/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_rmo.opt.i


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


This is Ultimate 0.1.25-b09bf87
[2020-10-16 12:10:59,444 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-16 12:10:59,449 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 12:10:59,473 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 12:10:59,474 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 12:10:59,475 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 12:10:59,476 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-10-16 12:10:59,483 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-10-16 12:10:59,487 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 12:10:59,488 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 12:10:59,489 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 12:10:59,491 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 12:10:59,494 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 12:10:59,495 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 12:10:59,497 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 12:10:59,498 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 12:10:59,499 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 12:10:59,504 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-16 12:10:59,505 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-16 12:10:59,505 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 12:10:59,506 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-10-16 12:10:59,508 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-10-16 12:10:59,512 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-16 12:10:59,513 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-10-16 12:10:59,514 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 12:10:59,516 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 12:10:59,517 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf
[2020-10-16 12:10:59,541 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-16 12:10:59,541 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 12:10:59,542 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 12:10:59,543 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-16 12:10:59,543 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-16 12:10:59,543 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 12:10:59,543 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-16 12:10:59,544 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-16 12:10:59,544 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-16 12:10:59,544 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-16 12:10:59,544 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 12:10:59,544 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 12:10:59,545 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 12:10:59,545 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-16 12:10:59,545 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-16 12:10:59,545 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-16 12:10:59,545 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-16 12:10:59,546 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 12:10:59,546 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-16 12:10:59,546 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-16 12:10:59,546 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-16 12:10:59,546 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 12:10:59,547 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 12:10:59,547 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 12:10:59,547 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 12:10:59,547 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-16 12:10:59,547 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 12:10:59,548 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 12:10:59,548 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 12:10:59,863 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 12:10:59,876 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 12:10:59,880 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 12:10:59,881 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-16 12:10:59,882 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-16 12:10:59,883 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_rmo.opt.i
[2020-10-16 12:10:59,947 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a904846b/fe05cc1178544f198f264749eed90122/FLAGd7d10fa42
[2020-10-16 12:11:00,534 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-16 12:11:00,535 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe027_rmo.opt.i
[2020-10-16 12:11:00,554 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a904846b/fe05cc1178544f198f264749eed90122/FLAGd7d10fa42
[2020-10-16 12:11:00,810 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a904846b/fe05cc1178544f198f264749eed90122
[2020-10-16 12:11:00,818 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 12:11:00,820 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 12:11:00,821 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 12:11:00,821 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 12:11:00,825 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 12:11:00,826 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:11:00" (1/1) ...
[2020-10-16 12:11:00,829 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b05ae09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:00, skipping insertion in model container
[2020-10-16 12:11:00,830 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:11:00" (1/1) ...
[2020-10-16 12:11:00,840 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-16 12:11:00,909 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-16 12:11:01,404 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:11:01,418 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-16 12:11:01,498 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:11:01,577 INFO  L208         MainTranslator]: Completed translation
[2020-10-16 12:11:01,578 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01 WrapperNode
[2020-10-16 12:11:01,578 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 12:11:01,579 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 12:11:01,579 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 12:11:01,580 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 12:11:01,589 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
[2020-10-16 12:11:01,613 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
[2020-10-16 12:11:01,650 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 12:11:01,650 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 12:11:01,651 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 12:11:01,651 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 12:11:01,661 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
[2020-10-16 12:11:01,662 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
[2020-10-16 12:11:01,668 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
[2020-10-16 12:11:01,668 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
[2020-10-16 12:11:01,682 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
[2020-10-16 12:11:01,688 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
[2020-10-16 12:11:01,692 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
[2020-10-16 12:11:01,699 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 12:11:01,700 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 12:11:01,700 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 12:11:01,700 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-16 12:11:01,701 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 12:11:01,769 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-10-16 12:11:01,769 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 12:11:01,769 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 12:11:01,770 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 12:11:01,770 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 12:11:01,770 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 12:11:01,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 12:11:01,771 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 12:11:01,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 12:11:01,771 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2020-10-16 12:11:01,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2020-10-16 12:11:01,771 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2020-10-16 12:11:01,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2020-10-16 12:11:01,772 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-16 12:11:01,772 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 12:11:01,772 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 12:11:01,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 12:11:01,775 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-10-16 12:11:04,463 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 12:11:04,463 INFO  L298             CfgBuilder]: Removed 8 assume(true) statements.
[2020-10-16 12:11:04,466 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:11:04 BoogieIcfgContainer
[2020-10-16 12:11:04,466 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 12:11:04,467 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 12:11:04,468 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 12:11:04,471 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-16 12:11:04,472 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:11:00" (1/3) ...
[2020-10-16 12:11:04,473 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7bd0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:11:04, skipping insertion in model container
[2020-10-16 12:11:04,473 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:11:01" (2/3) ...
[2020-10-16 12:11:04,473 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7bd0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:11:04, skipping insertion in model container
[2020-10-16 12:11:04,474 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:11:04" (3/3) ...
