./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 9ad7fb26
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a870e8a4a7dff1b238c9b19b47586f7abd44e3f0eb9969b7dad7bbd7f80e506
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-9ad7fb2
[2021-11-03 03:40:10,472 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-03 03:40:10,474 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-03 03:40:10,506 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-03 03:40:10,507 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-03 03:40:10,508 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-03 03:40:10,510 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-03 03:40:10,512 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-03 03:40:10,514 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-03 03:40:10,515 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-03 03:40:10,516 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-03 03:40:10,518 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-03 03:40:10,518 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-03 03:40:10,520 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-03 03:40:10,521 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-03 03:40:10,523 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-03 03:40:10,524 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-03 03:40:10,526 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-03 03:40:10,529 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-03 03:40:10,531 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-03 03:40:10,533 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-03 03:40:10,535 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-03 03:40:10,536 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-03 03:40:10,537 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-03 03:40:10,541 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-03 03:40:10,542 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-03 03:40:10,542 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-03 03:40:10,543 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-03 03:40:10,544 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-03 03:40:10,545 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-03 03:40:10,545 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-03 03:40:10,546 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-03 03:40:10,547 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-03 03:40:10,548 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-03 03:40:10,549 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-03 03:40:10,550 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-03 03:40:10,551 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-03 03:40:10,551 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-03 03:40:10,551 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-03 03:40:10,553 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-03 03:40:10,553 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-03 03:40:10,554 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf
[2021-11-03 03:40:10,579 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-03 03:40:10,580 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-03 03:40:10,581 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-03 03:40:10,581 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2021-11-03 03:40:10,581 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2021-11-03 03:40:10,581 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2021-11-03 03:40:10,582 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2021-11-03 03:40:10,582 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2021-11-03 03:40:10,582 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2021-11-03 03:40:10,582 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2021-11-03 03:40:10,582 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2021-11-03 03:40:10,583 INFO  L138        SettingsManager]:  * Interval Domain=false
[2021-11-03 03:40:10,583 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2021-11-03 03:40:10,583 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2021-11-03 03:40:10,583 INFO  L138        SettingsManager]:  * Simplification Technique=SIMPLIFY_QUICK
[2021-11-03 03:40:10,584 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-03 03:40:10,584 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-03 03:40:10,585 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-03 03:40:10,585 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-03 03:40:10,585 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-03 03:40:10,585 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-03 03:40:10,585 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-03 03:40:10,586 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-03 03:40:10,586 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-11-03 03:40:10,586 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-03 03:40:10,586 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-03 03:40:10,587 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-03 03:40:10,587 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-03 03:40:10,587 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-03 03:40:10,587 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-03 03:40:10,588 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-03 03:40:10,588 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-03 03:40:10,588 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-03 03:40:10,588 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-03 03:40:10,589 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2021-11-03 03:40:10,589 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-03 03:40:10,589 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-03 03:40:10,589 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-03 03:40:10,589 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-03 03:40:10,590 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
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_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/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_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH
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 -> Taipan
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 -> 0a870e8a4a7dff1b238c9b19b47586f7abd44e3f0eb9969b7dad7bbd7f80e506
[2021-11-03 03:40:10,831 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-03 03:40:10,858 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-03 03:40:10,861 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-03 03:40:10,862 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-03 03:40:10,863 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-03 03:40:10,864 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/seq-pthread/cs_stack-2.i
[2021-11-03 03:40:10,933 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/data/f55065fff/3f445696458448fc96441cbb3d5577e3/FLAGdfc48f1c0
[2021-11-03 03:40:11,489 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-03 03:40:11,490 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/sv-benchmarks/c/seq-pthread/cs_stack-2.i
[2021-11-03 03:40:11,522 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/data/f55065fff/3f445696458448fc96441cbb3d5577e3/FLAGdfc48f1c0
[2021-11-03 03:40:11,771 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/data/f55065fff/3f445696458448fc96441cbb3d5577e3
[2021-11-03 03:40:11,773 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-03 03:40:11,774 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-03 03:40:11,776 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-03 03:40:11,776 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-03 03:40:11,783 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-03 03:40:11,785 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:11" (1/1) ...
[2021-11-03 03:40:11,786 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68758313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:11, skipping insertion in model container
[2021-11-03 03:40:11,788 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:11" (1/1) ...
[2021-11-03 03:40:11,795 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-03 03:40:11,877 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-03 03:40:12,323 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_90d7c288-d80e-4387-9871-ffa6eb9db106/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569]
[2021-11-03 03:40:12,484 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-03 03:40:12,505 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-03 03:40:12,559 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_90d7c288-d80e-4387-9871-ffa6eb9db106/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569]
[2021-11-03 03:40:12,611 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-03 03:40:12,685 INFO  L208         MainTranslator]: Completed translation
[2021-11-03 03:40:12,685 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12 WrapperNode
[2021-11-03 03:40:12,686 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-03 03:40:12,687 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-03 03:40:12,687 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-03 03:40:12,687 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-03 03:40:12,694 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:12,750 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:12,922 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-03 03:40:12,923 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-03 03:40:12,923 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-03 03:40:12,923 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-03 03:40:12,957 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:12,957 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:12,979 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:12,987 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:13,097 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:13,130 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:13,141 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:13,168 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-03 03:40:13,170 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-03 03:40:13,170 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-03 03:40:13,170 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-03 03:40:13,171 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ...
