/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix048_rmo.oepc.i


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


This is Ultimate 0.1.25-b09bf87
[2020-10-16 13:16:40,640 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-16 13:16:40,643 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 13:16:40,667 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 13:16:40,667 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 13:16:40,668 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 13:16:40,670 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-10-16 13:16:40,680 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 13:16:40,680 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 13:16:40,681 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 13:16:40,683 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 13:16:40,685 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 13:16:40,687 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 13:16:40,688 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 13:16:40,689 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 13:16:40,690 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 13:16:40,693 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-10-16 13:16:40,694 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 13:16:40,695 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-10-16 13:16:40,701 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 13:16:40,702 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 13:16:40,703 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf
[2020-10-16 13:16:40,726 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-16 13:16:40,727 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 13:16:40,728 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 13:16:40,728 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-16 13:16:40,728 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-16 13:16:40,728 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 13:16:40,729 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-16 13:16:40,729 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-16 13:16:40,729 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-16 13:16:40,729 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-16 13:16:40,729 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 13:16:40,730 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 13:16:40,730 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 13:16:40,730 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-16 13:16:40,730 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-16 13:16:40,730 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-16 13:16:40,730 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-16 13:16:40,731 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 13:16:40,731 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-16 13:16:40,731 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-16 13:16:40,731 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-16 13:16:40,731 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 13:16:40,732 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 13:16:40,732 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 13:16:40,732 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 13:16:40,732 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-16 13:16:40,732 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 13:16:40,733 INFO  L138        SettingsManager]:  * Override the interpolant automaton setting of the refinement strategy=true
[2020-10-16 13:16:40,733 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 13:16:40,733 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 13:16:40,733 INFO  L138        SettingsManager]:  * Interpolant automaton=MCR
[2020-10-16 13:16:40,999 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 13:16:41,010 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 13:16:41,014 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 13:16:41,016 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-16 13:16:41,016 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-16 13:16:41,017 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix048_rmo.oepc.i
[2020-10-16 13:16:41,089 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a4819626/78154ee2f2004a37a180bcdef7af5698/FLAG20d05d56b
[2020-10-16 13:16:41,625 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-16 13:16:41,625 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix048_rmo.oepc.i
[2020-10-16 13:16:41,640 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a4819626/78154ee2f2004a37a180bcdef7af5698/FLAG20d05d56b
[2020-10-16 13:16:41,872 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a4819626/78154ee2f2004a37a180bcdef7af5698
[2020-10-16 13:16:41,880 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 13:16:41,882 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 13:16:41,884 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 13:16:41,884 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 13:16:41,887 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 13:16:41,888 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:41" (1/1) ...
[2020-10-16 13:16:41,891 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494ef47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:41, skipping insertion in model container
[2020-10-16 13:16:41,891 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:41" (1/1) ...
[2020-10-16 13:16:41,899 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-16 13:16:41,967 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-16 13:16:42,478 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 13:16:42,496 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-16 13:16:42,553 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 13:16:42,626 INFO  L208         MainTranslator]: Completed translation
[2020-10-16 13:16:42,626 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42 WrapperNode
[2020-10-16 13:16:42,627 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 13:16:42,627 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 13:16:42,628 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 13:16:42,628 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 13:16:42,637 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
[2020-10-16 13:16:42,656 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
[2020-10-16 13:16:42,686 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 13:16:42,686 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 13:16:42,686 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 13:16:42,687 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 13:16:42,697 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
[2020-10-16 13:16:42,697 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
[2020-10-16 13:16:42,701 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
[2020-10-16 13:16:42,702 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
[2020-10-16 13:16:42,712 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
[2020-10-16 13:16:42,716 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
[2020-10-16 13:16:42,721 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
[2020-10-16 13:16:42,726 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 13:16:42,727 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 13:16:42,727 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 13:16:42,727 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-16 13:16:42,728 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 13:16:42,789 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 13:16:42,789 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 13:16:42,790 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 13:16:42,790 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 13:16:42,790 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 13:16:42,790 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 13:16:42,790 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 13:16:42,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 13:16:42,791 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 13:16:42,791 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 13:16:42,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 13:16:42,793 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-10-16 13:16:44,688 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 13:16:44,689 INFO  L298             CfgBuilder]: Removed 10 assume(true) statements.