[2020-10-16 12:11:04,476 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe027_rmo.opt.i
[2020-10-16 12:11:04,489 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 12:11:04,490 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 12:11:04,499 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-16 12:11:04,500 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 12:11:04,540 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,540 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,541 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,541 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,541 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,541 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,541 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,542 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,542 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,542 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,542 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,542 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,543 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,543 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,543 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,543 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,543 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,543 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,544 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,544 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,544 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,544 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,544 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,544 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,545 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,545 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,545 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,545 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,545 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,545 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,546 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,546 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,546 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,546 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,546 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,546 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,547 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,547 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,547 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,547 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,547 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,547 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,548 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,548 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,548 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,548 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,548 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,548 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,550 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,551 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,551 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,551 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,551 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,552 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,552 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,552 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,552 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,553 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,553 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,553 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,553 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,553 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,554 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,554 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,554 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,554 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,554 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,554 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,555 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,555 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,555 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,555 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,555 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,555 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,555 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,556 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,556 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,556 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,556 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,556 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,557 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,557 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,557 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,557 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,557 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,557 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,558 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,558 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,558 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,558 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,558 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,558 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,559 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,559 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,559 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,559 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,559 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,559 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,560 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,560 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,560 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,560 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,560 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,561 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,563 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,563 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,563 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,564 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,564 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,564 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,564 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,564 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,565 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,565 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,565 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,565 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,565 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,566 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,566 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,566 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,567 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,571 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,571 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,572 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,572 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,572 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,572 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,572 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,573 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,573 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,573 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,573 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,579 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,579 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,579 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,580 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,580 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,580 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,580 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,580 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,581 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,581 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,581 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,581 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,581 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,581 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,582 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,582 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,582 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,582 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,582 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,582 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,583 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,583 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,583 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,583 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,583 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,584 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,584 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,584 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,584 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,584 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,584 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,586 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,586 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,587 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,587 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,588 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,588 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,589 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,589 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,589 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,589 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,589 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,590 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,590 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,590 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,590 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,590 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,591 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,591 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,591 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,591 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,591 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,592 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,592 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,592 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,592 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,592 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,592 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,593 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,593 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,593 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,593 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,593 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,594 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,594 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,594 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:11:04,595 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 12:11:04,610 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-16 12:11:04,633 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-16 12:11:04,633 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-16 12:11:04,633 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 12:11:04,634 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-16 12:11:04,634 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 12:11:04,634 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-16 12:11:04,634 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 12:11:04,634 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 12:11:04,649 INFO  L137   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 12:11:04,650 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 124 transitions, 268 flow
[2020-10-16 12:11:04,653 INFO  L111        LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 124 transitions, 268 flow
[2020-10-16 12:11:04,655 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 135 places, 124 transitions, 268 flow
[2020-10-16 12:11:04,715 INFO  L129       PetriNetUnfolder]: 2/120 cut-off events.
[2020-10-16 12:11:04,715 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 12:11:04,721 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 133 conditions, 120 events. 2/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. 
[2020-10-16 12:11:04,725 INFO  L117        LiptonReduction]: Number of co-enabled transitions 1956
[2020-10-16 12:11:05,656 WARN  L193               SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70
[2020-10-16 12:11:05,672 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 4, 2, 1] term
[2020-10-16 12:11:05,672 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 12:11:05,674 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term
[2020-10-16 12:11:05,675 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 12:11:05,784 WARN  L193               SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63
[2020-10-16 12:11:07,036 WARN  L193               SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 238 DAG size of output: 198
[2020-10-16 12:11:07,049 INFO  L375       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term
[2020-10-16 12:11:07,049 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 12:11:07,661 WARN  L193               SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 110
[2020-10-16 12:11:08,015 WARN  L193               SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 65
[2020-10-16 12:11:08,149 WARN  L193               SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 65
[2020-10-16 12:11:08,778 WARN  L193               SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43
[2020-10-16 12:11:09,670 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64
[2020-10-16 12:11:10,108 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87
[2020-10-16 12:11:10,243 WARN  L193               SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 85
[2020-10-16 12:11:10,942 WARN  L193               SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 144
[2020-10-16 12:11:11,233 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 140
[2020-10-16 12:11:11,240 INFO  L132        LiptonReduction]: Checked pairs total: 4756
[2020-10-16 12:11:11,240 INFO  L134        LiptonReduction]: Total number of compositions: 107
[2020-10-16 12:11:11,246 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 27 transitions, 74 flow
[2020-10-16 12:11:11,327 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1090 states.
[2020-10-16 12:11:11,330 INFO  L276                IsEmpty]: Start isEmpty. Operand 1090 states.
[2020-10-16 12:11:11,341 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-10-16 12:11:11,341 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:11,342 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:11,342 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:11,348 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:11,348 INFO  L82        PathProgramCache]: Analyzing trace with hash 1727210212, now seen corresponding path program 1 times
[2020-10-16 12:11:11,358 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:11,358 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997999105]
[2020-10-16 12:11:11,358 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:11,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:11,632 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:11,633 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997999105]
[2020-10-16 12:11:11,634 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:11,634 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:11:11,635 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587142561]
[2020-10-16 12:11:11,640 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:11:11,640 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:11,654 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:11:11,655 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:11:11,658 INFO  L87              Difference]: Start difference. First operand 1090 states. Second operand 3 states.
[2020-10-16 12:11:11,741 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:11,742 INFO  L93              Difference]: Finished difference Result 1042 states and 3746 transitions.
[2020-10-16 12:11:11,743 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:11:11,744 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 11
[2020-10-16 12:11:11,744 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:11,779 INFO  L225             Difference]: With dead ends: 1042
[2020-10-16 12:11:11,779 INFO  L226             Difference]: Without dead ends: 850
[2020-10-16 12:11:11,780 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:11:11,818 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 850 states.
[2020-10-16 12:11:11,916 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850.
[2020-10-16 12:11:11,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 850 states.
[2020-10-16 12:11:11,926 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 2994 transitions.
[2020-10-16 12:11:11,927 INFO  L78                 Accepts]: Start accepts. Automaton has 850 states and 2994 transitions. Word has length 11
[2020-10-16 12:11:11,929 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:11,929 INFO  L481      AbstractCegarLoop]: Abstraction has 850 states and 2994 transitions.
[2020-10-16 12:11:11,929 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:11:11,929 INFO  L276                IsEmpty]: Start isEmpty. Operand 850 states and 2994 transitions.