[2021-11-03 03:40:13,178 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-03 03:40:13,189 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/z3
[2021-11-03 03:40:13,200 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-03 03:40:13,231 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d7c288-d80e-4387-9871-ffa6eb9db106/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-03 03:40:13,245 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-03 03:40:13,246 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-03 03:40:13,246 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-03 03:40:13,246 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-11-03 03:40:13,246 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-03 03:40:13,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-03 03:40:13,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-03 03:40:13,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-03 03:40:13,247 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-03 03:40:13,247 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-03 03:40:13,467 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,470 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,475 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,477 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,479 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,482 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,484 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,494 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,506 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,508 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,513 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,517 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,518 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,519 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,530 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,531 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,541 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,543 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,544 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,546 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,547 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,547 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,552 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,554 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,556 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,557 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,558 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,558 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,565 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,566 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,567 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,568 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,569 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,570 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,571 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,571 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,576 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,577 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,579 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,580 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,581 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:13,582 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-03 03:40:18,844 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##203: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,844 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##202: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,844 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1282: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,844 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1283: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,844 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1275: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,845 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1276: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,845 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1261: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,845 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1262: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,845 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##254: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,845 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##253: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,845 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,846 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,846 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1238: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,846 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1239: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,846 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1224: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,846 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1225: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,846 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##217: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,846 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,847 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,847 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,847 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##239: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,847 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,847 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-14: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,847 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-17: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,848 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-23: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,848 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-24: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,848 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-25: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,848 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-26: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,848 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-29: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,848 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-30: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,849 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-31: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,849 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-32: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,849 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-45: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,849 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-48: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,849 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-12: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0;
[2021-11-03 03:40:18,849 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-12: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,850 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-15: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,850 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-15: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,850 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-54: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,850 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-57: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,850 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-58: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,850 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-21: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0;
[2021-11-03 03:40:18,851 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-21: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,851 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-59: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,851 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-22: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,851 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-22: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,851 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-60: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,851 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-23: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,852 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-23: assume !(0 != ~__CS_ret~0 % 256);pop_#res := 0;
[2021-11-03 03:40:18,853 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-24: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,853 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-24: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,853 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-27: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,853 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-27: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond;
[2021-11-03 03:40:18,854 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-28: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,854 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-28: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,854 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-29: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,854 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-29: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,854 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-30: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,855 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-30: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,855 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-42: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,855 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-42: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,856 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-48: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,856 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-48: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,856 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-79: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,856 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-42: assume 0 != ~__CS_ret~0 % 256;push_#res := 0;
[2021-11-03 03:40:18,857 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-42: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,857 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-82: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,857 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-45: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0;
[2021-11-03 03:40:18,857 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-45: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,857 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-88: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,858 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-51: assume 0 != ~__CS_ret~0 % 256;push_#res := 0;
[2021-11-03 03:40:18,858 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-51: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,858 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-89: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,858 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-90: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,859 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-91: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,859 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-54: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,859 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-54: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond;
[2021-11-03 03:40:18,859 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-55: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,860 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-55: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,860 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-56: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,860 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-56: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,860 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-94: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,860 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-57: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,861 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-57: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,861 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-95: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,861 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-96: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,861 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-97: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,861 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-110: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,862 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-74: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0;
[2021-11-03 03:40:18,862 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-74: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,862 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-113: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,862 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-77: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,862 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-77: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,863 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-119: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,863 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-83: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0;
[2021-11-03 03:40:18,863 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-83: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,863 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-84: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,863 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-84: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,864 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-122: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,864 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-92: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,864 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-92: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,864 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-85: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,864 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-85: assume !(0 != ~__CS_ret~0 % 256);pop_#res := 0;
[2021-11-03 03:40:18,865 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-123: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,865 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-86: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,865 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-86: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,865 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-124: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,865 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-125: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,866 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-89: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,866 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-89: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond;
[2021-11-03 03:40:18,866 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-90: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,866 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-90: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,867 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-91: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,867 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-91: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,867 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-92: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,867 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-92: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,867 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-104: assume 0 != ~__CS_ret~0 % 256;push_#res := 0;
[2021-11-03 03:40:18,868 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-104: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,868 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-144: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,868 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-107: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0;
[2021-11-03 03:40:18,868 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-107: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,868 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-147: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,869 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-113: assume 0 != ~__CS_ret~0 % 256;push_#res := 0;
[2021-11-03 03:40:18,869 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-113: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,869 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-153: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,869 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-116: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,870 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-116: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond;
[2021-11-03 03:40:18,870 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-154: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,870 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-117: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,870 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-117: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,870 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-155: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,871 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-118: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,871 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-118: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,871 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-156: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,871 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-119: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,871 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-119: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,872 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-159: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,872 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-160: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,872 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-161: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,872 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-162: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,873 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-136: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0;
[2021-11-03 03:40:18,873 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-136: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,873 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-144: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,873 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-144: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,873 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-175: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,874 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-139: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,874 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-139: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,874 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,874 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-178: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,874 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,875 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-150: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,875 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-150: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,875 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-145: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0;
[2021-11-03 03:40:18,875 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-145: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,875 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-146: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,876 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-146: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,876 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-184: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,876 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-147: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,876 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-147: assume !(0 != ~__CS_ret~0 % 256);pop_#res := 0;
[2021-11-03 03:40:18,876 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-148: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0;
[2021-11-03 03:40:18,877 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-148: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,877 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-187: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,877 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-188: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,877 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-151: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,877 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-151: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond;
[2021-11-03 03:40:18,878 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-189: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,878 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-152: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,878 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-152: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,878 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L2-190: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647;
[2021-11-03 03:40:18,878 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-153: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,879 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-153: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,879 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-154: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,879 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-154: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,879 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-166: assume 0 != ~__CS_ret~0 % 256;push_#res := 0;
[2021-11-03 03:40:18,879 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-166: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,880 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-169: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0;
[2021-11-03 03:40:18,880 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-169: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,880 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-175: assume 0 != ~__CS_ret~0 % 256;push_#res := 0;
[2021-11-03 03:40:18,880 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-175: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,880 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-178: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,881 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-178: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond;
[2021-11-03 03:40:18,881 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-179: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,882 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-179: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,882 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-180: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,882 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-180: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,882 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-181: assume 0 != ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,882 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L796-181: assume !(0 != ~__CS_ret~0 % 256);
