/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix048_power.oepc.i


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


This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065
[2021-06-10 12:17:45,498 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-06-10 12:17:45,501 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-06-10 12:17:45,536 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-06-10 12:17:45,536 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-10 12:17:45,539 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-10 12:17:45,541 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-06-10 12:17:45,547 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-06-10 12:17:45,549 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-06-10 12:17:45,552 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-06-10 12:17:45,553 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-06-10 12:17:45,554 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-06-10 12:17:45,555 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-06-10 12:17:45,556 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-06-10 12:17:45,558 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-06-10 12:17:45,559 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-10 12:17:45,561 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-10 12:17:45,562 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-10 12:17:45,564 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-10 12:17:45,569 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-10 12:17:45,570 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-10 12:17:45,571 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-10 12:17:45,572 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-06-10 12:17:45,573 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-10 12:17:45,579 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-06-10 12:17:45,579 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-06-10 12:17:45,579 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-06-10 12:17:45,580 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-06-10 12:17:45,581 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-06-10 12:17:45,581 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-06-10 12:17:45,582 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-06-10 12:17:45,582 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-06-10 12:17:45,584 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-06-10 12:17:45,584 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-06-10 12:17:45,585 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-06-10 12:17:45,585 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-06-10 12:17:45,585 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-06-10 12:17:45,585 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-06-10 12:17:45,586 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-06-10 12:17:45,586 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-06-10 12:17:45,587 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-06-10 12:17:45,587 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf
[2021-06-10 12:17:45,620 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-06-10 12:17:45,620 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-10 12:17:45,622 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-10 12:17:45,622 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-06-10 12:17:45,622 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-06-10 12:17:45,623 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-10 12:17:45,623 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-06-10 12:17:45,623 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-06-10 12:17:45,623 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-06-10 12:17:45,623 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-06-10 12:17:45,624 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-06-10 12:17:45,624 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-10 12:17:45,624 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-06-10 12:17:45,624 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-06-10 12:17:45,624 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-06-10 12:17:45,625 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-06-10 12:17:45,625 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-06-10 12:17:45,625 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-10 12:17:45,625 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-06-10 12:17:45,625 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-06-10 12:17:45,625 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-06-10 12:17:45,625 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-10 12:17:45,626 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-10 12:17:45,626 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-06-10 12:17:45,626 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-10 12:17:45,626 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-06-10 12:17:45,626 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-10 12:17:45,626 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-06-10 12:17:45,626 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-06-10 12:17:45,626 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-10 12:17:45,917 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-10 12:17:45,934 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-10 12:17:45,936 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-10 12:17:45,937 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-06-10 12:17:45,938 INFO  L275        PluginConnector]: CDTParser initialized
[2021-06-10 12:17:45,938 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix048_power.oepc.i
[2021-06-10 12:17:46,005 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d3335ae3/2f529ee36c1740e98fed1b920eaa8037/FLAGd2ec60105
[2021-06-10 12:17:46,452 INFO  L306              CDTParser]: Found 1 translation units.
[2021-06-10 12:17:46,452 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix048_power.oepc.i
[2021-06-10 12:17:46,475 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d3335ae3/2f529ee36c1740e98fed1b920eaa8037/FLAGd2ec60105
[2021-06-10 12:17:46,770 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d3335ae3/2f529ee36c1740e98fed1b920eaa8037
[2021-06-10 12:17:46,773 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-10 12:17:46,774 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-10 12:17:46,789 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-10 12:17:46,789 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-10 12:17:46,792 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-10 12:17:46,792 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 12:17:46" (1/1) ...
[2021-06-10 12:17:46,793 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aab513f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:46, skipping insertion in model container
[2021-06-10 12:17:46,793 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 12:17:46" (1/1) ...