[2020-10-16 13:16:44,692 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:44 BoogieIcfgContainer
[2020-10-16 13:16:44,693 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 13:16:44,697 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 13:16:44,697 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 13:16:44,702 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-16 13:16:44,702 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:16:41" (1/3) ...
[2020-10-16 13:16:44,704 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166221f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:44, skipping insertion in model container
[2020-10-16 13:16:44,705 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:42" (2/3) ...
[2020-10-16 13:16:44,706 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166221f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:44, skipping insertion in model container
[2020-10-16 13:16:44,706 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:44" (3/3) ...
[2020-10-16 13:16:44,709 INFO  L111   eAbstractionObserver]: Analyzing ICFG mix048_rmo.oepc.i
[2020-10-16 13:16:44,723 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 13:16:44,724 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 13:16:44,734 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2020-10-16 13:16:44,736 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 13:16:44,791 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,791 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,792 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,793 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,794 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,794 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,795 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,795 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,795 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,796 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,796 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,796 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,796 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,797 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,797 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,798 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,798 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,800 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,800 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,800 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,801 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,801 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,801 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,802 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,802 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,802 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,802 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,802 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,803 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,803 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,803 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,803 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,803 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,803 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,804 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,804 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,804 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,805 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,805 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,805 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,806 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,807 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,807 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,808 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,808 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,808 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,808 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,808 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,808 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,809 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,809 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,809 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,810 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,810 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,810 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,810 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,811 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,811 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,811 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,813 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,813 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,814 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,814 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,814 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,814 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,815 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,815 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,816 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,824 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,825 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,825 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,826 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,826 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,826 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,826 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,826 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,827 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,827 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,827 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,827 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,830 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,830 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,831 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,831 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,831 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,832 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,832 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,832 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,833 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,833 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,833 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,834 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,835 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,835 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,836 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,836 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,836 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,837 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,837 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,837 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,837 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,838 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,839 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,841 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,841 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,842 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,842 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,848 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,848 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,848 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,849 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,849 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,849 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 13:16:44,855 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 13:16:44,874 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-16 13:16:44,897 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-16 13:16:44,897 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-16 13:16:44,897 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 13:16:44,898 INFO  L380      AbstractCegarLoop]: Backedges is MCR
[2020-10-16 13:16:44,898 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 13:16:44,898 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-16 13:16:44,898 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 13:16:44,898 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 13:16:44,914 INFO  L137   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 13:16:44,915 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 76 transitions, 162 flow
[2020-10-16 13:16:44,917 INFO  L111        LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 76 transitions, 162 flow
[2020-10-16 13:16:44,919 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 81 places, 76 transitions, 162 flow
[2020-10-16 13:16:44,972 INFO  L129       PetriNetUnfolder]: 2/74 cut-off events.
[2020-10-16 13:16:44,972 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 13:16:44,978 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 81 conditions, 74 events. 2/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. 
[2020-10-16 13:16:44,982 INFO  L117        LiptonReduction]: Number of co-enabled transitions 896
[2020-10-16 13:16:45,441 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58
[2020-10-16 13:16:45,568 WARN  L193               SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 53
[2020-10-16 13:16:46,345 WARN  L193               SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58
[2020-10-16 13:16:47,162 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81
[2020-10-16 13:16:47,276 INFO  L132        LiptonReduction]: Checked pairs total: 2389
[2020-10-16 13:16:47,276 INFO  L134        LiptonReduction]: Total number of compositions: 66
[2020-10-16 13:16:47,284 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 19 transitions, 48 flow
[2020-10-16 13:16:47,301 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 164 states.
