/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i


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


This is Ultimate 0.1.25-b09bf87
[2020-10-16 13:36:44,812 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-16 13:36:44,815 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 13:36:44,857 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 13:36:44,857 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 13:36:44,869 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 13:36:44,870 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-16 13:36:44,873 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-16 13:36:44,876 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-16 13:36:44,879 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-16 13:36:44,880 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-10-16 13:36:44,882 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-16 13:36:44,883 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-16 13:36:44,885 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-16 13:36:44,887 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-16 13:36:44,888 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 13:36:44,890 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 13:36:44,891 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 13:36:44,893 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 13:36:44,899 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 13:36:44,901 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 13:36:44,902 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 13:36:44,904 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 13:36:44,904 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 13:36:44,910 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-16 13:36:44,910 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-16 13:36:44,910 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 13:36:44,913 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-16 13:36:44,913 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-16 13:36:44,914 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-16 13:36:44,914 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-16 13:36:44,915 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-16 13:36:44,916 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-16 13:36:44,916 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-16 13:36:44,917 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-16 13:36:44,918 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-16 13:36:44,919 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-16 13:36:44,919 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-16 13:36:44,919 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-16 13:36:44,920 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-16 13:36:44,921 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 13:36:44,922 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf
[2020-10-16 13:36:44,964 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-16 13:36:44,965 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 13:36:44,967 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 13:36:44,967 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-16 13:36:44,967 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-16 13:36:44,968 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 13:36:44,968 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-16 13:36:44,968 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-16 13:36:44,968 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-16 13:36:44,968 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-16 13:36:44,969 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 13:36:44,970 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 13:36:44,970 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 13:36:44,970 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-16 13:36:44,971 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-16 13:36:44,971 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-16 13:36:44,971 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-16 13:36:44,971 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 13:36:44,971 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-16 13:36:44,972 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-16 13:36:44,972 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-16 13:36:44,972 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 13:36:44,972 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 13:36:44,973 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 13:36:44,973 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 13:36:44,973 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-16 13:36:44,973 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 13:36:44,973 INFO  L138        SettingsManager]:  * Override the interpolant automaton setting of the refinement strategy=true
[2020-10-16 13:36:44,974 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 13:36:44,974 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 13:36:44,974 INFO  L138        SettingsManager]:  * Interpolant automaton=MCR
[2020-10-16 13:36:45,246 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 13:36:45,260 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 13:36:45,264 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 13:36:45,265 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-16 13:36:45,266 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-16 13:36:45,266 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i
[2020-10-16 13:36:45,335 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a760e2576/5ba3816c5e3a4afb8a315e50c27ace60/FLAGe53511e25
[2020-10-16 13:36:45,858 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-16 13:36:45,859 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i
[2020-10-16 13:36:45,880 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a760e2576/5ba3816c5e3a4afb8a315e50c27ace60/FLAGe53511e25
[2020-10-16 13:36:46,156 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a760e2576/5ba3816c5e3a4afb8a315e50c27ace60
[2020-10-16 13:36:46,165 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 13:36:46,168 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 13:36:46,169 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 13:36:46,169 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 13:36:46,172 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 13:36:46,173 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,176 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19099778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46, skipping insertion in model container
[2020-10-16 13:36:46,176 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,184 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-16 13:36:46,231 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-16 13:36:46,617 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 13:36:46,742 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-16 13:36:46,803 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 13:36:46,881 INFO  L208         MainTranslator]: Completed translation
[2020-10-16 13:36:46,882 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46 WrapperNode
[2020-10-16 13:36:46,882 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 13:36:46,883 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 13:36:46,883 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 13:36:46,883 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 13:36:46,892 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,909 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,933 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 13:36:46,933 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 13:36:46,933 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 13:36:46,933 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 13:36:46,943 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,943 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,946 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,947 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,953 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,955 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,957 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
[2020-10-16 13:36:46,960 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 13:36:46,961 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 13:36:46,961 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 13:36:46,961 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-16 13:36:46,962 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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
[2020-10-16 13:36:47,030 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 13:36:47,030 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 13:36:47,030 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 13:36:47,030 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 13:36:47,030 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 13:36:47,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 13:36:47,031 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 13:36:47,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 13:36:47,031 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2020-10-16 13:36:47,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2020-10-16 13:36:47,032 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 13:36:47,032 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 13:36:47,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 13:36:47,034 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-10-16 13:36:47,352 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 13:36:47,353 INFO  L298             CfgBuilder]: Removed 8 assume(true) statements.