[2021-06-10 12:17:46,808 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-06-10 12:17:46,853 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-06-10 12:17:47,062 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix048_power.oepc.i[951,964]
[2021-06-10 12:17:47,273 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-10 12:17:47,279 INFO  L203         MainTranslator]: Completed pre-run
[2021-06-10 12:17:47,293 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix048_power.oepc.i[951,964]
[2021-06-10 12:17:47,338 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-10 12:17:47,395 INFO  L208         MainTranslator]: Completed translation
[2021-06-10 12:17:47,396 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47 WrapperNode
[2021-06-10 12:17:47,396 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-10 12:17:47,397 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-10 12:17:47,397 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-10 12:17:47,397 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-10 12:17:47,403 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
[2021-06-10 12:17:47,419 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
[2021-06-10 12:17:47,443 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-10 12:17:47,443 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-10 12:17:47,443 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-10 12:17:47,443 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-06-10 12:17:47,454 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
[2021-06-10 12:17:47,454 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
[2021-06-10 12:17:47,466 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
[2021-06-10 12:17:47,466 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
[2021-06-10 12:17:47,472 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
[2021-06-10 12:17:47,475 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
[2021-06-10 12:17:47,493 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
[2021-06-10 12:17:47,497 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-10 12:17:47,497 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-10 12:17:47,497 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-06-10 12:17:47,498 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-06-10 12:17:47,498 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-10 12:17:47,573 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-06-10 12:17:47,574 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-06-10 12:17:47,574 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-10 12:17:47,574 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-10 12:17:47,574 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-06-10 12:17:47,575 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-06-10 12:17:47,575 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-06-10 12:17:47,576 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-06-10 12:17:47,576 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-10 12:17:47,576 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-06-10 12:17:47,576 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-10 12:17:47,576 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-10 12:17:47,578 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-10 12:17:49,133 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-10 12:17:49,134 INFO  L299             CfgBuilder]: Removed 10 assume(true) statements.
[2021-06-10 12:17:49,136 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 12:17:49 BoogieIcfgContainer
[2021-06-10 12:17:49,136 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-10 12:17:49,137 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-10 12:17:49,137 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-06-10 12:17:49,140 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-06-10 12:17:49,140 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 12:17:46" (1/3) ...
[2021-06-10 12:17:49,141 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7f18e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 12:17:49, skipping insertion in model container
[2021-06-10 12:17:49,141 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:47" (2/3) ...
[2021-06-10 12:17:49,141 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7f18e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 12:17:49, skipping insertion in model container
[2021-06-10 12:17:49,141 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 12:17:49" (3/3) ...
[2021-06-10 12:17:49,143 INFO  L111   eAbstractionObserver]: Analyzing ICFG mix048_power.oepc.i
[2021-06-10 12:17:49,151 INFO  L149   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-10 12:17:49,155 INFO  L161   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2021-06-10 12:17:49,156 INFO  L323   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-10 12:17:49,191 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,191 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,192 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,192 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,192 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,192 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,192 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,192 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,192 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,193 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,193 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,193 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,193 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,193 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,193 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,194 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,194 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,194 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,194 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,194 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,194 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,194 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,194 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,195 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,195 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,195 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,195 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,196 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,196 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,196 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,197 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,197 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,197 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,197 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,197 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,197 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,198 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,198 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,198 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,198 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,198 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,198 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,199 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,200 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,201 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,201 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,201 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,201 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,201 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,201 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,201 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,203 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,203 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,203 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,205 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,205 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,205 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,205 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,206 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,206 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,206 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,206 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,206 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,206 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,206 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,207 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,207 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,207 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,207 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,207 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,207 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,207 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,207 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,208 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,208 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,209 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,212 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,213 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,213 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,213 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,219 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,225 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,225 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,225 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,225 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,225 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,225 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,225 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,226 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,226 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,226 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,226 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,226 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,226 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,226 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,227 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,227 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,227 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,227 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,229 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,231 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,231 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,231 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,231 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,231 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,231 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,231 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,232 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,232 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,232 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,232 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,234 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,238 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-10 12:17:49,240 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-06-10 12:17:49,255 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2021-06-10 12:17:49,285 INFO  L376      AbstractCegarLoop]: Interprodecural is true
[2021-06-10 12:17:49,285 INFO  L377      AbstractCegarLoop]: Hoare is false
[2021-06-10 12:17:49,285 INFO  L378      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-10 12:17:49,285 INFO  L379      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-10 12:17:49,285 INFO  L380      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-10 12:17:49,286 INFO  L381      AbstractCegarLoop]: Difference is false
[2021-06-10 12:17:49,286 INFO  L382      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-10 12:17:49,286 INFO  L386      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-06-10 12:17:49,297 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 86 places, 81 transitions, 172 flow
[2021-06-10 12:17:49,330 INFO  L129       PetriNetUnfolder]: 2/79 cut-off events.
[2021-06-10 12:17:49,330 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-10 12:17:49,339 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 86 conditions, 79 events. 2/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. 
[2021-06-10 12:17:49,339 INFO  L82        GeneralOperation]: Start removeDead. Operand has 86 places, 81 transitions, 172 flow
[2021-06-10 12:17:49,344 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 84 places, 79 transitions, 164 flow
[2021-06-10 12:17:49,357 INFO  L129       PetriNetUnfolder]: 0/37 cut-off events.
