/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc.i


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


This is Ultimate 0.1.25-b09bf87
[2020-10-16 12:05:41,995 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-16 12:05:41,998 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 12:05:42,039 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 12:05:42,039 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 12:05:42,047 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 12:05:42,050 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-10-16 12:05:42,070 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 12:05:42,072 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 12:05:42,073 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 12:05:42,074 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 12:05:42,084 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 12:05:42,086 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 12:05:42,087 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 12:05:42,088 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 12:05:42,088 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 12:05:42,100 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-10-16 12:05:42,101 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 12:05:42,102 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-16 12:05:42,103 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2020-10-16 12:05:42,104 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-10-16 12:05:42,109 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 12:05:42,112 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 12:05:42,113 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.epf
[2020-10-16 12:05:42,154 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-16 12:05:42,154 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 12:05:42,156 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 12:05:42,156 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-16 12:05:42,156 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-16 12:05:42,156 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 12:05:42,157 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-16 12:05:42,157 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-16 12:05:42,157 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-16 12:05:42,157 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-16 12:05:42,158 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 12:05:42,159 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 12:05:42,159 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 12:05:42,159 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-16 12:05:42,159 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-16 12:05:42,160 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-16 12:05:42,160 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-16 12:05:42,160 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 12:05:42,160 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-16 12:05:42,160 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-16 12:05:42,161 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-16 12:05:42,161 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 12:05:42,161 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 12:05:42,161 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 12:05:42,161 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 12:05:42,162 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-16 12:05:42,162 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 12:05:42,162 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 12:05:42,162 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 12:05:42,457 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 12:05:42,469 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 12:05:42,472 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 12:05:42,473 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-16 12:05:42,474 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-16 12:05:42,475 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc.i
[2020-10-16 12:05:42,523 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86d2a3e67/d50b31c71b9b4f298fa74bc5bdac9412/FLAG11d6fb669
[2020-10-16 12:05:43,112 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-16 12:05:43,113 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc.i
[2020-10-16 12:05:43,132 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86d2a3e67/d50b31c71b9b4f298fa74bc5bdac9412/FLAG11d6fb669
[2020-10-16 12:05:43,370 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86d2a3e67/d50b31c71b9b4f298fa74bc5bdac9412
[2020-10-16 12:05:43,379 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 12:05:43,381 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 12:05:43,382 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 12:05:43,383 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 12:05:43,386 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 12:05:43,387 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:43" (1/1) ...
[2020-10-16 12:05:43,390 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132a106a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:43, skipping insertion in model container
[2020-10-16 12:05:43,391 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:43" (1/1) ...
[2020-10-16 12:05:43,399 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-16 12:05:43,447 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-16 12:05:43,996 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:05:44,008 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-16 12:05:44,082 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:05:44,172 INFO  L208         MainTranslator]: Completed translation
[2020-10-16 12:05:44,173 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44 WrapperNode
[2020-10-16 12:05:44,174 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 12:05:44,175 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 12:05:44,175 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 12:05:44,175 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 12:05:44,183 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (1/1) ...
[2020-10-16 12:05:44,210 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (1/1) ...
[2020-10-16 12:05:44,250 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 12:05:44,250 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 12:05:44,250 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 12:05:44,250 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 12:05:44,260 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (1/1) ...
[2020-10-16 12:05:44,261 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (1/1) ...
[2020-10-16 12:05:44,266 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (1/1) ...
[2020-10-16 12:05:44,266 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (1/1) ...
[2020-10-16 12:05:44,283 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (1/1) ...
[2020-10-16 12:05:44,289 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (1/1) ...
[2020-10-16 12:05:44,310 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (1/1) ...
[2020-10-16 12:05:44,321 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 12:05:44,322 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 12:05:44,322 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 12:05:44,322 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-16 12:05:44,325 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (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 12:05:44,417 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 12:05:44,417 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 12:05:44,418 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 12:05:44,418 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 12:05:44,418 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 12:05:44,419 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 12:05:44,419 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 12:05:44,419 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 12:05:44,421 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 12:05:44,421 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 12:05:44,423 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 12:05:44,426 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 12:05:48,084 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 12:05:48,084 INFO  L298             CfgBuilder]: Removed 10 assume(true) statements.
[2020-10-16 12:05:48,087 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:48 BoogieIcfgContainer
[2020-10-16 12:05:48,088 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 12:05:48,089 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 12:05:48,089 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 12:05:48,093 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-16 12:05:48,093 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:05:43" (1/3) ...
[2020-10-16 12:05:48,095 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344d370b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:48, skipping insertion in model container
[2020-10-16 12:05:48,095 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:44" (2/3) ...
[2020-10-16 12:05:48,096 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344d370b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:48, skipping insertion in model container
[2020-10-16 12:05:48,096 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:48" (3/3) ...
[2020-10-16 12:05:48,099 INFO  L111   eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc.i
[2020-10-16 12:05:48,112 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 12:05:48,112 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 12:05:48,124 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2020-10-16 12:05:48,126 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 12:05:48,172 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,173 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,173 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,173 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,173 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,174 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,174 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,174 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,174 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,174 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,175 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,175 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,175 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,176 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,177 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,177 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,177 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,177 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,177 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,177 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,178 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,178 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,178 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,178 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,178 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,178 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,178 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,179 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,179 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,179 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,179 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,179 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,179 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,180 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,181 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,181 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,181 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,182 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,182 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,182 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,182 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,182 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,183 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,183 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,184 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,184 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,184 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,185 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,185 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,185 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,185 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,185 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,186 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,187 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,187 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,187 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,187 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,187 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,188 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,193 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,193 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,193 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,194 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,194 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,194 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,194 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,194 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,194 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,196 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,197 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,198 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,198 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,203 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,204 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,204 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,204 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,204 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,204 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,205 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,205 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,205 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,205 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,205 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,206 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,206 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,206 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,206 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,206 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,206 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,207 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,207 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,207 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,207 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,207 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,208 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,208 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,208 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,208 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,208 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,208 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,209 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,209 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,209 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,209 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,209 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,209 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,210 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,210 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,210 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,210 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,210 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,213 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,214 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,214 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,214 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,214 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,214 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,215 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,215 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,215 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,215 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,215 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,215 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,216 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,216 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,216 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,216 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,216 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,217 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,217 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,217 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,217 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,217 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,217 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,218 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,218 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,218 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,218 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,218 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,219 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,220 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,220 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:05:48,221 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 12:05:48,235 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-16 12:05:48,256 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-16 12:05:48,256 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-16 12:05:48,256 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 12:05:48,256 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-16 12:05:48,257 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 12:05:48,257 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-16 12:05:48,257 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 12:05:48,257 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 12:05:48,270 INFO  L137   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 12:05:48,271 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 170 flow
[2020-10-16 12:05:48,274 INFO  L111        LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 170 flow
[2020-10-16 12:05:48,276 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow
[2020-10-16 12:05:48,318 INFO  L129       PetriNetUnfolder]: 2/78 cut-off events.