[2021-11-03 03:40:18,883 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-194: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,883 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-194: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,883 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-36: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,883 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-36: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,884 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-38: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,884 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-45: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,884 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-45: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,884 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-47: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,884 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1151: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,885 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1152: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,885 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-63: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,885 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-63: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,885 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-65: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,885 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-66: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,886 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-66: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,886 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-68: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,886 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-69: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,886 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-69: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,886 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-71: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,887 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-72: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,887 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-72: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,887 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-74: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,887 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-81: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,888 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-81: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,888 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-83: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,888 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-84: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,888 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-84: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,888 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-246: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,889 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-246: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,889 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-86: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,889 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-87: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,889 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-87: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,889 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-89: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,890 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-90: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,890 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-90: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,890 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-252: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,890 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-252: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,890 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-92: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,891 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-126: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,891 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-126: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,891 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-128: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,891 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-296: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,891 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L3-296: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,892 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-135: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,892 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-135: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,892 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-137: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,892 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-153: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,892 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-153: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,893 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-155: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,893 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-162: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,893 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-162: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,893 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-164: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,893 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-165: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,894 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-165: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,894 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-167: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,894 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-168: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,894 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-168: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,894 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-170: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,895 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-171: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,895 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-171: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,895 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-173: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,895 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-222: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,895 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-222: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,896 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-224: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,896 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-231: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,896 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-231: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,896 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-233: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,896 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-249: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,897 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-249: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,897 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-251: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,897 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-252: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,897 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-252: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,897 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-254: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,898 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-255: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,898 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-255: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,898 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-257: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,898 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-258: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,898 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-258: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,899 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-260: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,899 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-267: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,899 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-267: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,899 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-269: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,899 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-270: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,900 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-270: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,900 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-272: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,900 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-273: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,900 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-273: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,900 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-275: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,901 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-276: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,901 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-276: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,901 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-278: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,901 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-312: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,901 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-312: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,902 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-314: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,902 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-321: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,902 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-321: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,902 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-323: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,902 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-339: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,903 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-339: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,903 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-341: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,903 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-348: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,903 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-348: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,903 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-350: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,904 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-351: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,904 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-351: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,904 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-353: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,904 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-354: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,904 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-354: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,905 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-356: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,905 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-357: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,905 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-357: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,905 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-359: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,905 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-408: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,906 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-408: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,906 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-410: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,906 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-417: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,906 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-417: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,906 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-419: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,907 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-435: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,907 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-435: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,907 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-437: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,907 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-438: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,907 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-438: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,908 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-440: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,908 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-441: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,908 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-441: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,908 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-443: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,908 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-444: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,909 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-444: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,909 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-446: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,909 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-453: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,909 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-453: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,909 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-455: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,910 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-456: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,910 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-456: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,910 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-458: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,910 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-459: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,910 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-459: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,911 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-461: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,911 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-462: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,911 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-462: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,911 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-464: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,911 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-498: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,912 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-498: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,912 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-500: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,912 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-507: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,912 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-507: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,912 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-509: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,913 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-525: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,913 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-525: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,913 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-527: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,913 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-534: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,914 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-534: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,914 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-536: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,914 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-537: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,914 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-537: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,914 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-539: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,914 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-540: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,915 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-540: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,915 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-542: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,915 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-543: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256;
[2021-11-03 03:40:18,915 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-543: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256;
[2021-11-03 03:40:18,915 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L801-545: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35;
[2021-11-03 03:40:18,916 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,916 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##384: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,916 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,916 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##362: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,916 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,917 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,917 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##449: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,917 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##450: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,917 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,917 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,918 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,918 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,918 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##664: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,918 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##663: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,918 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##641: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,918 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##640: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,919 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,919 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,919 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##772: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,919 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##728: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,919 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##727: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,920 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##751: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,920 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##750: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,920 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##764: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,920 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##706: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,920 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##707: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,921 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##713: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,921 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##714: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,921 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##896: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,921 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##895: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,921 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,921 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,922 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1406: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,922 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1407: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,922 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L986-2: havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond;
[2021-11-03 03:40:18,922 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L986-5: havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond;
[2021-11-03 03:40:18,923 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint L986-8: havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond;
[2021-11-03 03:40:18,923 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1492: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,923 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1493: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,923 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1485: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,923 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1486: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,924 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1471: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,924 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1472: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,924 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1448: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,924 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1449: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,924 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##975: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,924 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##974: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,925 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##982: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,925 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##981: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,925 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##937: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,925 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##938: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,925 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,926 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,926 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,926 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,926 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,926 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1384: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:18,927 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1385: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,927 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,927 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume !(0 == assume_abort_if_not_~cond);
[2021-11-03 03:40:18,927 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume 0 == assume_abort_if_not_~cond;assume false;
[2021-11-03 03:40:57,072 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-03 03:40:57,072 INFO  L299             CfgBuilder]: Removed 934 assume(true) statements.
[2021-11-03 03:40:57,076 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:57 BoogieIcfgContainer
[2021-11-03 03:40:57,076 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-03 03:40:57,078 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-03 03:40:57,078 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-03 03:40:57,086 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-03 03:40:57,086 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:40:11" (1/3) ...
[2021-11-03 03:40:57,087 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fe0771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:57, skipping insertion in model container
[2021-11-03 03:40:57,087 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (2/3) ...
[2021-11-03 03:40:57,088 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fe0771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:57, skipping insertion in model container
[2021-11-03 03:40:57,088 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:57" (3/3) ...
[2021-11-03 03:40:57,089 INFO  L111   eAbstractionObserver]: Analyzing ICFG cs_stack-2.i
[2021-11-03 03:40:57,094 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-03 03:40:57,095 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-03 03:40:57,143 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-03 03:40:57,148 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=FINITE_AUTOMATA, 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
[2021-11-03 03:40:57,152 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-03 03:40:57,173 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 99 states, 97 states have (on average 1.7628865979381443) internal successors, (171), 98 states have internal predecessors, (171), 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)
[2021-11-03 03:40:57,188 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-11-03 03:40:57,188 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:40:57,189 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:40:57,189 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:40:57,194 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:40:57,195 INFO  L85        PathProgramCache]: Analyzing trace with hash 1197960685, now seen corresponding path program 1 times
[2021-11-03 03:40:57,202 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:40:57,202 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341189805]
[2021-11-03 03:40:57,202 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:40:57,203 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:40:57,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:40:57,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:40:57,734 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:40:57,734 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341189805]
[2021-11-03 03:40:57,735 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341189805] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:40:57,735 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:40:57,736 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-03 03:40:57,738 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485676536]
[2021-11-03 03:40:57,742 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-03 03:40:57,743 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:40:57,753 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-03 03:40:57,754 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-03 03:40:57,756 INFO  L87              Difference]: Start difference. First operand  has 99 states, 97 states have (on average 1.7628865979381443) internal successors, (171), 98 states have internal predecessors, (171), 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 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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)
[2021-11-03 03:41:09,386 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:41:09,386 INFO  L93              Difference]: Finished difference Result 188 states and 320 transitions.
[2021-11-03 03:41:09,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-03 03:41:09,388 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9
[2021-11-03 03:41:09,389 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:41:09,399 INFO  L225             Difference]: With dead ends: 188
[2021-11-03 03:41:09,400 INFO  L226             Difference]: Without dead ends: 175
[2021-11-03 03:41:09,402 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-03 03:41:09,419 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 175 states.
