./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc863406f6436892e411d421aa2656d04e66128b
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:26:55,717 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:26:55,719 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:26:55,753 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:26:55,754 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:26:55,756 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:26:55,758 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:26:55,760 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:26:55,762 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:26:55,764 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:26:55,765 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:26:55,766 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:26:55,767 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:26:55,768 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:26:55,770 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:26:55,775 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:26:55,778 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:26:55,783 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:26:55,785 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:26:55,789 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:26:55,795 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:26:55,807 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:26:55,809 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:26:55,810 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:26:55,815 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:26:55,817 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:26:55,817 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:26:55,819 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:26:55,820 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:26:55,821 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:26:55,822 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:26:55,823 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:26:55,826 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:26:55,827 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:26:55,829 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:26:55,829 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:26:55,830 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:26:55,830 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:26:55,831 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:26:55,832 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:26:55,833 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:26:55,836 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:26:55,872 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:26:55,872 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:26:55,874 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:26:55,874 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:26:55,874 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:26:55,875 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:26:55,875 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-11 00:26:55,875 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:26:55,875 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-11 00:26:55,876 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:26:55,876 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:26:55,876 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:26:55,876 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:26:55,876 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-11 00:26:55,877 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:26:55,877 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:26:55,877 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:26:55,877 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:26:55,878 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:26:55,878 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:26:55,878 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:26:55,878 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:26:55,879 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:26:55,879 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:26:55,879 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:26:55,879 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:26:55,879 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:26:55,880 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:26:55,880 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/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_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc863406f6436892e411d421aa2656d04e66128b
[2021-10-11 00:26:56,159 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:26:56,180 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:26:56,183 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:26:56,184 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:26:56,185 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:26:56,186 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c
[2021-10-11 00:26:56,262 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data/dd4aa4207/45b59efe8afd4c3f9fc10cceb88f8749/FLAG1d6fff5f4
[2021-10-11 00:26:56,916 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:26:56,917 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/sv-benchmarks/c/eca-rers2012/Problem10_label18.c
[2021-10-11 00:26:56,930 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data/dd4aa4207/45b59efe8afd4c3f9fc10cceb88f8749/FLAG1d6fff5f4
[2021-10-11 00:26:57,121 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data/dd4aa4207/45b59efe8afd4c3f9fc10cceb88f8749
[2021-10-11 00:26:57,124 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:26:57,125 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:26:57,141 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:26:57,141 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:26:57,145 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:26:57,146 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:57,148 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bcd4e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57, skipping insertion in model container
[2021-10-11 00:26:57,148 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:57,155 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:26:57,198 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:26:57,462 WARN  L226   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_e49e5851-fbb3-4600-a90f-d0974873cba8/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681]
[2021-10-11 00:26:57,623 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:26:57,649 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:26:57,687 WARN  L226   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_e49e5851-fbb3-4600-a90f-d0974873cba8/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681]
[2021-10-11 00:26:57,791 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:26:57,809 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:26:57,811 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57 WrapperNode
[2021-10-11 00:26:57,811 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:26:57,812 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:26:57,813 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:26:57,815 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:26:57,824 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:57,852 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:57,921 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:26:57,929 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:26:57,929 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:26:57,929 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:26:57,939 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:57,939 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:57,946 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:57,946 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:57,989 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:58,010 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:58,038 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
[2021-10-11 00:26:58,057 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:26:58,058 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:26:58,058 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:26:58,059 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:26:58,060 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:26:58,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:26:58,158 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:26:58,159 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:26:58,159 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:26:59,653 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:26:59,655 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-11 00:26:59,658 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:59 BoogieIcfgContainer
[2021-10-11 00:26:59,658 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:26:59,661 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:26:59,661 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:26:59,665 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:26:59,665 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:26:57" (1/3) ...
[2021-10-11 00:26:59,667 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285b1b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:59, skipping insertion in model container
[2021-10-11 00:26:59,667 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (2/3) ...
[2021-10-11 00:26:59,668 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285b1b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:59, skipping insertion in model container
[2021-10-11 00:26:59,668 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:59" (3/3) ...
[2021-10-11 00:26:59,670 INFO  L111   eAbstractionObserver]: Analyzing ICFG Problem10_label18.c
[2021-10-11 00:26:59,687 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:26:59,691 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-10-11 00:26:59,714 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-11 00:26:59,752 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:26:59,752 INFO  L378      AbstractCegarLoop]: Hoare is true
[2021-10-11 00:26:59,752 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:26:59,752 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:26:59,752 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:26:59,753 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-10-11 00:26:59,753 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:26:59,753 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:26:59,772 INFO  L276                IsEmpty]: Start isEmpty. Operand 206 states.
[2021-10-11 00:26:59,780 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2021-10-11 00:26:59,780 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:26:59,781 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:26:59,782 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:26:59,787 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:26:59,787 INFO  L82        PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times
[2021-10-11 00:26:59,795 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:26:59,796 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115358640]
[2021-10-11 00:26:59,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:26:59,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:00,078 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:00,079 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115358640]
[2021-10-11 00:27:00,080 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:00,080 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:27:00,081 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24113365]
[2021-10-11 00:27:00,087 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:00,088 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:00,104 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:00,105 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:00,107 INFO  L87              Difference]: Start difference. First operand 206 states. Second operand 3 states.
[2021-10-11 00:27:01,160 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:01,160 INFO  L93              Difference]: Finished difference Result 552 states and 966 transitions.
[2021-10-11 00:27:01,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:01,162 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2021-10-11 00:27:01,162 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:01,186 INFO  L225             Difference]: With dead ends: 552
[2021-10-11 00:27:01,187 INFO  L226             Difference]: Without dead ends: 282
[2021-10-11 00:27:01,191 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:01,209 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2021-10-11 00:27:01,241 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282.
[2021-10-11 00:27:01,243 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 282 states.
[2021-10-11 00:27:01,244 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions.
[2021-10-11 00:27:01,245 INFO  L78                 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 58
[2021-10-11 00:27:01,246 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:01,246 INFO  L481      AbstractCegarLoop]: Abstraction has 282 states and 377 transitions.