[2020-10-16 13:36:47,356 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:36:47 BoogieIcfgContainer
[2020-10-16 13:36:47,356 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 13:36:47,358 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 13:36:47,358 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 13:36:47,362 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-16 13:36:47,362 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:36:46" (1/3) ...
[2020-10-16 13:36:47,363 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0b0a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:36:47, skipping insertion in model container
[2020-10-16 13:36:47,363 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:36:46" (2/3) ...
[2020-10-16 13:36:47,364 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0b0a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:36:47, skipping insertion in model container
[2020-10-16 13:36:47,364 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:36:47" (3/3) ...
[2020-10-16 13:36:47,366 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe008_tso.opt.i
[2020-10-16 13:36:47,380 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 13:36:47,381 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 13:36:47,389 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-16 13:36:47,391 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 13:36:47,425 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,426 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,426 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,427 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,428 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,428 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,429 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,429 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,429 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,430 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,430 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,431 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,431 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,432 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,432 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,432 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,433 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,434 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,439 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,439 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,440 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,440 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,445 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,446 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,447 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,447 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,450 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,450 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,451 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,451 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:36:47,453 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 13:36:47,468 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-10-16 13:36:47,490 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-16 13:36:47,490 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-16 13:36:47,490 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 13:36:47,490 INFO  L380      AbstractCegarLoop]: Backedges is MCR
[2020-10-16 13:36:47,491 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 13:36:47,491 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-16 13:36:47,491 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 13:36:47,491 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 13:36:47,507 INFO  L137   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 13:36:47,508 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow
[2020-10-16 13:36:47,511 INFO  L111        LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 70 transitions, 155 flow
[2020-10-16 13:36:47,514 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow
[2020-10-16 13:36:47,571 INFO  L129       PetriNetUnfolder]: 2/67 cut-off events.
[2020-10-16 13:36:47,571 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 13:36:47,576 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. 
[2020-10-16 13:36:47,579 INFO  L117        LiptonReduction]: Number of co-enabled transitions 1260
[2020-10-16 13:36:48,814 INFO  L132        LiptonReduction]: Checked pairs total: 2334
[2020-10-16 13:36:48,814 INFO  L134        LiptonReduction]: Total number of compositions: 56
[2020-10-16 13:36:48,822 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow
[2020-10-16 13:36:48,853 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states.
[2020-10-16 13:36:48,855 INFO  L276                IsEmpty]: Start isEmpty. Operand 362 states.
[2020-10-16 13:36:48,863 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-10-16 13:36:48,864 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:48,865 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:48,865 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:48,871 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:48,872 INFO  L82        PathProgramCache]: Analyzing trace with hash 1626400852, now seen corresponding path program 1 times
[2020-10-16 13:36:48,894 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:48,895 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856417234]
[2020-10-16 13:36:48,895 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:49,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:49,063 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:36:49,064 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856417234]
[2020-10-16 13:36:49,065 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:49,065 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 13:36:49,066 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [674168583]
[2020-10-16 13:36:49,067 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:49,070 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:49,083 INFO  L258    McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions.
[2020-10-16 13:36:49,083 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:49,086 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:49,087 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-10-16 13:36:49,087 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:49,102 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-10-16 13:36:49,103 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-10-16 13:36:49,104 INFO  L87              Difference]: Start difference. First operand 362 states. Second operand 2 states.