[2021-11-03 03:41:09,449 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175.
[2021-11-03 03:41:09,451 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 175 states, 174 states have (on average 1.6666666666666667) internal successors, (290), 174 states have internal predecessors, (290), 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)
[2021-11-03 03:41:09,454 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 290 transitions.
[2021-11-03 03:41:09,456 INFO  L78                 Accepts]: Start accepts. Automaton has 175 states and 290 transitions. Word has length 9
[2021-11-03 03:41:09,456 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:41:09,456 INFO  L470      AbstractCegarLoop]: Abstraction has 175 states and 290 transitions.
[2021-11-03 03:41:09,457 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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)
[2021-11-03 03:41:09,457 INFO  L276                IsEmpty]: Start isEmpty. Operand 175 states and 290 transitions.
[2021-11-03 03:41:09,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-03 03:41:09,459 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:41:09,459 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:41:09,459 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-03 03:41:09,460 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:41:09,460 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:41:09,460 INFO  L85        PathProgramCache]: Analyzing trace with hash 1976725842, now seen corresponding path program 1 times
[2021-11-03 03:41:09,461 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:41:09,461 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699332870]
[2021-11-03 03:41:09,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:41:09,461 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:41:09,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:41:09,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:41:09,771 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:41:09,771 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699332870]
[2021-11-03 03:41:09,772 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699332870] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:41:09,772 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:41:09,772 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-03 03:41:09,772 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397330184]
[2021-11-03 03:41:09,773 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-03 03:41:09,774 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:41:09,774 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-03 03:41:09,775 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-03 03:41:09,775 INFO  L87              Difference]: Start difference. First operand 175 states and 290 transitions. Second operand  has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2021-11-03 03:41:14,253 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:41:14,253 INFO  L93              Difference]: Finished difference Result 251 states and 411 transitions.
[2021-11-03 03:41:14,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-03 03:41:14,254 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 11
[2021-11-03 03:41:14,254 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:41:14,257 INFO  L225             Difference]: With dead ends: 251
[2021-11-03 03:41:14,257 INFO  L226             Difference]: Without dead ends: 220
[2021-11-03 03:41:14,258 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-03 03:41:14,259 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 220 states.
[2021-11-03 03:41:14,279 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 199.
[2021-11-03 03:41:14,280 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 199 states, 198 states have (on average 1.6919191919191918) internal successors, (335), 198 states have internal predecessors, (335), 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)
[2021-11-03 03:41:14,282 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 335 transitions.
[2021-11-03 03:41:14,283 INFO  L78                 Accepts]: Start accepts. Automaton has 199 states and 335 transitions. Word has length 11
[2021-11-03 03:41:14,283 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:41:14,283 INFO  L470      AbstractCegarLoop]: Abstraction has 199 states and 335 transitions.
[2021-11-03 03:41:14,283 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2021-11-03 03:41:14,283 INFO  L276                IsEmpty]: Start isEmpty. Operand 199 states and 335 transitions.
[2021-11-03 03:41:14,284 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-03 03:41:14,285 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:41:14,285 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:41:14,285 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-03 03:41:14,285 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:41:14,286 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:41:14,286 INFO  L85        PathProgramCache]: Analyzing trace with hash 996609828, now seen corresponding path program 1 times
[2021-11-03 03:41:14,286 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:41:14,286 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757711722]
[2021-11-03 03:41:14,287 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:41:14,287 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:41:14,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:41:14,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:41:14,431 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:41:14,432 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757711722]
[2021-11-03 03:41:14,432 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757711722] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:41:14,432 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:41:14,432 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-03 03:41:14,433 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632237848]
[2021-11-03 03:41:14,433 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-03 03:41:14,433 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:41:14,434 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-03 03:41:14,434 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-03 03:41:14,434 INFO  L87              Difference]: Start difference. First operand 199 states and 335 transitions. Second operand  has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2021-11-03 03:41:19,456 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:41:19,456 INFO  L93              Difference]: Finished difference Result 280 states and 450 transitions.
[2021-11-03 03:41:19,457 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-03 03:41:19,458 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 11
[2021-11-03 03:41:19,458 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:41:19,460 INFO  L225             Difference]: With dead ends: 280
[2021-11-03 03:41:19,460 INFO  L226             Difference]: Without dead ends: 197
[2021-11-03 03:41:19,461 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-03 03:41:19,461 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 197 states.
[2021-11-03 03:41:19,475 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 172.
[2021-11-03 03:41:19,476 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 172 states, 171 states have (on average 1.654970760233918) internal successors, (283), 171 states have internal predecessors, (283), 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)
[2021-11-03 03:41:19,477 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 283 transitions.
[2021-11-03 03:41:19,477 INFO  L78                 Accepts]: Start accepts. Automaton has 172 states and 283 transitions. Word has length 11
[2021-11-03 03:41:19,478 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:41:19,478 INFO  L470      AbstractCegarLoop]: Abstraction has 172 states and 283 transitions.
[2021-11-03 03:41:19,478 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2021-11-03 03:41:19,478 INFO  L276                IsEmpty]: Start isEmpty. Operand 172 states and 283 transitions.
[2021-11-03 03:41:19,479 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-03 03:41:19,479 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:41:19,480 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:41:19,480 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-03 03:41:19,480 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:41:19,481 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:41:19,481 INFO  L85        PathProgramCache]: Analyzing trace with hash -465539822, now seen corresponding path program 1 times
[2021-11-03 03:41:19,481 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:41:19,481 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454334997]
[2021-11-03 03:41:19,481 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:41:19,482 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:41:26,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:41:39,268 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:41:39,269 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:41:39,269 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454334997]
[2021-11-03 03:41:39,269 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454334997] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:41:39,269 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:41:39,269 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-03 03:41:39,269 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365669953]
[2021-11-03 03:41:39,270 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-03 03:41:39,270 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:41:39,271 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-03 03:41:39,271 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-11-03 03:41:39,271 INFO  L87              Difference]: Start difference. First operand 172 states and 283 transitions. Second operand  has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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)
[2021-11-03 03:42:05,398 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:42:05,398 INFO  L93              Difference]: Finished difference Result 259 states and 411 transitions.
[2021-11-03 03:42:05,399 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-03 03:42:05,399 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 11
[2021-11-03 03:42:05,400 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:42:05,401 INFO  L225             Difference]: With dead ends: 259
[2021-11-03 03:42:05,402 INFO  L226             Difference]: Without dead ends: 255
[2021-11-03 03:42:05,402 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2021-11-03 03:42:05,403 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 255 states.