[2020-10-16 13:16:47,303 INFO  L276                IsEmpty]: Start isEmpty. Operand 164 states.
[2020-10-16 13:16:47,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2020-10-16 13:16:47,310 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:16:47,310 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1]
[2020-10-16 13:16:47,311 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:16:47,316 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:16:47,317 INFO  L82        PathProgramCache]: Analyzing trace with hash 898530, now seen corresponding path program 1 times
[2020-10-16 13:16:47,344 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:16:47,345 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578318895]
[2020-10-16 13:16:47,345 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:16:47,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:16:47,643 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:16:47,644 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578318895]
[2020-10-16 13:16:47,645 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:16:47,645 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 13:16:47,646 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [402947294]
[2020-10-16 13:16:47,647 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:16:47,650 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:16:47,663 INFO  L258    McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions.
[2020-10-16 13:16:47,663 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:16:47,667 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:16:47,668 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 13:16:47,668 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:16:47,680 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 13:16:47,681 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 13:16:47,683 INFO  L87              Difference]: Start difference. First operand 164 states. Second operand 3 states.
[2020-10-16 13:16:47,738 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:16:47,738 INFO  L93              Difference]: Finished difference Result 137 states and 320 transitions.
[2020-10-16 13:16:47,739 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 13:16:47,741 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 3
[2020-10-16 13:16:47,741 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:16:47,752 INFO  L225             Difference]: With dead ends: 137
[2020-10-16 13:16:47,753 INFO  L226             Difference]: Without dead ends: 112
[2020-10-16 13:16:47,755 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 13:16:47,774 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2020-10-16 13:16:47,798 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112.
[2020-10-16 13:16:47,800 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 112 states.
[2020-10-16 13:16:47,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 255 transitions.
[2020-10-16 13:16:47,804 INFO  L78                 Accepts]: Start accepts. Automaton has 112 states and 255 transitions. Word has length 3
[2020-10-16 13:16:47,805 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:16:47,805 INFO  L481      AbstractCegarLoop]: Abstraction has 112 states and 255 transitions.
[2020-10-16 13:16:47,805 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 13:16:47,805 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 255 transitions.
[2020-10-16 13:16:47,806 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2020-10-16 13:16:47,806 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:16:47,806 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:16:47,807 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 13:16:47,807 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:16:47,807 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:16:47,807 INFO  L82        PathProgramCache]: Analyzing trace with hash 926120016, now seen corresponding path program 1 times
[2020-10-16 13:16:47,811 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:16:47,812 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989917045]
[2020-10-16 13:16:47,812 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:16:47,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:16:47,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:16:47,914 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989917045]
[2020-10-16 13:16:47,915 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:16:47,915 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 13:16:47,915 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [730105791]
[2020-10-16 13:16:47,915 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:16:47,916 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:16:47,921 INFO  L258    McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions.
[2020-10-16 13:16:47,921 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:16:47,922 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:16:47,924 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 13:16:47,924 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:16:47,925 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 13:16:47,925 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 13:16:47,925 INFO  L87              Difference]: Start difference. First operand 112 states and 255 transitions. Second operand 4 states.
[2020-10-16 13:16:47,963 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:16:47,963 INFO  L93              Difference]: Finished difference Result 89 states and 167 transitions.
[2020-10-16 13:16:47,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 13:16:47,965 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 7
[2020-10-16 13:16:47,965 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:16:47,966 INFO  L225             Difference]: With dead ends: 89
[2020-10-16 13:16:47,966 INFO  L226             Difference]: Without dead ends: 64
[2020-10-16 13:16:47,967 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:16:47,967 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2020-10-16 13:16:47,972 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2020-10-16 13:16:47,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 64 states.
[2020-10-16 13:16:47,973 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 111 transitions.