[2021-10-11 00:27:01,246 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:01,247 INFO  L276                IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions.
[2021-10-11 00:27:01,252 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2021-10-11 00:27:01,252 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:01,252 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:01,253 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:27:01,253 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:01,253 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:01,254 INFO  L82        PathProgramCache]: Analyzing trace with hash 1112125382, now seen corresponding path program 1 times
[2021-10-11 00:27:01,254 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:01,254 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095550822]
[2021-10-11 00:27:01,254 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:01,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:01,526 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:01,526 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095550822]
[2021-10-11 00:27:01,527 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:01,527 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:27:01,527 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808578743]
[2021-10-11 00:27:01,528 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:01,529 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:01,529 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:01,530 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:01,530 INFO  L87              Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states.
[2021-10-11 00:27:02,273 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:02,274 INFO  L93              Difference]: Finished difference Result 701 states and 967 transitions.
[2021-10-11 00:27:02,274 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:02,275 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 124
[2021-10-11 00:27:02,277 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:02,287 INFO  L225             Difference]: With dead ends: 701
[2021-10-11 00:27:02,287 INFO  L226             Difference]: Without dead ends: 421
[2021-10-11 00:27:02,293 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:02,295 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2021-10-11 00:27:02,343 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421.
[2021-10-11 00:27:02,349 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 421 states.
[2021-10-11 00:27:02,351 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions.
[2021-10-11 00:27:02,351 INFO  L78                 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 124
[2021-10-11 00:27:02,352 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:02,356 INFO  L481      AbstractCegarLoop]: Abstraction has 421 states and 526 transitions.
[2021-10-11 00:27:02,356 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:02,356 INFO  L276                IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions.
[2021-10-11 00:27:02,359 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 132
[2021-10-11 00:27:02,363 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:02,364 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:02,365 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:27:02,365 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:02,366 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:02,367 INFO  L82        PathProgramCache]: Analyzing trace with hash -625542055, now seen corresponding path program 1 times
[2021-10-11 00:27:02,368 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:02,368 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874132665]
[2021-10-11 00:27:02,368 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:02,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:02,578 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:02,579 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874132665]
[2021-10-11 00:27:02,579 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:02,579 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:27:02,580 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296615345]
[2021-10-11 00:27:02,581 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:02,582 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:02,586 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:02,587 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:02,590 INFO  L87              Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states.
[2021-10-11 00:27:03,359 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:03,360 INFO  L93              Difference]: Finished difference Result 979 states and 1209 transitions.
[2021-10-11 00:27:03,361 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:03,361 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 131
[2021-10-11 00:27:03,363 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:03,369 INFO  L225             Difference]: With dead ends: 979
[2021-10-11 00:27:03,369 INFO  L226             Difference]: Without dead ends: 560
[2021-10-11 00:27:03,371 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:03,373 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 560 states.
[2021-10-11 00:27:03,408 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560.
[2021-10-11 00:27:03,408 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 560 states.
[2021-10-11 00:27:03,415 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions.
[2021-10-11 00:27:03,416 INFO  L78                 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 131
[2021-10-11 00:27:03,416 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:03,416 INFO  L481      AbstractCegarLoop]: Abstraction has 560 states and 675 transitions.
[2021-10-11 00:27:03,416 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:03,417 INFO  L276                IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions.
[2021-10-11 00:27:03,423 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2021-10-11 00:27:03,425 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:03,425 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:03,429 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:27:03,429 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:03,429 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:03,430 INFO  L82        PathProgramCache]: Analyzing trace with hash -1951151340, now seen corresponding path program 1 times
[2021-10-11 00:27:03,430 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:03,430 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289852957]
[2021-10-11 00:27:03,430 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:03,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:03,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:03,768 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289852957]
[2021-10-11 00:27:03,768 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:03,769 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-10-11 00:27:03,769 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062734239]
[2021-10-11 00:27:03,769 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-10-11 00:27:03,770 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:03,770 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-11 00:27:03,771 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:27:03,771 INFO  L87              Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 7 states.
[2021-10-11 00:27:04,299 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:04,299 INFO  L93              Difference]: Finished difference Result 1034 states and 1254 transitions.
[2021-10-11 00:27:04,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-11 00:27:04,300 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 133
[2021-10-11 00:27:04,300 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:04,304 INFO  L225             Difference]: With dead ends: 1034
[2021-10-11 00:27:04,304 INFO  L226             Difference]: Without dead ends: 560
[2021-10-11 00:27:04,305 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:27:04,306 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 560 states.
[2021-10-11 00:27:04,320 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560.
[2021-10-11 00:27:04,321 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 560 states.
[2021-10-11 00:27:04,323 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 672 transitions.
[2021-10-11 00:27:04,323 INFO  L78                 Accepts]: Start accepts. Automaton has 560 states and 672 transitions. Word has length 133
[2021-10-11 00:27:04,324 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:04,324 INFO  L481      AbstractCegarLoop]: Abstraction has 560 states and 672 transitions.
[2021-10-11 00:27:04,324 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2021-10-11 00:27:04,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 560 states and 672 transitions.
[2021-10-11 00:27:04,326 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2021-10-11 00:27:04,326 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:04,327 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:04,327 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:27:04,327 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:04,328 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:04,328 INFO  L82        PathProgramCache]: Analyzing trace with hash 360403180, now seen corresponding path program 1 times
[2021-10-11 00:27:04,328 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:04,328 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572909707]
[2021-10-11 00:27:04,329 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:04,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:04,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:04,429 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572909707]
[2021-10-11 00:27:04,429 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:04,430 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:27:04,430 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499958536]
[2021-10-11 00:27:04,430 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:04,431 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:04,431 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:04,432 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:04,432 INFO  L87              Difference]: Start difference. First operand 560 states and 672 transitions. Second operand 3 states.
[2021-10-11 00:27:05,031 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:05,031 INFO  L93              Difference]: Finished difference Result 1257 states and 1566 transitions.