[2021-11-03 03:42:05,428 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 174.
[2021-11-03 03:42:05,429 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 174 states, 173 states have (on average 1.6473988439306357) internal successors, (285), 173 states have internal predecessors, (285), 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)
[2021-11-03 03:42:05,430 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 285 transitions.
[2021-11-03 03:42:05,430 INFO  L78                 Accepts]: Start accepts. Automaton has 174 states and 285 transitions. Word has length 11
[2021-11-03 03:42:05,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:42:05,430 INFO  L470      AbstractCegarLoop]: Abstraction has 174 states and 285 transitions.
[2021-11-03 03:42:05,431 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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)
[2021-11-03 03:42:05,431 INFO  L276                IsEmpty]: Start isEmpty. Operand 174 states and 285 transitions.
[2021-11-03 03:42:05,432 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-03 03:42:05,432 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:42:05,432 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:42:05,433 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-03 03:42:05,433 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:42:05,433 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:42:05,433 INFO  L85        PathProgramCache]: Analyzing trace with hash 1080572727, now seen corresponding path program 1 times
[2021-11-03 03:42:05,434 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:42:05,434 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076242929]
[2021-11-03 03:42:05,434 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:42:05,434 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:42:06,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:42:06,395 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:42:06,395 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:42:06,396 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076242929]
[2021-11-03 03:42:06,396 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076242929] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:42:06,396 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:42:06,396 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-03 03:42:06,396 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256387609]
[2021-11-03 03:42:06,397 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-03 03:42:06,397 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:42:06,397 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-03 03:42:06,397 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-11-03 03:42:06,397 INFO  L87              Difference]: Start difference. First operand 174 states and 285 transitions. Second operand  has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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)
[2021-11-03 03:42:13,430 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:42:13,430 INFO  L93              Difference]: Finished difference Result 240 states and 380 transitions.
[2021-11-03 03:42:13,431 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-03 03:42:13,431 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 13
[2021-11-03 03:42:13,431 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:42:13,433 INFO  L225             Difference]: With dead ends: 240
[2021-11-03 03:42:13,433 INFO  L226             Difference]: Without dead ends: 235
[2021-11-03 03:42:13,433 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-11-03 03:42:13,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 235 states.
[2021-11-03 03:42:13,458 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 178.
[2021-11-03 03:42:13,459 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 178 states, 177 states have (on average 1.6384180790960452) internal successors, (290), 177 states have internal predecessors, (290), 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)
[2021-11-03 03:42:13,460 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 290 transitions.
[2021-11-03 03:42:13,460 INFO  L78                 Accepts]: Start accepts. Automaton has 178 states and 290 transitions. Word has length 13
[2021-11-03 03:42:13,460 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:42:13,460 INFO  L470      AbstractCegarLoop]: Abstraction has 178 states and 290 transitions.
[2021-11-03 03:42:13,461 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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)
[2021-11-03 03:42:13,461 INFO  L276                IsEmpty]: Start isEmpty. Operand 178 states and 290 transitions.
[2021-11-03 03:42:13,462 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-03 03:42:13,462 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:42:13,462 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:42:13,463 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-03 03:42:13,463 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:42:13,463 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:42:13,463 INFO  L85        PathProgramCache]: Analyzing trace with hash 100456713, now seen corresponding path program 1 times
[2021-11-03 03:42:13,464 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:42:13,464 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807482557]
[2021-11-03 03:42:13,464 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:42:13,464 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:42:13,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:42:14,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:42:14,191 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:42:14,191 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807482557]
[2021-11-03 03:42:14,192 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807482557] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:42:14,192 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:42:14,192 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-03 03:42:14,192 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81127477]
[2021-11-03 03:42:14,192 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-03 03:42:14,193 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:42:14,193 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-03 03:42:14,193 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-11-03 03:42:14,193 INFO  L87              Difference]: Start difference. First operand 178 states and 290 transitions. Second operand  has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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)
[2021-11-03 03:42:17,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:42:17,208 INFO  L93              Difference]: Finished difference Result 239 states and 380 transitions.
[2021-11-03 03:42:17,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-03 03:42:17,208 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 13
[2021-11-03 03:42:17,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:42:17,209 INFO  L225             Difference]: With dead ends: 239
[2021-11-03 03:42:17,209 INFO  L226             Difference]: Without dead ends: 203
[2021-11-03 03:42:17,210 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-11-03 03:42:17,210 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2021-11-03 03:42:17,233 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 174.
[2021-11-03 03:42:17,233 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 174 states, 173 states have (on average 1.6358381502890174) internal successors, (283), 173 states have internal predecessors, (283), 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)
[2021-11-03 03:42:17,234 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 283 transitions.
[2021-11-03 03:42:17,234 INFO  L78                 Accepts]: Start accepts. Automaton has 174 states and 283 transitions. Word has length 13
[2021-11-03 03:42:17,235 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:42:17,235 INFO  L470      AbstractCegarLoop]: Abstraction has 174 states and 283 transitions.
[2021-11-03 03:42:17,235 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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)
[2021-11-03 03:42:17,235 INFO  L276                IsEmpty]: Start isEmpty. Operand 174 states and 283 transitions.
[2021-11-03 03:42:17,236 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-11-03 03:42:17,236 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:42:17,236 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:42:17,236 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-03 03:42:17,237 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:42:17,237 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:42:17,237 INFO  L85        PathProgramCache]: Analyzing trace with hash -711455758, now seen corresponding path program 1 times
[2021-11-03 03:42:17,237 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:42:17,238 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809006729]
[2021-11-03 03:42:17,238 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:42:17,238 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:42:18,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:42:19,434 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:42:19,435 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:42:19,435 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809006729]
[2021-11-03 03:42:19,435 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809006729] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:42:19,435 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:42:19,435 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-03 03:42:19,436 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154172509]
[2021-11-03 03:42:19,436 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-03 03:42:19,436 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:42:19,437 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-03 03:42:19,437 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2021-11-03 03:42:19,437 INFO  L87              Difference]: Start difference. First operand 174 states and 283 transitions. Second operand  has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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)
[2021-11-03 03:42:23,556 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:42:23,557 INFO  L93              Difference]: Finished difference Result 259 states and 412 transitions.