[2020-10-16 12:05:48,318 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 12:05:48,323 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 85 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. 
[2020-10-16 12:05:48,326 INFO  L117        LiptonReduction]: Number of co-enabled transitions 1088
[2020-10-16 12:05:49,068 WARN  L193               SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58
[2020-10-16 12:05:49,192 WARN  L193               SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53
[2020-10-16 12:05:51,182 WARN  L193               SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 231 DAG size of output: 191
[2020-10-16 12:05:51,217 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 2, 1] term
[2020-10-16 12:05:51,217 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 12:05:51,220 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term
[2020-10-16 12:05:51,220 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 12:05:51,908 WARN  L193               SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 111
[2020-10-16 12:05:53,029 WARN  L193               SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 234 DAG size of output: 193
[2020-10-16 12:05:53,068 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 1] term
[2020-10-16 12:05:53,068 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 12:05:53,070 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term
[2020-10-16 12:05:53,071 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 12:05:54,048 WARN  L193               SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121
[2020-10-16 12:05:54,605 WARN  L193               SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 127
[2020-10-16 12:05:54,928 WARN  L193               SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 127
[2020-10-16 12:05:55,138 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83
[2020-10-16 12:05:55,256 INFO  L132        LiptonReduction]: Checked pairs total: 3014
[2020-10-16 12:05:55,256 INFO  L134        LiptonReduction]: Total number of compositions: 71
[2020-10-16 12:05:55,269 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions, 52 flow
[2020-10-16 12:05:55,325 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states.
[2020-10-16 12:05:55,327 INFO  L276                IsEmpty]: Start isEmpty. Operand 224 states.
[2020-10-16 12:05:55,338 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2020-10-16 12:05:55,338 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:55,339 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2020-10-16 12:05:55,339 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:55,346 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:55,348 INFO  L82        PathProgramCache]: Analyzing trace with hash 1584834182, now seen corresponding path program 1 times
[2020-10-16 12:05:55,360 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:55,361 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279661001]
[2020-10-16 12:05:55,361 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:05:55,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:05:55,679 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 12:05:55,681 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279661001]
[2020-10-16 12:05:55,682 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:05:55,682 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:05:55,683 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384590101]
[2020-10-16 12:05:55,688 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:05:55,688 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:05:55,703 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:05:55,704 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:05:55,706 INFO  L87              Difference]: Start difference. First operand 224 states. Second operand 3 states.
[2020-10-16 12:05:55,825 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:05:55,825 INFO  L93              Difference]: Finished difference Result 194 states and 468 transitions.
[2020-10-16 12:05:55,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:05:55,828 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 5
[2020-10-16 12:05:55,828 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:05:55,840 INFO  L225             Difference]: With dead ends: 194
[2020-10-16 12:05:55,840 INFO  L226             Difference]: Without dead ends: 158
[2020-10-16 12:05:55,842 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
[2020-10-16 12:05:55,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2020-10-16 12:05:55,889 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158.
[2020-10-16 12:05:55,890 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 158 states.
[2020-10-16 12:05:55,894 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 372 transitions.
[2020-10-16 12:05:55,895 INFO  L78                 Accepts]: Start accepts. Automaton has 158 states and 372 transitions. Word has length 5
[2020-10-16 12:05:55,896 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:05:55,896 INFO  L481      AbstractCegarLoop]: Abstraction has 158 states and 372 transitions.
[2020-10-16 12:05:55,896 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:05:55,896 INFO  L276                IsEmpty]: Start isEmpty. Operand 158 states and 372 transitions.
[2020-10-16 12:05:55,897 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2020-10-16 12:05:55,897 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:55,897 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:05:55,898 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 12:05:55,898 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:55,898 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:55,898 INFO  L82        PathProgramCache]: Analyzing trace with hash -1687676777, now seen corresponding path program 1 times
[2020-10-16 12:05:55,898 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:55,899 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042476923]
[2020-10-16 12:05:55,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:05:55,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:05:56,049 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 12:05:56,050 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042476923]
[2020-10-16 12:05:56,050 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:05:56,050 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:05:56,050 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139254642]
[2020-10-16 12:05:56,052 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:05:56,052 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:05:56,053 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:05:56,053 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:05:56,053 INFO  L87              Difference]: Start difference. First operand 158 states and 372 transitions. Second operand 3 states.
[2020-10-16 12:05:56,072 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:05:56,072 INFO  L93              Difference]: Finished difference Result 140 states and 321 transitions.
[2020-10-16 12:05:56,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:05:56,073 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 7
[2020-10-16 12:05:56,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:05:56,075 INFO  L225             Difference]: With dead ends: 140
[2020-10-16 12:05:56,075 INFO  L226             Difference]: Without dead ends: 140
[2020-10-16 12:05:56,076 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
[2020-10-16 12:05:56,077 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 140 states.
[2020-10-16 12:05:56,088 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140.
[2020-10-16 12:05:56,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 140 states.
[2020-10-16 12:05:56,090 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 321 transitions.
[2020-10-16 12:05:56,090 INFO  L78                 Accepts]: Start accepts. Automaton has 140 states and 321 transitions. Word has length 7
[2020-10-16 12:05:56,090 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:05:56,090 INFO  L481      AbstractCegarLoop]: Abstraction has 140 states and 321 transitions.