[2021-10-11 00:27:05,031 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:05,031 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 149
[2021-10-11 00:27:05,031 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:05,036 INFO  L225             Difference]: With dead ends: 1257
[2021-10-11 00:27:05,036 INFO  L226             Difference]: Without dead ends: 838
[2021-10-11 00:27:05,037 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:05,038 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 838 states.
[2021-10-11 00:27:05,056 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838.
[2021-10-11 00:27:05,056 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 838 states.
[2021-10-11 00:27:05,060 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1004 transitions.
[2021-10-11 00:27:05,060 INFO  L78                 Accepts]: Start accepts. Automaton has 838 states and 1004 transitions. Word has length 149
[2021-10-11 00:27:05,060 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:05,060 INFO  L481      AbstractCegarLoop]: Abstraction has 838 states and 1004 transitions.
[2021-10-11 00:27:05,060 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:05,060 INFO  L276                IsEmpty]: Start isEmpty. Operand 838 states and 1004 transitions.
[2021-10-11 00:27:05,063 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2021-10-11 00:27:05,063 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:05,063 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:05,063 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-11 00:27:05,064 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:05,064 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:05,064 INFO  L82        PathProgramCache]: Analyzing trace with hash -748855238, now seen corresponding path program 1 times
[2021-10-11 00:27:05,064 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:05,065 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443195614]
[2021-10-11 00:27:05,065 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:05,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:05,173 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:05,173 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443195614]
[2021-10-11 00:27:05,174 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:05,174 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:27:05,174 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243601420]
[2021-10-11 00:27:05,174 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:05,175 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:05,175 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:05,175 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:05,175 INFO  L87              Difference]: Start difference. First operand 838 states and 1004 transitions. Second operand 3 states.
[2021-10-11 00:27:05,906 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:05,907 INFO  L93              Difference]: Finished difference Result 1674 states and 2052 transitions.
[2021-10-11 00:27:05,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:05,907 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 169
[2021-10-11 00:27:05,908 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:05,913 INFO  L225             Difference]: With dead ends: 1674
[2021-10-11 00:27:05,914 INFO  L226             Difference]: Without dead ends: 977
[2021-10-11 00:27:05,915 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:05,917 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 977 states.
[2021-10-11 00:27:05,934 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977.
[2021-10-11 00:27:05,935 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 977 states.
[2021-10-11 00:27:05,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions.
[2021-10-11 00:27:05,939 INFO  L78                 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 169
[2021-10-11 00:27:05,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:05,939 INFO  L481      AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions.
[2021-10-11 00:27:05,940 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:05,940 INFO  L276                IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions.
[2021-10-11 00:27:05,944 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 243
[2021-10-11 00:27:05,944 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:05,944 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:05,945 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:27:05,945 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:05,945 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:05,945 INFO  L82        PathProgramCache]: Analyzing trace with hash -967532423, now seen corresponding path program 1 times
[2021-10-11 00:27:05,946 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:05,946 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198939331]
[2021-10-11 00:27:05,946 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:05,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:06,129 INFO  L134       CoverageAnalysis]: Checked inductivity of 183 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2021-10-11 00:27:06,130 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198939331]
[2021-10-11 00:27:06,130 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:06,130 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:27:06,130 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624638377]
[2021-10-11 00:27:06,131 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:06,131 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:06,131 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:06,132 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:06,132 INFO  L87              Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand 3 states.
[2021-10-11 00:27:06,834 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:06,834 INFO  L93              Difference]: Finished difference Result 1952 states and 2280 transitions.
[2021-10-11 00:27:06,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:06,835 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 242
[2021-10-11 00:27:06,836 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:06,843 INFO  L225             Difference]: With dead ends: 1952
[2021-10-11 00:27:06,843 INFO  L226             Difference]: Without dead ends: 1116
[2021-10-11 00:27:06,845 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:06,847 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1116 states.
[2021-10-11 00:27:06,871 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116.
[2021-10-11 00:27:06,871 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1116 states.
[2021-10-11 00:27:06,876 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1272 transitions.
[2021-10-11 00:27:06,876 INFO  L78                 Accepts]: Start accepts. Automaton has 1116 states and 1272 transitions. Word has length 242
[2021-10-11 00:27:06,877 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:06,877 INFO  L481      AbstractCegarLoop]: Abstraction has 1116 states and 1272 transitions.
[2021-10-11 00:27:06,877 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:06,877 INFO  L276                IsEmpty]: Start isEmpty. Operand 1116 states and 1272 transitions.
[2021-10-11 00:27:06,882 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 253
[2021-10-11 00:27:06,882 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:06,883 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:06,883 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-11 00:27:06,883 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:06,883 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:06,884 INFO  L82        PathProgramCache]: Analyzing trace with hash 344812064, now seen corresponding path program 1 times
[2021-10-11 00:27:06,884 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:06,885 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413819698]
[2021-10-11 00:27:06,885 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:06,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:07,251 INFO  L134       CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked.
[2021-10-11 00:27:07,251 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413819698]
[2021-10-11 00:27:07,252 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457749345]
[2021-10-11 00:27:07,252 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:27:07,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:07,405 INFO  L263         TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-11 00:27:07,432 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:27:07,962 INFO  L134       CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked.
[2021-10-11 00:27:07,962 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-11 00:27:07,963 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2021-10-11 00:27:07,963 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311667740]
[2021-10-11 00:27:07,964 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:07,964 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:07,964 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:07,965 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:27:07,965 INFO  L87              Difference]: Start difference. First operand 1116 states and 1272 transitions. Second operand 3 states.
[2021-10-11 00:27:08,718 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:08,718 INFO  L93              Difference]: Finished difference Result 1813 states and 2067 transitions.
[2021-10-11 00:27:08,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:08,719 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 252
[2021-10-11 00:27:08,720 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:08,730 INFO  L225             Difference]: With dead ends: 1813
[2021-10-11 00:27:08,731 INFO  L226             Difference]: Without dead ends: 1811
[2021-10-11 00:27:08,732 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:27:08,734 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1811 states.