[2020-10-16 12:11:11,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 12:11:11,933 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:11,933 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:11,933 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 12:11:11,934 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:11,934 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:11,934 INFO  L82        PathProgramCache]: Analyzing trace with hash 1036472285, now seen corresponding path program 1 times
[2020-10-16 12:11:11,934 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:11,935 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719232126]
[2020-10-16 12:11:11,935 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:11,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:12,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:12,030 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719232126]
[2020-10-16 12:11:12,030 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:12,030 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 12:11:12,031 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923461627]
[2020-10-16 12:11:12,032 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 12:11:12,032 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:12,033 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 12:11:12,033 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:11:12,033 INFO  L87              Difference]: Start difference. First operand 850 states and 2994 transitions. Second operand 4 states.
[2020-10-16 12:11:12,083 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:12,083 INFO  L93              Difference]: Finished difference Result 1138 states and 3894 transitions.
[2020-10-16 12:11:12,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 12:11:12,084 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-10-16 12:11:12,085 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:12,091 INFO  L225             Difference]: With dead ends: 1138
[2020-10-16 12:11:12,091 INFO  L226             Difference]: Without dead ends: 634
[2020-10-16 12:11:12,092 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:11:12,096 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 634 states.
[2020-10-16 12:11:12,117 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634.
[2020-10-16 12:11:12,117 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 634 states.
[2020-10-16 12:11:12,121 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2104 transitions.
[2020-10-16 12:11:12,121 INFO  L78                 Accepts]: Start accepts. Automaton has 634 states and 2104 transitions. Word has length 12
[2020-10-16 12:11:12,122 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:12,122 INFO  L481      AbstractCegarLoop]: Abstraction has 634 states and 2104 transitions.
[2020-10-16 12:11:12,122 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 12:11:12,122 INFO  L276                IsEmpty]: Start isEmpty. Operand 634 states and 2104 transitions.
[2020-10-16 12:11:12,125 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-10-16 12:11:12,125 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:12,125 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:12,125 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 12:11:12,125 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:12,126 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:12,126 INFO  L82        PathProgramCache]: Analyzing trace with hash -1113819785, now seen corresponding path program 1 times
[2020-10-16 12:11:12,126 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:12,126 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581774952]
[2020-10-16 12:11:12,127 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:12,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:12,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:12,209 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581774952]
[2020-10-16 12:11:12,209 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:12,210 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:11:12,210 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311346789]
[2020-10-16 12:11:12,210 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:11:12,210 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:12,211 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:11:12,211 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:11:12,211 INFO  L87              Difference]: Start difference. First operand 634 states and 2104 transitions. Second operand 3 states.
[2020-10-16 12:11:12,226 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:12,227 INFO  L93              Difference]: Finished difference Result 610 states and 2010 transitions.
[2020-10-16 12:11:12,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:11:12,228 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 13
[2020-10-16 12:11:12,228 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:12,233 INFO  L225             Difference]: With dead ends: 610
[2020-10-16 12:11:12,233 INFO  L226             Difference]: Without dead ends: 610
[2020-10-16 12:11:12,234 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:11:12,237 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 610 states.
[2020-10-16 12:11:12,253 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610.
[2020-10-16 12:11:12,253 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 610 states.
[2020-10-16 12:11:12,257 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 2010 transitions.
[2020-10-16 12:11:12,258 INFO  L78                 Accepts]: Start accepts. Automaton has 610 states and 2010 transitions. Word has length 13
[2020-10-16 12:11:12,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:12,258 INFO  L481      AbstractCegarLoop]: Abstraction has 610 states and 2010 transitions.
[2020-10-16 12:11:12,258 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:11:12,259 INFO  L276                IsEmpty]: Start isEmpty. Operand 610 states and 2010 transitions.
[2020-10-16 12:11:12,260 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:11:12,260 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:12,260 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:12,261 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 12:11:12,261 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:12,261 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:12,261 INFO  L82        PathProgramCache]: Analyzing trace with hash 266544411, now seen corresponding path program 1 times
[2020-10-16 12:11:12,262 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:12,262 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554821352]
[2020-10-16 12:11:12,262 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:12,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:12,589 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:12,589 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554821352]
[2020-10-16 12:11:12,590 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:12,590 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-16 12:11:12,590 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899049016]
[2020-10-16 12:11:12,590 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-10-16 12:11:12,591 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:12,591 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-10-16 12:11:12,592 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-10-16 12:11:12,592 INFO  L87              Difference]: Start difference. First operand 610 states and 2010 transitions. Second operand 8 states.
[2020-10-16 12:11:12,807 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:12,808 INFO  L93              Difference]: Finished difference Result 604 states and 1985 transitions.
[2020-10-16 12:11:12,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 12:11:12,809 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 14
[2020-10-16 12:11:12,809 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:12,814 INFO  L225             Difference]: With dead ends: 604
[2020-10-16 12:11:12,814 INFO  L226             Difference]: Without dead ends: 604
[2020-10-16 12:11:12,815 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-10-16 12:11:12,818 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 604 states.
[2020-10-16 12:11:12,834 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 604.
[2020-10-16 12:11:12,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 604 states.
[2020-10-16 12:11:12,838 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1985 transitions.
[2020-10-16 12:11:12,838 INFO  L78                 Accepts]: Start accepts. Automaton has 604 states and 1985 transitions. Word has length 14
[2020-10-16 12:11:12,838 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:12,838 INFO  L481      AbstractCegarLoop]: Abstraction has 604 states and 1985 transitions.
[2020-10-16 12:11:12,838 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-10-16 12:11:12,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 604 states and 1985 transitions.
[2020-10-16 12:11:12,840 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-10-16 12:11:12,840 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:12,841 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:12,841 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 12:11:12,841 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:12,841 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:12,841 INFO  L82        PathProgramCache]: Analyzing trace with hash 1683531764, now seen corresponding path program 1 times
[2020-10-16 12:11:12,842 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:12,842 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046720290]
[2020-10-16 12:11:12,842 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:12,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:13,369 WARN  L193               SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28
[2020-10-16 12:11:13,391 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:13,392 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046720290]
[2020-10-16 12:11:13,392 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:13,392 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:11:13,393 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295803314]
[2020-10-16 12:11:13,393 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:11:13,393 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:13,393 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:11:13,394 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:11:13,394 INFO  L87              Difference]: Start difference. First operand 604 states and 1985 transitions. Second operand 7 states.