[2020-10-16 12:05:56,090 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:05:56,091 INFO  L276                IsEmpty]: Start isEmpty. Operand 140 states and 321 transitions.
[2020-10-16 12:05:56,092 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-10-16 12:05:56,092 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:56,092 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:05:56,092 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 12:05:56,092 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:56,093 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:56,093 INFO  L82        PathProgramCache]: Analyzing trace with hash 1240353734, now seen corresponding path program 1 times
[2020-10-16 12:05:56,093 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:56,093 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966757495]
[2020-10-16 12:05:56,093 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:05:56,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:05:56,214 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 12:05:56,215 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966757495]
[2020-10-16 12:05:56,215 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:05:56,215 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:05:56,215 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224310765]
[2020-10-16 12:05:56,216 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:05:56,216 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:05:56,216 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:05:56,216 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:05:56,217 INFO  L87              Difference]: Start difference. First operand 140 states and 321 transitions. Second operand 3 states.
[2020-10-16 12:05:56,225 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:05:56,226 INFO  L93              Difference]: Finished difference Result 134 states and 305 transitions.
[2020-10-16 12:05:56,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:05:56,227 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2020-10-16 12:05:56,227 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:05:56,228 INFO  L225             Difference]: With dead ends: 134
[2020-10-16 12:05:56,229 INFO  L226             Difference]: Without dead ends: 134
[2020-10-16 12:05:56,229 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
[2020-10-16 12:05:56,230 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2020-10-16 12:05:56,239 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134.
[2020-10-16 12:05:56,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 134 states.
[2020-10-16 12:05:56,240 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 305 transitions.
[2020-10-16 12:05:56,240 INFO  L78                 Accepts]: Start accepts. Automaton has 134 states and 305 transitions. Word has length 10
[2020-10-16 12:05:56,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:05:56,241 INFO  L481      AbstractCegarLoop]: Abstraction has 134 states and 305 transitions.
[2020-10-16 12:05:56,241 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:05:56,241 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 305 transitions.
[2020-10-16 12:05:56,242 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 12:05:56,242 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:56,243 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:05:56,243 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 12:05:56,243 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:56,243 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:56,243 INFO  L82        PathProgramCache]: Analyzing trace with hash -2020937412, now seen corresponding path program 1 times
[2020-10-16 12:05:56,244 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:56,244 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167311835]
[2020-10-16 12:05:56,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:05:56,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:05:56,637 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 12:05:56,637 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167311835]
[2020-10-16 12:05:56,637 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:05:56,638 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-16 12:05:56,638 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413617354]
[2020-10-16 12:05:56,638 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-10-16 12:05:56,638 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:05:56,639 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-10-16 12:05:56,639 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-10-16 12:05:56,639 INFO  L87              Difference]: Start difference. First operand 134 states and 305 transitions. Second operand 8 states.
[2020-10-16 12:05:57,139 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:05:57,139 INFO  L93              Difference]: Finished difference Result 158 states and 363 transitions.
[2020-10-16 12:05:57,140 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-10-16 12:05:57,140 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 12
[2020-10-16 12:05:57,140 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:05:57,143 INFO  L225             Difference]: With dead ends: 158
[2020-10-16 12:05:57,144 INFO  L226             Difference]: Without dead ends: 158
[2020-10-16 12:05:57,144 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156
[2020-10-16 12:05:57,145 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2020-10-16 12:05:57,156 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 152.
[2020-10-16 12:05:57,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 152 states.
[2020-10-16 12:05:57,158 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 347 transitions.
[2020-10-16 12:05:57,158 INFO  L78                 Accepts]: Start accepts. Automaton has 152 states and 347 transitions. Word has length 12
[2020-10-16 12:05:57,158 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:05:57,158 INFO  L481      AbstractCegarLoop]: Abstraction has 152 states and 347 transitions.
[2020-10-16 12:05:57,158 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-10-16 12:05:57,158 INFO  L276                IsEmpty]: Start isEmpty. Operand 152 states and 347 transitions.
[2020-10-16 12:05:57,160 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 12:05:57,160 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:57,160 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:05:57,160 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 12:05:57,160 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:57,161 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:57,161 INFO  L82        PathProgramCache]: Analyzing trace with hash -2063496646, now seen corresponding path program 2 times
[2020-10-16 12:05:57,161 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:57,161 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710522144]
[2020-10-16 12:05:57,162 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:05:57,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:05:57,512 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 12:05:57,512 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710522144]
[2020-10-16 12:05:57,512 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:05:57,513 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-16 12:05:57,513 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163202872]
[2020-10-16 12:05:57,513 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-10-16 12:05:57,513 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:05:57,514 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-10-16 12:05:57,517 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-10-16 12:05:57,518 INFO  L87              Difference]: Start difference. First operand 152 states and 347 transitions. Second operand 8 states.
[2020-10-16 12:05:57,776 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:05:57,776 INFO  L93              Difference]: Finished difference Result 164 states and 379 transitions.
[2020-10-16 12:05:57,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 12:05:57,778 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 12
[2020-10-16 12:05:57,778 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:05:57,779 INFO  L225             Difference]: With dead ends: 164
[2020-10-16 12:05:57,779 INFO  L226             Difference]: Without dead ends: 164
[2020-10-16 12:05:57,781 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-10-16 12:05:57,782 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2020-10-16 12:05:57,798 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158.
[2020-10-16 12:05:57,798 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 158 states.
[2020-10-16 12:05:57,805 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 363 transitions.
[2020-10-16 12:05:57,805 INFO  L78                 Accepts]: Start accepts. Automaton has 158 states and 363 transitions. Word has length 12
[2020-10-16 12:05:57,808 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:05:57,808 INFO  L481      AbstractCegarLoop]: Abstraction has 158 states and 363 transitions.
[2020-10-16 12:05:57,809 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-10-16 12:05:57,809 INFO  L276                IsEmpty]: Start isEmpty. Operand 158 states and 363 transitions.