[2021-10-11 00:27:08,763 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255.
[2021-10-11 00:27:08,764 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1255 states.
[2021-10-11 00:27:08,767 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions.
[2021-10-11 00:27:08,768 INFO  L78                 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 252
[2021-10-11 00:27:08,768 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:08,768 INFO  L481      AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions.
[2021-10-11 00:27:08,769 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:08,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions.
[2021-10-11 00:27:08,775 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 307
[2021-10-11 00:27:08,775 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:08,776 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:09,000 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2021-10-11 00:27:09,001 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:09,001 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:09,001 INFO  L82        PathProgramCache]: Analyzing trace with hash 107165657, now seen corresponding path program 1 times
[2021-10-11 00:27:09,001 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:09,002 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845943816]
[2021-10-11 00:27:09,002 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:09,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:09,582 INFO  L134       CoverageAnalysis]: Checked inductivity of 221 backedges. 55 proven. 56 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2021-10-11 00:27:09,582 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845943816]
[2021-10-11 00:27:09,582 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173287580]
[2021-10-11 00:27:09,583 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:27:09,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:09,714 INFO  L263         TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-11 00:27:09,733 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:27:10,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 221 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2021-10-11 00:27:10,097 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-11 00:27:10,097 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9
[2021-10-11 00:27:10,098 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124667361]
[2021-10-11 00:27:10,098 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:10,099 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:10,099 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:10,100 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2021-10-11 00:27:10,100 INFO  L87              Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states.
[2021-10-11 00:27:10,804 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:10,804 INFO  L93              Difference]: Finished difference Result 1952 states and 2255 transitions.
[2021-10-11 00:27:10,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:10,805 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 306
[2021-10-11 00:27:10,806 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:10,818 INFO  L225             Difference]: With dead ends: 1952
[2021-10-11 00:27:10,818 INFO  L226             Difference]: Without dead ends: 1950
[2021-10-11 00:27:10,819 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2021-10-11 00:27:10,822 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1950 states.
[2021-10-11 00:27:10,855 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1255.
[2021-10-11 00:27:10,855 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1255 states.
[2021-10-11 00:27:10,858 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions.
[2021-10-11 00:27:10,859 INFO  L78                 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 306
[2021-10-11 00:27:10,860 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:10,860 INFO  L481      AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions.
[2021-10-11 00:27:10,860 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:10,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions.
[2021-10-11 00:27:10,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 359
[2021-10-11 00:27:10,868 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:10,869 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:11,097 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:27:11,097 INFO  L429      AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:11,097 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:11,097 INFO  L82        PathProgramCache]: Analyzing trace with hash -2054357862, now seen corresponding path program 1 times
[2021-10-11 00:27:11,098 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:11,098 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310398315]
[2021-10-11 00:27:11,098 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:11,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:11,728 INFO  L134       CoverageAnalysis]: Checked inductivity of 412 backedges. 367 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:27:11,728 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310398315]
[2021-10-11 00:27:11,729 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428774203]
[2021-10-11 00:27:11,729 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:27:11,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:11,909 INFO  L263         TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-11 00:27:11,914 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:27:12,340 INFO  L134       CoverageAnalysis]: Checked inductivity of 412 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2021-10-11 00:27:12,340 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-11 00:27:12,341 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2021-10-11 00:27:12,341 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391092399]
[2021-10-11 00:27:12,341 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:12,342 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:12,342 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:12,342 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:27:12,343 INFO  L87              Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states.
[2021-10-11 00:27:13,062 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:13,062 INFO  L93              Difference]: Finished difference Result 3203 states and 3742 transitions.
[2021-10-11 00:27:13,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:13,063 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 358
[2021-10-11 00:27:13,064 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:13,076 INFO  L225             Difference]: With dead ends: 3203
[2021-10-11 00:27:13,077 INFO  L226             Difference]: Without dead ends: 2089
[2021-10-11 00:27:13,079 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:27:13,083 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2089 states.
[2021-10-11 00:27:13,127 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089.
[2021-10-11 00:27:13,127 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2089 states.
[2021-10-11 00:27:13,132 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions.
[2021-10-11 00:27:13,133 INFO  L78                 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 358
[2021-10-11 00:27:13,133 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:13,133 INFO  L481      AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions.
[2021-10-11 00:27:13,134 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:13,134 INFO  L276                IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions.
[2021-10-11 00:27:13,144 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 372
[2021-10-11 00:27:13,144 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:27:13,145 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:27:13,365 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2021-10-11 00:27:13,365 INFO  L429      AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:27:13,365 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:27:13,365 INFO  L82        PathProgramCache]: Analyzing trace with hash 396556598, now seen corresponding path program 1 times
[2021-10-11 00:27:13,366 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:27:13,366 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209421441]
[2021-10-11 00:27:13,366 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:27:13,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:27:13,686 INFO  L134       CoverageAnalysis]: Checked inductivity of 438 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked.
[2021-10-11 00:27:13,687 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209421441]
[2021-10-11 00:27:13,687 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:27:13,687 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:27:13,688 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038059848]
[2021-10-11 00:27:13,688 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:27:13,688 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:27:13,689 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:27:13,689 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:13,689 INFO  L87              Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand 3 states.
[2021-10-11 00:27:14,474 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:27:14,474 INFO  L93              Difference]: Finished difference Result 4730 states and 5375 transitions.
[2021-10-11 00:27:14,475 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:27:14,475 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 371
[2021-10-11 00:27:14,476 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:27:14,477 INFO  L225             Difference]: With dead ends: 4730
[2021-10-11 00:27:14,477 INFO  L226             Difference]: Without dead ends: 0
[2021-10-11 00:27:14,486 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:27:14,487 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:27:14,487 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:27:14,487 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:27:14,487 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:27:14,487 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371
[2021-10-11 00:27:14,488 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:27:14,488 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:27:14,488 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:27:14,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:27:14,488 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:27:14,488 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-10-11 00:27:14,491 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-11 00:27:14,784 WARN  L197               SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30
[2021-10-11 00:27:14,947 WARN  L197               SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30
[2021-10-11 00:27:14,951 INFO  L262        CegarLoopResult]: For program point  L597(line 597)  no Hoare annotation was computed.