[2021-06-10 12:17:49,357 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-10 12:17:49,357 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-06-10 12:17:49,358 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-10 12:17:49,358 INFO  L428      AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-10 12:17:49,362 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-10 12:17:49,362 INFO  L82        PathProgramCache]: Analyzing trace with hash 1252646318, now seen corresponding path program 1 times
[2021-06-10 12:17:49,369 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-10 12:17:49,370 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862960724]
[2021-06-10 12:17:49,370 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-10 12:17:49,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-10 12:17:49,598 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:49,598 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-10 12:17:49,599 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:49,600 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-10 12:17:49,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-10 12:17:49,610 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862960724]
[2021-06-10 12:17:49,610 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-10 12:17:49,610 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-06-10 12:17:49,612 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155615293]
[2021-06-10 12:17:49,619 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-06-10 12:17:49,619 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-10 12:17:49,629 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-06-10 12:17:49,630 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-06-10 12:17:49,632 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 71 out of 81
[2021-06-10 12:17:49,636 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 164 flow. Second operand  has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:49,636 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-10 12:17:49,636 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 81
[2021-06-10 12:17:49,637 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-10 12:17:49,729 INFO  L129       PetriNetUnfolder]: 16/138 cut-off events.
[2021-06-10 12:17:49,729 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-10 12:17:49,731 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 180 conditions, 138 events. 16/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 387 event pairs, 11 based on Foata normal form. 7/136 useless extension candidates. Maximal degree in co-relation 138. Up to 27 conditions per place. 
[2021-06-10 12:17:49,736 INFO  L132   encePairwiseOnDemand]: 76/81 looper letters, 7 selfloop transitions, 2 changer transitions 0/78 dead transitions.
[2021-06-10 12:17:49,736 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 78 transitions, 180 flow
[2021-06-10 12:17:49,737 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-06-10 12:17:49,739 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-06-10 12:17:49,746 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions.
[2021-06-10 12:17:49,749 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.934156378600823
[2021-06-10 12:17:49,750 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 227 transitions.
[2021-06-10 12:17:49,750 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 227 transitions.
[2021-06-10 12:17:49,752 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-10 12:17:49,753 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 227 transitions.
[2021-06-10 12:17:49,757 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:49,763 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:49,763 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:49,765 INFO  L185             Difference]: Start difference. First operand has 84 places, 79 transitions, 164 flow. Second operand 3 states and 227 transitions.
[2021-06-10 12:17:49,766 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 78 transitions, 180 flow
[2021-06-10 12:17:49,771 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 78 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-06-10 12:17:49,775 INFO  L241             Difference]: Finished difference. Result has 82 places, 75 transitions, 158 flow
[2021-06-10 12:17:49,776 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=82, PETRI_TRANSITIONS=75}
[2021-06-10 12:17:49,777 INFO  L343   CegarLoopForPetriNet]: 84 programPoint places, -2 predicate places.
[2021-06-10 12:17:49,777 INFO  L480      AbstractCegarLoop]: Abstraction has has 82 places, 75 transitions, 158 flow
[2021-06-10 12:17:49,778 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:49,778 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-06-10 12:17:49,778 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-10 12:17:49,778 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-10 12:17:49,778 INFO  L428      AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-10 12:17:49,779 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-10 12:17:49,779 INFO  L82        PathProgramCache]: Analyzing trace with hash 1019781093, now seen corresponding path program 1 times
[2021-06-10 12:17:49,779 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-10 12:17:49,779 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597399011]
[2021-06-10 12:17:49,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-10 12:17:49,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-10 12:17:49,936 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:49,937 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-10 12:17:49,938 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:49,938 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-10 12:17:49,948 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-06-10 12:17:49,950 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-06-10 12:17:49,970 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:49,971 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-10 12:17:49,980 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-06-10 12:17:49,982 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-10 12:17:49,994 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:49,995 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-10 12:17:49,996 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-10 12:17:49,996 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597399011]
[2021-06-10 12:17:49,996 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-10 12:17:49,996 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-10 12:17:49,997 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330704265]
[2021-06-10 12:17:49,998 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-10 12:17:49,999 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-10 12:17:49,999 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-10 12:17:50,000 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-10 12:17:50,002 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 68 out of 81
[2021-06-10 12:17:50,003 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 75 transitions, 158 flow. Second operand  has 6 states, 6 states have (on average 69.16666666666667) internal successors, (415), 6 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,003 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-10 12:17:50,003 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 81
[2021-06-10 12:17:50,003 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-10 12:17:50,161 INFO  L129       PetriNetUnfolder]: 30/184 cut-off events.