[2020-10-16 12:11:13,767 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:13,768 INFO  L93              Difference]: Finished difference Result 1066 states and 3388 transitions.
[2020-10-16 12:11:13,768 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 12:11:13,769 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 15
[2020-10-16 12:11:13,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:13,778 INFO  L225             Difference]: With dead ends: 1066
[2020-10-16 12:11:13,778 INFO  L226             Difference]: Without dead ends: 994
[2020-10-16 12:11:13,780 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-10-16 12:11:13,785 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 994 states.
[2020-10-16 12:11:13,813 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 802.
[2020-10-16 12:11:13,813 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 802 states.
[2020-10-16 12:11:13,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 2600 transitions.
[2020-10-16 12:11:13,818 INFO  L78                 Accepts]: Start accepts. Automaton has 802 states and 2600 transitions. Word has length 15
[2020-10-16 12:11:13,818 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:13,818 INFO  L481      AbstractCegarLoop]: Abstraction has 802 states and 2600 transitions.
[2020-10-16 12:11:13,818 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:11:13,819 INFO  L276                IsEmpty]: Start isEmpty. Operand 802 states and 2600 transitions.
[2020-10-16 12:11:13,821 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-10-16 12:11:13,821 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:13,821 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:13,821 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 12:11:13,822 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:13,822 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:13,822 INFO  L82        PathProgramCache]: Analyzing trace with hash -327057808, now seen corresponding path program 1 times
[2020-10-16 12:11:13,822 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:13,823 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973367921]
[2020-10-16 12:11:13,823 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:13,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:13,968 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:13,968 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973367921]
[2020-10-16 12:11:13,969 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:13,969 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 12:11:13,969 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849973364]
[2020-10-16 12:11:13,970 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 12:11:13,970 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:13,972 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 12:11:13,972 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:11:13,973 INFO  L87              Difference]: Start difference. First operand 802 states and 2600 transitions. Second operand 4 states.
[2020-10-16 12:11:14,020 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:14,021 INFO  L93              Difference]: Finished difference Result 900 states and 2684 transitions.
[2020-10-16 12:11:14,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 12:11:14,021 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 15
[2020-10-16 12:11:14,021 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:14,027 INFO  L225             Difference]: With dead ends: 900
[2020-10-16 12:11:14,027 INFO  L226             Difference]: Without dead ends: 698
[2020-10-16 12:11:14,027 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:11:14,030 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 698 states.
[2020-10-16 12:11:14,047 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698.
[2020-10-16 12:11:14,047 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 698 states.
[2020-10-16 12:11:14,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 2104 transitions.
[2020-10-16 12:11:14,051 INFO  L78                 Accepts]: Start accepts. Automaton has 698 states and 2104 transitions. Word has length 15
[2020-10-16 12:11:14,051 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:14,051 INFO  L481      AbstractCegarLoop]: Abstraction has 698 states and 2104 transitions.
[2020-10-16 12:11:14,051 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 12:11:14,051 INFO  L276                IsEmpty]: Start isEmpty. Operand 698 states and 2104 transitions.
[2020-10-16 12:11:14,053 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2020-10-16 12:11:14,053 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:14,053 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:14,054 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-16 12:11:14,054 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:14,054 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:14,054 INFO  L82        PathProgramCache]: Analyzing trace with hash -1764221078, now seen corresponding path program 1 times
[2020-10-16 12:11:14,054 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:14,055 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017393778]
[2020-10-16 12:11:14,055 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:14,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:14,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:14,128 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017393778]
[2020-10-16 12:11:14,128 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:14,128 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:11:14,129 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400947224]
[2020-10-16 12:11:14,129 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:11:14,129 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:14,129 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:11:14,130 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:11:14,130 INFO  L87              Difference]: Start difference. First operand 698 states and 2104 transitions. Second operand 5 states.
[2020-10-16 12:11:14,184 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:14,185 INFO  L93              Difference]: Finished difference Result 658 states and 1790 transitions.
[2020-10-16 12:11:14,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 12:11:14,186 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 16
[2020-10-16 12:11:14,186 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:14,189 INFO  L225             Difference]: With dead ends: 658
[2020-10-16 12:11:14,190 INFO  L226             Difference]: Without dead ends: 503
[2020-10-16 12:11:14,190 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-10-16 12:11:14,192 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 503 states.
[2020-10-16 12:11:14,205 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503.
[2020-10-16 12:11:14,205 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 503 states.
[2020-10-16 12:11:14,208 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 1347 transitions.
[2020-10-16 12:11:14,208 INFO  L78                 Accepts]: Start accepts. Automaton has 503 states and 1347 transitions. Word has length 16
[2020-10-16 12:11:14,208 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:14,209 INFO  L481      AbstractCegarLoop]: Abstraction has 503 states and 1347 transitions.
[2020-10-16 12:11:14,209 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:11:14,209 INFO  L276                IsEmpty]: Start isEmpty. Operand 503 states and 1347 transitions.
[2020-10-16 12:11:14,210 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-10-16 12:11:14,210 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:14,211 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:14,211 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-16 12:11:14,211 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:14,211 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:14,211 INFO  L82        PathProgramCache]: Analyzing trace with hash 1035207769, now seen corresponding path program 1 times
[2020-10-16 12:11:14,212 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:14,212 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706127179]
[2020-10-16 12:11:14,212 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:14,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:14,438 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:14,438 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706127179]
[2020-10-16 12:11:14,439 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:14,439 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:11:14,439 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949713267]
[2020-10-16 12:11:14,440 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:11:14,440 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:14,440 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:11:14,440 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:11:14,440 INFO  L87              Difference]: Start difference. First operand 503 states and 1347 transitions. Second operand 7 states.