[2021-10-11 00:27:14,952 INFO  L262        CegarLoopResult]: For program point  L564(lines 564 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,952 INFO  L262        CegarLoopResult]: For program point  L333(lines 333 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,952 INFO  L262        CegarLoopResult]: For program point  L367(lines 367 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,952 INFO  L262        CegarLoopResult]: For program point  L301(lines 301 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,952 INFO  L262        CegarLoopResult]: For program point  L235(lines 235 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,954 INFO  L262        CegarLoopResult]: For program point  L202-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,954 INFO  L262        CegarLoopResult]: For program point  L169-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,954 INFO  L262        CegarLoopResult]: For program point  L136-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,954 INFO  L262        CegarLoopResult]: For program point  L103-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,954 INFO  L262        CegarLoopResult]: For program point  L70-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,954 INFO  L262        CegarLoopResult]: For program point  L37-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,955 INFO  L262        CegarLoopResult]: For program point  L533(lines 533 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,955 INFO  L262        CegarLoopResult]: For program point  L203(line 203)  no Hoare annotation was computed.
[2021-10-11 00:27:14,955 INFO  L262        CegarLoopResult]: For program point  L170(line 170)  no Hoare annotation was computed.
[2021-10-11 00:27:14,955 INFO  L262        CegarLoopResult]: For program point  L137(line 137)  no Hoare annotation was computed.
[2021-10-11 00:27:14,955 INFO  L262        CegarLoopResult]: For program point  L104(line 104)  no Hoare annotation was computed.
[2021-10-11 00:27:14,955 INFO  L262        CegarLoopResult]: For program point  L71(line 71)  no Hoare annotation was computed.
[2021-10-11 00:27:14,957 INFO  L262        CegarLoopResult]: For program point  L38(line 38)  no Hoare annotation was computed.
[2021-10-11 00:27:14,957 INFO  L262        CegarLoopResult]: For program point  L567(lines 567 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,958 INFO  L262        CegarLoopResult]: For program point  L435(lines 435 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,958 INFO  L262        CegarLoopResult]: For program point  L336(lines 336 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,958 INFO  L262        CegarLoopResult]: For program point  L270(lines 270 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,958 INFO  L262        CegarLoopResult]: For program point  L403(lines 403 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,958 INFO  L262        CegarLoopResult]: For program point  L370(lines 370 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,959 INFO  L262        CegarLoopResult]: For program point  L205-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,959 INFO  L262        CegarLoopResult]: For program point  L172-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,959 INFO  L262        CegarLoopResult]: For program point  L139-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,959 INFO  L262        CegarLoopResult]: For program point  L106-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,960 INFO  L262        CegarLoopResult]: For program point  L73-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,960 INFO  L262        CegarLoopResult]: For program point  L40-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,960 INFO  L262        CegarLoopResult]: For program point  L536(lines 536 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,960 INFO  L262        CegarLoopResult]: For program point  L503(lines 503 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,960 INFO  L262        CegarLoopResult]: For program point  L470(lines 470 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,960 INFO  L262        CegarLoopResult]: For program point  L206(line 206)  no Hoare annotation was computed.
[2021-10-11 00:27:14,960 INFO  L262        CegarLoopResult]: For program point  L173(line 173)  no Hoare annotation was computed.
[2021-10-11 00:27:14,961 INFO  L262        CegarLoopResult]: For program point  L140(line 140)  no Hoare annotation was computed.
[2021-10-11 00:27:14,961 INFO  L262        CegarLoopResult]: For program point  L107(line 107)  no Hoare annotation was computed.
[2021-10-11 00:27:14,961 INFO  L262        CegarLoopResult]: For program point  L74(line 74)  no Hoare annotation was computed.
[2021-10-11 00:27:14,961 INFO  L262        CegarLoopResult]: For program point  L41(line 41)  no Hoare annotation was computed.
[2021-10-11 00:27:14,961 INFO  L262        CegarLoopResult]: For program point  L339(lines 339 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,961 INFO  L262        CegarLoopResult]: For program point  L306(lines 306 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,961 INFO  L262        CegarLoopResult]: For program point  L241(lines 241 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,961 INFO  L262        CegarLoopResult]: For program point  L208-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,962 INFO  L262        CegarLoopResult]: For program point  L175-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,962 INFO  L262        CegarLoopResult]: For program point  L142-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,962 INFO  L262        CegarLoopResult]: For program point  L109-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,962 INFO  L262        CegarLoopResult]: For program point  L76-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,962 INFO  L262        CegarLoopResult]: For program point  L43-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,962 INFO  L262        CegarLoopResult]: For program point  L539(lines 539 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,962 INFO  L262        CegarLoopResult]: For program point  L440(lines 440 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,963 INFO  L262        CegarLoopResult]: For program point  L275(lines 275 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,963 INFO  L262        CegarLoopResult]: For program point  L209(line 209)  no Hoare annotation was computed.
[2021-10-11 00:27:14,963 INFO  L262        CegarLoopResult]: For program point  L176(line 176)  no Hoare annotation was computed.
[2021-10-11 00:27:14,963 INFO  L262        CegarLoopResult]: For program point  L143(line 143)  no Hoare annotation was computed.
[2021-10-11 00:27:14,963 INFO  L262        CegarLoopResult]: For program point  L110(line 110)  no Hoare annotation was computed.
[2021-10-11 00:27:14,963 INFO  L262        CegarLoopResult]: For program point  L77(line 77)  no Hoare annotation was computed.
[2021-10-11 00:27:14,963 INFO  L262        CegarLoopResult]: For program point  L44(line 44)  no Hoare annotation was computed.