[2021-06-10 12:17:50,161 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-10 12:17:50,163 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 266 conditions, 184 events. 30/184 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 634 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 223. Up to 26 conditions per place. 
[2021-06-10 12:17:50,164 INFO  L132   encePairwiseOnDemand]: 72/81 looper letters, 8 selfloop transitions, 5 changer transitions 20/98 dead transitions.
[2021-06-10 12:17:50,164 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 98 transitions, 270 flow
[2021-06-10 12:17:50,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-10 12:17:50,165 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2021-06-10 12:17:50,169 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 715 transitions.
[2021-06-10 12:17:50,170 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.8827160493827161
[2021-06-10 12:17:50,170 INFO  L72            ComplementDD]: Start complementDD. Operand 10 states and 715 transitions.
[2021-06-10 12:17:50,170 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 10 states and 715 transitions.
[2021-06-10 12:17:50,171 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-10 12:17:50,171 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 715 transitions.
[2021-06-10 12:17:50,173 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 11 states, 10 states have (on average 71.5) internal successors, (715), 10 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,177 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 11 states, 11 states have (on average 81.0) internal successors, (891), 11 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,177 INFO  L81            ComplementDD]: Finished complementDD. Result  has 11 states, 11 states have (on average 81.0) internal successors, (891), 11 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,178 INFO  L185             Difference]: Start difference. First operand has 82 places, 75 transitions, 158 flow. Second operand 10 states and 715 transitions.
[2021-06-10 12:17:50,178 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 98 transitions, 270 flow
[2021-06-10 12:17:50,179 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 98 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-06-10 12:17:50,181 INFO  L241             Difference]: Finished difference. Result has 95 places, 76 transitions, 196 flow
[2021-06-10 12:17:50,181 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=196, PETRI_PLACES=95, PETRI_TRANSITIONS=76}
[2021-06-10 12:17:50,182 INFO  L343   CegarLoopForPetriNet]: 84 programPoint places, 11 predicate places.
[2021-06-10 12:17:50,182 INFO  L480      AbstractCegarLoop]: Abstraction has has 95 places, 76 transitions, 196 flow
[2021-06-10 12:17:50,182 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 69.16666666666667) internal successors, (415), 6 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,183 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-06-10 12:17:50,183 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-10 12:17:50,183 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-10 12:17:50,183 INFO  L428      AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-10 12:17:50,183 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-10 12:17:50,183 INFO  L82        PathProgramCache]: Analyzing trace with hash 593243253, now seen corresponding path program 1 times
[2021-06-10 12:17:50,184 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-10 12:17:50,184 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924390567]
[2021-06-10 12:17:50,184 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-10 12:17:50,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-10 12:17:50,301 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,301 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-10 12:17:50,302 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,302 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-10 12:17:50,305 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,305 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-10 12:17:50,310 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-06-10 12:17:50,311 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-06-10 12:17:50,326 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,327 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-10 12:17:50,335 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-06-10 12:17:50,336 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-10 12:17:50,344 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,345 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-10 12:17:50,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-10 12:17:50,345 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924390567]
[2021-06-10 12:17:50,346 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-10 12:17:50,346 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-10 12:17:50,346 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139183481]
[2021-06-10 12:17:50,346 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-10 12:17:50,346 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-10 12:17:50,347 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-10 12:17:50,347 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-10 12:17:50,348 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 68 out of 81
[2021-06-10 12:17:50,358 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 76 transitions, 196 flow. Second operand  has 7 states, 7 states have (on average 69.14285714285714) internal successors, (484), 7 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,359 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-10 12:17:50,359 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 81
[2021-06-10 12:17:50,359 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-10 12:17:50,493 INFO  L129       PetriNetUnfolder]: 8/99 cut-off events.
[2021-06-10 12:17:50,493 INFO  L130       PetriNetUnfolder]: For 68/70 co-relation queries the response was YES.
[2021-06-10 12:17:50,494 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 202 conditions, 99 events. 8/99 cut-off events. For 68/70 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 120 event pairs, 0 based on Foata normal form. 5/103 useless extension candidates. Maximal degree in co-relation 174. Up to 17 conditions per place. 
[2021-06-10 12:17:50,494 INFO  L132   encePairwiseOnDemand]: 73/81 looper letters, 4 selfloop transitions, 7 changer transitions 19/87 dead transitions.
[2021-06-10 12:17:50,494 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 87 transitions, 305 flow
[2021-06-10 12:17:50,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-10 12:17:50,495 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2021-06-10 12:17:50,496 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 704 transitions.
[2021-06-10 12:17:50,497 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.8691358024691358
[2021-06-10 12:17:50,497 INFO  L72            ComplementDD]: Start complementDD. Operand 10 states and 704 transitions.
[2021-06-10 12:17:50,497 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 10 states and 704 transitions.
[2021-06-10 12:17:50,498 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-10 12:17:50,498 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 704 transitions.
[2021-06-10 12:17:50,499 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 11 states, 10 states have (on average 70.4) internal successors, (704), 10 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,501 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 11 states, 11 states have (on average 81.0) internal successors, (891), 11 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,501 INFO  L81            ComplementDD]: Finished complementDD. Result  has 11 states, 11 states have (on average 81.0) internal successors, (891), 11 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,502 INFO  L185             Difference]: Start difference. First operand has 95 places, 76 transitions, 196 flow. Second operand 10 states and 704 transitions.
[2021-06-10 12:17:50,502 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 87 transitions, 305 flow
[2021-06-10 12:17:50,503 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 87 transitions, 270 flow, removed 13 selfloop flow, removed 5 redundant places.
[2021-06-10 12:17:50,505 INFO  L241             Difference]: Finished difference. Result has 99 places, 68 transitions, 196 flow
[2021-06-10 12:17:50,505 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=196, PETRI_PLACES=99, PETRI_TRANSITIONS=68}
[2021-06-10 12:17:50,505 INFO  L343   CegarLoopForPetriNet]: 84 programPoint places, 15 predicate places.
[2021-06-10 12:17:50,505 INFO  L480      AbstractCegarLoop]: Abstraction has has 99 places, 68 transitions, 196 flow
[2021-06-10 12:17:50,506 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 69.14285714285714) internal successors, (484), 7 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,506 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-06-10 12:17:50,506 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-10 12:17:50,506 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-10 12:17:50,506 INFO  L428      AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-10 12:17:50,507 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-10 12:17:50,507 INFO  L82        PathProgramCache]: Analyzing trace with hash -1760759589, now seen corresponding path program 1 times
[2021-06-10 12:17:50,507 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-10 12:17:50,507 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195021812]
[2021-06-10 12:17:50,507 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-10 12:17:50,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-10 12:17:50,686 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,688 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-10 12:17:50,691 INFO  L142       QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size
[2021-06-10 12:17:50,695 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-06-10 12:17:50,716 INFO  L142       QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size
[2021-06-10 12:17:50,721 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31
[2021-06-10 12:17:50,739 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,740 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-10 12:17:50,746 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-10 12:17:50,749 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-10 12:17:50,770 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,770 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-10 12:17:50,782 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,783 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-10 12:17:50,797 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:50,799 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-10 12:17:50,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-10 12:17:50,801 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195021812]
[2021-06-10 12:17:50,801 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-10 12:17:50,801 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-10 12:17:50,802 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389321881]
[2021-06-10 12:17:50,802 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-10 12:17:50,802 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-10 12:17:50,803 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-10 12:17:50,803 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2021-06-10 12:17:50,806 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 60 out of 81
[2021-06-10 12:17:50,814 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 68 transitions, 196 flow. Second operand  has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:50,814 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-10 12:17:50,814 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 81
[2021-06-10 12:17:50,814 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-10 12:17:50,992 INFO  L129       PetriNetUnfolder]: 7/127 cut-off events.
[2021-06-10 12:17:50,992 INFO  L130       PetriNetUnfolder]: For 76/76 co-relation queries the response was YES.
[2021-06-10 12:17:50,994 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 262 conditions, 127 events. 7/127 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 293 event pairs, 0 based on Foata normal form. 1/128 useless extension candidates. Maximal degree in co-relation 213. Up to 23 conditions per place. 
[2021-06-10 12:17:50,995 INFO  L132   encePairwiseOnDemand]: 72/81 looper letters, 15 selfloop transitions, 6 changer transitions 7/80 dead transitions.
[2021-06-10 12:17:50,995 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 80 transitions, 276 flow
[2021-06-10 12:17:50,995 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-10 12:17:50,995 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-06-10 12:17:50,997 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 569 transitions.
[2021-06-10 12:17:50,997 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.7805212620027435
[2021-06-10 12:17:50,997 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 569 transitions.
[2021-06-10 12:17:50,997 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 569 transitions.
[2021-06-10 12:17:50,998 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-10 12:17:50,998 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 569 transitions.
[2021-06-10 12:17:50,999 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 63.22222222222222) internal successors, (569), 9 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:51,000 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 81.0) internal successors, (810), 10 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:51,001 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 81.0) internal successors, (810), 10 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:51,001 INFO  L185             Difference]: Start difference. First operand has 99 places, 68 transitions, 196 flow. Second operand 9 states and 569 transitions.
[2021-06-10 12:17:51,001 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 80 transitions, 276 flow
[2021-06-10 12:17:51,004 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 80 transitions, 230 flow, removed 13 selfloop flow, removed 13 redundant places.
[2021-06-10 12:17:51,008 INFO  L241             Difference]: Finished difference. Result has 88 places, 73 transitions, 197 flow
[2021-06-10 12:17:51,008 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=197, PETRI_PLACES=88, PETRI_TRANSITIONS=73}
[2021-06-10 12:17:51,009 INFO  L343   CegarLoopForPetriNet]: 84 programPoint places, 4 predicate places.
[2021-06-10 12:17:51,009 INFO  L480      AbstractCegarLoop]: Abstraction has has 88 places, 73 transitions, 197 flow
[2021-06-10 12:17:51,009 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:51,009 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-06-10 12:17:51,009 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-10 12:17:51,010 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-10 12:17:51,010 INFO  L428      AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-10 12:17:51,011 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-10 12:17:51,011 INFO  L82        PathProgramCache]: Analyzing trace with hash -197259687, now seen corresponding path program 2 times
[2021-06-10 12:17:51,011 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-10 12:17:51,012 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634012415]
[2021-06-10 12:17:51,012 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-10 12:17:51,104 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-10 12:17:51,167 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:51,168 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-10 12:17:51,168 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:51,169 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-10 12:17:51,171 INFO  L142       QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size
[2021-06-10 12:17:51,172 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-10 12:17:51,178 INFO  L142       QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-10 12:17:51,179 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-10 12:17:51,192 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:51,193 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-10 12:17:51,200 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:51,200 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-10 12:17:51,209 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-10 12:17:51,209 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-10 12:17:51,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-10 12:17:51,212 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634012415]
[2021-06-10 12:17:51,212 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-10 12:17:51,212 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-10 12:17:51,212 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911068724]
[2021-06-10 12:17:51,213 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-10 12:17:51,213 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-10 12:17:51,214 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-10 12:17:51,217 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-06-10 12:17:51,218 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 65 out of 81
[2021-06-10 12:17:51,218 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 73 transitions, 197 flow. Second operand  has 7 states, 7 states have (on average 66.71428571428571) internal successors, (467), 7 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:51,219 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-10 12:17:51,219 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 81
[2021-06-10 12:17:51,219 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-10 12:17:51,316 INFO  L129       PetriNetUnfolder]: 7/138 cut-off events.
[2021-06-10 12:17:51,316 INFO  L130       PetriNetUnfolder]: For 11/12 co-relation queries the response was YES.
[2021-06-10 12:17:51,316 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 232 conditions, 138 events. 7/138 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 362 event pairs, 0 based on Foata normal form. 2/139 useless extension candidates. Maximal degree in co-relation 219. Up to 13 conditions per place. 
[2021-06-10 12:17:51,317 INFO  L132   encePairwiseOnDemand]: 74/81 looper letters, 11 selfloop transitions, 3 changer transitions 9/79 dead transitions.
[2021-06-10 12:17:51,317 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 79 transitions, 256 flow
[2021-06-10 12:17:51,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-10 12:17:51,317 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-06-10 12:17:51,318 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 474 transitions.
[2021-06-10 12:17:51,318 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.8359788359788359
[2021-06-10 12:17:51,319 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 474 transitions.
[2021-06-10 12:17:51,319 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 474 transitions.
[2021-06-10 12:17:51,319 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-10 12:17:51,319 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 474 transitions.
[2021-06-10 12:17:51,320 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 67.71428571428571) internal successors, (474), 7 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:51,324 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 81.0) internal successors, (648), 8 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:51,324 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 81.0) internal successors, (648), 8 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:51,324 INFO  L185             Difference]: Start difference. First operand has 88 places, 73 transitions, 197 flow. Second operand 7 states and 474 transitions.
[2021-06-10 12:17:51,324 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 79 transitions, 256 flow
[2021-06-10 12:17:51,326 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 79 transitions, 242 flow, removed 7 selfloop flow, removed 4 redundant places.
