/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i


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


This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8
[2021-03-11 20:08:41,148 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-03-11 20:08:41,149 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-03-11 20:08:41,182 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-03-11 20:08:41,182 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-03-11 20:08:41,186 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-03-11 20:08:41,189 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-03-11 20:08:41,199 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-03-11 20:08:41,201 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-03-11 20:08:41,205 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2021-03-11 20:08:41,207 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-03-11 20:08:41,207 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-03-11 20:08:41,209 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-03-11 20:08:41,210 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-03-11 20:08:41,211 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-03-11 20:08:41,212 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-03-11 20:08:41,212 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-03-11 20:08:41,217 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-03-11 20:08:41,225 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-03-11 20:08:41,226 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-03-11 20:08:41,229 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-03-11 20:08:41,229 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-03-11 20:08:41,230 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-03-11 20:08:41,232 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-03-11 20:08:41,232 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-03-11 20:08:41,232 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-03-11 20:08:41,233 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-03-11 20:08:41,233 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-03-11 20:08:41,234 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-03-11 20:08:41,234 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-03-11 20:08:41,237 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-03-11 20:08:41,238 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-03-11 20:08:41,239 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-03-11 20:08:41,239 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-03-11 20:08:41,240 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-03-11 20:08:41,240 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-03-11 20:08:41,241 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-03-11 20:08:41,241 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-03-11 20:08:41,241 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-03-11 20:08:41,242 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-03-11 20:08:41,242 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf
[2021-03-11 20:08:41,279 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-03-11 20:08:41,279 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-03-11 20:08:41,282 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-03-11 20:08:41,283 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-03-11 20:08:41,283 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-03-11 20:08:41,283 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-03-11 20:08:41,283 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-03-11 20:08:41,283 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-03-11 20:08:41,283 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-03-11 20:08:41,284 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-03-11 20:08:41,284 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-03-11 20:08:41,285 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-03-11 20:08:41,285 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-03-11 20:08:41,285 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-03-11 20:08:41,285 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-03-11 20:08:41,285 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-03-11 20:08:41,285 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-03-11 20:08:41,285 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-03-11 20:08:41,285 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-03-11 20:08:41,286 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-03-11 20:08:41,286 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-03-11 20:08:41,286 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-11 20:08:41,286 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-03-11 20:08:41,286 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-03-11 20:08:41,286 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-03-11 20:08:41,286 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-03-11 20:08:41,287 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-03-11 20:08:41,287 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-03-11 20:08:41,287 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-03-11 20:08:41,553 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-03-11 20:08:41,582 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-03-11 20:08:41,584 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-03-11 20:08:41,585 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-03-11 20:08:41,585 INFO  L275        PluginConnector]: CDTParser initialized
[2021-03-11 20:08:41,586 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i
[2021-03-11 20:08:41,647 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12443f985/87da2e2d44864cb5b82b383881fd562f/FLAG061707308
[2021-03-11 20:08:42,177 INFO  L306              CDTParser]: Found 1 translation units.
[2021-03-11 20:08:42,178 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i
[2021-03-11 20:08:42,189 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12443f985/87da2e2d44864cb5b82b383881fd562f/FLAG061707308
[2021-03-11 20:08:42,629 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12443f985/87da2e2d44864cb5b82b383881fd562f
[2021-03-11 20:08:42,631 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-03-11 20:08:42,636 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-03-11 20:08:42,638 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-03-11 20:08:42,638 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-03-11 20:08:42,641 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-03-11 20:08:42,642 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:08:42" (1/1) ...
[2021-03-11 20:08:42,643 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71451f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:42, skipping insertion in model container
[2021-03-11 20:08:42,643 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:08:42" (1/1) ...
[2021-03-11 20:08:42,650 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-03-11 20:08:42,688 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-03-11 20:08:42,823 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i[950,963]
[2021-03-11 20:08:43,029 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-03-11 20:08:43,036 INFO  L203         MainTranslator]: Completed pre-run
[2021-03-11 20:08:43,045 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i[950,963]
[2021-03-11 20:08:43,078 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-03-11 20:08:43,137 INFO  L208         MainTranslator]: Completed translation
[2021-03-11 20:08:43,138 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43 WrapperNode
[2021-03-11 20:08:43,138 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-03-11 20:08:43,139 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-03-11 20:08:43,139 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-03-11 20:08:43,139 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-03-11 20:08:43,145 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
[2021-03-11 20:08:43,162 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
[2021-03-11 20:08:43,183 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-03-11 20:08:43,183 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-03-11 20:08:43,184 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-03-11 20:08:43,184 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-03-11 20:08:43,190 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
[2021-03-11 20:08:43,190 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
[2021-03-11 20:08:43,195 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
[2021-03-11 20:08:43,195 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
[2021-03-11 20:08:43,202 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
[2021-03-11 20:08:43,205 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
[2021-03-11 20:08:43,207 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
[2021-03-11 20:08:43,210 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-03-11 20:08:43,211 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-03-11 20:08:43,211 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-03-11 20:08:43,211 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-03-11 20:08:43,212 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2021-03-11 20:08:43,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-03-11 20:08:43,279 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-03-11 20:08:43,279 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-03-11 20:08:43,279 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-03-11 20:08:43,279 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-03-11 20:08:43,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-03-11 20:08:43,280 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-03-11 20:08:43,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-03-11 20:08:43,280 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2021-03-11 20:08:43,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2021-03-11 20:08:43,280 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2021-03-11 20:08:43,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2021-03-11 20:08:43,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-03-11 20:08:43,281 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-03-11 20:08:43,281 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-03-11 20:08:43,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-03-11 20:08:43,282 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-03-11 20:08:44,857 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-03-11 20:08:44,858 INFO  L299             CfgBuilder]: Removed 10 assume(true) statements.
[2021-03-11 20:08:44,860 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:08:44 BoogieIcfgContainer
[2021-03-11 20:08:44,860 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-03-11 20:08:44,862 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-03-11 20:08:44,862 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-03-11 20:08:44,865 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-03-11 20:08:44,865 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:08:42" (1/3) ...
[2021-03-11 20:08:44,865 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517ff76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:08:44, skipping insertion in model container
[2021-03-11 20:08:44,866 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:43" (2/3) ...
[2021-03-11 20:08:44,866 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517ff76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:08:44, skipping insertion in model container
[2021-03-11 20:08:44,866 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:08:44" (3/3) ...