[2020-10-16 13:36:49,128 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:49,128 INFO  L93              Difference]: Finished difference Result 362 states and 1072 transitions.
[2020-10-16 13:36:49,129 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-10-16 13:36:49,130 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 8
[2020-10-16 13:36:49,131 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:49,147 INFO  L225             Difference]: With dead ends: 362
[2020-10-16 13:36:49,147 INFO  L226             Difference]: Without dead ends: 298
[2020-10-16 13:36:49,148 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-10-16 13:36:49,175 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 298 states.
[2020-10-16 13:36:49,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298.
[2020-10-16 13:36:49,219 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 298 states.
[2020-10-16 13:36:49,225 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions.
[2020-10-16 13:36:49,226 INFO  L78                 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8
[2020-10-16 13:36:49,227 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:49,228 INFO  L481      AbstractCegarLoop]: Abstraction has 298 states and 864 transitions.
[2020-10-16 13:36:49,228 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-10-16 13:36:49,228 INFO  L276                IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions.
[2020-10-16 13:36:49,229 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-10-16 13:36:49,230 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:49,230 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:49,230 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 13:36:49,230 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:49,231 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:49,231 INFO  L82        PathProgramCache]: Analyzing trace with hash -1121187596, now seen corresponding path program 1 times
[2020-10-16 13:36:49,239 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:49,239 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616802613]
[2020-10-16 13:36:49,240 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:49,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:49,390 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:36:49,391 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616802613]
[2020-10-16 13:36:49,391 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:49,391 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 13:36:49,392 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [490131836]
[2020-10-16 13:36:49,392 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:49,393 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:49,394 INFO  L258    McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions.
[2020-10-16 13:36:49,395 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:49,395 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:49,396 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 13:36:49,397 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:49,397 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 13:36:49,397 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 13:36:49,398 INFO  L87              Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states.
[2020-10-16 13:36:49,436 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:49,436 INFO  L93              Difference]: Finished difference Result 346 states and 956 transitions.
[2020-10-16 13:36:49,437 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 13:36:49,437 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 9
[2020-10-16 13:36:49,437 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:49,440 INFO  L225             Difference]: With dead ends: 346
[2020-10-16 13:36:49,441 INFO  L226             Difference]: Without dead ends: 282
[2020-10-16 13:36:49,442 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
[2020-10-16 13:36:49,448 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2020-10-16 13:36:49,465 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282.
[2020-10-16 13:36:49,466 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 282 states.
[2020-10-16 13:36:49,468 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 804 transitions.
[2020-10-16 13:36:49,468 INFO  L78                 Accepts]: Start accepts. Automaton has 282 states and 804 transitions. Word has length 9
[2020-10-16 13:36:49,468 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:49,469 INFO  L481      AbstractCegarLoop]: Abstraction has 282 states and 804 transitions.
[2020-10-16 13:36:49,469 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 13:36:49,469 INFO  L276                IsEmpty]: Start isEmpty. Operand 282 states and 804 transitions.
[2020-10-16 13:36:49,470 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-10-16 13:36:49,471 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:49,471 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:49,471 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 13:36:49,471 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:49,471 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:49,472 INFO  L82        PathProgramCache]: Analyzing trace with hash -397112394, now seen corresponding path program 1 times
[2020-10-16 13:36:49,473 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:49,473 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925442560]
[2020-10-16 13:36:49,474 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:49,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:49,541 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:36:49,541 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925442560]
[2020-10-16 13:36:49,542 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:49,542 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 13:36:49,542 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1631754143]
[2020-10-16 13:36:49,542 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:49,543 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:49,545 INFO  L258    McrAutomatonBuilder]: Finished intersection with 16 states and 20 transitions.
[2020-10-16 13:36:49,546 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:49,591 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:49,591 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 13:36:49,591 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:49,592 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 13:36:49,592 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 13:36:49,592 INFO  L87              Difference]: Start difference. First operand 282 states and 804 transitions. Second operand 4 states.