[2021-06-10 12:17:51,328 INFO  L241             Difference]: Finished difference. Result has 90 places, 70 transitions, 192 flow
[2021-06-10 12:17:51,328 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=192, PETRI_PLACES=90, PETRI_TRANSITIONS=70}
[2021-06-10 12:17:51,328 INFO  L343   CegarLoopForPetriNet]: 84 programPoint places, 6 predicate places.
[2021-06-10 12:17:51,329 INFO  L480      AbstractCegarLoop]: Abstraction has has 90 places, 70 transitions, 192 flow
[2021-06-10 12:17:51,329 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 66.71428571428571) internal successors, (467), 7 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-10 12:17:51,329 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-06-10 12:17:51,329 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-10 12:17:51,329 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-06-10 12:17:51,329 INFO  L428      AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-10 12:17:51,330 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-10 12:17:51,330 INFO  L82        PathProgramCache]: Analyzing trace with hash -575526205, now seen corresponding path program 3 times
[2021-06-10 12:17:51,331 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-10 12:17:51,331 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774085599]
[2021-06-10 12:17:51,331 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-10 12:17:51,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-06-10 12:17:51,397 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-06-10 12:17:51,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-06-10 12:17:51,455 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-06-10 12:17:51,497 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-06-10 12:17:51,498 INFO  L634         BasicCegarLoop]: Counterexample might be feasible
[2021-06-10 12:17:51,498 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-06-10 12:17:51,618 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 12:17:51 BasicIcfg
[2021-06-10 12:17:51,618 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-10 12:17:51,619 INFO  L168              Benchmark]: Toolchain (without parser) took 4845.11 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 323.2 MB in the beginning and 243.1 MB in the end (delta: 80.1 MB). Peak memory consumption was 153.6 MB. Max. memory is 16.0 GB.
[2021-06-10 12:17:51,619 INFO  L168              Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 360.7 MB. Free memory was 341.3 MB in the beginning and 341.2 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-10 12:17:51,619 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 607.25 ms. Allocated memory is still 360.7 MB. Free memory was 323.0 MB in the beginning and 320.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB.
[2021-06-10 12:17:51,620 INFO  L168              Benchmark]: Boogie Procedure Inliner took 46.03 ms. Allocated memory is still 360.7 MB. Free memory was 320.3 MB in the beginning and 317.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB.
[2021-06-10 12:17:51,620 INFO  L168              Benchmark]: Boogie Preprocessor took 53.49 ms. Allocated memory is still 360.7 MB. Free memory was 317.1 MB in the beginning and 315.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-10 12:17:51,620 INFO  L168              Benchmark]: RCFGBuilder took 1639.02 ms. Allocated memory is still 360.7 MB. Free memory was 315.0 MB in the beginning and 289.4 MB in the end (delta: 25.6 MB). Peak memory consumption was 154.6 MB. Max. memory is 16.0 GB.
[2021-06-10 12:17:51,621 INFO  L168              Benchmark]: TraceAbstraction took 2480.89 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 288.3 MB in the beginning and 243.1 MB in the end (delta: 45.2 MB). Peak memory consumption was 117.6 MB. Max. memory is 16.0 GB.
[2021-06-10 12:17:51,623 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13 ms. Allocated memory is still 360.7 MB. Free memory was 341.3 MB in the beginning and 341.2 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB.