[2021-03-11 20:08:44,867 INFO  L111   eAbstractionObserver]: Analyzing ICFG mix037_power.opt.i
[2021-03-11 20:08:44,872 INFO  L153   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-03-11 20:08:44,875 INFO  L165   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2021-03-11 20:08:44,876 INFO  L323   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-03-11 20:08:44,913 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,913 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,913 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,913 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,913 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,913 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,913 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,914 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,914 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,914 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,914 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,914 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,915 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,916 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,916 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,916 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,916 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,916 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,916 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,916 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,916 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,916 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,917 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,917 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,917 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,917 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,918 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,918 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,918 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,918 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,918 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,918 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,919 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,919 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,919 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,919 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,920 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,920 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,920 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,921 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,922 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,922 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,922 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,922 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,922 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,922 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,922 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,922 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,923 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,923 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,923 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,923 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,923 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,923 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,923 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,923 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,923 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,924 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,924 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,924 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,925 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,925 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,926 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,926 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,926 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,926 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,926 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,927 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,927 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,927 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,927 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,927 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,927 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,928 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,929 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,929 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,929 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,929 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,930 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,932 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,932 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,932 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,932 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,936 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,936 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,937 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,937 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,937 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,939 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,939 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,939 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,939 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,940 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,941 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,941 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,941 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,941 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,941 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,941 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,941 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,941 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,941 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,942 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,942 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,942 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,942 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,943 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,943 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,944 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,944 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,944 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,944 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,944 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,944 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,944 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,944 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,946 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,946 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,946 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,947 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,947 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,947 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,947 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,947 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,947 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,947 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,947 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,947 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,949 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,949 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,949 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,949 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,951 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,951 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,951 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,952 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,953 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,954 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,954 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,954 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,954 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,954 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,954 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,955 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,955 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,955 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,955 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,955 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,955 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,955 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,955 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,955 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,956 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,956 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,956 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,956 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,956 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,956 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,956 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,956 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,956 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,957 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,957 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-11 20:08:44,964 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-03-11 20:08:44,979 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2021-03-11 20:08:45,011 INFO  L376      AbstractCegarLoop]: Interprodecural is true
[2021-03-11 20:08:45,011 INFO  L377      AbstractCegarLoop]: Hoare is false
[2021-03-11 20:08:45,011 INFO  L378      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-03-11 20:08:45,011 INFO  L379      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-03-11 20:08:45,011 INFO  L380      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-03-11 20:08:45,012 INFO  L381      AbstractCegarLoop]: Difference is false
[2021-03-11 20:08:45,012 INFO  L382      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-03-11 20:08:45,012 INFO  L386      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-03-11 20:08:45,029 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow
[2021-03-11 20:08:45,081 INFO  L129       PetriNetUnfolder]: 2/113 cut-off events.
[2021-03-11 20:08:45,081 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-11 20:08:45,089 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. 
[2021-03-11 20:08:45,090 INFO  L82        GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow
[2021-03-11 20:08:45,098 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow
[2021-03-11 20:08:45,102 INFO  L118   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-11 20:08:45,112 INFO  L133   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow
[2021-03-11 20:08:45,114 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow
[2021-03-11 20:08:45,114 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow
[2021-03-11 20:08:45,147 INFO  L129       PetriNetUnfolder]: 2/113 cut-off events.
[2021-03-11 20:08:45,147 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-11 20:08:45,148 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. 
[2021-03-11 20:08:45,151 INFO  L116        LiptonReduction]: Number of co-enabled transitions 2488
[2021-03-11 20:08:45,439 WARN  L205               SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58
[2021-03-11 20:08:45,872 WARN  L205               SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81
[2021-03-11 20:08:45,992 WARN  L205               SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 79
[2021-03-11 20:08:47,413 WARN  L205               SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 81
[2021-03-11 20:08:47,574 WARN  L205               SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 81
[2021-03-11 20:08:50,442 WARN  L205               SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126
[2021-03-11 20:08:50,620 WARN  L205               SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 122
[2021-03-11 20:08:50,952 WARN  L205               SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126
[2021-03-11 20:08:51,124 WARN  L205               SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 122
[2021-03-11 20:08:51,131 INFO  L131        LiptonReduction]: Checked pairs total: 5918
[2021-03-11 20:08:51,131 INFO  L133        LiptonReduction]: Total number of compositions: 96
[2021-03-11 20:08:51,132 INFO  L182   CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6034
[2021-03-11 20:08:51,141 INFO  L129       PetriNetUnfolder]: 0/18 cut-off events.
[2021-03-11 20:08:51,141 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-11 20:08:51,141 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:51,142 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:51,142 INFO  L428      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:51,146 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:51,146 INFO  L82        PathProgramCache]: Analyzing trace with hash -1333539249, now seen corresponding path program 1 times
[2021-03-11 20:08:51,152 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:51,152 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002239320]
[2021-03-11 20:08:51,153 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:51,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:51,390 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:51,394 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:51,399 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:51,400 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002239320]
[2021-03-11 20:08:51,400 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:51,400 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-03-11 20:08:51,401 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167077480]
[2021-03-11 20:08:51,406 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-11 20:08:51,406 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:51,414 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-11 20:08:51,415 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-11 20:08:51,417 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 185 out of 213
[2021-03-11 20:08:51,420 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 70 flow. Second operand  has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,420 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:51,420 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 213
[2021-03-11 20:08:51,421 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:51,481 INFO  L129       PetriNetUnfolder]: 9/53 cut-off events.
[2021-03-11 20:08:51,481 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-11 20:08:51,482 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 88 conditions, 53 events. 9/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 131 event pairs, 1 based on Foata normal form. 5/55 useless extension candidates. Maximal degree in co-relation 77. Up to 17 conditions per place. 
[2021-03-11 20:08:51,483 INFO  L132   encePairwiseOnDemand]: 209/213 looper letters, 5 selfloop transitions, 2 changer transitions 0/29 dead transitions.
[2021-03-11 20:08:51,484 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 29 transitions, 84 flow
[2021-03-11 20:08:51,484 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-03-11 20:08:51,486 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-11 20:08:51,497 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions.
[2021-03-11 20:08:51,502 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8841940532081377
[2021-03-11 20:08:51,503 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 565 transitions.
[2021-03-11 20:08:51,503 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 565 transitions.
[2021-03-11 20:08:51,506 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:51,509 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 565 transitions.
[2021-03-11 20:08:51,514 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,522 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,523 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,525 INFO  L185             Difference]: Start difference. First operand has 41 places, 29 transitions, 70 flow. Second operand 3 states and 565 transitions.
[2021-03-11 20:08:51,525 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 29 transitions, 84 flow
[2021-03-11 20:08:51,527 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 80 flow, removed 0 selfloop flow, removed 4 redundant places.
[2021-03-11 20:08:51,529 INFO  L241             Difference]: Finished difference. Result has 38 places, 27 transitions, 66 flow
[2021-03-11 20:08:51,530 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=38, PETRI_TRANSITIONS=27}
[2021-03-11 20:08:51,531 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, -3 predicate places.