[2020-10-16 13:36:49,614 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:49,614 INFO  L93              Difference]: Finished difference Result 310 states and 844 transitions.
[2020-10-16 13:36:49,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 13:36:49,615 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 10
[2020-10-16 13:36:49,615 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:49,618 INFO  L225             Difference]: With dead ends: 310
[2020-10-16 13:36:49,618 INFO  L226             Difference]: Without dead ends: 254
[2020-10-16 13:36:49,618 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:36:49,621 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2020-10-16 13:36:49,634 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254.
[2020-10-16 13:36:49,635 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 254 states.
[2020-10-16 13:36:49,636 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 708 transitions.
[2020-10-16 13:36:49,637 INFO  L78                 Accepts]: Start accepts. Automaton has 254 states and 708 transitions. Word has length 10
[2020-10-16 13:36:49,637 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:49,637 INFO  L481      AbstractCegarLoop]: Abstraction has 254 states and 708 transitions.
[2020-10-16 13:36:49,637 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 13:36:49,637 INFO  L276                IsEmpty]: Start isEmpty. Operand 254 states and 708 transitions.
[2020-10-16 13:36:49,639 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-10-16 13:36:49,639 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:49,639 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:49,640 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 13:36:49,640 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:49,640 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:49,640 INFO  L82        PathProgramCache]: Analyzing trace with hash 2136948955, now seen corresponding path program 1 times
[2020-10-16 13:36:49,644 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:49,645 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459971104]
[2020-10-16 13:36:49,645 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:49,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:49,753 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:36:49,754 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459971104]
[2020-10-16 13:36:49,754 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:49,754 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 13:36:49,755 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2015931006]
[2020-10-16 13:36:49,755 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:49,756 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:49,759 INFO  L258    McrAutomatonBuilder]: Finished intersection with 24 states and 38 transitions.
[2020-10-16 13:36:49,759 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:49,824 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:49,824 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 13:36:49,824 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:49,825 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 13:36:49,825 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:36:49,825 INFO  L87              Difference]: Start difference. First operand 254 states and 708 transitions. Second operand 5 states.
[2020-10-16 13:36:49,869 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:49,869 INFO  L93              Difference]: Finished difference Result 320 states and 860 transitions.
[2020-10-16 13:36:49,870 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 13:36:49,870 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2020-10-16 13:36:49,870 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:49,872 INFO  L225             Difference]: With dead ends: 320
[2020-10-16 13:36:49,872 INFO  L226             Difference]: Without dead ends: 158
[2020-10-16 13:36:49,872 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-10-16 13:36:49,873 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2020-10-16 13:36:49,879 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158.
[2020-10-16 13:36:49,880 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 158 states.
[2020-10-16 13:36:49,881 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 396 transitions.
[2020-10-16 13:36:49,881 INFO  L78                 Accepts]: Start accepts. Automaton has 158 states and 396 transitions. Word has length 11
[2020-10-16 13:36:49,881 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:49,881 INFO  L481      AbstractCegarLoop]: Abstraction has 158 states and 396 transitions.
[2020-10-16 13:36:49,881 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 13:36:49,881 INFO  L276                IsEmpty]: Start isEmpty. Operand 158 states and 396 transitions.
[2020-10-16 13:36:49,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 13:36:49,883 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:49,883 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:49,883 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 13:36:49,883 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:49,884 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:49,884 INFO  L82        PathProgramCache]: Analyzing trace with hash 625195173, now seen corresponding path program 1 times
[2020-10-16 13:36:49,885 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:49,885 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176625984]
[2020-10-16 13:36:49,886 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:49,902 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:49,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:36:49,934 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176625984]
[2020-10-16 13:36:49,934 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:49,934 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 13:36:49,935 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1316729166]
[2020-10-16 13:36:49,935 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:49,936 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:49,939 INFO  L258    McrAutomatonBuilder]: Finished intersection with 26 states and 38 transitions.