[2020-10-16 12:05:57,810 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 12:05:57,810 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:57,810 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:05:57,811 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 12:05:57,811 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:57,813 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:57,814 INFO  L82        PathProgramCache]: Analyzing trace with hash -1640023526, now seen corresponding path program 3 times
[2020-10-16 12:05:57,814 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:57,814 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365888818]
[2020-10-16 12:05:57,814 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:05:57,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:05:57,991 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 12:05:57,991 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365888818]
[2020-10-16 12:05:57,992 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:05:57,992 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:05:57,992 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902021394]
[2020-10-16 12:05:57,993 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 12:05:57,993 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:05:57,993 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 12:05:57,993 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-10-16 12:05:57,993 INFO  L87              Difference]: Start difference. First operand 158 states and 363 transitions. Second operand 6 states.
[2020-10-16 12:05:58,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:05:58,192 INFO  L93              Difference]: Finished difference Result 181 states and 418 transitions.
[2020-10-16 12:05:58,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 12:05:58,194 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 12
[2020-10-16 12:05:58,194 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:05:58,196 INFO  L225             Difference]: With dead ends: 181
[2020-10-16 12:05:58,196 INFO  L226             Difference]: Without dead ends: 181
[2020-10-16 12:05:58,196 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-10-16 12:05:58,198 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 181 states.
[2020-10-16 12:05:58,204 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 154.
[2020-10-16 12:05:58,204 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 154 states.
[2020-10-16 12:05:58,205 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 349 transitions.
[2020-10-16 12:05:58,206 INFO  L78                 Accepts]: Start accepts. Automaton has 154 states and 349 transitions. Word has length 12
[2020-10-16 12:05:58,206 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:05:58,206 INFO  L481      AbstractCegarLoop]: Abstraction has 154 states and 349 transitions.
[2020-10-16 12:05:58,206 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 12:05:58,206 INFO  L276                IsEmpty]: Start isEmpty. Operand 154 states and 349 transitions.
[2020-10-16 12:05:58,208 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-10-16 12:05:58,208 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:58,208 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:05:58,209 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-16 12:05:58,209 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:58,209 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:58,209 INFO  L82        PathProgramCache]: Analyzing trace with hash 1775449093, now seen corresponding path program 1 times
[2020-10-16 12:05:58,209 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:58,210 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598117722]
[2020-10-16 12:05:58,210 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:05:58,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:05:58,323 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 12:05:58,324 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598117722]
[2020-10-16 12:05:58,324 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:05:58,324 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 12:05:58,325 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495867037]
[2020-10-16 12:05:58,325 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:05:58,325 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:05:58,325 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:05:58,326 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:05:58,326 INFO  L87              Difference]: Start difference. First operand 154 states and 349 transitions. Second operand 5 states.
[2020-10-16 12:05:58,475 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:05:58,475 INFO  L93              Difference]: Finished difference Result 170 states and 383 transitions.
[2020-10-16 12:05:58,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 12:05:58,482 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2020-10-16 12:05:58,482 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:05:58,483 INFO  L225             Difference]: With dead ends: 170
[2020-10-16 12:05:58,483 INFO  L226             Difference]: Without dead ends: 170
[2020-10-16 12:05:58,484 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2020-10-16 12:05:58,484 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2020-10-16 12:05:58,488 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 156.
[2020-10-16 12:05:58,489 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 156 states.
[2020-10-16 12:05:58,490 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 351 transitions.
[2020-10-16 12:05:58,490 INFO  L78                 Accepts]: Start accepts. Automaton has 156 states and 351 transitions. Word has length 13
[2020-10-16 12:05:58,490 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:05:58,490 INFO  L481      AbstractCegarLoop]: Abstraction has 156 states and 351 transitions.
[2020-10-16 12:05:58,490 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:05:58,490 INFO  L276                IsEmpty]: Start isEmpty. Operand 156 states and 351 transitions.
[2020-10-16 12:05:58,492 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-10-16 12:05:58,492 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:58,492 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:05:58,492 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-16 12:05:58,493 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:58,493 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:58,493 INFO  L82        PathProgramCache]: Analyzing trace with hash 1775448814, now seen corresponding path program 1 times
[2020-10-16 12:05:58,493 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:58,494 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283621080]
[2020-10-16 12:05:58,494 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:05:58,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:05:58,921 WARN  L193               SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27
[2020-10-16 12:05:59,060 WARN  L193               SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21
[2020-10-16 12:05:59,199 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 12:05:59,199 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283621080]
[2020-10-16 12:05:59,200 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:05:59,200 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-10-16 12:05:59,200 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891604248]
[2020-10-16 12:05:59,200 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-16 12:05:59,201 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:05:59,201 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-16 12:05:59,201 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2020-10-16 12:05:59,201 INFO  L87              Difference]: Start difference. First operand 156 states and 351 transitions. Second operand 9 states.
[2020-10-16 12:05:59,556 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:05:59,556 INFO  L93              Difference]: Finished difference Result 174 states and 393 transitions.
[2020-10-16 12:05:59,557 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 12:05:59,557 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 13
[2020-10-16 12:05:59,557 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:05:59,559 INFO  L225             Difference]: With dead ends: 174
[2020-10-16 12:05:59,559 INFO  L226             Difference]: Without dead ends: 174
[2020-10-16 12:05:59,559 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110
[2020-10-16 12:05:59,560 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2020-10-16 12:05:59,564 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 162.
[2020-10-16 12:05:59,564 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 162 states.
[2020-10-16 12:05:59,565 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 367 transitions.
[2020-10-16 12:05:59,565 INFO  L78                 Accepts]: Start accepts. Automaton has 162 states and 367 transitions. Word has length 13
[2020-10-16 12:05:59,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:05:59,566 INFO  L481      AbstractCegarLoop]: Abstraction has 162 states and 367 transitions.
[2020-10-16 12:05:59,566 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-16 12:05:59,566 INFO  L276                IsEmpty]: Start isEmpty. Operand 162 states and 367 transitions.