[2021-03-11 20:08:51,531 INFO  L480      AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 66 flow
[2021-03-11 20:08:51,532 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,532 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:51,532 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:51,532 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-03-11 20:08:51,532 INFO  L428      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:51,533 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:51,533 INFO  L82        PathProgramCache]: Analyzing trace with hash 981565893, now seen corresponding path program 1 times
[2021-03-11 20:08:51,534 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:51,534 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153040362]
[2021-03-11 20:08:51,534 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:51,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:51,624 INFO  L142       QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size
[2021-03-11 20:08:51,625 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21
[2021-03-11 20:08:51,636 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:51,636 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:51,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:51,649 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153040362]
[2021-03-11 20:08:51,649 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:51,649 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-11 20:08:51,650 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140822575]
[2021-03-11 20:08:51,650 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-11 20:08:51,651 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:51,651 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-11 20:08:51,651 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-11 20:08:51,653 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 166 out of 213
[2021-03-11 20:08:51,654 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 66 flow. Second operand  has 4 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,654 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:51,654 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 213
[2021-03-11 20:08:51,654 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:51,874 INFO  L129       PetriNetUnfolder]: 560/1099 cut-off events.
[2021-03-11 20:08:51,874 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-11 20:08:51,879 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1984 conditions, 1099 events. 560/1099 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7006 event pairs, 204 based on Foata normal form. 0/1024 useless extension candidates. Maximal degree in co-relation 1975. Up to 469 conditions per place. 
[2021-03-11 20:08:51,884 INFO  L132   encePairwiseOnDemand]: 204/213 looper letters, 9 selfloop transitions, 7 changer transitions 17/50 dead transitions.
[2021-03-11 20:08:51,884 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 50 transitions, 178 flow
[2021-03-11 20:08:51,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-03-11 20:08:51,885 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-11 20:08:51,887 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 865 transitions.
[2021-03-11 20:08:51,888 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.812206572769953
[2021-03-11 20:08:51,888 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 865 transitions.
[2021-03-11 20:08:51,888 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 865 transitions.
[2021-03-11 20:08:51,888 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:51,888 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 865 transitions.
[2021-03-11 20:08:51,890 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,893 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,893 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,894 INFO  L185             Difference]: Start difference. First operand has 38 places, 27 transitions, 66 flow. Second operand 5 states and 865 transitions.
[2021-03-11 20:08:51,894 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 50 transitions, 178 flow
[2021-03-11 20:08:51,895 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 50 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-03-11 20:08:51,896 INFO  L241             Difference]: Finished difference. Result has 44 places, 32 transitions, 130 flow
[2021-03-11 20:08:51,896 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=130, PETRI_PLACES=44, PETRI_TRANSITIONS=32}
[2021-03-11 20:08:51,896 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 3 predicate places.
[2021-03-11 20:08:51,897 INFO  L480      AbstractCegarLoop]: Abstraction has has 44 places, 32 transitions, 130 flow
[2021-03-11 20:08:51,897 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 4 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,897 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:51,897 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:51,897 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-03-11 20:08:51,898 INFO  L428      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:51,898 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:51,898 INFO  L82        PathProgramCache]: Analyzing trace with hash 2092152844, now seen corresponding path program 1 times
[2021-03-11 20:08:51,898 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:51,898 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780174434]
[2021-03-11 20:08:51,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:51,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:51,970 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:51,971 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:51,975 INFO  L142       QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size
[2021-03-11 20:08:51,975 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21
[2021-03-11 20:08:51,985 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:51,986 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:51,990 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:51,990 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780174434]
[2021-03-11 20:08:51,990 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:51,991 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-11 20:08:51,991 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649312858]
[2021-03-11 20:08:51,991 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-03-11 20:08:51,991 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:51,992 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-03-11 20:08:51,992 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-03-11 20:08:51,993 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 166 out of 213
[2021-03-11 20:08:51,994 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 130 flow. Second operand  has 5 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:51,994 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:51,994 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 213
[2021-03-11 20:08:51,994 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:52,129 INFO  L129       PetriNetUnfolder]: 249/540 cut-off events.
[2021-03-11 20:08:52,130 INFO  L130       PetriNetUnfolder]: For 391/656 co-relation queries the response was YES.
[2021-03-11 20:08:52,131 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1777 conditions, 540 events. 249/540 cut-off events. For 391/656 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2966 event pairs, 26 based on Foata normal form. 45/565 useless extension candidates. Maximal degree in co-relation 1764. Up to 326 conditions per place. 
[2021-03-11 20:08:52,134 INFO  L132   encePairwiseOnDemand]: 204/213 looper letters, 15 selfloop transitions, 8 changer transitions 19/59 dead transitions.
[2021-03-11 20:08:52,135 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 59 transitions, 374 flow
[2021-03-11 20:08:52,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-03-11 20:08:52,135 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-03-11 20:08:52,137 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1198 transitions.
[2021-03-11 20:08:52,138 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8034875922199866
[2021-03-11 20:08:52,138 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 1198 transitions.
[2021-03-11 20:08:52,138 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 1198 transitions.
[2021-03-11 20:08:52,139 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:52,139 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1198 transitions.
[2021-03-11 20:08:52,141 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 171.14285714285714) internal successors, (1198), 7 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,144 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,145 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,145 INFO  L185             Difference]: Start difference. First operand has 44 places, 32 transitions, 130 flow. Second operand 7 states and 1198 transitions.
[2021-03-11 20:08:52,145 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 59 transitions, 374 flow
[2021-03-11 20:08:52,150 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 59 transitions, 328 flow, removed 2 selfloop flow, removed 2 redundant places.
[2021-03-11 20:08:52,152 INFO  L241             Difference]: Finished difference. Result has 51 places, 36 transitions, 186 flow
[2021-03-11 20:08:52,152 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=186, PETRI_PLACES=51, PETRI_TRANSITIONS=36}
[2021-03-11 20:08:52,152 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 10 predicate places.
[2021-03-11 20:08:52,152 INFO  L480      AbstractCegarLoop]: Abstraction has has 51 places, 36 transitions, 186 flow
[2021-03-11 20:08:52,153 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 5 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,153 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:52,153 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:52,153 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-03-11 20:08:52,154 INFO  L428      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:52,154 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:52,154 INFO  L82        PathProgramCache]: Analyzing trace with hash 1712181277, now seen corresponding path program 1 times
[2021-03-11 20:08:52,154 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:52,154 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534368471]
[2021-03-11 20:08:52,154 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:52,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:52,231 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:52,231 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:52,234 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:52,235 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:52,238 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:52,238 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534368471]
[2021-03-11 20:08:52,238 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:52,238 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-11 20:08:52,238 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711609363]
[2021-03-11 20:08:52,239 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-11 20:08:52,239 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:52,239 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-11 20:08:52,239 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-11 20:08:52,240 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 183 out of 213
[2021-03-11 20:08:52,241 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 36 transitions, 186 flow. Second operand  has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,241 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:52,241 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 213
[2021-03-11 20:08:52,241 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:52,324 INFO  L129       PetriNetUnfolder]: 184/429 cut-off events.
[2021-03-11 20:08:52,327 INFO  L130       PetriNetUnfolder]: For 1003/1064 co-relation queries the response was YES.
[2021-03-11 20:08:52,329 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 429 events. 184/429 cut-off events. For 1003/1064 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2430 event pairs, 88 based on Foata normal form. 32/449 useless extension candidates. Maximal degree in co-relation 1410. Up to 254 conditions per place. 