[2020-10-16 13:16:47,973 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 111 transitions. Word has length 7
[2020-10-16 13:16:47,974 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:16:47,974 INFO  L481      AbstractCegarLoop]: Abstraction has 64 states and 111 transitions.
[2020-10-16 13:16:47,974 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 13:16:47,974 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 111 transitions.
[2020-10-16 13:16:47,975 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-10-16 13:16:47,975 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:16:47,975 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:16:47,975 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 13:16:47,975 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:16:47,976 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:16:47,976 INFO  L82        PathProgramCache]: Analyzing trace with hash 2082339681, now seen corresponding path program 1 times
[2020-10-16 13:16:47,977 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:16:47,977 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704101273]
[2020-10-16 13:16:47,978 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:16:48,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:16:48,217 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:16:48,218 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704101273]
[2020-10-16 13:16:48,218 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:16:48,218 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 13:16:48,219 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [628163434]
[2020-10-16 13:16:48,219 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:16:48,221 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:16:48,224 INFO  L258    McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions.
[2020-10-16 13:16:48,225 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:16:48,225 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:16:48,225 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 13:16:48,226 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:16:48,226 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 13:16:48,226 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:16:48,226 INFO  L87              Difference]: Start difference. First operand 64 states and 111 transitions. Second operand 5 states.
[2020-10-16 13:16:48,262 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:16:48,263 INFO  L93              Difference]: Finished difference Result 49 states and 79 transitions.
[2020-10-16 13:16:48,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 13:16:48,264 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2020-10-16 13:16:48,264 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:16:48,265 INFO  L225             Difference]: With dead ends: 49
[2020-10-16 13:16:48,265 INFO  L226             Difference]: Without dead ends: 40
[2020-10-16 13:16:48,266 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-10-16 13:16:48,267 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2020-10-16 13:16:48,270 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2020-10-16 13:16:48,270 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 40 states.
[2020-10-16 13:16:48,271 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions.
[2020-10-16 13:16:48,271 INFO  L78                 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 11
[2020-10-16 13:16:48,272 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:16:48,272 INFO  L481      AbstractCegarLoop]: Abstraction has 40 states and 63 transitions.
[2020-10-16 13:16:48,272 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 13:16:48,272 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions.
[2020-10-16 13:16:48,273 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-10-16 13:16:48,273 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:16:48,273 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:16:48,273 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 13:16:48,274 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:16:48,274 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:16:48,274 INFO  L82        PathProgramCache]: Analyzing trace with hash 692480776, now seen corresponding path program 1 times
[2020-10-16 13:16:48,275 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:16:48,276 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080419458]
[2020-10-16 13:16:48,276 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:16:48,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 13:16:48,348 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 13:16:48,348 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080419458]
[2020-10-16 13:16:48,348 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 13:16:48,349 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 13:16:48,349 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1860720043]
[2020-10-16 13:16:48,349 INFO  L200    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 13:16:48,354 INFO  L255    McrAutomatonBuilder]: Started intersection.
[2020-10-16 13:16:48,362 INFO  L258    McrAutomatonBuilder]: Finished intersection with 19 states and 21 transitions.
[2020-10-16 13:16:48,362 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 13:16:48,389 INFO  L313    McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 13:16:48,389 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 13:16:48,390 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 13:16:48,390 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 13:16:48,390 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 13:16:48,390 INFO  L87              Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 4 states.
[2020-10-16 13:16:48,418 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 13:16:48,419 INFO  L93              Difference]: Finished difference Result 54 states and 82 transitions.
[2020-10-16 13:16:48,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 13:16:48,419 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 15
[2020-10-16 13:16:48,419 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 13:16:48,420 INFO  L225             Difference]: With dead ends: 54
[2020-10-16 13:16:48,420 INFO  L226             Difference]: Without dead ends: 32
[2020-10-16 13:16:48,420 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 13:16:48,421 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2020-10-16 13:16:48,423 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2020-10-16 13:16:48,423 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 32 states.