[2021-11-03 03:42:23,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-03 03:42:23,558 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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 16
[2021-11-03 03:42:23,558 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:42:23,560 INFO  L225             Difference]: With dead ends: 259
[2021-11-03 03:42:23,560 INFO  L226             Difference]: Without dead ends: 253
[2021-11-03 03:42:23,561 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2021-11-03 03:42:23,561 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 253 states.
[2021-11-03 03:42:23,590 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 201.
[2021-11-03 03:42:23,590 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 201 states, 200 states have (on average 1.645) internal successors, (329), 200 states have internal predecessors, (329), 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)
[2021-11-03 03:42:23,592 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 329 transitions.
[2021-11-03 03:42:23,592 INFO  L78                 Accepts]: Start accepts. Automaton has 201 states and 329 transitions. Word has length 16
[2021-11-03 03:42:23,592 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:42:23,592 INFO  L470      AbstractCegarLoop]: Abstraction has 201 states and 329 transitions.
[2021-11-03 03:42:23,592 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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)
[2021-11-03 03:42:23,593 INFO  L276                IsEmpty]: Start isEmpty. Operand 201 states and 329 transitions.
[2021-11-03 03:42:23,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-11-03 03:42:23,594 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:42:23,594 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:42:23,594 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-03 03:42:23,594 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:42:23,595 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:42:23,595 INFO  L85        PathProgramCache]: Analyzing trace with hash 1577889697, now seen corresponding path program 1 times
[2021-11-03 03:42:23,595 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:42:23,595 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533408668]
[2021-11-03 03:42:23,595 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:42:23,596 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:42:30,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:42:37,451 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:42:37,452 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:42:37,452 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533408668]
[2021-11-03 03:42:37,452 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533408668] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:42:37,452 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:42:37,453 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-11-03 03:42:37,453 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819103832]
[2021-11-03 03:42:37,453 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-03 03:42:37,453 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:42:37,454 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-03 03:42:37,454 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2021-11-03 03:42:37,454 INFO  L87              Difference]: Start difference. First operand 201 states and 329 transitions. Second operand  has 10 states, 10 states have (on average 1.6) internal successors, (16), 9 states have internal predecessors, (16), 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)
[2021-11-03 03:42:52,785 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:42:52,786 INFO  L93              Difference]: Finished difference Result 344 states and 535 transitions.
[2021-11-03 03:42:52,786 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-03 03:42:52,787 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 1.6) internal successors, (16), 9 states have internal predecessors, (16), 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 16
[2021-11-03 03:42:52,787 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:42:52,789 INFO  L225             Difference]: With dead ends: 344
[2021-11-03 03:42:52,789 INFO  L226             Difference]: Without dead ends: 338
[2021-11-03 03:42:52,790 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306
[2021-11-03 03:42:52,791 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 338 states.
[2021-11-03 03:42:52,837 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 215.
[2021-11-03 03:42:52,838 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 215 states, 214 states have (on average 1.6214953271028036) internal successors, (347), 214 states have internal predecessors, (347), 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)
[2021-11-03 03:42:52,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 347 transitions.
[2021-11-03 03:42:52,839 INFO  L78                 Accepts]: Start accepts. Automaton has 215 states and 347 transitions. Word has length 16
[2021-11-03 03:42:52,840 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:42:52,840 INFO  L470      AbstractCegarLoop]: Abstraction has 215 states and 347 transitions.
[2021-11-03 03:42:52,840 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 1.6) internal successors, (16), 9 states have internal predecessors, (16), 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)
[2021-11-03 03:42:52,840 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states and 347 transitions.
[2021-11-03 03:42:52,841 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-11-03 03:42:52,841 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:42:52,841 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:42:52,841 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-11-03 03:42:52,842 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:42:52,842 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:42:52,842 INFO  L85        PathProgramCache]: Analyzing trace with hash -56690525, now seen corresponding path program 1 times
[2021-11-03 03:42:52,842 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:42:52,843 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268916259]
[2021-11-03 03:42:52,843 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:42:52,843 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:42:56,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:42:57,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:42:57,403 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:42:57,408 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268916259]
[2021-11-03 03:42:57,409 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268916259] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:42:57,410 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:42:57,410 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-03 03:42:57,410 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338314282]
[2021-11-03 03:42:57,410 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-03 03:42:57,411 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:42:57,411 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-03 03:42:57,411 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2021-11-03 03:42:57,412 INFO  L87              Difference]: Start difference. First operand 215 states and 347 transitions. Second operand  has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 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)
[2021-11-03 03:43:01,263 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:43:01,263 INFO  L93              Difference]: Finished difference Result 247 states and 388 transitions.
[2021-11-03 03:43:01,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-11-03 03:43:01,265 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 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 16
[2021-11-03 03:43:01,265 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:43:01,266 INFO  L225             Difference]: With dead ends: 247
[2021-11-03 03:43:01,267 INFO  L226             Difference]: Without dead ends: 243
[2021-11-03 03:43:01,267 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2021-11-03 03:43:01,268 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 243 states.
[2021-11-03 03:43:01,322 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 215.
[2021-11-03 03:43:01,322 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 215 states, 214 states have (on average 1.6168224299065421) internal successors, (346), 214 states have internal predecessors, (346), 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)
[2021-11-03 03:43:01,323 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 346 transitions.
[2021-11-03 03:43:01,323 INFO  L78                 Accepts]: Start accepts. Automaton has 215 states and 346 transitions. Word has length 16
[2021-11-03 03:43:01,324 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:43:01,324 INFO  L470      AbstractCegarLoop]: Abstraction has 215 states and 346 transitions.
[2021-11-03 03:43:01,324 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 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)
[2021-11-03 03:43:01,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states and 346 transitions.
[2021-11-03 03:43:01,325 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-03 03:43:01,325 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:43:01,325 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:43:01,325 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-11-03 03:43:01,326 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:43:01,326 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:43:01,326 INFO  L85        PathProgramCache]: Analyzing trace with hash 1470722369, now seen corresponding path program 1 times
[2021-11-03 03:43:01,326 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:43:01,327 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350209106]
[2021-11-03 03:43:01,327 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:43:01,327 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:43:01,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:43:01,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:43:01,414 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:43:01,415 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350209106]
[2021-11-03 03:43:01,415 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350209106] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:43:01,415 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:43:01,415 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-03 03:43:01,415 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844228429]
[2021-11-03 03:43:01,416 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-03 03:43:01,416 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:43:01,416 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-03 03:43:01,417 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-03 03:43:01,417 INFO  L87              Difference]: Start difference. First operand 215 states and 346 transitions. Second operand  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2021-11-03 03:43:01,561 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:43:01,561 INFO  L93              Difference]: Finished difference Result 407 states and 631 transitions.