[2020-10-16 12:05:59,567 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-10-16 12:05:59,567 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:59,567 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:05:59,567 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-10-16 12:05:59,568 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:59,568 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:59,568 INFO  L82        PathProgramCache]: Analyzing trace with hash 456112560, now seen corresponding path program 2 times
[2020-10-16 12:05:59,568 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:59,568 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097020001]
[2020-10-16 12:05:59,569 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:05:59,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:05:59,819 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 12:05:59,820 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097020001]
[2020-10-16 12:05:59,820 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:05:59,821 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:05:59,821 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454232102]
[2020-10-16 12:05:59,822 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 12:05:59,822 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:05:59,822 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 12:05:59,823 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-10-16 12:05:59,823 INFO  L87              Difference]: Start difference. First operand 162 states and 367 transitions. Second operand 6 states.
[2020-10-16 12:05:59,955 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:05:59,955 INFO  L93              Difference]: Finished difference Result 181 states and 403 transitions.
[2020-10-16 12:05:59,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 12:05:59,956 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 13
[2020-10-16 12:05:59,956 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:05:59,957 INFO  L225             Difference]: With dead ends: 181
[2020-10-16 12:05:59,957 INFO  L226             Difference]: Without dead ends: 145
[2020-10-16 12:05:59,958 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:05:59,958 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2020-10-16 12:05:59,961 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 121.
[2020-10-16 12:05:59,961 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 121 states.
[2020-10-16 12:05:59,962 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 267 transitions.
[2020-10-16 12:05:59,962 INFO  L78                 Accepts]: Start accepts. Automaton has 121 states and 267 transitions. Word has length 13
[2020-10-16 12:05:59,962 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:05:59,962 INFO  L481      AbstractCegarLoop]: Abstraction has 121 states and 267 transitions.
[2020-10-16 12:05:59,962 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 12:05:59,963 INFO  L276                IsEmpty]: Start isEmpty. Operand 121 states and 267 transitions.
[2020-10-16 12:05:59,966 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:05:59,967 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:05:59,967 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:05:59,967 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-10-16 12:05:59,967 INFO  L429      AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:05:59,967 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:05:59,968 INFO  L82        PathProgramCache]: Analyzing trace with hash -795653509, now seen corresponding path program 1 times
[2020-10-16 12:05:59,968 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:05:59,968 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745350088]
[2020-10-16 12:05:59,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:00,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:00,067 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 12:06:00,068 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745350088]
[2020-10-16 12:06:00,068 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:00,068 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 12:06:00,068 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745224691]
[2020-10-16 12:06:00,069 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:06:00,069 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:00,069 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:06:00,069 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:06:00,070 INFO  L87              Difference]: Start difference. First operand 121 states and 267 transitions. Second operand 5 states.
[2020-10-16 12:06:00,185 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:00,186 INFO  L93              Difference]: Finished difference Result 184 states and 405 transitions.
[2020-10-16 12:06:00,187 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 12:06:00,187 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2020-10-16 12:06:00,188 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:00,188 INFO  L225             Difference]: With dead ends: 184
[2020-10-16 12:06:00,189 INFO  L226             Difference]: Without dead ends: 117
[2020-10-16 12:06:00,189 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
[2020-10-16 12:06:00,190 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2020-10-16 12:06:00,193 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117.
[2020-10-16 12:06:00,193 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 117 states.
[2020-10-16 12:06:00,193 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 253 transitions.
[2020-10-16 12:06:00,194 INFO  L78                 Accepts]: Start accepts. Automaton has 117 states and 253 transitions. Word has length 14
[2020-10-16 12:06:00,194 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:00,194 INFO  L481      AbstractCegarLoop]: Abstraction has 117 states and 253 transitions.
[2020-10-16 12:06:00,194 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:06:00,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 253 transitions.
[2020-10-16 12:06:00,195 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:06:00,195 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:06:00,195 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:06:00,195 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-10-16 12:06:00,195 INFO  L429      AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:06:00,196 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:06:00,196 INFO  L82        PathProgramCache]: Analyzing trace with hash 1254595577, now seen corresponding path program 2 times
[2020-10-16 12:06:00,196 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:06:00,196 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47017424]
[2020-10-16 12:06:00,196 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:00,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:00,386 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 12:06:00,387 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47017424]
[2020-10-16 12:06:00,387 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:00,387 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:06:00,387 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16879598]
[2020-10-16 12:06:00,388 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 12:06:00,388 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:00,388 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 12:06:00,388 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-10-16 12:06:00,389 INFO  L87              Difference]: Start difference. First operand 117 states and 253 transitions. Second operand 6 states.
[2020-10-16 12:06:00,736 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:00,736 INFO  L93              Difference]: Finished difference Result 177 states and 375 transitions.
[2020-10-16 12:06:00,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-10-16 12:06:00,738 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 14
[2020-10-16 12:06:00,739 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:00,740 INFO  L225             Difference]: With dead ends: 177
[2020-10-16 12:06:00,740 INFO  L226             Difference]: Without dead ends: 149
[2020-10-16 12:06:00,741 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2020-10-16 12:06:00,741 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2020-10-16 12:06:00,744 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123.
[2020-10-16 12:06:00,744 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 123 states.
[2020-10-16 12:06:00,745 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 266 transitions.
[2020-10-16 12:06:00,745 INFO  L78                 Accepts]: Start accepts. Automaton has 123 states and 266 transitions. Word has length 14
[2020-10-16 12:06:00,746 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:00,746 INFO  L481      AbstractCegarLoop]: Abstraction has 123 states and 266 transitions.
[2020-10-16 12:06:00,746 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 12:06:00,746 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 266 transitions.
[2020-10-16 12:06:00,746 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:06:00,746 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:06:00,747 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:06:00,747 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-10-16 12:06:00,747 INFO  L429      AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:06:00,747 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:06:00,747 INFO  L82        PathProgramCache]: Analyzing trace with hash 231271205, now seen corresponding path program 3 times
[2020-10-16 12:06:00,748 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:06:00,748 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930892228]
[2020-10-16 12:06:00,748 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:00,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:01,187 WARN  L193               SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25
[2020-10-16 12:06:01,230 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 12:06:01,231 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930892228]
[2020-10-16 12:06:01,231 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:01,231 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-10-16 12:06:01,232 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357018012]
[2020-10-16 12:06:01,232 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-16 12:06:01,232 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:01,232 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-16 12:06:01,233 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2020-10-16 12:06:01,233 INFO  L87              Difference]: Start difference. First operand 123 states and 266 transitions. Second operand 10 states.