[2020-10-16 12:11:14,655 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:14,655 INFO  L93              Difference]: Finished difference Result 804 states and 2121 transitions.
[2020-10-16 12:11:14,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 12:11:14,656 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 17
[2020-10-16 12:11:14,656 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:14,660 INFO  L225             Difference]: With dead ends: 804
[2020-10-16 12:11:14,660 INFO  L226             Difference]: Without dead ends: 681
[2020-10-16 12:11:14,661 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-10-16 12:11:14,663 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 681 states.
[2020-10-16 12:11:14,675 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 512.
[2020-10-16 12:11:14,675 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 512 states.
[2020-10-16 12:11:14,677 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1360 transitions.
[2020-10-16 12:11:14,677 INFO  L78                 Accepts]: Start accepts. Automaton has 512 states and 1360 transitions. Word has length 17
[2020-10-16 12:11:14,677 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:14,677 INFO  L481      AbstractCegarLoop]: Abstraction has 512 states and 1360 transitions.
[2020-10-16 12:11:14,678 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:11:14,678 INFO  L276                IsEmpty]: Start isEmpty. Operand 512 states and 1360 transitions.
[2020-10-16 12:11:14,679 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-10-16 12:11:14,679 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:14,679 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:14,679 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-10-16 12:11:14,679 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:14,680 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:14,680 INFO  L82        PathProgramCache]: Analyzing trace with hash -1063053225, now seen corresponding path program 2 times
[2020-10-16 12:11:14,680 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:14,680 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491331747]
[2020-10-16 12:11:14,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:14,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:14,827 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:14,827 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491331747]
[2020-10-16 12:11:14,827 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:14,828 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:11:14,828 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265593646]
[2020-10-16 12:11:14,828 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:11:14,828 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:14,829 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:11:14,829 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:11:14,829 INFO  L87              Difference]: Start difference. First operand 512 states and 1360 transitions. Second operand 7 states.
[2020-10-16 12:11:15,101 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:15,101 INFO  L93              Difference]: Finished difference Result 681 states and 1767 transitions.
[2020-10-16 12:11:15,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 12:11:15,102 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 17
[2020-10-16 12:11:15,102 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:15,108 INFO  L225             Difference]: With dead ends: 681
[2020-10-16 12:11:15,108 INFO  L226             Difference]: Without dead ends: 653
[2020-10-16 12:11:15,109 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110
[2020-10-16 12:11:15,111 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 653 states.
[2020-10-16 12:11:15,124 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 452.
[2020-10-16 12:11:15,124 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 452 states.
[2020-10-16 12:11:15,126 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 1198 transitions.
[2020-10-16 12:11:15,126 INFO  L78                 Accepts]: Start accepts. Automaton has 452 states and 1198 transitions. Word has length 17
[2020-10-16 12:11:15,128 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:15,128 INFO  L481      AbstractCegarLoop]: Abstraction has 452 states and 1198 transitions.
[2020-10-16 12:11:15,128 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:11:15,128 INFO  L276                IsEmpty]: Start isEmpty. Operand 452 states and 1198 transitions.
[2020-10-16 12:11:15,130 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-10-16 12:11:15,130 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:15,130 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:15,130 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-10-16 12:11:15,130 INFO  L429      AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:15,131 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:15,131 INFO  L82        PathProgramCache]: Analyzing trace with hash 681380094, now seen corresponding path program 1 times
[2020-10-16 12:11:15,131 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:15,131 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183748712]
[2020-10-16 12:11:15,132 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:15,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:15,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:15,240 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183748712]
[2020-10-16 12:11:15,240 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:15,240 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:11:15,240 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641000280]
[2020-10-16 12:11:15,241 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 12:11:15,241 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:15,241 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 12:11:15,241 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-10-16 12:11:15,242 INFO  L87              Difference]: Start difference. First operand 452 states and 1198 transitions. Second operand 6 states.
[2020-10-16 12:11:15,306 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:15,306 INFO  L93              Difference]: Finished difference Result 397 states and 1006 transitions.
[2020-10-16 12:11:15,307 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 12:11:15,307 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 18
[2020-10-16 12:11:15,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:15,310 INFO  L225             Difference]: With dead ends: 397
[2020-10-16 12:11:15,310 INFO  L226             Difference]: Without dead ends: 332
[2020-10-16 12:11:15,310 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:11:15,312 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 332 states.
[2020-10-16 12:11:15,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332.
[2020-10-16 12:11:15,318 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 332 states.
[2020-10-16 12:11:15,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 849 transitions.
[2020-10-16 12:11:15,320 INFO  L78                 Accepts]: Start accepts. Automaton has 332 states and 849 transitions. Word has length 18
[2020-10-16 12:11:15,321 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:15,321 INFO  L481      AbstractCegarLoop]: Abstraction has 332 states and 849 transitions.
[2020-10-16 12:11:15,321 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 12:11:15,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 332 states and 849 transitions.
[2020-10-16 12:11:15,322 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-10-16 12:11:15,322 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:15,322 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:15,323 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-10-16 12:11:15,323 INFO  L429      AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:15,323 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:15,323 INFO  L82        PathProgramCache]: Analyzing trace with hash 1597123246, now seen corresponding path program 1 times
[2020-10-16 12:11:15,323 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:15,324 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030959093]
[2020-10-16 12:11:15,324 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:15,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:11:15,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:11:15,475 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030959093]
[2020-10-16 12:11:15,475 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:11:15,476 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-16 12:11:15,476 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947488127]
[2020-10-16 12:11:15,476 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:11:15,476 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:11:15,477 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:11:15,477 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:11:15,477 INFO  L87              Difference]: Start difference. First operand 332 states and 849 transitions. Second operand 7 states.