[2021-10-11 00:27:14,963 INFO  L262        CegarLoopResult]: For program point  L573(lines 573 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,964 INFO  L262        CegarLoopResult]: For program point  L408(lines 408 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,964 INFO  L262        CegarLoopResult]: For program point  L375(lines 375 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,964 INFO  L262        CegarLoopResult]: For program point  L475(lines 475 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,964 INFO  L262        CegarLoopResult]: For program point  L211-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,964 INFO  L262        CegarLoopResult]: For program point  L178-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,965 INFO  L262        CegarLoopResult]: For program point  L145-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,965 INFO  L262        CegarLoopResult]: For program point  L112-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,965 INFO  L262        CegarLoopResult]: For program point  L79-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,965 INFO  L262        CegarLoopResult]: For program point  L46-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,965 INFO  L262        CegarLoopResult]: For program point  L509(lines 509 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,965 INFO  L262        CegarLoopResult]: For program point  L311(lines 311 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,965 INFO  L262        CegarLoopResult]: For program point  L212(line 212)  no Hoare annotation was computed.
[2021-10-11 00:27:14,965 INFO  L262        CegarLoopResult]: For program point  L179(line 179)  no Hoare annotation was computed.
[2021-10-11 00:27:14,966 INFO  L262        CegarLoopResult]: For program point  L146(line 146)  no Hoare annotation was computed.
[2021-10-11 00:27:14,966 INFO  L262        CegarLoopResult]: For program point  L113(line 113)  no Hoare annotation was computed.
[2021-10-11 00:27:14,966 INFO  L262        CegarLoopResult]: For program point  L80(line 80)  no Hoare annotation was computed.
[2021-10-11 00:27:14,966 INFO  L262        CegarLoopResult]: For program point  L47(line 47)  no Hoare annotation was computed.
[2021-10-11 00:27:14,966 INFO  L262        CegarLoopResult]: For program point  L345(lines 345 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,966 INFO  L262        CegarLoopResult]: For program point  L246(lines 246 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,966 INFO  L262        CegarLoopResult]: For program point  L544(lines 544 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,966 INFO  L262        CegarLoopResult]: For program point  L181-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,967 INFO  L262        CegarLoopResult]: For program point  L148-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,967 INFO  L262        CegarLoopResult]: For program point  L115-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,968 INFO  L262        CegarLoopResult]: For program point  L82-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,968 INFO  L262        CegarLoopResult]: For program point  L49-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,968 INFO  L262        CegarLoopResult]: For program point  L446(lines 446 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,968 INFO  L262        CegarLoopResult]: For program point  L413(lines 413 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,968 INFO  L262        CegarLoopResult]: For program point  L380(lines 380 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,968 INFO  L262        CegarLoopResult]: For program point  L281(lines 281 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,968 INFO  L262        CegarLoopResult]: For program point  L182(line 182)  no Hoare annotation was computed.
[2021-10-11 00:27:14,969 INFO  L262        CegarLoopResult]: For program point  L149(line 149)  no Hoare annotation was computed.
[2021-10-11 00:27:14,969 INFO  L262        CegarLoopResult]: For program point  L116(line 116)  no Hoare annotation was computed.
[2021-10-11 00:27:14,969 INFO  L262        CegarLoopResult]: For program point  L83(line 83)  no Hoare annotation was computed.
[2021-10-11 00:27:14,969 INFO  L262        CegarLoopResult]: For program point  L50(line 50)  no Hoare annotation was computed.
[2021-10-11 00:27:14,969 INFO  L262        CegarLoopResult]: For program point  L579(lines 579 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,969 INFO  L262        CegarLoopResult]: For program point  L249(lines 249 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,969 INFO  L262        CegarLoopResult]: For program point  L514(lines 514 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,969 INFO  L262        CegarLoopResult]: For program point  L481(lines 481 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,970 INFO  L262        CegarLoopResult]: For program point  L316(lines 316 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,970 INFO  L262        CegarLoopResult]: For program point  L184-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,970 INFO  L262        CegarLoopResult]: For program point  L151-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,970 INFO  L262        CegarLoopResult]: For program point  L118-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,970 INFO  L262        CegarLoopResult]: For program point  L85-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,970 INFO  L262        CegarLoopResult]: For program point  L52-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,970 INFO  L262        CegarLoopResult]: For program point  L350(lines 350 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,970 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startENTRY(line -1)  no Hoare annotation was computed.
[2021-10-11 00:27:14,971 INFO  L262        CegarLoopResult]: For program point  L185(line 185)  no Hoare annotation was computed.
[2021-10-11 00:27:14,971 INFO  L262        CegarLoopResult]: For program point  L152(line 152)  no Hoare annotation was computed.
[2021-10-11 00:27:14,971 INFO  L262        CegarLoopResult]: For program point  L119(line 119)  no Hoare annotation was computed.
[2021-10-11 00:27:14,971 INFO  L262        CegarLoopResult]: For program point  L86(line 86)  no Hoare annotation was computed.
[2021-10-11 00:27:14,971 INFO  L262        CegarLoopResult]: For program point  L53(line 53)  no Hoare annotation was computed.
[2021-10-11 00:27:14,973 INFO  L258        CegarLoopResult]: At program point  L583(lines 30 584)  the Hoare annotation is:  (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse2) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2)))
[2021-10-11 00:27:14,973 INFO  L262        CegarLoopResult]: For program point  L550(lines 550 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,973 INFO  L262        CegarLoopResult]: For program point  L418(lines 418 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,974 INFO  L262        CegarLoopResult]: For program point  L385(lines 385 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,974 INFO  L262        CegarLoopResult]: For program point  L220(lines 220 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,974 INFO  L262        CegarLoopResult]: For program point  L187-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,974 INFO  L262        CegarLoopResult]: For program point  L154-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,974 INFO  L262        CegarLoopResult]: For program point  L121-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,974 INFO  L262        CegarLoopResult]: For program point  L88-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,974 INFO  L262        CegarLoopResult]: For program point  L55-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,974 INFO  L262        CegarLoopResult]: For program point  L452(lines 452 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,975 INFO  L262        CegarLoopResult]: For program point  L287(lines 287 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,975 INFO  L262        CegarLoopResult]: For program point  L254(lines 254 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,975 INFO  L262        CegarLoopResult]: For program point  L188(line 188)  no Hoare annotation was computed.
