./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe005_tso.opt.i --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_a782630a-70ac-4828-9af6-f2b56376aff4/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/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_a782630a-70ac-4828-9af6-f2b56376aff4/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe005_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/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_a782630a-70ac-4828-9af6-f2b56376aff4/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 8ed4e776f61f45179464b0c5963a32fbca5f06af
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 00:24:33,747 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:24:33,749 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:24:33,794 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:24:33,795 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:24:33,800 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:24:33,802 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:24:33,807 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:24:33,810 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:24:33,816 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:24:33,817 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:24:33,818 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:24:33,819 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:24:33,822 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:24:33,824 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:24:33,826 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:24:33,827 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:24:33,831 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:24:33,834 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:24:33,842 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:24:33,844 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:24:33,846 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:24:33,849 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:24:33,850 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:24:33,859 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:24:33,860 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:24:33,860 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:24:33,862 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:24:33,863 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:24:33,865 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:24:33,866 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:24:33,867 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:24:33,869 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:24:33,870 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:24:33,872 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:24:33,873 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:24:33,874 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:24:33,874 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:24:33,874 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:24:33,875 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:24:33,876 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:24:33,879 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:24:33,922 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:24:33,922 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:24:33,924 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:24:33,925 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:24:33,925 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:24:33,925 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:24:33,926 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-11 00:24:33,926 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:24:33,926 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-11 00:24:33,933 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:24:33,934 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:24:33,934 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:24:33,935 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:24:33,935 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-11 00:24:33,935 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:24:33,935 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:24:33,935 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:24:33,936 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:24:33,936 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:24:33,936 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:24:33,936 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:24:33,937 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:24:33,937 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:24:33,937 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:24:33,937 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:24:33,938 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:24:33,938 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:24:33,938 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:24:33,938 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_a782630a-70ac-4828-9af6-f2b56376aff4/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_a782630a-70ac-4828-9af6-f2b56376aff4/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 -> 8ed4e776f61f45179464b0c5963a32fbca5f06af
[2021-10-11 00:24:34,257 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:24:34,280 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:24:34,283 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:24:34,284 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:24:34,285 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:24:34,286 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/pthread-wmm/safe005_tso.opt.i
[2021-10-11 00:24:34,391 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/bin/uautomizer-Z5i5R5N3CC/data/949d9fb63/55ece503787f4317aa06ff5382432ad9/FLAGeab283c6f
[2021-10-11 00:24:35,081 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:24:35,081 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/sv-benchmarks/c/pthread-wmm/safe005_tso.opt.i
[2021-10-11 00:24:35,106 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/bin/uautomizer-Z5i5R5N3CC/data/949d9fb63/55ece503787f4317aa06ff5382432ad9/FLAGeab283c6f
[2021-10-11 00:24:35,355 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/bin/uautomizer-Z5i5R5N3CC/data/949d9fb63/55ece503787f4317aa06ff5382432ad9
[2021-10-11 00:24:35,358 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:24:35,360 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:24:35,362 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:24:35,363 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:24:35,366 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:24:35,367 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:35,370 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3690be9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35, skipping insertion in model container
[2021-10-11 00:24:35,370 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:35,379 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:24:35,446 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:24:35,644 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_a782630a-70ac-4828-9af6-f2b56376aff4/sv-benchmarks/c/pthread-wmm/safe005_tso.opt.i[949,962]
[2021-10-11 00:24:35,805 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:24:35,814 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:24:35,835 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_a782630a-70ac-4828-9af6-f2b56376aff4/sv-benchmarks/c/pthread-wmm/safe005_tso.opt.i[949,962]
[2021-10-11 00:24:35,873 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:24:35,961 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:24:35,962 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35 WrapperNode
[2021-10-11 00:24:35,962 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:24:35,963 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:24:35,963 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:24:35,964 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:24:35,976 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:35,994 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:36,021 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:24:36,022 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:24:36,022 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:24:36,022 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:24:36,031 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:36,031 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:36,035 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:36,035 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:36,043 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:36,047 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:36,050 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
[2021-10-11 00:24:36,061 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:24:36,062 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:24:36,063 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:24:36,063 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:24:36,071 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/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 00:24:36,172 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-11 00:24:36,173 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-10-11 00:24:36,174 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:24:36,174 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-11 00:24:36,174 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-10-11 00:24:36,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-10-11 00:24:36,175 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-10-11 00:24:36,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-10-11 00:24:36,176 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2021-10-11 00:24:36,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2021-10-11 00:24:36,176 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:24:36,176 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-10-11 00:24:36,177 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:24:36,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:24:36,179 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-11 00:24:36,595 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:24:36,596 INFO  L299             CfgBuilder]: Removed 8 assume(true) statements.