[2020-10-16 13:36:49,939 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:49,993 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:49,994 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 13:36:49,994 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:49,994 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 13:36:49,995 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 13:36:49,995 INFO  L87              Difference]: Start difference. First operand 158 states and 396 transitions. Second operand 4 states.
[2020-10-16 13:36:50,011 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:50,012 INFO  L93              Difference]: Finished difference Result 170 states and 410 transitions.
[2020-10-16 13:36:50,012 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 13:36:50,012 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-10-16 13:36:50,013 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:50,014 INFO  L225             Difference]: With dead ends: 170
[2020-10-16 13:36:50,014 INFO  L226             Difference]: Without dead ends: 146
[2020-10-16 13:36:50,014 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:36:50,015 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2020-10-16 13:36:50,020 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146.
[2020-10-16 13:36:50,020 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 146 states.
[2020-10-16 13:36:50,021 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 358 transitions.
[2020-10-16 13:36:50,021 INFO  L78                 Accepts]: Start accepts. Automaton has 146 states and 358 transitions. Word has length 12
[2020-10-16 13:36:50,021 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:50,021 INFO  L481      AbstractCegarLoop]: Abstraction has 146 states and 358 transitions.
[2020-10-16 13:36:50,021 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 13:36:50,022 INFO  L276                IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions.
[2020-10-16 13:36:50,023 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-10-16 13:36:50,023 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:50,023 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:50,023 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 13:36:50,024 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:50,024 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:50,024 INFO  L82        PathProgramCache]: Analyzing trace with hash 1939864517, now seen corresponding path program 1 times
[2020-10-16 13:36:50,025 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:50,026 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929471184]
[2020-10-16 13:36:50,026 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:50,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:50,092 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:36:50,092 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929471184]
[2020-10-16 13:36:50,093 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:50,093 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 13:36:50,093 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1244186437]
[2020-10-16 13:36:50,093 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:50,111 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:50,117 INFO  L258    McrAutomatonBuilder]: Finished intersection with 34 states and 56 transitions.
[2020-10-16 13:36:50,117 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:50,191 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:50,191 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 13:36:50,192 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:50,192 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 13:36:50,192 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:36:50,192 INFO  L87              Difference]: Start difference. First operand 146 states and 358 transitions. Second operand 5 states.
[2020-10-16 13:36:50,233 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:50,233 INFO  L93              Difference]: Finished difference Result 176 states and 423 transitions.
[2020-10-16 13:36:50,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 13:36:50,234 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2020-10-16 13:36:50,234 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:50,235 INFO  L225             Difference]: With dead ends: 176
[2020-10-16 13:36:50,235 INFO  L226             Difference]: Without dead ends: 98
[2020-10-16 13:36:50,236 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-10-16 13:36:50,236 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2020-10-16 13:36:50,239 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98.
[2020-10-16 13:36:50,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 98 states.
[2020-10-16 13:36:50,240 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions.
[2020-10-16 13:36:50,240 INFO  L78                 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13
[2020-10-16 13:36:50,240 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:50,240 INFO  L481      AbstractCegarLoop]: Abstraction has 98 states and 218 transitions.
[2020-10-16 13:36:50,240 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 13:36:50,240 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions.
[2020-10-16 13:36:50,241 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 13:36:50,241 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:50,241 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:50,242 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-16 13:36:50,242 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:50,242 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:50,242 INFO  L82        PathProgramCache]: Analyzing trace with hash -484565939, now seen corresponding path program 1 times
[2020-10-16 13:36:50,243 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:50,244 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488840864]
[2020-10-16 13:36:50,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:50,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:50,282 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:36:50,283 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488840864]
[2020-10-16 13:36:50,283 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:50,283 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 13:36:50,283 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1736257732]
[2020-10-16 13:36:50,284 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:50,285 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:50,289 INFO  L258    McrAutomatonBuilder]: Finished intersection with 32 states and 48 transitions.