[2021-11-03 03:43:01,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-03 03:43:01,562 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17
[2021-11-03 03:43:01,562 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:43:01,565 INFO  L225             Difference]: With dead ends: 407
[2021-11-03 03:43:01,565 INFO  L226             Difference]: Without dead ends: 322
[2021-11-03 03:43:01,568 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-03 03:43:01,569 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 322 states.
[2021-11-03 03:43:01,633 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 216.
[2021-11-03 03:43:01,634 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 216 states, 215 states have (on average 1.6) internal successors, (344), 215 states have internal predecessors, (344), 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)
[2021-11-03 03:43:01,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 344 transitions.
[2021-11-03 03:43:01,635 INFO  L78                 Accepts]: Start accepts. Automaton has 216 states and 344 transitions. Word has length 17
[2021-11-03 03:43:01,635 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:43:01,635 INFO  L470      AbstractCegarLoop]: Abstraction has 216 states and 344 transitions.
[2021-11-03 03:43:01,636 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2021-11-03 03:43:01,636 INFO  L276                IsEmpty]: Start isEmpty. Operand 216 states and 344 transitions.
[2021-11-03 03:43:01,637 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2021-11-03 03:43:01,637 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:43:01,637 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:43:01,637 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-11-03 03:43:01,637 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:43:01,638 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:43:01,638 INFO  L85        PathProgramCache]: Analyzing trace with hash 1307673513, now seen corresponding path program 1 times
[2021-11-03 03:43:01,638 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:43:01,638 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313635272]
[2021-11-03 03:43:01,638 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:43:01,639 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:43:01,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:43:01,700 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:43:01,701 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:43:01,701 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313635272]
[2021-11-03 03:43:01,701 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313635272] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:43:01,701 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:43:01,701 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-03 03:43:01,702 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058066729]
[2021-11-03 03:43:01,702 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-03 03:43:01,702 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:43:01,704 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-03 03:43:01,704 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-03 03:43:01,704 INFO  L87              Difference]: Start difference. First operand 216 states and 344 transitions. Second operand  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2021-11-03 03:43:03,264 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:43:03,264 INFO  L93              Difference]: Finished difference Result 306 states and 474 transitions.
[2021-11-03 03:43:03,265 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-03 03:43:03,265 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 21
[2021-11-03 03:43:03,265 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:43:03,267 INFO  L225             Difference]: With dead ends: 306
[2021-11-03 03:43:03,267 INFO  L226             Difference]: Without dead ends: 187
[2021-11-03 03:43:03,269 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-03 03:43:03,269 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2021-11-03 03:43:03,315 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160.
[2021-11-03 03:43:03,316 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 160 states, 159 states have (on average 1.5534591194968554) internal successors, (247), 159 states have internal predecessors, (247), 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)
[2021-11-03 03:43:03,317 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 247 transitions.
[2021-11-03 03:43:03,317 INFO  L78                 Accepts]: Start accepts. Automaton has 160 states and 247 transitions. Word has length 21
[2021-11-03 03:43:03,319 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:43:03,319 INFO  L470      AbstractCegarLoop]: Abstraction has 160 states and 247 transitions.
[2021-11-03 03:43:03,320 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2021-11-03 03:43:03,320 INFO  L276                IsEmpty]: Start isEmpty. Operand 160 states and 247 transitions.
[2021-11-03 03:43:03,321 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2021-11-03 03:43:03,321 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:43:03,321 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:43:03,321 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-11-03 03:43:03,322 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:43:03,322 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:43:03,322 INFO  L85        PathProgramCache]: Analyzing trace with hash -109332816, now seen corresponding path program 1 times
[2021-11-03 03:43:03,322 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:43:03,323 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648718411]
[2021-11-03 03:43:03,323 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:43:03,323 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:43:08,567 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:43:19,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:43:19,409 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:43:19,410 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648718411]
[2021-11-03 03:43:19,410 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648718411] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:43:19,410 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:43:19,410 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-11-03 03:43:19,410 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015143184]
[2021-11-03 03:43:19,411 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-11-03 03:43:19,411 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:43:19,411 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-11-03 03:43:19,412 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2021-11-03 03:43:19,412 INFO  L87              Difference]: Start difference. First operand 160 states and 247 transitions. Second operand  has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 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)
[2021-11-03 03:43:32,854 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:43:32,854 INFO  L93              Difference]: Finished difference Result 269 states and 396 transitions.
[2021-11-03 03:43:32,854 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-11-03 03:43:32,855 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 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 21
[2021-11-03 03:43:32,855 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:43:32,856 INFO  L225             Difference]: With dead ends: 269
[2021-11-03 03:43:32,856 INFO  L226             Difference]: Without dead ends: 263
[2021-11-03 03:43:32,856 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462
[2021-11-03 03:43:32,857 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 263 states.
[2021-11-03 03:43:32,901 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 161.
[2021-11-03 03:43:32,901 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 161 states, 160 states have (on average 1.55) internal successors, (248), 160 states have internal predecessors, (248), 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)
[2021-11-03 03:43:32,902 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 248 transitions.
[2021-11-03 03:43:32,902 INFO  L78                 Accepts]: Start accepts. Automaton has 161 states and 248 transitions. Word has length 21
[2021-11-03 03:43:32,902 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:43:32,902 INFO  L470      AbstractCegarLoop]: Abstraction has 161 states and 248 transitions.
[2021-11-03 03:43:32,903 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 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)
[2021-11-03 03:43:32,903 INFO  L276                IsEmpty]: Start isEmpty. Operand 161 states and 248 transitions.
[2021-11-03 03:43:32,903 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-11-03 03:43:32,904 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:43:32,904 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:43:32,904 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-11-03 03:43:32,904 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:43:32,905 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:43:32,905 INFO  L85        PathProgramCache]: Analyzing trace with hash 464045453, now seen corresponding path program 1 times
[2021-11-03 03:43:32,905 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:43:32,905 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312086359]
[2021-11-03 03:43:32,905 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:43:32,905 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:43:33,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:43:33,379 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:43:33,379 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:43:33,380 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312086359]
[2021-11-03 03:43:33,380 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312086359] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:43:33,380 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:43:33,380 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-03 03:43:33,380 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495276651]
[2021-11-03 03:43:33,380 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-03 03:43:33,381 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:43:33,381 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-03 03:43:33,381 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-03 03:43:33,381 INFO  L87              Difference]: Start difference. First operand 161 states and 248 transitions. Second operand  has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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)
[2021-11-03 03:43:38,616 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:43:38,616 INFO  L93              Difference]: Finished difference Result 187 states and 283 transitions.