[2020-10-16 12:11:15,548 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:11:15,548 INFO  L93              Difference]: Finished difference Result 313 states and 809 transitions.
[2020-10-16 12:11:15,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-10-16 12:11:15,553 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 20
[2020-10-16 12:11:15,553 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:11:15,555 INFO  L225             Difference]: With dead ends: 313
[2020-10-16 12:11:15,555 INFO  L226             Difference]: Without dead ends: 259
[2020-10-16 12:11:15,555 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2020-10-16 12:11:15,556 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 259 states.
[2020-10-16 12:11:15,561 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 247.
[2020-10-16 12:11:15,561 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 247 states.
[2020-10-16 12:11:15,562 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 657 transitions.
[2020-10-16 12:11:15,562 INFO  L78                 Accepts]: Start accepts. Automaton has 247 states and 657 transitions. Word has length 20
[2020-10-16 12:11:15,562 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:11:15,563 INFO  L481      AbstractCegarLoop]: Abstraction has 247 states and 657 transitions.
[2020-10-16 12:11:15,563 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:11:15,563 INFO  L276                IsEmpty]: Start isEmpty. Operand 247 states and 657 transitions.
[2020-10-16 12:11:15,564 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-10-16 12:11:15,564 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:11:15,564 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:11:15,564 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-10-16 12:11:15,564 INFO  L429      AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:11:15,565 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:11:15,565 INFO  L82        PathProgramCache]: Analyzing trace with hash 706484492, now seen corresponding path program 1 times
[2020-10-16 12:11:15,565 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:11:15,565 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827446142]
[2020-10-16 12:11:15,565 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:11:15,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 12:11:15,629 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 12:11:15,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 12:11:15,686 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 12:11:15,742 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-10-16 12:11:15,742 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-10-16 12:11:15,743 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-10-16 12:11:15,744 WARN  L264   etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available.
[2020-10-16 12:11:15,769 WARN  L124   codingBacktranslator]: Skipped backtranslation of ATE [1274] [1274] L3-->L870: Formula: (let ((.cse9 (= (mod ~y$r_buff1_thd0~0_In-1897930937 256) 0)) (.cse10 (= (mod ~y$w_buff1_used~0_In-1897930937 256) 0)) (.cse7 (= (mod ~y$r_buff0_thd0~0_In-1897930937 256) 0)) (.cse8 (= (mod ~y$w_buff0_used~0_In-1897930937 256) 0))) (let ((.cse0 (or .cse7 .cse8)) (.cse3 (not .cse10)) (.cse4 (not .cse9)) (.cse5 (or .cse9 .cse10)) (.cse1 (not .cse8)) (.cse2 (not .cse7))) (and (or (and .cse0 (= ~y$w_buff0_used~0_Out-1897930937 ~y$w_buff0_used~0_In-1897930937)) (and .cse1 .cse2 (= ~y$w_buff0_used~0_Out-1897930937 0))) (= ~y$r_buff1_thd0~0_Out-1897930937 ~y$r_buff1_thd0~0_In-1897930937) (= ~y$r_buff0_thd0~0_In-1897930937 ~y$r_buff0_thd0~0_Out-1897930937) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1897930937 0)) (or (and .cse3 .cse4 (= ~y$w_buff1_used~0_Out-1897930937 0)) (and .cse5 (= ~y$w_buff1_used~0_In-1897930937 ~y$w_buff1_used~0_Out-1897930937))) (let ((.cse6 (select |#memory_int_In-1897930937| |~#y~0.base_In-1897930937|))) (or (and .cse0 (or (and .cse3 .cse4 (= |#memory_int_Out-1897930937| (store |#memory_int_In-1897930937| |~#y~0.base_In-1897930937| (store .cse6 |~#y~0.offset_In-1897930937| ~y$w_buff1~0_In-1897930937)))) (and .cse5 (= (store |#memory_int_In-1897930937| |~#y~0.base_In-1897930937| (store .cse6 |~#y~0.offset_In-1897930937| (select .cse6 |~#y~0.offset_In-1897930937|))) |#memory_int_Out-1897930937|)))) (and .cse1 .cse2 (= |#memory_int_Out-1897930937| (store |#memory_int_In-1897930937| |~#y~0.base_In-1897930937| (store .cse6 |~#y~0.offset_In-1897930937| ~y$w_buff0~0_In-1897930937)))))) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1897930937 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1897930937|))))  InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1897930937|, ~#y~0.offset=|~#y~0.offset_In-1897930937|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1897930937, ~y$w_buff1~0=~y$w_buff1~0_In-1897930937, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1897930937, ~y$w_buff0~0=~y$w_buff0~0_In-1897930937, #memory_int=|#memory_int_In-1897930937|, ~#y~0.base=|~#y~0.base_In-1897930937|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1897930937, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1897930937}  OutVars{ULTIMATE.start_main_#t~mem67=|ULTIMATE.start_main_#t~mem67_Out-1897930937|, ~#y~0.offset=|~#y~0.offset_In-1897930937|, ~y$w_buff0_used~0=~y$w_buff0_used~0_Out-1897930937, ULTIMATE.start_main_#t~ite68=|ULTIMATE.start_main_#t~ite68_Out-1897930937|, ULTIMATE.start_main_#t~ite69=|ULTIMATE.start_main_#t~ite69_Out-1897930937|, ~#y~0.base=|~#y~0.base_In-1897930937|, ULTIMATE.start_main_#t~ite73=|ULTIMATE.start_main_#t~ite73_Out-1897930937|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1897930937|, ULTIMATE.start_main_#t~ite71=|ULTIMATE.start_main_#t~ite71_Out-1897930937|, ULTIMATE.start_main_#t~ite72=|ULTIMATE.start_main_#t~ite72_Out-1897930937|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1897930937, ~y$w_buff1~0=~y$w_buff1~0_In-1897930937, ULTIMATE.start_main_#t~ite70=|ULTIMATE.start_main_#t~ite70_Out-1897930937|, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out-1897930937, ~y$w_buff0~0=~y$w_buff0~0_In-1897930937, #memory_int=|#memory_int_Out-1897930937|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out-1897930937, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out-1897930937}  AuxVars[]  AssignedVars[ULTIMATE.start_main_#t~mem67, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite68, ULTIMATE.start_main_#t~ite69, ULTIMATE.start_main_#t~ite73, ULTIMATE.start_main_#t~ite71, ULTIMATE.start_main_#t~ite72, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite70, ~y$r_buff0_thd0~0, #memory_int, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0] because there is no mapped edge
[2020-10-16 12:11:15,792 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,792 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,792 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,793 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,793 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,793 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,793 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,793 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,794 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,794 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,794 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,795 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,795 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,795 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,795 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,795 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,796 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,796 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,796 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,796 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,796 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,797 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,797 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,797 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,797 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,797 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,803 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,803 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,804 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,804 