 * CACSL2BoogieTranslator took 607.25 ms. Allocated memory is still 360.7 MB. Free memory was 323.0 MB in the beginning and 320.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 46.03 ms. Allocated memory is still 360.7 MB. Free memory was 320.3 MB in the beginning and 317.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 53.49 ms. Allocated memory is still 360.7 MB. Free memory was 317.1 MB in the beginning and 315.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * RCFGBuilder took 1639.02 ms. Allocated memory is still 360.7 MB. Free memory was 315.0 MB in the beginning and 289.4 MB in the end (delta: 25.6 MB). Peak memory consumption was 154.6 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 2480.89 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 288.3 MB in the beginning and 243.1 MB in the end (delta: 45.2 MB). Peak memory consumption was 117.6 MB. Max. memory is 16.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 18]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L708]               0  int __unbuffered_cnt = 0;
        VAL             [__unbuffered_cnt=0]
[L710]               0  int __unbuffered_p0_EAX = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0]
[L712]               0  int __unbuffered_p1_EAX = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0]
[L713]               0  _Bool main$tmp_guard0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0]
[L714]               0  _Bool main$tmp_guard1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0]
[L716]               0  int x = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0]
[L718]               0  int y = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0]
[L719]               0  _Bool y$flush_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0]
[L720]               0  int y$mem_tmp;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0]
[L721]               0  _Bool y$r_buff0_thd0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0]
[L722]               0  _Bool y$r_buff0_thd1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0]
[L723]               0  _Bool y$r_buff0_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0]
[L724]               0  _Bool y$r_buff1_thd0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0]
[L725]               0  _Bool y$r_buff1_thd1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=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_buff1_thd0=0, y$r_buff1_thd1=0]
[L726]               0  _Bool y$r_buff1_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0]
[L727]               0  _Bool y$read_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0]
[L728]               0  int *y$read_delayed_var;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}]
[L729]               0  int y$w_buff0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0]
[L730]               0  _Bool y$w_buff0_used;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0]
[L731]               0  int y$w_buff1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0]
[L732]               0  _Bool y$w_buff1_used;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$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]
[L733]               0  _Bool weak$$choice0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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]
[L734]               0  _Bool weak$$choice2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L807]               0  pthread_t t1281;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L808]  FCALL, FORK  0  pthread_create(&t1281, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L809]               0  pthread_t t1282;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L810]  FCALL, FORK  0  pthread_create(&t1282, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L738]               1  y$w_buff1 = y$w_buff0
[L739]               1  y$w_buff0 = 1
[L740]               1  y$w_buff1_used = y$w_buff0_used
[L741]               1  y$w_buff0_used = (_Bool)1
[L18]   COND FALSE   1  !(!expression)
[L743]               1  y$r_buff1_thd0 = y$r_buff0_thd0
[L744]               1  y$r_buff1_thd1 = y$r_buff0_thd1
[L745]               1  y$r_buff1_thd2 = y$r_buff0_thd2
[L746]               1  y$r_buff0_thd1 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L749]               1  __unbuffered_p0_EAX = x
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L766]               2  x = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L769]               2  weak$$choice0 = __VERIFIER_nondet_bool()
[L770]               2  weak$$choice2 = __VERIFIER_nondet_bool()
[L771]               2  y$flush_delayed = weak$$choice2
[L772]               2  y$mem_tmp = y
[L773]  EXPR         2  !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)
[L773]               2  y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)
[L774]  EXPR         2  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))
[L774]  EXPR         2  !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)
[L774]  EXPR         2  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))
[L774]               2  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))
[L775]  EXPR         2  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))
[L775]  EXPR         2  !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)
[L775]  EXPR         2  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))
[L775]               2  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))
[L776]  EXPR         2  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))
[L776]  EXPR         2  !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)
[L776]  EXPR         2  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))
[L776]               2  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))
[L777]  EXPR         2  weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L777]  EXPR         2  !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)
[L777]  EXPR         2  weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L777]               2  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L778]  EXPR         2  weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))
[L778]  EXPR         2  !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)
[L778]  EXPR         2  weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))
[L778]               2  y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))
[L779]  EXPR         2  weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L779]  EXPR         2  !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)
[L779]  EXPR         2  weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L779]               2  y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L780]               2  __unbuffered_p1_EAX = y
[L781]  EXPR         2  y$flush_delayed ? y$mem_tmp : y
[L781]               2  y = y$flush_delayed ? y$mem_tmp : y
[L782]               2  y$flush_delayed = (_Bool)0
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L785]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L785]  EXPR         2  y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y
[L785]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L785]               2  y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L786]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L786]               2  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L787]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L787]               2  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L788]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L788]               2  y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L789]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
[L789]               2  y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
[L752]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y)
[L752]               1  y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y)
[L753]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L753]               1  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L754]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used
[L754]               1  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used
[L755]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L755]               1  y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L756]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1
[L756]               1  y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1
[L759]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L792]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L812]               0  main$tmp_guard0 = __unbuffered_cnt == 2
        VAL             [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L3]    COND FALSE   0  !(!cond)
        VAL             [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L816]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L816]  EXPR         0  y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y
[L816]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L816]               0  y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L817]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L817]               0  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L818]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L818]               0  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L819]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L819]               0  y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L820]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
[L820]               0  y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
[L823]               0  main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0)
        VAL             [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L18]   COND TRUE    0  !expression
        VAL             [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L18]                0  reach_error()
        VAL             [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 80 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 2218.1ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 811.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 58.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 38 SDtfs, 60 SDslu, 130 SDs, 0 SdLazy, 188 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 168.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 435.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=4, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.6ms SsaConstructionTime, 414.1ms SatisfiabilityAnalysisTime, 615.4ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...