[2021-03-11 20:08:52,331 INFO  L132   encePairwiseOnDemand]: 208/213 looper letters, 7 selfloop transitions, 6 changer transitions 6/46 dead transitions.
[2021-03-11 20:08:52,331 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 46 transitions, 296 flow
[2021-03-11 20:08:52,332 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-03-11 20:08:52,332 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-11 20:08:52,333 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 929 transitions.
[2021-03-11 20:08:52,334 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8723004694835681
[2021-03-11 20:08:52,334 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 929 transitions.
[2021-03-11 20:08:52,334 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 929 transitions.
[2021-03-11 20:08:52,334 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:52,335 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 929 transitions.
[2021-03-11 20:08:52,337 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 185.8) internal successors, (929), 5 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,338 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,339 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,339 INFO  L185             Difference]: Start difference. First operand has 51 places, 36 transitions, 186 flow. Second operand 5 states and 929 transitions.
[2021-03-11 20:08:52,339 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 46 transitions, 296 flow
[2021-03-11 20:08:52,344 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 285 flow, removed 4 selfloop flow, removed 3 redundant places.
[2021-03-11 20:08:52,344 INFO  L241             Difference]: Finished difference. Result has 52 places, 40 transitions, 241 flow
[2021-03-11 20:08:52,345 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=241, PETRI_PLACES=52, PETRI_TRANSITIONS=40}
[2021-03-11 20:08:52,345 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 11 predicate places.
[2021-03-11 20:08:52,345 INFO  L480      AbstractCegarLoop]: Abstraction has has 52 places, 40 transitions, 241 flow
[2021-03-11 20:08:52,346 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,346 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:52,346 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:52,346 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-03-11 20:08:52,346 INFO  L428      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:52,346 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:52,346 INFO  L82        PathProgramCache]: Analyzing trace with hash 513607844, now seen corresponding path program 1 times
[2021-03-11 20:08:52,347 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:52,347 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030210108]
[2021-03-11 20:08:52,347 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:52,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:52,430 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:52,431 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:52,437 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:52,438 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 20:08:52,446 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:52,447 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 20:08:52,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:52,447 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030210108]
[2021-03-11 20:08:52,447 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:52,447 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-11 20:08:52,447 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696125592]
[2021-03-11 20:08:52,448 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-11 20:08:52,448 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:52,448 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-11 20:08:52,448 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-11 20:08:52,449 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213
[2021-03-11 20:08:52,450 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 40 transitions, 241 flow. Second operand  has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,450 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:52,450 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213
[2021-03-11 20:08:52,450 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:52,660 INFO  L129       PetriNetUnfolder]: 761/1489 cut-off events.
[2021-03-11 20:08:52,660 INFO  L130       PetriNetUnfolder]: For 1151/1253 co-relation queries the response was YES.
[2021-03-11 20:08:52,666 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3845 conditions, 1489 events. 761/1489 cut-off events. For 1151/1253 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 10750 event pairs, 387 based on Foata normal form. 116/1473 useless extension candidates. Maximal degree in co-relation 3824. Up to 801 conditions per place. 
[2021-03-11 20:08:52,673 INFO  L132   encePairwiseOnDemand]: 206/213 looper letters, 10 selfloop transitions, 10 changer transitions 0/53 dead transitions.
[2021-03-11 20:08:52,673 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 53 transitions, 307 flow
[2021-03-11 20:08:52,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-03-11 20:08:52,674 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-11 20:08:52,675 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 887 transitions.
[2021-03-11 20:08:52,676 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8328638497652582
[2021-03-11 20:08:52,676 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 887 transitions.
[2021-03-11 20:08:52,676 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 887 transitions.
[2021-03-11 20:08:52,677 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:52,677 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 887 transitions.
[2021-03-11 20:08:52,679 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,681 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,681 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,681 INFO  L185             Difference]: Start difference. First operand has 52 places, 40 transitions, 241 flow. Second operand 5 states and 887 transitions.
[2021-03-11 20:08:52,681 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 53 transitions, 307 flow
[2021-03-11 20:08:52,686 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 53 transitions, 287 flow, removed 7 selfloop flow, removed 4 redundant places.
[2021-03-11 20:08:52,688 INFO  L241             Difference]: Finished difference. Result has 53 places, 49 transitions, 296 flow
[2021-03-11 20:08:52,688 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=296, PETRI_PLACES=53, PETRI_TRANSITIONS=49}
[2021-03-11 20:08:52,688 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 12 predicate places.
[2021-03-11 20:08:52,689 INFO  L480      AbstractCegarLoop]: Abstraction has has 53 places, 49 transitions, 296 flow
[2021-03-11 20:08:52,689 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,689 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:52,689 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:52,689 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-03-11 20:08:52,689 INFO  L428      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:52,690 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:52,690 INFO  L82        PathProgramCache]: Analyzing trace with hash 449652617, now seen corresponding path program 1 times
[2021-03-11 20:08:52,690 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:52,691 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459508969]
[2021-03-11 20:08:52,691 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:52,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:52,747 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:52,748 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 20:08:52,748 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:52,749 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:52,752 INFO  L142       QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size
[2021-03-11 20:08:52,753 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21
[2021-03-11 20:08:52,765 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:52,769 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:52,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:52,773 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459508969]
[2021-03-11 20:08:52,773 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:52,773 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-03-11 20:08:52,773 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113736740]
[2021-03-11 20:08:52,774 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-03-11 20:08:52,774 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:52,775 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-03-11 20:08:52,775 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-03-11 20:08:52,776 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 166 out of 213
[2021-03-11 20:08:52,776 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 49 transitions, 296 flow. Second operand  has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:52,777 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:52,777 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 213
[2021-03-11 20:08:52,777 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:53,032 INFO  L129       PetriNetUnfolder]: 1014/1996 cut-off events.
[2021-03-11 20:08:53,032 INFO  L130       PetriNetUnfolder]: For 2502/3886 co-relation queries the response was YES.
[2021-03-11 20:08:53,044 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6725 conditions, 1996 events. 1014/1996 cut-off events. For 2502/3886 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 15287 event pairs, 466 based on Foata normal form. 126/1878 useless extension candidates. Maximal degree in co-relation 6703. Up to 1180 conditions per place. 
[2021-03-11 20:08:53,054 INFO  L132   encePairwiseOnDemand]: 206/213 looper letters, 22 selfloop transitions, 14 changer transitions 2/64 dead transitions.
[2021-03-11 20:08:53,054 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 64 transitions, 472 flow
[2021-03-11 20:08:53,055 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-03-11 20:08:53,055 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-03-11 20:08:53,057 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1025 transitions.
[2021-03-11 20:08:53,057 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8020344287949922
[2021-03-11 20:08:53,057 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 1025 transitions.
[2021-03-11 20:08:53,057 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 1025 transitions.
[2021-03-11 20:08:53,058 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:53,058 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1025 transitions.