[2020-10-16 13:36:50,290 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:50,305 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:50,326 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:50,337 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:50,346 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:50,356 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:50,393 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [5007#(not (= 3 ~__unbuffered_cnt~0))]
[2020-10-16 13:36:50,393 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 13:36:50,393 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:50,394 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 13:36:50,394 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:36:50,394 INFO  L87              Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states.
[2020-10-16 13:36:50,443 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:50,444 INFO  L93              Difference]: Finished difference Result 90 states and 177 transitions.
[2020-10-16 13:36:50,444 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 13:36:50,444 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2020-10-16 13:36:50,444 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:50,445 INFO  L225             Difference]: With dead ends: 90
[2020-10-16 13:36:50,445 INFO  L226             Difference]: Without dead ends: 68
[2020-10-16 13:36:50,446 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-10-16 13:36:50,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2020-10-16 13:36:50,448 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2020-10-16 13:36:50,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 68 states.
[2020-10-16 13:36:50,449 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 125 transitions.
[2020-10-16 13:36:50,449 INFO  L78                 Accepts]: Start accepts. Automaton has 68 states and 125 transitions. Word has length 14
[2020-10-16 13:36:50,449 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:50,449 INFO  L481      AbstractCegarLoop]: Abstraction has 68 states and 125 transitions.
[2020-10-16 13:36:50,449 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 13:36:50,449 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions.
[2020-10-16 13:36:50,450 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2020-10-16 13:36:50,450 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:50,450 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:50,451 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-16 13:36:50,451 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:50,451 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:50,451 INFO  L82        PathProgramCache]: Analyzing trace with hash -1105925332, now seen corresponding path program 1 times
[2020-10-16 13:36:50,452 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:50,453 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845491201]
[2020-10-16 13:36:50,453 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:50,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:50,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:36:50,501 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845491201]
[2020-10-16 13:36:50,502 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:50,502 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 13:36:50,502 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1702162511]
[2020-10-16 13:36:50,502 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:50,504 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:50,511 INFO  L258    McrAutomatonBuilder]: Finished intersection with 44 states and 74 transitions.
[2020-10-16 13:36:50,511 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:50,529 INFO  L603       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 13:36:50,621 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [5244#(<= ~__unbuffered_cnt~0 0)]
[2020-10-16 13:36:50,621 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 13:36:50,621 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:50,621 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 13:36:50,622 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-10-16 13:36:50,622 INFO  L87              Difference]: Start difference. First operand 68 states and 125 transitions. Second operand 7 states.
[2020-10-16 13:36:50,668 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:50,669 INFO  L93              Difference]: Finished difference Result 61 states and 109 transitions.
[2020-10-16 13:36:50,669 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 13:36:50,669 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 16
[2020-10-16 13:36:50,669 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:50,670 INFO  L225             Difference]: With dead ends: 61
[2020-10-16 13:36:50,670 INFO  L226             Difference]: Without dead ends: 55
[2020-10-16 13:36:50,671 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2020-10-16 13:36:50,671 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2020-10-16 13:36:50,672 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2020-10-16 13:36:50,672 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 55 states.
[2020-10-16 13:36:50,673 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions.
[2020-10-16 13:36:50,673 INFO  L78                 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 16
[2020-10-16 13:36:50,673 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:50,673 INFO  L481      AbstractCegarLoop]: Abstraction has 55 states and 99 transitions.
[2020-10-16 13:36:50,673 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 13:36:50,673 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions.