[2021-10-11 00:27:14,975 INFO  L262        CegarLoopResult]: For program point  L155(line 155)  no Hoare annotation was computed.
[2021-10-11 00:27:14,975 INFO  L262        CegarLoopResult]: For program point  L122(line 122)  no Hoare annotation was computed.
[2021-10-11 00:27:14,975 INFO  L262        CegarLoopResult]: For program point  L89(line 89)  no Hoare annotation was computed.
[2021-10-11 00:27:14,975 INFO  L262        CegarLoopResult]: For program point  L56(line 56)  no Hoare annotation was computed.
[2021-10-11 00:27:14,975 INFO  L262        CegarLoopResult]: For program point  L519(lines 519 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,976 INFO  L262        CegarLoopResult]: For program point  L486(lines 486 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,976 INFO  L265        CegarLoopResult]: At program point  L586(lines 586 602)  the Hoare annotation is:  true
[2021-10-11 00:27:14,976 INFO  L262        CegarLoopResult]: For program point  L388(lines 388 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,976 INFO  L262        CegarLoopResult]: For program point  L355(lines 355 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,976 INFO  L262        CegarLoopResult]: For program point  L322(lines 322 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,976 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2021-10-11 00:27:14,976 INFO  L262        CegarLoopResult]: For program point  L190-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,977 INFO  L262        CegarLoopResult]: For program point  L157-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,977 INFO  L262        CegarLoopResult]: For program point  L124-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,977 INFO  L262        CegarLoopResult]: For program point  L91-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,977 INFO  L262        CegarLoopResult]: For program point  L58-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,977 INFO  L262        CegarLoopResult]: For program point  L191(line 191)  no Hoare annotation was computed.
[2021-10-11 00:27:14,977 INFO  L262        CegarLoopResult]: For program point  L158(line 158)  no Hoare annotation was computed.
[2021-10-11 00:27:14,977 INFO  L262        CegarLoopResult]: For program point  L125(line 125)  no Hoare annotation was computed.
[2021-10-11 00:27:14,977 INFO  L262        CegarLoopResult]: For program point  L92(line 92)  no Hoare annotation was computed.
[2021-10-11 00:27:14,978 INFO  L262        CegarLoopResult]: For program point  L59(line 59)  no Hoare annotation was computed.
[2021-10-11 00:27:14,978 INFO  L262        CegarLoopResult]: For program point  L555(lines 555 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,978 INFO  L262        CegarLoopResult]: For program point  L225(lines 225 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,978 INFO  L262        CegarLoopResult]: For program point  L424(lines 424 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,978 INFO  L262        CegarLoopResult]: For program point  L259(lines 259 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,978 INFO  L262        CegarLoopResult]: For program point  L193-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,978 INFO  L262        CegarLoopResult]: For program point  L160-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,978 INFO  L262        CegarLoopResult]: For program point  L127-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,979 INFO  L262        CegarLoopResult]: For program point  L94-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,979 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2021-10-11 00:27:14,979 INFO  L262        CegarLoopResult]: For program point  L61-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,979 INFO  L262        CegarLoopResult]: For program point  L524(lines 524 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,979 INFO  L262        CegarLoopResult]: For program point  L491(lines 491 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,979 INFO  L262        CegarLoopResult]: For program point  L458(lines 458 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,979 INFO  L262        CegarLoopResult]: For program point  L293(lines 293 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,979 INFO  L262        CegarLoopResult]: For program point  L194(line 194)  no Hoare annotation was computed.
[2021-10-11 00:27:14,980 INFO  L262        CegarLoopResult]: For program point  L161(line 161)  no Hoare annotation was computed.
[2021-10-11 00:27:14,980 INFO  L262        CegarLoopResult]: For program point  L128(line 128)  no Hoare annotation was computed.
[2021-10-11 00:27:14,980 INFO  L262        CegarLoopResult]: For program point  L95(line 95)  no Hoare annotation was computed.
[2021-10-11 00:27:14,980 INFO  L262        CegarLoopResult]: For program point  L62(line 62)  no Hoare annotation was computed.
[2021-10-11 00:27:14,980 INFO  L262        CegarLoopResult]: For program point  L558(lines 558 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,980 INFO  L262        CegarLoopResult]: For program point  L393(lines 393 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,980 INFO  L262        CegarLoopResult]: For program point  L327(lines 327 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,981 INFO  L258        CegarLoopResult]: At program point  L592-2(lines 592 601)  the Hoare annotation is:  (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse2) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2)))
[2021-10-11 00:27:14,981 INFO  L262        CegarLoopResult]: For program point  L361(lines 361 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,981 INFO  L262        CegarLoopResult]: For program point  L196-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,981 INFO  L262        CegarLoopResult]: For program point  L163-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,981 INFO  L262        CegarLoopResult]: For program point  L130-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,981 INFO  L262        CegarLoopResult]: For program point  L97-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,981 INFO  L262        CegarLoopResult]: For program point  L31(lines 31 33)  no Hoare annotation was computed.
[2021-10-11 00:27:14,982 INFO  L262        CegarLoopResult]: For program point  L64-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,982 INFO  L262        CegarLoopResult]: For program point  L31-2(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,982 INFO  L262        CegarLoopResult]: For program point  L527(lines 527 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,982 INFO  L262        CegarLoopResult]: For program point  L296(lines 296 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,982 INFO  L262        CegarLoopResult]: For program point  L230(lines 230 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,982 INFO  L262        CegarLoopResult]: For program point  L197(line 197)  no Hoare annotation was computed.
[2021-10-11 00:27:14,982 INFO  L262        CegarLoopResult]: For program point  L164(line 164)  no Hoare annotation was computed.
[2021-10-11 00:27:14,982 INFO  L262        CegarLoopResult]: For program point  L131(line 131)  no Hoare annotation was computed.