[2020-10-16 13:16:48,424 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions.
[2020-10-16 13:16:48,424 INFO  L78                 Accepts]: Start accepts. Automaton has 32 states and 47 transitions. Word has length 15
[2020-10-16 13:16:48,424 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 13:16:48,425 INFO  L481      AbstractCegarLoop]: Abstraction has 32 states and 47 transitions.
[2020-10-16 13:16:48,425 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 13:16:48,425 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions.
[2020-10-16 13:16:48,425 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-10-16 13:16:48,426 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 13:16:48,426 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 13:16:48,426 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 13:16:48,426 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 13:16:48,427 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 13:16:48,427 INFO  L82        PathProgramCache]: Analyzing trace with hash -1534473656, now seen corresponding path program 2 times
[2020-10-16 13:16:48,430 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 13:16:48,431 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130821663]
[2020-10-16 13:16:48,431 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 13:16:48,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 13:16:48,499 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 13:16:48,611 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 13:16:48,612 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 13:16:48,645 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-10-16 13:16:48,645 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-10-16 13:16:48,645 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 13:16:48,646 WARN  L264   etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available.
[2020-10-16 13:16:48,659 WARN  L124   codingBacktranslator]: Skipped backtranslation of ATE [859] [859] L3-->L810: Formula: (let ((.cse7 (= (mod ~y$w_buff0_used~0_In750267062 256) 0)) (.cse6 (= (mod ~y$r_buff0_thd0~0_In750267062 256) 0)) (.cse9 (= (mod ~y$r_buff1_thd0~0_In750267062 256) 0)) (.cse8 (= (mod ~y$w_buff1_used~0_In750267062 256) 0))) (let ((.cse3 (not .cse8)) (.cse4 (not .cse9)) (.cse2 (or .cse8 .cse9)) (.cse5 (or .cse7 .cse6)) (.cse0 (not .cse7)) (.cse1 (not .cse6))) (and (or (and (= ~y$w_buff0~0_In750267062 ~y~0_Out750267062) .cse0 .cse1) (and (or (and (= ~y~0_Out750267062 ~y~0_In750267062) .cse2) (and .cse3 (= ~y~0_Out750267062 ~y$w_buff1~0_In750267062) .cse4)) .cse5)) (= ~y$r_buff1_thd0~0_Out750267062 ~y$r_buff1_thd0~0_In750267062) (= ~y$r_buff0_thd0~0_Out750267062 ~y$r_buff0_thd0~0_In750267062) (or (and .cse3 (= ~y$w_buff1_used~0_Out750267062 0) .cse4) (and (= ~y$w_buff1_used~0_In750267062 ~y$w_buff1_used~0_Out750267062) .cse2)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In750267062 0)) (or (and .cse5 (= ~y$w_buff0_used~0_In750267062 ~y$w_buff0_used~0_Out750267062)) (and (= ~y$w_buff0_used~0_Out750267062 0) .cse0 .cse1)))))  InVars {ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In750267062, ~y$w_buff0_used~0=~y$w_buff0_used~0_In750267062, ~y$w_buff1~0=~y$w_buff1~0_In750267062, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In750267062, ~y$w_buff0~0=~y$w_buff0~0_In750267062, ~y~0=~y~0_In750267062, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In750267062, ~y$w_buff1_used~0=~y$w_buff1_used~0_In750267062}  OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out750267062, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out750267062|, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out750267062|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out750267062|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out750267062|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out750267062|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out750267062|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In750267062, ~y$w_buff1~0=~y$w_buff1~0_In750267062, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out750267062, ~y$w_buff0~0=~y$w_buff0~0_In750267062, ~y~0=~y~0_Out750267062, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out750267062, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out750267062}  AuxVars[]  AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite39, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite43, ~y~0, ULTIMATE.start_main_#t~ite42, ~y$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite44, ~y$w_buff1_used~0] because there is no mapped edge
[2020-10-16 13:16:48,664 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,664 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,665 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,665 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,666 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,666 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,666 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,666 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,666 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,667 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,667 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,667 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,667 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,667 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,668 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,668 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,668 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,668 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,668 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,669 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,669 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,669 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,669 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,669 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,669 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,670 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,670 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,670 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,670 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,670 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,671 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,671 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,671 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,671 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,671 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,672 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,672 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,672 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,672 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,673 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,673 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,673 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,673 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,673 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,673 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 13:16:48,674 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 13:16:48,729 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:16:48 BasicIcfg
[2020-10-16 13:16:48,729 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 13:16:48,732 INFO  L168              Benchmark]: Toolchain (without parser) took 6849.45 ms. Allocated memory was 138.4 MB in the beginning and 298.8 MB in the end (delta: 160.4 MB). Free memory was 99.9 MB in the beginning and 244.7 MB in the end (delta: -144.8 MB). Peak memory consumption was 181.2 MB. Max. memory is 7.1 GB.