[2021-10-11 00:24:36,598 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:36 BoogieIcfgContainer
[2021-10-11 00:24:36,598 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:24:36,599 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:24:36,600 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:24:36,609 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:24:36,609 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:35" (1/3) ...
[2021-10-11 00:24:36,610 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478d4393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:36, skipping insertion in model container
[2021-10-11 00:24:36,610 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:35" (2/3) ...
[2021-10-11 00:24:36,611 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478d4393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:36, skipping insertion in model container
[2021-10-11 00:24:36,611 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:36" (3/3) ...
[2021-10-11 00:24:36,612 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe005_tso.opt.i
[2021-10-11 00:24:36,634 WARN  L169   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-11 00:24:36,635 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:24:36,637 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-10-11 00:24:36,638 INFO  L354   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-11 00:24:36,666 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,666 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,667 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,667 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,667 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,667 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,668 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,668 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,668 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,669 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,669 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,669 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,670 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,670 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,670 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,670 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,671 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,671 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,671 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,671 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,672 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,672 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,672 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,673 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,673 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,673 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,674 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,674 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,674 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,674 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,675 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,675 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,675 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,675 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,676 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,676 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,678 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,680 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,681 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,682 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,690 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,690 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,690 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,691 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,694 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,694 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,694 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,695 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:24:36,697 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-11 00:24:36,709 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-10-11 00:24:36,744 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:24:36,746 INFO  L378      AbstractCegarLoop]: Hoare is true
[2021-10-11 00:24:36,746 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:24:36,746 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:24:36,747 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:24:36,747 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-10-11 00:24:36,747 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:24:36,747 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:24:36,763 INFO  L120   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-11 00:24:36,765 INFO  L135   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 75 transitions, 165 flow
[2021-10-11 00:24:36,769 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 75 transitions, 165 flow
[2021-10-11 00:24:36,770 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 165 flow
[2021-10-11 00:24:36,812 INFO  L129       PetriNetUnfolder]: 2/72 cut-off events.
[2021-10-11 00:24:36,812 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-10-11 00:24:36,816 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 2/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. 
[2021-10-11 00:24:36,819 INFO  L116        LiptonReduction]: Number of co-enabled transitions 1296
[2021-10-11 00:24:39,107 WARN  L197               SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56
[2021-10-11 00:24:39,302 WARN  L197               SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56
[2021-10-11 00:24:40,158 WARN  L197               SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76
[2021-10-11 00:24:40,416 WARN  L197               SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76
[2021-10-11 00:24:40,548 INFO  L131        LiptonReduction]: Checked pairs total: 2371
[2021-10-11 00:24:40,548 INFO  L133        LiptonReduction]: Total number of compositions: 63
[2021-10-11 00:24:40,555 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 57 flow
[2021-10-11 00:24:40,578 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states.
[2021-10-11 00:24:40,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 298 states.
[2021-10-11 00:24:40,586 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2021-10-11 00:24:40,587 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:24:40,588 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:24:40,588 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:24:40,593 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:24:40,594 INFO  L82        PathProgramCache]: Analyzing trace with hash 1684989787, now seen corresponding path program 1 times
[2021-10-11 00:24:40,603 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:24:40,603 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26751539]
[2021-10-11 00:24:40,603 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:24:40,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:24:40,934 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 00:24:40,934 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26751539]
[2021-10-11 00:24:40,935 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:24:40,935 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-11 00:24:40,936 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989557562]
[2021-10-11 00:24:40,940 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:24:40,940 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:24:40,954 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:24:40,955 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:24:40,957 INFO  L87              Difference]: Start difference. First operand 298 states. Second operand 3 states.
[2021-10-11 00:24:41,021 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:24:41,022 INFO  L93              Difference]: Finished difference Result 468 states and 1286 transitions.