[2021-10-11 00:27:14,983 INFO  L262        CegarLoopResult]: For program point  L98(line 98)  no Hoare annotation was computed.
[2021-10-11 00:27:14,983 INFO  L262        CegarLoopResult]: For program point  L65(line 65)  no Hoare annotation was computed.
[2021-10-11 00:27:14,983 INFO  L262        CegarLoopResult]: For program point  L32(line 32)  no Hoare annotation was computed.
[2021-10-11 00:27:14,983 INFO  L262        CegarLoopResult]: For program point  L-1(line -1)  no Hoare annotation was computed.
[2021-10-11 00:27:14,983 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188)  no Hoare annotation was computed.
[2021-10-11 00:27:14,983 INFO  L262        CegarLoopResult]: For program point  L429(lines 429 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,983 INFO  L262        CegarLoopResult]: For program point  L330(lines 330 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,984 INFO  L262        CegarLoopResult]: For program point  L264(lines 264 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,984 INFO  L262        CegarLoopResult]: For program point  L364(lines 364 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,984 INFO  L262        CegarLoopResult]: For program point  L199-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,984 INFO  L262        CegarLoopResult]: For program point  L166-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,984 INFO  L262        CegarLoopResult]: For program point  L133-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,984 INFO  L262        CegarLoopResult]: For program point  L100-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,984 INFO  L262        CegarLoopResult]: For program point  L67-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,985 INFO  L262        CegarLoopResult]: For program point  L34-1(lines 30 584)  no Hoare annotation was computed.
[2021-10-11 00:27:14,985 INFO  L262        CegarLoopResult]: For program point  L497(lines 497 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,985 INFO  L262        CegarLoopResult]: For program point  L464(lines 464 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,985 INFO  L262        CegarLoopResult]: For program point  L398(lines 398 582)  no Hoare annotation was computed.
[2021-10-11 00:27:14,985 INFO  L262        CegarLoopResult]: For program point  L200(line 200)  no Hoare annotation was computed.
[2021-10-11 00:27:14,985 INFO  L262        CegarLoopResult]: For program point  L167(line 167)  no Hoare annotation was computed.
[2021-10-11 00:27:14,985 INFO  L262        CegarLoopResult]: For program point  L134(line 134)  no Hoare annotation was computed.
[2021-10-11 00:27:14,985 INFO  L262        CegarLoopResult]: For program point  L101(line 101)  no Hoare annotation was computed.
[2021-10-11 00:27:14,986 INFO  L262        CegarLoopResult]: For program point  L68(line 68)  no Hoare annotation was computed.
[2021-10-11 00:27:14,986 INFO  L262        CegarLoopResult]: For program point  L35(line 35)  no Hoare annotation was computed.
[2021-10-11 00:27:15,026 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:15 BoogieIcfgContainer
[2021-10-11 00:27:15,029 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:27:15,030 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:27:15,030 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:27:15,031 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:27:15,031 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:59" (3/4) ...
[2021-10-11 00:27:15,035 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:27:15,066 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2021-10-11 00:27:15,068 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:27:15,069 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:27:15,071 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:27:15,235 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:27:15,235 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:27:15,237 INFO  L168              Benchmark]: Toolchain (without parser) took 18110.85 ms. Allocated memory was 107.0 MB in the beginning and 394.3 MB in the end (delta: 287.3 MB). Free memory was 73.4 MB in the beginning and 237.9 MB in the end (delta: -164.4 MB). Peak memory consumption was 121.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:15,238 INFO  L168              Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 33.7 MB in the beginning and 33.7 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:27:15,238 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 670.42 ms. Allocated memory is still 107.0 MB. Free memory was 73.2 MB in the beginning and 67.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:15,238 INFO  L168              Benchmark]: Boogie Procedure Inliner took 116.04 ms. Allocated memory is still 107.0 MB. Free memory was 67.3 MB in the beginning and 59.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:15,239 INFO  L168              Benchmark]: Boogie Preprocessor took 127.98 ms. Allocated memory is still 107.0 MB. Free memory was 59.4 MB in the beginning and 54.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:15,239 INFO  L168              Benchmark]: RCFGBuilder took 1601.50 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 54.1 MB in the beginning and 62.0 MB in the end (delta: -7.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:15,240 INFO  L168              Benchmark]: TraceAbstraction took 15368.59 ms. Allocated memory was 136.3 MB in the beginning and 394.3 MB in the end (delta: 257.9 MB). Free memory was 61.2 MB in the beginning and 252.5 MB in the end (delta: -191.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:15,240 INFO  L168              Benchmark]: Witness Printer took 205.28 ms. Allocated memory is still 394.3 MB. Free memory was 252.5 MB in the beginning and 237.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:15,243 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 33.7 MB in the beginning and 33.7 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 670.42 ms. Allocated memory is still 107.0 MB. Free memory was 73.2 MB in the beginning and 67.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 116.04 ms. Allocated memory is still 107.0 MB. Free memory was 67.3 MB in the beginning and 59.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 127.98 ms. Allocated memory is still 107.0 MB. Free memory was 59.4 MB in the beginning and 54.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1601.50 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 54.1 MB in the beginning and 62.0 MB in the end (delta: -7.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 15368.59 ms. Allocated memory was 136.3 MB in the beginning and 394.3 MB in the end (delta: 257.9 MB). Free memory was 61.2 MB in the beginning and 252.5 MB in the end (delta: -191.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 16.1 GB.
 * Witness Printer took 205.28 ms. Allocated memory is still 394.3 MB. Free memory was 252.5 MB in the beginning and 237.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 188]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 592]: Loop Invariant
    Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)
  - InvariantResult [Line: 30]: Loop Invariant
    Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)
  - InvariantResult [Line: 586]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1258 SDtfs, 1051 SDslu, 53 SDs, 0 SdLazy, 4146 SolverSat, 657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 952 GetRequests, 925 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 151 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1222 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 516 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3209 NumberOfCodeBlocks, 3209 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3195 ConstructedInterpolants, 0 QuantifiedInterpolants, 3320610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1297 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 2359/2548 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...