[2021-03-11 20:08:53,060 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 170.83333333333334) internal successors, (1025), 6 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,062 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,062 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,062 INFO  L185             Difference]: Start difference. First operand has 53 places, 49 transitions, 296 flow. Second operand 6 states and 1025 transitions.
[2021-03-11 20:08:53,062 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 64 transitions, 472 flow
[2021-03-11 20:08:53,072 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 64 transitions, 463 flow, removed 2 selfloop flow, removed 1 redundant places.
[2021-03-11 20:08:53,073 INFO  L241             Difference]: Finished difference. Result has 61 places, 52 transitions, 367 flow
[2021-03-11 20:08:53,074 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=367, PETRI_PLACES=61, PETRI_TRANSITIONS=52}
[2021-03-11 20:08:53,074 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 20 predicate places.
[2021-03-11 20:08:53,074 INFO  L480      AbstractCegarLoop]: Abstraction has has 61 places, 52 transitions, 367 flow
[2021-03-11 20:08:53,074 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,074 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:53,075 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:53,075 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-03-11 20:08:53,075 INFO  L428      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:53,075 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:53,075 INFO  L82        PathProgramCache]: Analyzing trace with hash 1680702193, now seen corresponding path program 1 times
[2021-03-11 20:08:53,075 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:53,076 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244870961]
[2021-03-11 20:08:53,076 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:53,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:53,143 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,144 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:53,146 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,147 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:53,151 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,152 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 20:08:53,161 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,161 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 20:08:53,162 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:53,162 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244870961]
[2021-03-11 20:08:53,162 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:53,162 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-03-11 20:08:53,162 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852730963]
[2021-03-11 20:08:53,163 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-03-11 20:08:53,163 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:53,163 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-03-11 20:08:53,163 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-03-11 20:08:53,164 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213
[2021-03-11 20:08:53,165 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 52 transitions, 367 flow. Second operand  has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,165 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:53,165 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213
[2021-03-11 20:08:53,165 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:53,387 INFO  L129       PetriNetUnfolder]: 664/1475 cut-off events.
[2021-03-11 20:08:53,387 INFO  L130       PetriNetUnfolder]: For 2969/6343 co-relation queries the response was YES.
[2021-03-11 20:08:53,396 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 5763 conditions, 1475 events. 664/1475 cut-off events. For 2969/6343 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 11674 event pairs, 166 based on Foata normal form. 471/1813 useless extension candidates. Maximal degree in co-relation 5736. Up to 990 conditions per place. 
[2021-03-11 20:08:53,401 INFO  L132   encePairwiseOnDemand]: 206/213 looper letters, 10 selfloop transitions, 19 changer transitions 0/65 dead transitions.
[2021-03-11 20:08:53,402 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 65 transitions, 501 flow
[2021-03-11 20:08:53,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-03-11 20:08:53,402 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-03-11 20:08:53,405 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1242 transitions.
[2021-03-11 20:08:53,405 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8329979879275654
[2021-03-11 20:08:53,405 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 1242 transitions.
[2021-03-11 20:08:53,406 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 1242 transitions.
[2021-03-11 20:08:53,406 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:53,406 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1242 transitions.
[2021-03-11 20:08:53,409 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 177.42857142857142) internal successors, (1242), 7 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,413 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,414 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,414 INFO  L185             Difference]: Start difference. First operand has 61 places, 52 transitions, 367 flow. Second operand 7 states and 1242 transitions.
[2021-03-11 20:08:53,414 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 65 transitions, 501 flow
[2021-03-11 20:08:53,487 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 65 transitions, 487 flow, removed 7 selfloop flow, removed 0 redundant places.
[2021-03-11 20:08:53,491 INFO  L241             Difference]: Finished difference. Result has 70 places, 61 transitions, 487 flow
[2021-03-11 20:08:53,491 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=487, PETRI_PLACES=70, PETRI_TRANSITIONS=61}
[2021-03-11 20:08:53,492 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 29 predicate places.
[2021-03-11 20:08:53,492 INFO  L480      AbstractCegarLoop]: Abstraction has has 70 places, 61 transitions, 487 flow
[2021-03-11 20:08:53,492 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,492 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:53,492 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:53,492 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-03-11 20:08:53,492 INFO  L428      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:53,493 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:53,493 INFO  L82        PathProgramCache]: Analyzing trace with hash -530472149, now seen corresponding path program 1 times
[2021-03-11 20:08:53,493 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:53,493 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174550965]
[2021-03-11 20:08:53,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:53,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:53,541 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,541 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:53,544 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,544 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:53,548 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,548 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:53,553 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,553 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 20:08:53,560 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,561 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 20:08:53,561 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:53,561 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174550965]
[2021-03-11 20:08:53,561 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:53,561 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-03-11 20:08:53,562 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945519058]
[2021-03-11 20:08:53,562 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-03-11 20:08:53,562 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:53,563 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-03-11 20:08:53,563 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-03-11 20:08:53,564 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213
[2021-03-11 20:08:53,565 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 61 transitions, 487 flow. Second operand  has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,565 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:53,565 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213
[2021-03-11 20:08:53,565 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:53,789 INFO  L129       PetriNetUnfolder]: 498/1164 cut-off events.
[2021-03-11 20:08:53,790 INFO  L130       PetriNetUnfolder]: For 5235/11751 co-relation queries the response was YES.
[2021-03-11 20:08:53,798 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6214 conditions, 1164 events. 498/1164 cut-off events. For 5235/11751 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 9054 event pairs, 40 based on Foata normal form. 679/1735 useless extension candidates. Maximal degree in co-relation 6182. Up to 893 conditions per place. 
[2021-03-11 20:08:53,803 INFO  L132   encePairwiseOnDemand]: 206/213 looper letters, 6 selfloop transitions, 28 changer transitions 6/74 dead transitions.
[2021-03-11 20:08:53,803 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 74 transitions, 689 flow
[2021-03-11 20:08:53,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-03-11 20:08:53,804 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-03-11 20:08:53,806 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1597 transitions.
[2021-03-11 20:08:53,807 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8330725091288471
[2021-03-11 20:08:53,807 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 1597 transitions.
[2021-03-11 20:08:53,807 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 1597 transitions.
[2021-03-11 20:08:53,808 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:53,808 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1597 transitions.
[2021-03-11 20:08:53,811 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 177.44444444444446) internal successors, (1597), 9 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,814 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 213.0) internal successors, (2130), 10 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,814 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 213.0) internal successors, (2130), 10 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,814 INFO  L185             Difference]: Start difference. First operand has 70 places, 61 transitions, 487 flow. Second operand 9 states and 1597 transitions.
[2021-03-11 20:08:53,815 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 74 transitions, 689 flow
[2021-03-11 20:08:53,843 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 74 transitions, 639 flow, removed 17 selfloop flow, removed 3 redundant places.
[2021-03-11 20:08:53,844 INFO  L241             Difference]: Finished difference. Result has 78 places, 68 transitions, 595 flow
[2021-03-11 20:08:53,845 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=595, PETRI_PLACES=78, PETRI_TRANSITIONS=68}
[2021-03-11 20:08:53,845 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 37 predicate places.