[2020-10-16 12:06:01,864 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:01,865 INFO  L93              Difference]: Finished difference Result 195 states and 419 transitions.
[2020-10-16 12:06:01,865 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-10-16 12:06:01,865 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 14
[2020-10-16 12:06:01,866 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:01,867 INFO  L225             Difference]: With dead ends: 195
[2020-10-16 12:06:01,867 INFO  L226             Difference]: Without dead ends: 154
[2020-10-16 12:06:01,868 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240
[2020-10-16 12:06:01,870 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 154 states.
[2020-10-16 12:06:01,874 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 144.
[2020-10-16 12:06:01,874 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 144 states.
[2020-10-16 12:06:01,875 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 316 transitions.
[2020-10-16 12:06:01,875 INFO  L78                 Accepts]: Start accepts. Automaton has 144 states and 316 transitions. Word has length 14
[2020-10-16 12:06:01,876 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:01,876 INFO  L481      AbstractCegarLoop]: Abstraction has 144 states and 316 transitions.
[2020-10-16 12:06:01,876 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-16 12:06:01,876 INFO  L276                IsEmpty]: Start isEmpty. Operand 144 states and 316 transitions.
[2020-10-16 12:06:01,876 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:06:01,877 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:06:01,877 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:06:01,877 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-10-16 12:06:01,877 INFO  L429      AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:06:01,877 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:06:01,878 INFO  L82        PathProgramCache]: Analyzing trace with hash 190659077, now seen corresponding path program 4 times
[2020-10-16 12:06:01,878 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:06:01,878 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367870302]
[2020-10-16 12:06:01,878 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:01,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:02,043 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 12:06:02,044 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367870302]
[2020-10-16 12:06:02,044 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:02,045 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:06:02,045 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259978660]
[2020-10-16 12:06:02,045 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:06:02,046 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:02,046 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:06:02,046 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:06:02,046 INFO  L87              Difference]: Start difference. First operand 144 states and 316 transitions. Second operand 7 states.
[2020-10-16 12:06:02,305 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:02,305 INFO  L93              Difference]: Finished difference Result 174 states and 372 transitions.
[2020-10-16 12:06:02,306 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 12:06:02,307 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 14
[2020-10-16 12:06:02,307 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:02,308 INFO  L225             Difference]: With dead ends: 174
[2020-10-16 12:06:02,308 INFO  L226             Difference]: Without dead ends: 146
[2020-10-16 12:06:02,309 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2020-10-16 12:06:02,309 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2020-10-16 12:06:02,316 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142.
[2020-10-16 12:06:02,316 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 142 states.
[2020-10-16 12:06:02,317 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 306 transitions.
[2020-10-16 12:06:02,317 INFO  L78                 Accepts]: Start accepts. Automaton has 142 states and 306 transitions. Word has length 14
[2020-10-16 12:06:02,317 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:02,317 INFO  L481      AbstractCegarLoop]: Abstraction has 142 states and 306 transitions.
[2020-10-16 12:06:02,318 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:06:02,318 INFO  L276                IsEmpty]: Start isEmpty. Operand 142 states and 306 transitions.
[2020-10-16 12:06:02,318 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:06:02,318 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:06:02,319 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:06:02,319 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-10-16 12:06:02,319 INFO  L429      AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:06:02,319 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:06:02,319 INFO  L82        PathProgramCache]: Analyzing trace with hash 190370467, now seen corresponding path program 1 times
[2020-10-16 12:06:02,320 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:06:02,320 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45648631]
[2020-10-16 12:06:02,320 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:02,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:02,507 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 12:06:02,508 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45648631]
[2020-10-16 12:06:02,508 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:02,508 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:06:02,509 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512135822]
[2020-10-16 12:06:02,509 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:06:02,509 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:02,510 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:06:02,510 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:06:02,510 INFO  L87              Difference]: Start difference. First operand 142 states and 306 transitions. Second operand 7 states.
[2020-10-16 12:06:02,914 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:02,915 INFO  L93              Difference]: Finished difference Result 156 states and 327 transitions.
[2020-10-16 12:06:02,916 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 12:06:02,916 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 14
[2020-10-16 12:06:02,916 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:02,917 INFO  L225             Difference]: With dead ends: 156
[2020-10-16 12:06:02,917 INFO  L226             Difference]: Without dead ends: 117
[2020-10-16 12:06:02,918 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110
[2020-10-16 12:06:02,918 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2020-10-16 12:06:02,921 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 87.
[2020-10-16 12:06:02,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 87 states.
[2020-10-16 12:06:02,922 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 177 transitions.
[2020-10-16 12:06:02,923 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 177 transitions. Word has length 14
[2020-10-16 12:06:02,923 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:02,923 INFO  L481      AbstractCegarLoop]: Abstraction has 87 states and 177 transitions.
[2020-10-16 12:06:02,923 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:06:02,923 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 177 transitions.
[2020-10-16 12:06:02,924 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:06:02,924 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:06:02,924 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:06:02,924 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-10-16 12:06:02,924 INFO  L429      AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:06:02,925 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:06:02,925 INFO  L82        PathProgramCache]: Analyzing trace with hash 606422863, now seen corresponding path program 5 times
[2020-10-16 12:06:02,925 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:06:02,926 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288706427]
[2020-10-16 12:06:02,926 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:02,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:03,065 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 12:06:03,066 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288706427]
[2020-10-16 12:06:03,066 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:03,066 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-16 12:06:03,067 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159156585]
[2020-10-16 12:06:03,067 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-10-16 12:06:03,067 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:03,067 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-10-16 12:06:03,068 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-10-16 12:06:03,068 INFO  L87              Difference]: Start difference. First operand 87 states and 177 transitions. Second operand 8 states.
[2020-10-16 12:06:03,321 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:03,321 INFO  L93              Difference]: Finished difference Result 142 states and 287 transitions.