[2020-10-16 13:16:48,733 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-10-16 13:16:48,734 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 743.44 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 99.7 MB in the beginning and 156.5 MB in the end (delta: -56.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
[2020-10-16 13:16:48,736 INFO  L168              Benchmark]: Boogie Procedure Inliner took 58.72 ms. Allocated memory is still 201.9 MB. Free memory was 156.5 MB in the beginning and 153.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
[2020-10-16 13:16:48,737 INFO  L168              Benchmark]: Boogie Preprocessor took 39.81 ms. Allocated memory is still 201.9 MB. Free memory was 153.8 MB in the beginning and 151.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-10-16 13:16:48,739 INFO  L168              Benchmark]: RCFGBuilder took 1966.52 ms. Allocated memory was 201.9 MB in the beginning and 251.1 MB in the end (delta: 49.3 MB). Free memory was 151.0 MB in the beginning and 209.5 MB in the end (delta: -58.5 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB.
[2020-10-16 13:16:48,740 INFO  L168              Benchmark]: TraceAbstraction took 4032.87 ms. Allocated memory was 251.1 MB in the beginning and 298.8 MB in the end (delta: 47.7 MB). Free memory was 209.5 MB in the beginning and 244.7 MB in the end (delta: -35.2 MB). Peak memory consumption was 178.1 MB. Max. memory is 7.1 GB.
[2020-10-16 13:16:48,747 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 743.44 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 99.7 MB in the beginning and 156.5 MB in the end (delta: -56.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 58.72 ms. Allocated memory is still 201.9 MB. Free memory was 156.5 MB in the beginning and 153.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 39.81 ms. Allocated memory is still 201.9 MB. Free memory was 153.8 MB in the beginning and 151.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1966.52 ms. Allocated memory was 201.9 MB in the beginning and 251.1 MB in the end (delta: 49.3 MB). Free memory was 151.0 MB in the beginning and 209.5 MB in the end (delta: -58.5 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 4032.87 ms. Allocated memory was 251.1 MB in the beginning and 298.8 MB in the end (delta: 47.7 MB). Free memory was 209.5 MB in the beginning and 244.7 MB in the end (delta: -35.2 MB). Peak memory consumption was 178.1 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    474 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 47 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.3s, 81 PlacesBefore, 26 PlacesAfterwards, 76 TransitionsBefore, 19 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 2389 MoverChecksTotal
  - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L697]               0  int __unbuffered_cnt = 0;
[L699]               0  int __unbuffered_p0_EAX = 0;
[L701]               0  int __unbuffered_p1_EAX = 0;
[L702]               0  _Bool main$tmp_guard0;
[L703]               0  _Bool main$tmp_guard1;
[L705]               0  int x = 0;
[L707]               0  int y = 0;
[L708]               0  _Bool y$flush_delayed;
[L709]               0  int y$mem_tmp;
[L710]               0  _Bool y$r_buff0_thd0;
[L711]               0  _Bool y$r_buff0_thd1;
[L712]               0  _Bool y$r_buff0_thd2;
[L713]               0  _Bool y$r_buff1_thd0;
[L714]               0  _Bool y$r_buff1_thd1;
[L715]               0  _Bool y$r_buff1_thd2;
[L716]               0  _Bool y$read_delayed;
[L717]               0  int *y$read_delayed_var;
[L718]               0  int y$w_buff0;
[L719]               0  _Bool y$w_buff0_used;
[L720]               0  int y$w_buff1;
[L721]               0  _Bool y$w_buff1_used;
[L722]               0  _Bool weak$$choice0;
[L723]               0  _Bool weak$$choice2;
[L796]               0  pthread_t t1289;
[L797]  FCALL, FORK  0  pthread_create(&t1289, ((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]
[L798]               0  pthread_t t1290;
[L799]  FCALL, FORK  0  pthread_create(&t1290, ((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]
[L727]               1  y$w_buff1 = y$w_buff0
[L728]               1  y$w_buff0 = 1
[L729]               1  y$w_buff1_used = y$w_buff0_used
[L730]               1  y$w_buff0_used = (_Bool)1
[L7]    COND TRUE    1  !expression
[L7]                 1  __VERIFIER_error()
[L732]               1  y$r_buff1_thd0 = y$r_buff0_thd0
[L733]               1  y$r_buff1_thd1 = y$r_buff0_thd1
[L734]               1  y$r_buff1_thd2 = y$r_buff0_thd2
[L735]               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]