[2021-03-11 20:08:53,845 INFO  L480      AbstractCegarLoop]: Abstraction has has 78 places, 68 transitions, 595 flow
[2021-03-11 20:08:53,845 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,845 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:53,845 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:53,846 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-03-11 20:08:53,846 INFO  L428      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:53,846 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:53,846 INFO  L82        PathProgramCache]: Analyzing trace with hash -1493925827, now seen corresponding path program 1 times
[2021-03-11 20:08:53,846 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:53,846 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018662690]
[2021-03-11 20:08:53,846 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:53,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:53,926 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,927 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:53,930 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,930 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:53,934 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,934 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:53,939 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,939 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:53,945 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,945 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-11 20:08:53,955 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:53,955 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 20:08:53,956 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:53,956 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018662690]
[2021-03-11 20:08:53,957 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:53,957 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-03-11 20:08:53,957 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290296630]
[2021-03-11 20:08:53,957 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-03-11 20:08:53,957 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:53,957 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-03-11 20:08:53,958 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-03-11 20:08:53,959 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213
[2021-03-11 20:08:53,960 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 68 transitions, 595 flow. Second operand  has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:53,961 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:53,961 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213
[2021-03-11 20:08:53,961 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:54,204 INFO  L129       PetriNetUnfolder]: 444/1049 cut-off events.
[2021-03-11 20:08:54,204 INFO  L130       PetriNetUnfolder]: For 7338/13110 co-relation queries the response was YES.
[2021-03-11 20:08:54,212 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 5945 conditions, 1049 events. 444/1049 cut-off events. For 7338/13110 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 8218 event pairs, 23 based on Foata normal form. 554/1499 useless extension candidates. Maximal degree in co-relation 5916. Up to 554 conditions per place. 
[2021-03-11 20:08:54,216 INFO  L132   encePairwiseOnDemand]: 206/213 looper letters, 2 selfloop transitions, 33 changer transitions 8/73 dead transitions.
[2021-03-11 20:08:54,216 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 73 transitions, 729 flow
[2021-03-11 20:08:54,217 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-03-11 20:08:54,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-03-11 20:08:54,220 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1944 transitions.
[2021-03-11 20:08:54,221 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.8297055057618438
[2021-03-11 20:08:54,221 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 1944 transitions.
[2021-03-11 20:08:54,221 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 1944 transitions.
[2021-03-11 20:08:54,222 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:54,222 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1944 transitions.
[2021-03-11 20:08:54,225 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 12 states, 11 states have (on average 176.72727272727272) internal successors, (1944), 11 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,229 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 12 states, 12 states have (on average 213.0) internal successors, (2556), 12 states have internal predecessors, (2556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,230 INFO  L81            ComplementDD]: Finished complementDD. Result  has 12 states, 12 states have (on average 213.0) internal successors, (2556), 12 states have internal predecessors, (2556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,230 INFO  L185             Difference]: Start difference. First operand has 78 places, 68 transitions, 595 flow. Second operand 11 states and 1944 transitions.
[2021-03-11 20:08:54,230 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 73 transitions, 729 flow
[2021-03-11 20:08:54,298 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 73 transitions, 614 flow, removed 41 selfloop flow, removed 8 redundant places.
[2021-03-11 20:08:54,300 INFO  L241             Difference]: Finished difference. Result has 81 places, 65 transitions, 533 flow
[2021-03-11 20:08:54,300 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=533, PETRI_PLACES=81, PETRI_TRANSITIONS=65}
[2021-03-11 20:08:54,300 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 40 predicate places.
[2021-03-11 20:08:54,300 INFO  L480      AbstractCegarLoop]: Abstraction has has 81 places, 65 transitions, 533 flow
[2021-03-11 20:08:54,300 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,301 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:54,301 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:54,301 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-03-11 20:08:54,301 INFO  L428      AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:54,301 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:54,301 INFO  L82        PathProgramCache]: Analyzing trace with hash -969878824, now seen corresponding path program 1 times
[2021-03-11 20:08:54,301 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:54,301 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555575865]
[2021-03-11 20:08:54,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:54,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:54,376 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:54,376 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 20:08:54,376 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:54,377 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:54,379 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:54,380 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:54,385 INFO  L142       QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size
[2021-03-11 20:08:54,386 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21
[2021-03-11 20:08:54,397 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:54,397 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:54,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:54,402 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555575865]
[2021-03-11 20:08:54,403 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:54,403 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-03-11 20:08:54,403 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831047789]
[2021-03-11 20:08:54,403 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-03-11 20:08:54,404 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:54,405 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-03-11 20:08:54,405 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-03-11 20:08:54,406 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 161 out of 213
[2021-03-11 20:08:54,407 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 65 transitions, 533 flow. Second operand  has 6 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,407 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:54,407 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 213
[2021-03-11 20:08:54,407 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:54,588 INFO  L129       PetriNetUnfolder]: 351/847 cut-off events.
[2021-03-11 20:08:54,588 INFO  L130       PetriNetUnfolder]: For 2567/2770 co-relation queries the response was YES.
[2021-03-11 20:08:54,593 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3733 conditions, 847 events. 351/847 cut-off events. For 2567/2770 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 6446 event pairs, 7 based on Foata normal form. 8/800 useless extension candidates. Maximal degree in co-relation 3698. Up to 240 conditions per place. 
[2021-03-11 20:08:54,597 INFO  L132   encePairwiseOnDemand]: 203/213 looper letters, 16 selfloop transitions, 20 changer transitions 2/82 dead transitions.
[2021-03-11 20:08:54,597 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 82 transitions, 740 flow
[2021-03-11 20:08:54,598 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-03-11 20:08:54,598 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-03-11 20:08:54,600 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1157 transitions.
[2021-03-11 20:08:54,600 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.7759892689470155
[2021-03-11 20:08:54,600 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 1157 transitions.
[2021-03-11 20:08:54,600 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 1157 transitions.
[2021-03-11 20:08:54,601 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:54,601 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1157 transitions.
[2021-03-11 20:08:54,603 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 165.28571428571428) internal successors, (1157), 7 states have internal predecessors, (1157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,605 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,606 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,606 INFO  L185             Difference]: Start difference. First operand has 81 places, 65 transitions, 533 flow. Second operand 7 states and 1157 transitions.
[2021-03-11 20:08:54,606 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 82 transitions, 740 flow
[2021-03-11 20:08:54,643 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 82 transitions, 574 flow, removed 43 selfloop flow, removed 13 redundant places.
[2021-03-11 20:08:54,645 INFO  L241             Difference]: Finished difference. Result has 76 places, 73 transitions, 514 flow
[2021-03-11 20:08:54,645 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=514, PETRI_PLACES=76, PETRI_TRANSITIONS=73}
[2021-03-11 20:08:54,645 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 35 predicate places.