[2020-10-16 12:06:03,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 12:06:03,323 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 14
[2020-10-16 12:06:03,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:03,323 INFO  L225             Difference]: With dead ends: 142
[2020-10-16 12:06:03,324 INFO  L226             Difference]: Without dead ends: 88
[2020-10-16 12:06:03,324 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-10-16 12:06:03,325 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2020-10-16 12:06:03,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2020-10-16 12:06:03,330 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 88 states.
[2020-10-16 12:06:03,330 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 176 transitions.
[2020-10-16 12:06:03,331 INFO  L78                 Accepts]: Start accepts. Automaton has 88 states and 176 transitions. Word has length 14
[2020-10-16 12:06:03,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:03,331 INFO  L481      AbstractCegarLoop]: Abstraction has 88 states and 176 transitions.
[2020-10-16 12:06:03,331 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-10-16 12:06:03,331 INFO  L276                IsEmpty]: Start isEmpty. Operand 88 states and 176 transitions.
[2020-10-16 12:06:03,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:06:03,332 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:06:03,332 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:06:03,332 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-10-16 12:06:03,332 INFO  L429      AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:06:03,332 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:06:03,332 INFO  L82        PathProgramCache]: Analyzing trace with hash -946107925, now seen corresponding path program 6 times
[2020-10-16 12:06:03,333 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:06:03,333 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803100582]
[2020-10-16 12:06:03,333 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:03,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:03,499 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 12:06:03,499 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803100582]
[2020-10-16 12:06:03,500 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:03,500 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-16 12:06:03,502 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20270226]
[2020-10-16 12:06:03,503 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-10-16 12:06:03,503 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:03,503 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-10-16 12:06:03,504 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2020-10-16 12:06:03,504 INFO  L87              Difference]: Start difference. First operand 88 states and 176 transitions. Second operand 8 states.
[2020-10-16 12:06:04,043 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:04,043 INFO  L93              Difference]: Finished difference Result 126 states and 249 transitions.
[2020-10-16 12:06:04,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-10-16 12:06:04,044 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 14
[2020-10-16 12:06:04,045 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:04,045 INFO  L225             Difference]: With dead ends: 126
[2020-10-16 12:06:04,046 INFO  L226             Difference]: Without dead ends: 66
[2020-10-16 12:06:04,046 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132
[2020-10-16 12:06:04,047 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2020-10-16 12:06:04,049 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2020-10-16 12:06:04,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 66 states.
[2020-10-16 12:06:04,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 125 transitions.
[2020-10-16 12:06:04,051 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 125 transitions. Word has length 14
[2020-10-16 12:06:04,051 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:04,052 INFO  L481      AbstractCegarLoop]: Abstraction has 66 states and 125 transitions.
[2020-10-16 12:06:04,052 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-10-16 12:06:04,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions.
[2020-10-16 12:06:04,053 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-10-16 12:06:04,053 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:06:04,053 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:06:04,053 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-10-16 12:06:04,054 INFO  L429      AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:06:04,054 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:06:04,054 INFO  L82        PathProgramCache]: Analyzing trace with hash 237487599, now seen corresponding path program 1 times
[2020-10-16 12:06:04,054 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:06:04,055 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562543636]
[2020-10-16 12:06:04,055 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:04,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:04,381 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 12:06:04,381 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562543636]
[2020-10-16 12:06:04,382 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:04,382 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:06:04,382 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016890771]
[2020-10-16 12:06:04,383 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:06:04,384 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:04,384 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:06:04,385 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:06:04,385 INFO  L87              Difference]: Start difference. First operand 66 states and 125 transitions. Second operand 7 states.
[2020-10-16 12:06:04,656 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:04,656 INFO  L93              Difference]: Finished difference Result 82 states and 147 transitions.
[2020-10-16 12:06:04,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-10-16 12:06:04,658 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 15
[2020-10-16 12:06:04,658 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:04,659 INFO  L225             Difference]: With dead ends: 82
[2020-10-16 12:06:04,659 INFO  L226             Difference]: Without dead ends: 51
[2020-10-16 12:06:04,660 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2020-10-16 12:06:04,660 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2020-10-16 12:06:04,663 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2020-10-16 12:06:04,663 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 51 states.
[2020-10-16 12:06:04,663 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 85 transitions.
[2020-10-16 12:06:04,664 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 85 transitions. Word has length 15
[2020-10-16 12:06:04,664 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:04,664 INFO  L481      AbstractCegarLoop]: Abstraction has 51 states and 85 transitions.
[2020-10-16 12:06:04,664 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:06:04,664 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 85 transitions.
[2020-10-16 12:06:04,665 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-10-16 12:06:04,665 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:06:04,665 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:06:04,666 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2020-10-16 12:06:04,666 INFO  L429      AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:06:04,666 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:06:04,666 INFO  L82        PathProgramCache]: Analyzing trace with hash 672913445, now seen corresponding path program 2 times
[2020-10-16 12:06:04,667 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:06:04,667 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5298959]
[2020-10-16 12:06:04,667 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:04,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:05,272 WARN  L193               SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33
[2020-10-16 12:06:05,506 WARN  L193               SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33
[2020-10-16 12:06:05,577 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 12:06:05,577 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5298959]
[2020-10-16 12:06:05,578 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:05,578 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-10-16 12:06:05,578 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334578522]
[2020-10-16 12:06:05,579 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-16 12:06:05,579 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:05,579 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-16 12:06:05,579 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-10-16 12:06:05,579 INFO  L87              Difference]: Start difference. First operand 51 states and 85 transitions. Second operand 10 states.
[2020-10-16 12:06:05,712 WARN  L193               SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44
[2020-10-16 12:06:06,043 WARN  L193               SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32
[2020-10-16 12:06:06,091 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:06,092 INFO  L93              Difference]: Finished difference Result 61 states and 98 transitions.