[2021-11-03 03:43:38,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-03 03:43:38,616 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 22
[2021-11-03 03:43:38,617 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:43:38,618 INFO  L225             Difference]: With dead ends: 187
[2021-11-03 03:43:38,618 INFO  L226             Difference]: Without dead ends: 155
[2021-11-03 03:43:38,618 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2021-11-03 03:43:38,619 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2021-11-03 03:43:38,676 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155.
[2021-11-03 03:43:38,677 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 155 states, 154 states have (on average 1.5129870129870129) internal successors, (233), 154 states have internal predecessors, (233), 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)
[2021-11-03 03:43:38,677 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 233 transitions.
[2021-11-03 03:43:38,678 INFO  L78                 Accepts]: Start accepts. Automaton has 155 states and 233 transitions. Word has length 22
[2021-11-03 03:43:38,678 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:43:38,678 INFO  L470      AbstractCegarLoop]: Abstraction has 155 states and 233 transitions.
[2021-11-03 03:43:38,678 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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)
[2021-11-03 03:43:38,678 INFO  L276                IsEmpty]: Start isEmpty. Operand 155 states and 233 transitions.
[2021-11-03 03:43:38,679 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-11-03 03:43:38,679 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:43:38,679 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:43:38,679 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-11-03 03:43:38,680 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:43:38,680 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:43:38,680 INFO  L85        PathProgramCache]: Analyzing trace with hash -1573968744, now seen corresponding path program 1 times
[2021-11-03 03:43:38,680 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:43:38,681 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958490708]
[2021-11-03 03:43:38,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:43:38,681 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:43:39,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:43:39,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:43:39,253 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:43:39,253 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958490708]
[2021-11-03 03:43:39,254 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958490708] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:43:39,254 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:43:39,254 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-03 03:43:39,254 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110017931]
[2021-11-03 03:43:39,254 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-03 03:43:39,255 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:43:39,255 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-03 03:43:39,255 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-03 03:43:39,255 INFO  L87              Difference]: Start difference. First operand 155 states and 233 transitions. Second operand  has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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)
[2021-11-03 03:43:43,848 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:43:43,848 INFO  L93              Difference]: Finished difference Result 172 states and 259 transitions.
[2021-11-03 03:43:43,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-03 03:43:43,850 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22
[2021-11-03 03:43:43,850 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:43:43,851 INFO  L225             Difference]: With dead ends: 172
[2021-11-03 03:43:43,851 INFO  L226             Difference]: Without dead ends: 125
[2021-11-03 03:43:43,851 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-03 03:43:43,851 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2021-11-03 03:43:43,894 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125.
[2021-11-03 03:43:43,895 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 125 states, 124 states have (on average 1.5403225806451613) internal successors, (191), 124 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-03 03:43:43,896 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 191 transitions.
[2021-11-03 03:43:43,896 INFO  L78                 Accepts]: Start accepts. Automaton has 125 states and 191 transitions. Word has length 22
[2021-11-03 03:43:43,897 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:43:43,897 INFO  L470      AbstractCegarLoop]: Abstraction has 125 states and 191 transitions.
[2021-11-03 03:43:43,897 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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)
[2021-11-03 03:43:43,897 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 191 transitions.
[2021-11-03 03:43:43,899 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2021-11-03 03:43:43,899 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:43:43,899 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:43:43,899 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-11-03 03:43:43,900 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:43:43,900 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:43:43,900 INFO  L85        PathProgramCache]: Analyzing trace with hash 685318099, now seen corresponding path program 1 times
[2021-11-03 03:43:43,900 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:43:43,900 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584079675]
[2021-11-03 03:43:43,901 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:43:43,901 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:43:47,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-03 03:43:48,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-03 03:43:48,225 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-11-03 03:43:48,225 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584079675]
[2021-11-03 03:43:48,225 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584079675] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-03 03:43:48,225 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-03 03:43:48,226 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-03 03:43:48,226 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003490400]
[2021-11-03 03:43:48,226 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-03 03:43:48,226 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-11-03 03:43:48,226 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-03 03:43:48,227 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2021-11-03 03:43:48,227 INFO  L87              Difference]: Start difference. First operand 125 states and 191 transitions. Second operand  has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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)
[2021-11-03 03:43:50,432 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-03 03:43:50,432 INFO  L93              Difference]: Finished difference Result 220 states and 327 transitions.
[2021-11-03 03:43:50,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-11-03 03:43:50,433 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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 23
[2021-11-03 03:43:50,433 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-03 03:43:50,434 INFO  L225             Difference]: With dead ends: 220
[2021-11-03 03:43:50,434 INFO  L226             Difference]: Without dead ends: 190
[2021-11-03 03:43:50,435 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2021-11-03 03:43:50,435 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2021-11-03 03:43:50,464 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 113.
[2021-11-03 03:43:50,464 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 112 states have (on average 1.5714285714285714) internal successors, (176), 112 states have internal predecessors, (176), 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)
[2021-11-03 03:43:50,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 176 transitions.
[2021-11-03 03:43:50,465 INFO  L78                 Accepts]: Start accepts. Automaton has 113 states and 176 transitions. Word has length 23
[2021-11-03 03:43:50,465 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-03 03:43:50,466 INFO  L470      AbstractCegarLoop]: Abstraction has 113 states and 176 transitions.
[2021-11-03 03:43:50,466 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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)
[2021-11-03 03:43:50,466 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 176 transitions.
[2021-11-03 03:43:50,467 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2021-11-03 03:43:50,467 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-03 03:43:50,467 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-03 03:43:50,467 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-11-03 03:43:50,467 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-03 03:43:50,468 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-03 03:43:50,468 INFO  L85        PathProgramCache]: Analyzing trace with hash -2093623135, now seen corresponding path program 1 times
[2021-11-03 03:43:50,468 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-11-03 03:43:50,468 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982188335]
[2021-11-03 03:43:50,468 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-03 03:43:50,468 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-03 03:43:54,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat