VERIFIER_nondet_int()
[L1364] COND TRUE blastFlag == 2
[L1365] blastFlag = 3
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1369] COND FALSE !(ret <= 0)
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1375] s->state = 4416
[L1376] s->init_num = 0
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1624] EXPR s->s3
[L1624] EXPR (s->s3)->tmp.reuse_message
VAL [={0:-1}, (s->s3)->tmp.reuse_message=4294967303, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->s3={-3:0}, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1624] COND FALSE !(! (s->s3)->tmp.reuse_message)
[L1653] skip = 0
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1152] COND TRUE 1
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1154] EXPR s->state
[L1154] state = s->state
[L1155] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1155] COND FALSE !(s->state == 12292)
[L1158] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1158] COND FALSE !(s->state == 16384)
[L1161] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1161] COND FALSE !(s->state == 4096)
[L1164] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1164] COND FALSE !(s->state == 20480)
[L1167] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1167] COND FALSE !(s->state == 4099)
[L1170] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1170] COND FALSE !(s->state == 4368)
[L1173] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1173] COND FALSE !(s->state == 4369)
[L1176] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1176] COND FALSE !(s->state == 4384)
[L1179] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1179] COND FALSE !(s->state == 4385)
[L1182] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1182] COND FALSE !(s->state == 4400)
[L1185] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1185] COND FALSE !(s->state == 4401)
[L1188] EXPR s->state
VAL [={0:-1}, blastFlag=3, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1188] COND TRUE s->state == 4416
[L1380] ret = __VERIFIER_nondet_int()
[L1381] COND TRUE blastFlag == 3
[L1382] blastFlag = 4
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1386] COND FALSE !(ret <= 0)
[L1391] s->state = 4432
[L1392] s->init_num = 0
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1393] COND FALSE !(! tmp___6)
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1624] EXPR s->s3
[L1624] EXPR (s->s3)->tmp.reuse_message
VAL [={0:-1}, (s->s3)->tmp.reuse_message=4294967303, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->s3={-3:0}, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1624] COND FALSE !(! (s->s3)->tmp.reuse_message)
[L1653] skip = 0
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1152] COND TRUE 1
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1154] EXPR s->state
[L1154] state = s->state
[L1155] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1155] COND FALSE !(s->state == 12292)
[L1158] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1158] COND FALSE !(s->state == 16384)
[L1161] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1161] COND FALSE !(s->state == 4096)
[L1164] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1164] COND FALSE !(s->state == 20480)
[L1167] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1167] COND FALSE !(s->state == 4099)
[L1170] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1170] COND FALSE !(s->state == 4368)
[L1173] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1173] COND FALSE !(s->state == 4369)
[L1176] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1176] COND FALSE !(s->state == 4384)
[L1179] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1179] COND FALSE !(s->state == 4385)
[L1182] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1182] COND FALSE !(s->state == 4400)
[L1185] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1185] COND FALSE !(s->state == 4401)
[L1188] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1188] COND FALSE !(s->state == 4416)
[L1191] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1191] COND FALSE !(s->state == 4417)
[L1194] EXPR s->state
VAL [={0:-1}, blastFlag=4, init=1, ret=21, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1194] COND TRUE s->state == 4432
[L1402] ret = __VERIFIER_nondet_int()
[L1403] COND TRUE blastFlag == 4
VAL [={0:-1}, blastFlag=4, init=1, ret=0, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
[L1665] reach_error()
VAL [={0:-1}, blastFlag=4, init=1, ret=0, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={6:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=1, tmp___7=0, tmp___8=0, tmp___9=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 93.9s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 88.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 39 mSolverCounterUnknown, 1779 SdHoareTripleChecker+Valid, 86854.73ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1779 mSDsluCounter, 11369 SdHoareTripleChecker+Invalid, 84906.09ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6314 mSDsCounter, 135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3565 IncrementalHoareTripleChecker+Invalid, 3739 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 135 mSolverCounterUnsat, 5055 mSDtfsCounter, 3565 mSolverCounterSat, 80.38ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 46 SyntacticMatches, 19 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=704occurred in iteration=23, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 23 MinimizatonAttempts, 1525 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1918 NumberOfCodeBlocks, 1918 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1783 ConstructedInterpolants, 0 QuantifiedInterpolants, 4707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 1532/1532 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 18:36:40,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/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_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/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_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/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 32bit --witnessprinter.graph.data.programhash 1c5ecbc156ef402fa8ca002c27ace1df37fef4394f3f2e7d74e739b1fb38fbd5
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:36:43,882 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:36:43,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:36:43,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:36:43,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:36:43,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:36:43,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:36:43,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:36:43,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:36:43,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:36:43,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:36:43,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:36:43,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:36:43,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:36:43,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:36:43,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:36:43,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:36:43,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:36:43,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:36:43,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:36:43,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:36:43,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:36:43,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:36:44,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:36:44,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:36:44,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:36:44,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:36:44,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:36:44,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:36:44,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:36:44,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:36:44,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:36:44,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:36:44,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:36:44,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:36:44,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:36:44,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:36:44,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:36:44,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:36:44,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:36:44,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:36:44,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2021-11-13 18:36:44,059 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:36:44,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:36:44,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:36:44,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:36:44,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:36:44,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:36:44,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:36:44,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:36:44,064 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:36:44,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:36:44,065 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:36:44,065 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:36:44,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:36:44,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:36:44,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:36:44,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:36:44,066 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-11-13 18:36:44,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-13 18:36:44,067 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:36:44,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:36:44,067 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:36:44,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:36:44,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:36:44,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:36:44,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:36:44,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:36:44,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:36:44,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:36:44,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:36:44,070 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-11-13 18:36:44,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-13 18:36:44,071 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:36:44,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:36:44,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:36:44,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:36:44,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-13 18:36:44,072 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_9f511985-c454-4988-ae54-b6a71252e33e/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5ecbc156ef402fa8ca002c27ace1df37fef4394f3f2e7d74e739b1fb38fbd5
[2021-11-13 18:36:44,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:36:44,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:36:44,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:36:44,553 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:36:44,556 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:36:44,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c
[2021-11-13 18:36:44,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data/0c0a77174/eeaaa1ec8c854153bca022763348b055/FLAG9dca52025
[2021-11-13 18:36:45,469 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:36:45,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c
[2021-11-13 18:36:45,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data/0c0a77174/eeaaa1ec8c854153bca022763348b055/FLAG9dca52025
[2021-11-13 18:36:45,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/data/0c0a77174/eeaaa1ec8c854153bca022763348b055
[2021-11-13 18:36:45,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:36:45,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:36:45,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:36:45,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:36:45,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:36:45,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:36:45" (1/1) ...
[2021-11-13 18:36:45,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355d5ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:45, skipping insertion in model container
[2021-11-13 18:36:45,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:36:45" (1/1) ...
[2021-11-13 18:36:45,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:36:45,785 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:36:46,417 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_9f511985-c454-4988-ae54-b6a71252e33e/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c[65397,65410]
[2021-11-13 18:36:46,428 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:36:46,452 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:36:46,575 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_9f511985-c454-4988-ae54-b6a71252e33e/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-1.c[65397,65410]
[2021-11-13 18:36:46,578 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:36:46,603 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:36:46,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46 WrapperNode
[2021-11-13 18:36:46,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:36:46,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:36:46,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:36:46,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:36:46,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:36:46,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:36:46,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:36:46,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:36:46,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:36:46,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:36:46,916 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:36:46,917 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:36:46,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (1/1) ...
[2021-11-13 18:36:46,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:36:46,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:36:46,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:36:46,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:36:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-13 18:36:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-13 18:36:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:36:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-13 18:36:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-13 18:36:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:36:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:36:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:36:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-13 18:36:47,315 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-13 18:36:52,146 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2021-11-13 18:36:52,147 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2021-11-13 18:36:52,158 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:36:52,159 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:36:52,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:36:52 BoogieIcfgContainer
[2021-11-13 18:36:52,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:36:52,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:36:52,164 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:36:52,168 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:36:52,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:36:45" (1/3) ...
[2021-11-13 18:36:52,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3297939c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:36:52, skipping insertion in model container
[2021-11-13 18:36:52,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:36:46" (2/3) ...
[2021-11-13 18:36:52,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3297939c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:36:52, skipping insertion in model container
[2021-11-13 18:36:52,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:36:52" (3/3) ...
[2021-11-13 18:36:52,173 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03.i.cil-1.c
[2021-11-13 18:36:52,180 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:36:52,180 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:36:52,245 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:36:52,254 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 18:36:52,259 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:36:52,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-11-13 18:36:52,294 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:52,295 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:36:52,296 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:52,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:52,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1457695037, now seen corresponding path program 1 times
[2021-11-13 18:36:52,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:36:52,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316845742]
[2021-11-13 18:36:52,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:52,321 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:36:52,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:36:52,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:36:52,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-13 18:36:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:52,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:36:52,629 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:36:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:36:52,970 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:36:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:36:53,266 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:36:53,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316845742]
[2021-11-13 18:36:53,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316845742] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:53,267 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:53,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2021-11-13 18:36:53,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129917853]
[2021-11-13 18:36:53,271 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:53,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:53,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:36:53,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:53,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:53,335 INFO L87 Difference]: Start difference. First operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:53,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:53,578 INFO L93 Difference]: Finished difference Result 485 states and 820 transitions.