[2020-10-16 13:36:50,674 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-10-16 13:36:50,674 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:36:50,674 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:36:50,674 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-10-16 13:36:50,674 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:36:50,675 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:36:50,675 INFO  L82        PathProgramCache]: Analyzing trace with hash 1123595488, now seen corresponding path program 1 times
[2020-10-16 13:36:50,676 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:36:50,676 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613583898]
[2020-10-16 13:36:50,676 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:36:50,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:36:50,715 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:36:50,716 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613583898]
[2020-10-16 13:36:50,716 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:36:50,716 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 13:36:50,717 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1365567618]
[2020-10-16 13:36:50,717 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:36:50,719 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:36:50,724 INFO  L258    McrAutomatonBuilder]: Finished intersection with 43 states and 70 transitions.
[2020-10-16 13:36:50,724 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:36:50,728 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:36:50,729 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 13:36:50,729 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:36:50,729 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 13:36:50,729 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 13:36:50,730 INFO  L87              Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 4 states.
[2020-10-16 13:36:50,740 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:36:50,741 INFO  L93              Difference]: Finished difference Result 54 states and 98 transitions.
[2020-10-16 13:36:50,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 13:36:50,741 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 18
[2020-10-16 13:36:50,741 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:36:50,742 INFO  L225             Difference]: With dead ends: 54
[2020-10-16 13:36:50,742 INFO  L226             Difference]: Without dead ends: 0
[2020-10-16 13:36:50,742 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:36:50,742 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-10-16 13:36:50,743 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-10-16 13:36:50,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-10-16 13:36:50,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-10-16 13:36:50,743 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2020-10-16 13:36:50,743 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:36:50,743 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-10-16 13:36:50,743 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 13:36:50,744 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-10-16 13:36:50,744 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-10-16 13:36:50,744 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-10-16 13:36:50,747 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:36:50 BasicIcfg
[2020-10-16 13:36:50,748 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 13:36:50,750 INFO  L168              Benchmark]: Toolchain (without parser) took 4582.34 ms. Allocated memory was 140.5 MB in the beginning and 245.4 MB in the end (delta: 104.9 MB). Free memory was 102.5 MB in the beginning and 95.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 112.0 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:50,751 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB.
[2020-10-16 13:36:50,752 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 713.82 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.1 MB in the beginning and 163.7 MB in the end (delta: -61.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:50,753 INFO  L168              Benchmark]: Boogie Procedure Inliner took 50.09 ms. Allocated memory is still 205.5 MB. Free memory was 163.7 MB in the beginning and 161.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:50,754 INFO  L168              Benchmark]: Boogie Preprocessor took 27.43 ms. Allocated memory is still 205.5 MB. Free memory was 161.6 MB in the beginning and 159.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:50,754 INFO  L168              Benchmark]: RCFGBuilder took 395.33 ms. Allocated memory is still 205.5 MB. Free memory was 159.7 MB in the beginning and 138.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:50,755 INFO  L168              Benchmark]: TraceAbstraction took 3389.45 ms. Allocated memory was 205.5 MB in the beginning and 245.4 MB in the end (delta: 39.8 MB). Free memory was 137.2 MB in the beginning and 95.3 MB in the end (delta: 41.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB.
[2020-10-16 13:36:50,759 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 713.82 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.1 MB in the beginning and 163.7 MB in the end (delta: -61.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 50.09 ms. Allocated memory is still 205.5 MB. Free memory was 163.7 MB in the beginning and 161.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 27.43 ms. Allocated memory is still 205.5 MB. Free memory was 161.6 MB in the beginning and 159.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 395.33 ms. Allocated memory is still 205.5 MB. Free memory was 159.7 MB in the beginning and 138.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 3389.45 ms. Allocated memory was 205.5 MB in the beginning and 245.4 MB in the end (delta: 39.8 MB). Free memory was 137.2 MB in the beginning and 95.3 MB in the end (delta: 41.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    643 VarBasedMoverChecksPositive, 18 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 51 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 78 PlacesBefore, 32 PlacesAfterwards, 70 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 2334 MoverChecksTotal
  - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 193 SDtfs, 160 SDslu, 286 SDs, 0 SdLazy, 107 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 116 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 3231 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...