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,804 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,804 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,804 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,805 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,805 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,805 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,805 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,805 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,805 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,806 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,806 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,806 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,806 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,806 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,806 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,806 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,807 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,807 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,807 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,807 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,807 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,807 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,807 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,808 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,809 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,809 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,809 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,809 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,809 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,809 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,810 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,810 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,810 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,810 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,810 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,810 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,811 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:11:15,811 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:11:15,928 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:11:15 BasicIcfg
[2020-10-16 12:11:15,928 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 12:11:15,930 INFO  L168              Benchmark]: Toolchain (without parser) took 15110.05 ms. Allocated memory was 147.8 MB in the beginning and 432.0 MB in the end (delta: 284.2 MB). Free memory was 101.8 MB in the beginning and 236.7 MB in the end (delta: -134.9 MB). Peak memory consumption was 149.2 MB. Max. memory is 7.1 GB.
[2020-10-16 12:11:15,930 INFO  L168              Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-10-16 12:11:15,931 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 757.81 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 101.6 MB in the beginning and 155.4 MB in the end (delta: -53.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB.
[2020-10-16 12:11:15,931 INFO  L168              Benchmark]: Boogie Procedure Inliner took 70.84 ms. Allocated memory is still 203.9 MB. Free memory was 155.4 MB in the beginning and 152.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-10-16 12:11:15,932 INFO  L168              Benchmark]: Boogie Preprocessor took 49.30 ms. Allocated memory is still 203.9 MB. Free memory was 152.8 MB in the beginning and 150.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-10-16 12:11:15,933 INFO  L168              Benchmark]: RCFGBuilder took 2766.28 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 150.2 MB in the beginning and 193.1 MB in the end (delta: -42.9 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB.
[2020-10-16 12:11:15,934 INFO  L168              Benchmark]: TraceAbstraction took 11460.54 ms. Allocated memory was 246.9 MB in the beginning and 432.0 MB in the end (delta: 185.1 MB). Free memory was 193.1 MB in the beginning and 236.7 MB in the end (delta: -43.6 MB). Peak memory consumption was 141.4 MB. Max. memory is 7.1 GB.
[2020-10-16 12:11:15,937 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 757.81 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 101.6 MB in the beginning and 155.4 MB in the end (delta: -53.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 70.84 ms. Allocated memory is still 203.9 MB. Free memory was 155.4 MB in the beginning and 152.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 49.30 ms. Allocated memory is still 203.9 MB. Free memory was 152.8 MB in the beginning and 150.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 2766.28 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 150.2 MB in the beginning and 193.1 MB in the end (delta: -42.9 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 11460.54 ms. Allocated memory was 246.9 MB in the beginning and 432.0 MB in the end (delta: 185.1 MB). Free memory was 193.1 MB in the beginning and 236.7 MB in the end (delta: -43.6 MB). Peak memory consumption was 141.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    995 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 84 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.5s, 135 PlacesBefore, 40 PlacesAfterwards, 124 TransitionsBefore, 27 TransitionsAfterwards, 1956 CoEnabledTransitionPairs, 7 FixpointIterations, 55 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 107 TotalNumberOfCompositions, 4756 MoverChecksTotal
  - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L700]               0  int __unbuffered_cnt = 0;
[L702]               0  int __unbuffered_p0_EAX = 0;
[L703]               0  _Bool __unbuffered_p0_EAX$flush_delayed;
[L704]               0  int __unbuffered_p0_EAX$mem_tmp;
[L705]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd0;
[L706]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd1;
[L707]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd2;
[L708]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd3;
[L709]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd4;
[L710]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd0;
[L711]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd1;
[L712]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd2;
[L713]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd3;
[L714]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd4;
[L715]               0  _Bool __unbuffered_p0_EAX$read_delayed;
[L716]               0  int *__unbuffered_p0_EAX$read_delayed_var;
[L717]               0  int __unbuffered_p0_EAX$w_buff0;
[L718]               0  _Bool __unbuffered_p0_EAX$w_buff0_used;
[L719]               0  int __unbuffered_p0_EAX$w_buff1;
[L720]               0  _Bool __unbuffered_p0_EAX$w_buff1_used;
[L722]               0  int __unbuffered_p0_EBX = 0;
[L724]               0  int __unbuffered_p2_EAX = 0;
[L726]               0  int __unbuffered_p2_EBX = 0;
[L727]               0  _Bool main$tmp_guard0;
[L728]               0  _Bool main$tmp_guard1;
[L730]               0  int x = 0;
[L732]               0  int y = 0;
[L733]               0  _Bool y$flush_delayed;
[L734]               0  int y$mem_tmp;
[L735]               0  _Bool y$r_buff0_thd0;
[L736]               0  _Bool y$r_buff0_thd1;
[L737]               0  _Bool y$r_buff0_thd2;
[L738]               0  _Bool y$r_buff0_thd3;
[L739]               0  _Bool y$r_buff0_thd4;
[L740]               0  _Bool y$r_buff1_thd0;
[L741]               0  _Bool y$r_buff1_thd1;
[L742]               0  _Bool y$r_buff1_thd2;
[L743]               0  _Bool y$r_buff1_thd3;
[L744]               0  _Bool y$r_buff1_thd4;
[L745]               0  _Bool y$read_delayed;
[L746]               0  int *y$read_delayed_var;
[L747]               0  int y$w_buff0;
[L748]               0  _Bool y$w_buff0_used;
[L749]               0  int y$w_buff1;
[L750]               0  _Bool y$w_buff1_used;
[L751]               0  _Bool weak$$choice0;
[L752]               0  _Bool weak$$choice1;
[L753]               0  _Bool weak$$choice2;
[L852]               0  pthread_t t2437;
[L853]  FCALL, FORK  0  pthread_create(&t2437, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L854]               0  pthread_t t2438;
[L855]  FCALL, FORK  0  pthread_create(&t2438, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L856]               0  pthread_t t2439;