[2021-03-11 20:08:54,646 INFO  L480      AbstractCegarLoop]: Abstraction has has 76 places, 73 transitions, 514 flow
[2021-03-11 20:08:54,646 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,646 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:54,646 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:54,646 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-03-11 20:08:54,646 INFO  L428      AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:54,647 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:54,647 INFO  L82        PathProgramCache]: Analyzing trace with hash -1353278602, now seen corresponding path program 2 times
[2021-03-11 20:08:54,647 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:54,647 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066707041]
[2021-03-11 20:08:54,647 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:54,702 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-11 20:08:54,745 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:54,746 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-11 20:08:54,746 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:54,747 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:54,749 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:54,750 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:54,756 INFO  L142       QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size
[2021-03-11 20:08:54,756 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21
[2021-03-11 20:08:54,767 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-11 20:08:54,768 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-11 20:08:54,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-11 20:08:54,773 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066707041]
[2021-03-11 20:08:54,773 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-11 20:08:54,773 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-03-11 20:08:54,773 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094622214]
[2021-03-11 20:08:54,773 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-03-11 20:08:54,774 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-11 20:08:54,774 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-03-11 20:08:54,776 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-03-11 20:08:54,777 INFO  L500   CegarLoopForPetriNet]: Number of universal loopers: 163 out of 213
[2021-03-11 20:08:54,778 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 73 transitions, 514 flow. Second operand  has 6 states, 6 states have (on average 164.66666666666666) internal successors, (988), 6 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,778 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-11 20:08:54,778 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 213
[2021-03-11 20:08:54,778 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-11 20:08:54,956 INFO  L129       PetriNetUnfolder]: 594/1442 cut-off events.
[2021-03-11 20:08:54,957 INFO  L130       PetriNetUnfolder]: For 2386/2548 co-relation queries the response was YES.
[2021-03-11 20:08:54,966 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 5135 conditions, 1442 events. 594/1442 cut-off events. For 2386/2548 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 12132 event pairs, 18 based on Foata normal form. 17/1342 useless extension candidates. Maximal degree in co-relation 5111. Up to 400 conditions per place. 
[2021-03-11 20:08:54,968 INFO  L132   encePairwiseOnDemand]: 204/213 looper letters, 5 selfloop transitions, 5 changer transitions 55/94 dead transitions.
[2021-03-11 20:08:54,968 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 94 transitions, 776 flow
[2021-03-11 20:08:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-03-11 20:08:54,969 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-03-11 20:08:54,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1170 transitions.
[2021-03-11 20:08:54,971 INFO  L545   CegarLoopForPetriNet]: DFA transition density 0.7847082494969819
[2021-03-11 20:08:54,971 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 1170 transitions.
[2021-03-11 20:08:54,971 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 1170 transitions.
[2021-03-11 20:08:54,972 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-11 20:08:54,972 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1170 transitions.
[2021-03-11 20:08:54,974 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 167.14285714285714) internal successors, (1170), 7 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,977 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,977 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:54,977 INFO  L185             Difference]: Start difference. First operand has 76 places, 73 transitions, 514 flow. Second operand 7 states and 1170 transitions.
[2021-03-11 20:08:54,977 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 94 transitions, 776 flow
[2021-03-11 20:08:55,055 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 94 transitions, 749 flow, removed 1 selfloop flow, removed 2 redundant places.
[2021-03-11 20:08:55,058 INFO  L241             Difference]: Finished difference. Result has 82 places, 39 transitions, 234 flow
[2021-03-11 20:08:55,059 INFO  L318   CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=234, PETRI_PLACES=82, PETRI_TRANSITIONS=39}
[2021-03-11 20:08:55,059 INFO  L335   CegarLoopForPetriNet]: 41 programPoint places, 41 predicate places.
[2021-03-11 20:08:55,059 INFO  L480      AbstractCegarLoop]: Abstraction has has 82 places, 39 transitions, 234 flow
[2021-03-11 20:08:55,071 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 164.66666666666666) internal successors, (988), 6 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-11 20:08:55,071 INFO  L247   CegarLoopForPetriNet]: Found error trace
[2021-03-11 20:08:55,071 INFO  L255   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-11 20:08:55,071 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-03-11 20:08:55,071 INFO  L428      AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-11 20:08:55,072 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-11 20:08:55,072 INFO  L82        PathProgramCache]: Analyzing trace with hash -1772195170, now seen corresponding path program 3 times
[2021-03-11 20:08:55,072 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-11 20:08:55,072 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636759108]
[2021-03-11 20:08:55,072 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-11 20:08:55,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-03-11 20:08:55,106 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-03-11 20:08:55,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-03-11 20:08:55,150 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-03-11 20:08:55,190 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-03-11 20:08:55,191 INFO  L620         BasicCegarLoop]: Counterexample might be feasible
[2021-03-11 20:08:55,191 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-03-11 20:08:55,308 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:08:55 BasicIcfg
[2021-03-11 20:08:55,308 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-03-11 20:08:55,309 INFO  L168              Benchmark]: Toolchain (without parser) took 12676.67 ms. Allocated memory was 337.6 MB in the beginning and 526.4 MB in the end (delta: 188.7 MB). Free memory was 300.6 MB in the beginning and 305.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 185.6 MB. Max. memory is 16.0 GB.
[2021-03-11 20:08:55,309 INFO  L168              Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 337.6 MB. Free memory was 319.0 MB in the beginning and 318.9 MB in the end (delta: 79.2 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-11 20:08:55,310 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 499.96 ms. Allocated memory is still 337.6 MB. Free memory was 300.0 MB in the beginning and 298.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB.
[2021-03-11 20:08:55,310 INFO  L168              Benchmark]: Boogie Procedure Inliner took 44.23 ms. Allocated memory is still 337.6 MB. Free memory was 298.2 MB in the beginning and 295.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-11 20:08:55,312 INFO  L168              Benchmark]: Boogie Preprocessor took 27.11 ms. Allocated memory is still 337.6 MB. Free memory was 295.1 MB in the beginning and 293.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-11 20:08:55,312 INFO  L168              Benchmark]: RCFGBuilder took 1648.86 ms. Allocated memory is still 337.6 MB. Free memory was 293.0 MB in the beginning and 299.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 171.9 MB. Max. memory is 16.0 GB.
[2021-03-11 20:08:55,313 INFO  L168              Benchmark]: TraceAbstraction took 10446.23 ms. Allocated memory was 337.6 MB in the beginning and 526.4 MB in the end (delta: 188.7 MB). Free memory was 298.3 MB in the beginning and 305.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 180.4 MB. Max. memory is 16.0 GB.
[2021-03-11 20:08:55,317 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12 ms. Allocated memory is still 337.6 MB. Free memory was 319.0 MB in the beginning and 318.9 MB in the end (delta: 79.2 kB). There was no memory consumed. Max. memory is 16.0 GB.
 * CACSL2BoogieTranslator took 499.96 ms. Allocated memory is still 337.6 MB. Free memory was 300.0 MB in the beginning and 298.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 44.23 ms. Allocated memory is still 337.6 MB. Free memory was 298.2 MB in the beginning and 295.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 27.11 ms. Allocated memory is still 337.6 MB. Free memory was 295.1 MB in the beginning and 293.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * RCFGBuilder took 1648.86 ms. Allocated memory is still 337.6 MB. Free memory was 293.0 MB in the beginning and 299.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 171.9 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 10446.23 ms. Allocated memory was 337.6 MB in the beginning and 526.4 MB in the end (delta: 188.7 MB). Free memory was 298.3 MB in the beginning and 305.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 180.4 MB. Max. memory is 16.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 6017.2ms, 124 PlacesBefore, 41 PlacesAfterwards, 113 TransitionsBefore, 29 TransitionsAfterwards, 2488 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 96 TotalNumberOfCompositions, 5918 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3369, positive: 3190, positive conditional: 0, positive unconditional: 3190, negative: 179, negative conditional: 0, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1815, positive: 1774, positive conditional: 0, positive unconditional: 1774, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1815, positive: 1744, positive conditional: 0, positive unconditional: 1744, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 372, negative conditional: 0, negative unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 3369, positive: 1416, positive conditional: 0, positive unconditional: 1416, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 1815, unknown conditional: 0, unknown unconditional: 1815] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 202, Positive conditional cache size: 0, Positive unconditional cache size: 202, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18
  - CounterExampleResult [Line: 18]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L710]               0  int __unbuffered_cnt = 0;
[L712]               0  int __unbuffered_p1_EAX = 0;
[L714]               0  int __unbuffered_p2_EAX = 0;
[L716]               0  int __unbuffered_p3_EAX = 0;
[L718]               0  int __unbuffered_p3_EBX = 0;
[L720]               0  int a = 0;
[L722]               0  int b = 0;
[L723]               0  _Bool main$tmp_guard0;
[L724]               0  _Bool main$tmp_guard1;
[L726]               0  int x = 0;
[L728]               0  int y = 0;
[L730]               0  int z = 0;
[L731]               0  _Bool z$flush_delayed;
[L732]               0  int z$mem_tmp;
[L733]               0  _Bool z$r_buff0_thd0;
[L734]               0  _Bool z$r_buff0_thd1;
[L735]               0  _Bool z$r_buff0_thd2;
[L736]               0  _Bool z$r_buff0_thd3;
[L737]               0  _Bool z$r_buff0_thd4;
[L738]               0  _Bool z$r_buff1_thd0;
[L739]               0  _Bool z$r_buff1_thd1;
[L740]               0  _Bool z$r_buff1_thd2;
[L741]               0  _Bool z$r_buff1_thd3;
[L742]               0  _Bool z$r_buff1_thd4;
[L743]               0  _Bool z$read_delayed;
[L744]               0  int *z$read_delayed_var;
[L745]               0  int z$w_buff0;
[L746]               0  _Bool z$w_buff0_used;
[L747]               0  int z$w_buff1;
[L748]               0  _Bool z$w_buff1_used;
[L749]               0  _Bool weak$$choice0;
[L750]               0  _Bool weak$$choice2;
[L856]               0  pthread_t t973;
[L857]  FCALL, FORK  0  pthread_create(&t973, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L858]               0  pthread_t t974;
[L859]  FCALL, FORK  0  pthread_create(&t974, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L860]               0  pthread_t t975;
[L861]  FCALL, FORK  0  pthread_create(&t975, ((void *)0), P2, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L862]               0  pthread_t t976;
[L863]  FCALL, FORK  0  pthread_create(&t976, ((void *)0), P3, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L812]               4  z$w_buff1 = z$w_buff0
[L813]               4  z$w_buff0 = 1
[L814]               4  z$w_buff1_used = z$w_buff0_used
[L815]               4  z$w_buff0_used = (_Bool)1
[L18]   COND FALSE   4  !(!expression)
[L817]               4  z$r_buff1_thd0 = z$r_buff0_thd0
[L818]               4  z$r_buff1_thd1 = z$r_buff0_thd1
[L819]               4  z$r_buff1_thd2 = z$r_buff0_thd2
[L820]               4  z$r_buff1_thd3 = z$r_buff0_thd3
[L821]               4  z$r_buff1_thd4 = z$r_buff0_thd4
[L822]               4  z$r_buff0_thd4 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L825]               4  a = 1
[L828]               4  __unbuffered_p3_EAX = a
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L831]               4  __unbuffered_p3_EBX = b
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L754]               1  b = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L757]               1  x = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L769]               2  x = 2
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L772]               2  __unbuffered_p1_EAX = y
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L784]               3  y = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L787]               3  weak$$choice0 = __VERIFIER_nondet_bool()
[L788]               3  weak$$choice2 = __VERIFIER_nondet_bool()
[L789]               3  z$flush_delayed = weak$$choice2
[L790]               3  z$mem_tmp = z
[L791]  EXPR         3  !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)
[L791]               3  z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)
[L792]  EXPR         3  weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))
[L792]               3  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))
[L793]  EXPR         3  weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))
[L793]               3  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))
[L794]  EXPR         3  weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used))
[L794]               3  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used))
[L795]  EXPR         3  weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L795]               3  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L796]  EXPR         3  weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3))
[L796]               3  z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3))
[L797]  EXPR         3  weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L797]               3  z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L798]               3  __unbuffered_p2_EAX = z
[L799]  EXPR         3  z$flush_delayed ? z$mem_tmp : z
[L799]               3  z = z$flush_delayed ? z$mem_tmp : z
[L800]               3  z$flush_delayed = (_Bool)0
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=1, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L762]               1  __unbuffered_cnt = __unbuffered_cnt + 1
[L764]               1  return 0;
[L777]               2  __unbuffered_cnt = __unbuffered_cnt + 1
[L779]               2  return 0;
[L805]               3  __unbuffered_cnt = __unbuffered_cnt + 1
[L807]               3  return 0;
[L834]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z)
[L834]               4  z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z)
[L835]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used
[L835]               4  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used
[L836]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used
[L836]               4  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used
[L837]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4
[L837]               4  z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4
[L838]  EXPR         4  z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4
[L838]               4  z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4
[L841]               4  __unbuffered_cnt = __unbuffered_cnt + 1
[L843]               4  return 0;
[L865]               0  main$tmp_guard0 = __unbuffered_cnt == 4
[L3]    COND FALSE   0  !(!cond)
[L869]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L869]  EXPR         0  z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z
[L869]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L869]               0  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L870]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L870]               0  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L871]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L871]               0  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L872]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L872]               0  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L873]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
[L873]               0  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
[L876]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0)
[L18]   COND TRUE    0  !expression
[L18]                0  reach_error()
        VAL             [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=1, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 10186.8ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2648.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6124.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 108 SDtfs, 94 SDslu, 146 SDs, 0 SdLazy, 269 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 293.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 323.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=595occurred in iteration=8, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 41.9ms SsaConstructionTime, 364.0ms SatisfiabilityAnalysisTime, 708.0ms InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 1117 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 incorrect!
Received shutdown request...