[2021-10-11 00:24:41,022 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:24:41,023 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2021-10-11 00:24:41,024 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:24:41,039 INFO  L225             Difference]: With dead ends: 468
[2021-10-11 00:24:41,039 INFO  L226             Difference]: Without dead ends: 292
[2021-10-11 00:24:41,041 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 00:24:41,065 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 292 states.
[2021-10-11 00:24:41,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 250.
[2021-10-11 00:24:41,104 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 250 states.
[2021-10-11 00:24:41,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 640 transitions.
[2021-10-11 00:24:41,109 INFO  L78                 Accepts]: Start accepts. Automaton has 250 states and 640 transitions. Word has length 8
[2021-10-11 00:24:41,110 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:24:41,110 INFO  L481      AbstractCegarLoop]: Abstraction has 250 states and 640 transitions.
[2021-10-11 00:24:41,110 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:24:41,110 INFO  L276                IsEmpty]: Start isEmpty. Operand 250 states and 640 transitions.
[2021-10-11 00:24:41,111 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-11 00:24:41,112 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:24:41,112 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:24:41,112 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:24:41,112 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:24:41,113 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:24:41,113 INFO  L82        PathProgramCache]: Analyzing trace with hash 695081323, now seen corresponding path program 1 times
[2021-10-11 00:24:41,113 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:24:41,113 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940971001]
[2021-10-11 00:24:41,114 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:24:41,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:24:41,197 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 00:24:41,198 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940971001]
[2021-10-11 00:24:41,199 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:24:41,199 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-11 00:24:41,199 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935602276]
[2021-10-11 00:24:41,200 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:24:41,201 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:24:41,201 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:24:41,202 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:24:41,202 INFO  L87              Difference]: Start difference. First operand 250 states and 640 transitions. Second operand 3 states.
[2021-10-11 00:24:41,223 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:24:41,223 INFO  L93              Difference]: Finished difference Result 226 states and 558 transitions.
[2021-10-11 00:24:41,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:24:41,224 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2021-10-11 00:24:41,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:24:41,230 INFO  L225             Difference]: With dead ends: 226
[2021-10-11 00:24:41,231 INFO  L226             Difference]: Without dead ends: 174
[2021-10-11 00:24:41,231 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 00:24:41,235 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2021-10-11 00:24:41,249 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 158.
[2021-10-11 00:24:41,249 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 158 states.
[2021-10-11 00:24:41,251 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 398 transitions.
[2021-10-11 00:24:41,251 INFO  L78                 Accepts]: Start accepts. Automaton has 158 states and 398 transitions. Word has length 9
[2021-10-11 00:24:41,252 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:24:41,252 INFO  L481      AbstractCegarLoop]: Abstraction has 158 states and 398 transitions.
[2021-10-11 00:24:41,252 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:24:41,252 INFO  L276                IsEmpty]: Start isEmpty. Operand 158 states and 398 transitions.
[2021-10-11 00:24:41,253 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-11 00:24:41,253 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:24:41,253 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:24:41,253 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:24:41,254 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:24:41,254 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:24:41,254 INFO  L82        PathProgramCache]: Analyzing trace with hash -2036864499, now seen corresponding path program 1 times
[2021-10-11 00:24:41,261 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:24:41,261 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137772747]
[2021-10-11 00:24:41,261 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:24:41,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:24:41,365 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 00:24:41,365 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137772747]
[2021-10-11 00:24:41,365 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:24:41,365 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:24:41,365 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233998537]
[2021-10-11 00:24:41,366 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:24:41,366 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:24:41,367 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:24:41,367 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:24:41,367 INFO  L87              Difference]: Start difference. First operand 158 states and 398 transitions. Second operand 4 states.
[2021-10-11 00:24:41,392 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:24:41,392 INFO  L93              Difference]: Finished difference Result 230 states and 562 transitions.
[2021-10-11 00:24:41,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-11 00:24:41,393 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 11
[2021-10-11 00:24:41,393 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:24:41,394 INFO  L225             Difference]: With dead ends: 230
[2021-10-11 00:24:41,394 INFO  L226             Difference]: Without dead ends: 134
[2021-10-11 00:24:41,395 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:24:41,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2021-10-11 00:24:41,403 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134.
[2021-10-11 00:24:41,403 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 134 states.
[2021-10-11 00:24:41,404 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 318 transitions.