[L757]               1  weak$$choice0 = __VERIFIER_nondet_bool()
[L758]               1  weak$$choice2 = __VERIFIER_nondet_bool()
[L759]               1  y$flush_delayed = weak$$choice2
[L760]  EXPR         1  \read(y)
[L760]               1  y$mem_tmp = y
[L761]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)
[L761]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1
[L761]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)
[L761]               1  y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)
[L762]  EXPR         1  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))
[L762]               1  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))
[L763]  EXPR         1  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))
[L763]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)
[L763]  EXPR         1  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))
[L763]               1  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))
[L764]  EXPR         1  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))
[L764]               1  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))
[L765]  EXPR         1  weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L765]               1  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L766]  EXPR         1  weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))
[L766]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)
[L766]  EXPR         1  weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))
[L766]               1  y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))
[L767]  EXPR         1  weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L767]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)
[L767]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0
[L767]  EXPR         1  !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)
[L767]  EXPR         1  weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L767]               1  y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L768]               1  __unbuffered_p0_EAX$read_delayed = (_Bool)1
[L769]               1  __unbuffered_p0_EAX$read_delayed_var = &y
[L770]  EXPR         1  \read(y)
[L770]               1  __unbuffered_p0_EAX = y
[L771]  EXPR         1  y$flush_delayed ? y$mem_tmp : y
[L771]               1  y = y$flush_delayed ? y$mem_tmp : y
[L772]               1  y$flush_delayed = (_Bool)0
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=0, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L775]               1  __unbuffered_p0_EBX = x
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=0, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L780]               1  __unbuffered_cnt = __unbuffered_cnt + 1
[L782]               1  return 0;
[L787]               2  x = 1
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L792]               2  __unbuffered_cnt = __unbuffered_cnt + 1
[L794]               2  return 0;
[L857]  FCALL, FORK  0  pthread_create(&t2439, ((void *)0), P2, ((void *)0))
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L799]               3  __unbuffered_p2_EAX = x
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L802]               3  weak$$choice0 = __VERIFIER_nondet_bool()
[L803]               3  weak$$choice2 = __VERIFIER_nondet_bool()
[L804]               3  y$flush_delayed = weak$$choice2
[L805]  EXPR         3  \read(y)
[L805]               3  y$mem_tmp = y
[L806]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1)
[L806]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1
[L806]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1)
[L806]               3  y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1)
[L807]  EXPR         3  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L807]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)
[L807]  EXPR         3  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L807]               3  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L808]  EXPR         3  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L808]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)
[L808]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1
[L808]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)
[L808]  EXPR         3  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L808]               3  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L809]  EXPR         3  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L809]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)
[L809]  EXPR         3  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L809]               3  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L810]  EXPR         3  weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L810]               3  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L811]  EXPR         3  weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L811]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)
[L811]  EXPR         3  weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L811]               3  y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L812]  EXPR         3  weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L812]               3  y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L813]  EXPR         3  \read(y)
[L813]               3  __unbuffered_p2_EBX = y
[L814]  EXPR         3  y$flush_delayed ? y$mem_tmp : y
[L814]               3  y = y$flush_delayed ? y$mem_tmp : y
[L815]               3  y$flush_delayed = (_Bool)0
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=0, x=1, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L820]               3  __unbuffered_cnt = __unbuffered_cnt + 1
[L822]               3  return 0;
[L858]               0  pthread_t t2440;
[L859]  FCALL, FORK  0  pthread_create(&t2440, ((void *)0), P3, ((void *)0))
        VAL             [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=0, x=1, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L827]               4  y = 1
        VAL             [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=0, x=1, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L830]  EXPR         4  y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y)
[L830]  EXPR         4  y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y
[L830]  EXPR         4  \read(y)
[L830]  EXPR         4  y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y
[L830]  EXPR         4  y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y)
[L830]               4  y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y)
[L831]  EXPR         4  y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used
[L831]               4  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used
[L832]  EXPR         4  y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used
[L832]               4  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used
[L833]  EXPR         4  y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4
[L833]               4  y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4
[L834]  EXPR         4  y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4
[L834]               4  y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4
[L837]               4  __unbuffered_cnt = __unbuffered_cnt + 1
[L839]               4  return 0;
[L861]               0  main$tmp_guard0 = __unbuffered_cnt == 4
[L872]               0  weak$$choice1 = __VERIFIER_nondet_bool()
[L873]  EXPR         0  __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L873]               0  __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L874]               0  main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0)
[L8]    COND TRUE    0  !expression
[L8]                 0  __VERIFIER_error()
        VAL             [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=255, weak$$choice2=0, x=1, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.1s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.6s, HoareTripleCheckerStatistics: 270 SDtfs, 400 SDslu, 482 SDs, 0 SdLazy, 395 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1090occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 574 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 25964 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...