[2021-11-13 18:36:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:53,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2021-11-13 18:36:53,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:53,601 INFO L225 Difference]: With dead ends: 485
[2021-11-13 18:36:53,601 INFO L226 Difference]: Without dead ends: 312
[2021-11-13 18:36:53,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 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 18:36:53,611 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 359 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.20ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 149.81ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:53,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 585 Invalid, 44 Unknown, 0 Unchecked, 10.20ms Time], IncrementalHoareTripleChecker [16 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 149.81ms Time]
[2021-11-13 18:36:53,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states.
[2021-11-13 18:36:53,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312.
[2021-11-13 18:36:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 1.5016077170418007) internal successors, (467), 311 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 467 transitions.
[2021-11-13 18:36:53,704 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 467 transitions. Word has length 24
[2021-11-13 18:36:53,705 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:53,705 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 467 transitions.
[2021-11-13 18:36:53,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 467 transitions.
[2021-11-13 18:36:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2021-11-13 18:36:53,711 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:53,711 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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]
[2021-11-13 18:36:53,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:36:53,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:36:53,925 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:53,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:53,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1854239308, now seen corresponding path program 1 times
[2021-11-13 18:36:53,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:36:53,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467550341]
[2021-11-13 18:36:53,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:53,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:36:53,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:36:53,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:36:53,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-13 18:36:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:54,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:36:54,194 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:36:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:36:54,590 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:36:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:36:54,988 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:36:54,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467550341]
[2021-11-13 18:36:54,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [467550341] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:36:54,998 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:36:54,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2021-11-13 18:36:54,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99111270]
[2021-11-13 18:36:54,999 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:36:55,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:36:55,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:36:55,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:36:55,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:36:55,003 INFO L87 Difference]: Start difference. First operand 312 states and 467 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:57,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:57,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:36:57,321 INFO L93 Difference]: Finished difference Result 716 states and 1078 transitions.
[2021-11-13 18:36:57,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:36:57,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60
[2021-11-13 18:36:57,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:36:57,328 INFO L225 Difference]: With dead ends: 716
[2021-11-13 18:36:57,329 INFO L226 Difference]: Without dead ends: 512
[2021-11-13 18:36:57,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 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 18:36:57,348 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 267 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2223.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.20ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2270.95ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:36:57,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 596 Invalid, 42 Unknown, 0 Unchecked, 6.20ms Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 2270.95ms Time]
[2021-11-13 18:36:57,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states.
[2021-11-13 18:36:57,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512.
[2021-11-13 18:36:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 511 states have (on average 1.4951076320939334) internal successors, (764), 511 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 764 transitions.
[2021-11-13 18:36:57,460 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 764 transitions. Word has length 60
[2021-11-13 18:36:57,460 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:36:57,460 INFO L470 AbstractCegarLoop]: Abstraction has 512 states and 764 transitions.
[2021-11-13 18:36:57,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:36:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 764 transitions.
[2021-11-13 18:36:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2021-11-13 18:36:57,472 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:36:57,472 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:36:57,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:36:57,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:36:57,673 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:36:57,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:36:57,674 INFO L85 PathProgramCache]: Analyzing trace with hash 922615118, now seen corresponding path program 1 times
[2021-11-13 18:36:57,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:36:57,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514344192]
[2021-11-13 18:36:57,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:36:57,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:36:57,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:36:57,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:36:57,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f511985-c454-4988-ae54-b6a71252e33e/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-13 18:36:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:36:58,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:36:58,199 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:37:00,369 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:37:00,371 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 2058 treesize of output 1842
[2021-11-13 18:37:04,703 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:37:04,704 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 2067 treesize of output 1935
[2021-11-13 18:44:19,144 WARN L227 SmtUtils]: Spent 7.24m on a formula simplification. DAG size of input: 319 DAG size of output: 233 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1)
[2021-11-13 18:44:19,149 INFO L354 Elim1Store]: treesize reduction 1854, result has 51.2 percent of original size
[2021-11-13 18:44:19,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 1863 treesize of output 2439
[2021-11-13 18:44:19,386 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 2502 treesize of output 2286
[2021-11-13 18:44:19,588 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 2286 treesize of output 2070
[2021-11-13 18:47:51,937 WARN L227 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)