[2020-10-16 12:06:06,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-10-16 12:06:06,092 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 15
[2020-10-16 12:06:06,093 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:06,093 INFO  L225             Difference]: With dead ends: 61
[2020-10-16 12:06:06,093 INFO  L226             Difference]: Without dead ends: 31
[2020-10-16 12:06:06,094 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156
[2020-10-16 12:06:06,094 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2020-10-16 12:06:06,096 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2020-10-16 12:06:06,097 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 31 states.
[2020-10-16 12:06:06,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 44 transitions.
[2020-10-16 12:06:06,097 INFO  L78                 Accepts]: Start accepts. Automaton has 31 states and 44 transitions. Word has length 15
[2020-10-16 12:06:06,097 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:06,097 INFO  L481      AbstractCegarLoop]: Abstraction has 31 states and 44 transitions.
[2020-10-16 12:06:06,097 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-16 12:06:06,097 INFO  L276                IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions.
[2020-10-16 12:06:06,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-10-16 12:06:06,098 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:06:06,098 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:06:06,098 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2020-10-16 12:06:06,098 INFO  L429      AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:06:06,098 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:06:06,099 INFO  L82        PathProgramCache]: Analyzing trace with hash 1606257167, now seen corresponding path program 3 times
[2020-10-16 12:06:06,099 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:06:06,099 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654026462]
[2020-10-16 12:06:06,099 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:06:06,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:06:06,401 WARN  L193               SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29
[2020-10-16 12:06:06,807 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 40
[2020-10-16 12:06:06,856 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 12:06:06,856 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654026462]
[2020-10-16 12:06:06,856 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:06:06,856 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-10-16 12:06:06,857 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034714218]
[2020-10-16 12:06:06,857 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-16 12:06:06,857 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:06:06,858 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-16 12:06:06,858 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2020-10-16 12:06:06,858 INFO  L87              Difference]: Start difference. First operand 31 states and 44 transitions. Second operand 9 states.
[2020-10-16 12:06:07,361 WARN  L193               SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31
[2020-10-16 12:06:07,383 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:06:07,383 INFO  L93              Difference]: Finished difference Result 27 states and 36 transitions.
[2020-10-16 12:06:07,384 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-10-16 12:06:07,384 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 15
[2020-10-16 12:06:07,384 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:06:07,385 INFO  L225             Difference]: With dead ends: 27
[2020-10-16 12:06:07,385 INFO  L226             Difference]: Without dead ends: 0
[2020-10-16 12:06:07,385 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210
[2020-10-16 12:06:07,386 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-10-16 12:06:07,386 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-10-16 12:06:07,386 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-10-16 12:06:07,386 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-10-16 12:06:07,386 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15
[2020-10-16 12:06:07,387 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:06:07,387 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-10-16 12:06:07,387 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-16 12:06:07,387 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-10-16 12:06:07,387 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-10-16 12:06:07,387 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2020-10-16 12:06:07,392 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:06:07 BasicIcfg
[2020-10-16 12:06:07,392 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 12:06:07,393 INFO  L168              Benchmark]: Toolchain (without parser) took 24012.85 ms. Allocated memory was 148.4 MB in the beginning and 464.5 MB in the end (delta: 316.1 MB). Free memory was 101.5 MB in the beginning and 336.7 MB in the end (delta: -235.2 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB.
[2020-10-16 12:06:07,394 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 148.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-10-16 12:06:07,394 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 791.99 ms. Allocated memory was 148.4 MB in the beginning and 206.6 MB in the end (delta: 58.2 MB). Free memory was 101.3 MB in the beginning and 157.7 MB in the end (delta: -56.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB.
[2020-10-16 12:06:07,395 INFO  L168              Benchmark]: Boogie Procedure Inliner took 75.15 ms. Allocated memory is still 206.6 MB. Free memory was 157.7 MB in the beginning and 153.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB.
[2020-10-16 12:06:07,395 INFO  L168              Benchmark]: Boogie Preprocessor took 71.31 ms. Allocated memory is still 206.6 MB. Free memory was 153.9 MB in the beginning and 150.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB.
[2020-10-16 12:06:07,396 INFO  L168              Benchmark]: RCFGBuilder took 3766.09 ms. Allocated memory was 206.6 MB in the beginning and 286.8 MB in the end (delta: 80.2 MB). Free memory was 150.6 MB in the beginning and 230.8 MB in the end (delta: -80.3 MB). Peak memory consumption was 99.6 MB. Max. memory is 7.1 GB.
[2020-10-16 12:06:07,397 INFO  L168              Benchmark]: TraceAbstraction took 19302.66 ms. Allocated memory was 286.8 MB in the beginning and 464.5 MB in the end (delta: 177.7 MB). Free memory was 228.0 MB in the beginning and 336.7 MB in the end (delta: -108.7 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB.
[2020-10-16 12:06:07,400 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 148.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 791.99 ms. Allocated memory was 148.4 MB in the beginning and 206.6 MB in the end (delta: 58.2 MB). Free memory was 101.3 MB in the beginning and 157.7 MB in the end (delta: -56.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 75.15 ms. Allocated memory is still 206.6 MB. Free memory was 157.7 MB in the beginning and 153.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 71.31 ms. Allocated memory is still 206.6 MB. Free memory was 153.9 MB in the beginning and 150.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 3766.09 ms. Allocated memory was 206.6 MB in the beginning and 286.8 MB in the end (delta: 80.2 MB). Free memory was 150.6 MB in the beginning and 230.8 MB in the end (delta: -80.3 MB). Peak memory consumption was 99.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 19302.66 ms. Allocated memory was 286.8 MB in the beginning and 464.5 MB in the end (delta: 177.7 MB). Free memory was 228.0 MB in the beginning and 336.7 MB in the end (delta: -108.7 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    563 VarBasedMoverChecksPositive, 32 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 31 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.9s, 85 PlacesBefore, 28 PlacesAfterwards, 80 TransitionsBefore, 21 TransitionsAfterwards, 1088 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, 3014 MoverChecksTotal
  - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    2 specifications checked. All of them hold
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 19, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.0s, HoareTripleCheckerStatistics: 269 SDtfs, 457 SDslu, 550 SDs, 0 SdLazy, 1069 SolverSat, 373 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred 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, 19 MinimizatonAttempts, 159 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 43548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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...