[2021-10-11 00:24:41,405 INFO  L78                 Accepts]: Start accepts. Automaton has 134 states and 318 transitions. Word has length 11
[2021-10-11 00:24:41,405 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:24:41,405 INFO  L481      AbstractCegarLoop]: Abstraction has 134 states and 318 transitions.
[2021-10-11 00:24:41,405 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:24:41,405 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 318 transitions.
[2021-10-11 00:24:41,406 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-11 00:24:41,406 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:24:41,407 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:24:41,407 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:24:41,407 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:24:41,407 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:24:41,408 INFO  L82        PathProgramCache]: Analyzing trace with hash 1140467669, now seen corresponding path program 1 times
[2021-10-11 00:24:41,408 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:24:41,408 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544382357]
[2021-10-11 00:24:41,408 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:24:41,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:24:41,470 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 00:24:41,470 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544382357]
[2021-10-11 00:24:41,470 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:24:41,470 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:24:41,471 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428939370]
[2021-10-11 00:24:41,471 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:24:41,471 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:24:41,472 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:24:41,472 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:24:41,472 INFO  L87              Difference]: Start difference. First operand 134 states and 318 transitions. Second operand 5 states.
[2021-10-11 00:24:41,544 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:24:41,544 INFO  L93              Difference]: Finished difference Result 218 states and 496 transitions.
[2021-10-11 00:24:41,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-11 00:24:41,545 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 12
[2021-10-11 00:24:41,545 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:24:41,546 INFO  L225             Difference]: With dead ends: 218
[2021-10-11 00:24:41,546 INFO  L226             Difference]: Without dead ends: 126
[2021-10-11 00:24:41,547 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:24:41,547 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126 states.
[2021-10-11 00:24:41,552 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 98.
[2021-10-11 00:24:41,552 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 98 states.
[2021-10-11 00:24:41,553 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 216 transitions.
[2021-10-11 00:24:41,553 INFO  L78                 Accepts]: Start accepts. Automaton has 98 states and 216 transitions. Word has length 12
[2021-10-11 00:24:41,553 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:24:41,553 INFO  L481      AbstractCegarLoop]: Abstraction has 98 states and 216 transitions.
[2021-10-11 00:24:41,553 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:24:41,553 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 216 transitions.
[2021-10-11 00:24:41,554 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-11 00:24:41,555 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:24:41,555 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:24:41,555 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:24:41,555 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:24:41,556 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:24:41,556 INFO  L82        PathProgramCache]: Analyzing trace with hash -841103600, now seen corresponding path program 1 times
[2021-10-11 00:24:41,556 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:24:41,556 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812695134]
[2021-10-11 00:24:41,556 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:24:41,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:24:41,612 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 00:24:41,612 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812695134]
[2021-10-11 00:24:41,612 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:24:41,612 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:24:41,613 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986430213]
[2021-10-11 00:24:41,613 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:24:41,613 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:24:41,614 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:24:41,614 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:24:41,614 INFO  L87              Difference]: Start difference. First operand 98 states and 216 transitions. Second operand 4 states.
[2021-10-11 00:24:41,648 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:24:41,648 INFO  L93              Difference]: Finished difference Result 116 states and 237 transitions.
[2021-10-11 00:24:41,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-11 00:24:41,649 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 13
[2021-10-11 00:24:41,649 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:24:41,650 INFO  L225             Difference]: With dead ends: 116
[2021-10-11 00:24:41,650 INFO  L226             Difference]: Without dead ends: 84
[2021-10-11 00:24:41,651 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:24:41,651 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2021-10-11 00:24:41,655 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2021-10-11 00:24:41,655 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 84 states.
[2021-10-11 00:24:41,656 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 169 transitions.
[2021-10-11 00:24:41,656 INFO  L78                 Accepts]: Start accepts. Automaton has 84 states and 169 transitions. Word has length 13
[2021-10-11 00:24:41,657 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:24:41,657 INFO  L481      AbstractCegarLoop]: Abstraction has 84 states and 169 transitions.
[2021-10-11 00:24:41,657 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:24:41,657 INFO  L276                IsEmpty]: Start isEmpty. Operand 84 states and 169 transitions.
[2021-10-11 00:24:41,664 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-10-11 00:24:41,664 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:24:41,665 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:24:41,665 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-11 00:24:41,665 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:24:41,665 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:24:41,666 INFO  L82        PathProgramCache]: Analyzing trace with hash -646597307, now seen corresponding path program 1 times
[2021-10-11 00:24:41,666 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:24:41,666 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503061995]
[2021-10-11 00:24:41,666 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:24:41,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:24:41,756 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 00:24:41,757 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503061995]
[2021-10-11 00:24:41,757 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:24:41,757 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:24:41,757 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227065838]
[2021-10-11 00:24:41,758 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:24:41,758 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:24:41,758 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:24:41,759 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:24:41,759 INFO  L87              Difference]: Start difference. First operand 84 states and 169 transitions. Second operand 5 states.
[2021-10-11 00:24:41,799 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:24:41,799 INFO  L93              Difference]: Finished difference Result 86 states and 160 transitions.
[2021-10-11 00:24:41,800 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-11 00:24:41,800 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2021-10-11 00:24:41,800 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:24:41,801 INFO  L225             Difference]: With dead ends: 86
[2021-10-11 00:24:41,801 INFO  L226             Difference]: Without dead ends: 66
[2021-10-11 00:24:41,802 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:24:41,802 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2021-10-11 00:24:41,805 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2021-10-11 00:24:41,805 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 66 states.
[2021-10-11 00:24:41,806 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 118 transitions.
[2021-10-11 00:24:41,806 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 118 transitions. Word has length 14
[2021-10-11 00:24:41,806 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:24:41,806 INFO  L481      AbstractCegarLoop]: Abstraction has 66 states and 118 transitions.
[2021-10-11 00:24:41,807 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:24:41,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions.
[2021-10-11 00:24:41,807 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-10-11 00:24:41,808 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:24:41,808 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:24:41,808 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:24:41,808 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:24:41,809 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:24:41,809 INFO  L82        PathProgramCache]: Analyzing trace with hash 1430343700, now seen corresponding path program 1 times
[2021-10-11 00:24:41,809 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:24:41,810 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656378217]
[2021-10-11 00:24:41,810 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:24:41,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:24:41,891 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 00:24:41,892 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656378217]
[2021-10-11 00:24:41,892 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:24:41,892 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:24:41,893 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415669289]
[2021-10-11 00:24:41,894 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-10-11 00:24:41,894 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:24:41,894 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-11 00:24:41,896 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:24:41,896 INFO  L87              Difference]: Start difference. First operand 66 states and 118 transitions. Second operand 6 states.
[2021-10-11 00:24:41,955 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:24:41,955 INFO  L93              Difference]: Finished difference Result 63 states and 110 transitions.
[2021-10-11 00:24:41,955 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-11 00:24:41,956 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 15
[2021-10-11 00:24:41,956 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:24:41,957 INFO  L225             Difference]: With dead ends: 63
[2021-10-11 00:24:41,957 INFO  L226             Difference]: Without dead ends: 56
[2021-10-11 00:24:41,958 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2021-10-11 00:24:41,958 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2021-10-11 00:24:41,960 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52.
[2021-10-11 00:24:41,960 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 52 states.
[2021-10-11 00:24:41,960 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 90 transitions.
[2021-10-11 00:24:41,960 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 90 transitions. Word has length 15
[2021-10-11 00:24:41,961 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:24:41,961 INFO  L481      AbstractCegarLoop]: Abstraction has 52 states and 90 transitions.
[2021-10-11 00:24:41,961 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2021-10-11 00:24:41,961 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions.
[2021-10-11 00:24:41,962 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-10-11 00:24:41,963 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:24:41,963 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:24:41,963 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-11 00:24:41,963 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:24:41,963 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:24:41,964 INFO  L82        PathProgramCache]: Analyzing trace with hash 1271805033, now seen corresponding path program 1 times
[2021-10-11 00:24:41,964 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:24:41,967 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616930060]
[2021-10-11 00:24:41,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:24:42,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:24:42,045 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 00:24:42,045 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616930060]
[2021-10-11 00:24:42,046 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:24:42,046 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:24:42,046 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327856905]
[2021-10-11 00:24:42,046 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:24:42,046 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:24:42,047 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:24:42,047 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:24:42,047 INFO  L87              Difference]: Start difference. First operand 52 states and 90 transitions. Second operand 4 states.
[2021-10-11 00:24:42,058 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:24:42,059 INFO  L93              Difference]: Finished difference Result 51 states and 89 transitions.
[2021-10-11 00:24:42,059 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-11 00:24:42,059 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 17
[2021-10-11 00:24:42,059 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:24:42,059 INFO  L225             Difference]: With dead ends: 51
[2021-10-11 00:24:42,059 INFO  L226             Difference]: Without dead ends: 0
[2021-10-11 00:24:42,060 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:24:42,060 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:24:42,060 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:24:42,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:24:42,060 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:24:42,061 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17
[2021-10-11 00:24:42,061 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:24:42,061 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:24:42,061 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:24:42,061 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:24:42,061 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:24:42,061 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-11 00:24:42,064 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:42 BasicIcfg
[2021-10-11 00:24:42,064 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:24:42,065 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:24:42,065 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:24:42,065 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:24:42,065 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:36" (3/4) ...
[2021-10-11 00:24:42,069 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:24:42,075 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2021-10-11 00:24:42,075 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2021-10-11 00:24:42,075 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2021-10-11 00:24:42,079 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2021-10-11 00:24:42,080 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:24:42,080 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:24:42,080 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:24:42,131 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782630a-70ac-4828-9af6-f2b56376aff4/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:24:42,131 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:24:42,132 INFO  L168              Benchmark]: Toolchain (without parser) took 6771.85 ms. Allocated memory was 119.5 MB in the beginning and 180.4 MB in the end (delta: 60.8 MB). Free memory was 86.4 MB in the beginning and 65.7 MB in the end (delta: 20.7 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:24:42,133 INFO  L168              Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 41.4 MB in the beginning and 41.3 MB in the end (delta: 77.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:24:42,134 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 600.38 ms. Allocated memory is still 119.5 MB. Free memory was 86.1 MB in the beginning and 75.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:24:42,134 INFO  L168              Benchmark]: Boogie Procedure Inliner took 58.15 ms. Allocated memory is still 119.5 MB. Free memory was 75.0 MB in the beginning and 72.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:24:42,135 INFO  L168              Benchmark]: Boogie Preprocessor took 39.63 ms. Allocated memory is still 119.5 MB. Free memory was 72.9 MB in the beginning and 71.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:24:42,135 INFO  L168              Benchmark]: RCFGBuilder took 535.67 ms. Allocated memory is still 119.5 MB. Free memory was 71.8 MB in the beginning and 89.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB.
[2021-10-11 00:24:42,136 INFO  L168              Benchmark]: TraceAbstraction took 5464.75 ms. Allocated memory was 119.5 MB in the beginning and 180.4 MB in the end (delta: 60.8 MB). Free memory was 89.1 MB in the beginning and 68.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 81.7 MB. Max. memory is 16.1 GB.
[2021-10-11 00:24:42,136 INFO  L168              Benchmark]: Witness Printer took 66.55 ms. Allocated memory is still 180.4 MB. Free memory was 68.8 MB in the beginning and 65.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:24:42,140 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 41.4 MB in the beginning and 41.3 MB in the end (delta: 77.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 600.38 ms. Allocated memory is still 119.5 MB. Free memory was 86.1 MB in the beginning and 75.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 58.15 ms. Allocated memory is still 119.5 MB. Free memory was 75.0 MB in the beginning and 72.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 39.63 ms. Allocated memory is still 119.5 MB. Free memory was 72.9 MB in the beginning and 71.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * RCFGBuilder took 535.67 ms. Allocated memory is still 119.5 MB. Free memory was 71.8 MB in the beginning and 89.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 5464.75 ms. Allocated memory was 119.5 MB in the beginning and 180.4 MB in the end (delta: 60.8 MB). Free memory was 89.1 MB in the beginning and 68.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 81.7 MB. Max. memory is 16.1 GB.
 * Witness Printer took 66.55 ms. Allocated memory is still 180.4 MB. Free memory was 68.8 MB in the beginning and 65.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    845 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 11 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 68 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.7s, 83 PlacesBefore, 31 PlacesAfterwards, 75 TransitionsBefore, 21 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 63 TotalNumberOfCompositions, 2371 MoverChecksTotal
  - PositiveResult [Line: 18]: 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
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 137 SDtfs, 172 SDslu, 150 SDs, 0 SdLazy, 84 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 90 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 4001 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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...