[L738]               1  __unbuffered_p0_EAX = x
        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]
[L755]               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]
[L758]               2  weak$$choice0 = __VERIFIER_nondet_bool()
[L759]               2  weak$$choice2 = __VERIFIER_nondet_bool()
[L760]               2  y$flush_delayed = weak$$choice2
[L761]               2  y$mem_tmp = y
[L762]  EXPR         2  !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)
[L762]               2  y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)
[L763]  EXPR         2  weak$$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$w_buff0))
[L763]               2  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))
[L764]  EXPR         2  weak$$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$w_buff1))
[L764]  EXPR         2  !y$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)
[L764]  EXPR         2  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))
[L764]               2  y$w_buff1 = weak$$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))
[L765]  EXPR         2  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))
[L765]  EXPR         2  !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)
[L765]  EXPR         2  weak$$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))
[L765]               2  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))
[L766]  EXPR         2  weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L766]               2  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L767]  EXPR         2  weak$$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))
[L767]               2  y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))
[L768]  EXPR         2  weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L768]  EXPR         2  !y$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)
[L768]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0
[L768]  EXPR         2  !y$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)
[L768]  EXPR         2  weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L768]               2  y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L769]               2  __unbuffered_p1_EAX = y
[L770]  EXPR         2  y$flush_delayed ? y$mem_tmp : y
[L770]               2  y = y$flush_delayed ? y$mem_tmp : y
[L771]               2  y$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$$choice0=5, weak$$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]
[L774]  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)
[L774]               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)
[L775]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L775]               2  y$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$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L776]               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
[L777]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L777]               2  y$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$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
[L778]               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
[L781]               2  __unbuffered_cnt = __unbuffered_cnt + 1
[L783]               2  return 0;
[L741]  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)
[L741]               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)
[L742]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L742]               1  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L743]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used
[L743]               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
[L744]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L744]               1  y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L745]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1
[L745]               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
[L748]               1  __unbuffered_cnt = __unbuffered_cnt + 1
[L750]               1  return 0;
[L801]               0  main$tmp_guard0 = __unbuffered_cnt == 2
        VAL             [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$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$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0)
[L7]    COND TRUE    0  !expression
[L7]                 0  __VERIFIER_error()
        VAL             [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$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, 75 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 57 SDtfs, 78 SDslu, 62 SDs, 0 SdLazy, 34 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...